java -Xmx6000000000 -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data ./data --generate-csv --csv-dir ../../../releaseScripts/default/UAutomizer-linux/csv --cacsl2boogietranslator.bitprecise.bitfields false -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/cade18-smtinterpol/svcomp-DerefFreeMemtrack-32bit-Automizer_Camel.epf -i ../../../trunk/examples/svcomp/array-memsafety/cstrpbrk-alloca_true-valid-memsafety_true-termination.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-666feb3-m [2018-04-11 20:31:22,450 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-04-11 20:31:22,451 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-04-11 20:31:22,463 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2018-04-11 20:31:22,485 INFO L98 SettingsManager]: Beginning loading settings from /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/cade18-smtinterpol/svcomp-DerefFreeMemtrack-32bit-Automizer_Camel.epf [2018-04-11 20:31:22,508 INFO L110 SettingsManager]: Loading preferences was successful [2018-04-11 20:31:22,508 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-04-11 20:31:22,509 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-04-11 20:31:22,509 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-04-11 20:31:22,509 INFO L133 SettingsManager]: * Use SBE=true [2018-04-11 20:31:22,509 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-04-11 20:31:22,510 INFO L133 SettingsManager]: * sizeof long=4 [2018-04-11 20:31:22,510 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-04-11 20:31:22,510 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-04-11 20:31:22,510 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-04-11 20:31:22,510 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-04-11 20:31:22,510 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-04-11 20:31:22,510 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2018-04-11 20:31:22,511 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-04-11 20:31:22,511 INFO L133 SettingsManager]: * sizeof long double=12 [2018-04-11 20:31:22,511 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-04-11 20:31:22,511 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-04-11 20:31:22,511 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-04-11 20:31:22,511 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-04-11 20:31:22,512 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-04-11 20:31:22,512 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-04-11 20:31:22,512 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-04-11 20:31:22,512 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-04-11 20:31:22,512 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Bitprecise bitfields -> false [2018-04-11 20:31:22,542 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-04-11 20:31:22,552 INFO L266 ainManager$Toolchain]: [Toolchain 1]: Parser(s) successfully (re)initialized [2018-04-11 20:31:22,556 INFO L222 ainManager$Toolchain]: [Toolchain 1]: Toolchain data selected. [2018-04-11 20:31:22,557 INFO L271 PluginConnector]: Initializing CDTParser... [2018-04-11 20:31:22,557 INFO L276 PluginConnector]: CDTParser initialized [2018-04-11 20:31:22,558 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/array-memsafety/cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-11 20:31:22,855 INFO L225 CDTParser]: Created temporary CDT project at /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/data/FLAGfeef7ed2f [2018-04-11 20:31:23,002 INFO L287 CDTParser]: IsIndexed: true [2018-04-11 20:31:23,002 INFO L288 CDTParser]: Found 1 translation units. [2018-04-11 20:31:23,003 INFO L168 CDTParser]: Scanning cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-11 20:31:23,013 INFO L210 ultiparseSymbolTable]: Include resolver: [2018-04-11 20:31:23,013 INFO L215 ultiparseSymbolTable]: [2018-04-11 20:31:23,013 INFO L218 ultiparseSymbolTable]: Function table: [2018-04-11 20:31:23,013 INFO L221 ultiparseSymbolTable]: Function definition of __U_MULTI_fcstrpbrk_alloca_true_valid_memsafety_true_termination_i____bswap_32 ('__bswap_32') in cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-11 20:31:23,013 INFO L221 ultiparseSymbolTable]: Function definition of __U_MULTI_fcstrpbrk_alloca_true_valid_memsafety_true_termination_i____bswap_64 ('__bswap_64') in cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-11 20:31:23,013 INFO L221 ultiparseSymbolTable]: Function definition of null ('main') in cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-11 20:31:23,013 INFO L221 ultiparseSymbolTable]: Function definition of __U_MULTI_fcstrpbrk_alloca_true_valid_memsafety_true_termination_i__ ('') in cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-11 20:31:23,013 INFO L227 ultiparseSymbolTable]: Global variable table: [2018-04-11 20:31:23,013 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrpbrk_alloca_true_valid_memsafety_true_termination_i____fsblkcnt64_t in cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-11 20:31:23,013 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrpbrk_alloca_true_valid_memsafety_true_termination_i____fsword_t in cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-11 20:31:23,014 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrpbrk_alloca_true_valid_memsafety_true_termination_i____uint64_t in cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-11 20:31:23,014 INFO L230 ultiparseSymbolTable]: Global variable 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in cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-11 20:31:23,014 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrpbrk_alloca_true_valid_memsafety_true_termination_i__register_t in cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-11 20:31:23,014 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrpbrk_alloca_true_valid_memsafety_true_termination_i__timer_t in cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-11 20:31:23,014 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrpbrk_alloca_true_valid_memsafety_true_termination_i____nlink_t in cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-11 20:31:23,014 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrpbrk_alloca_true_valid_memsafety_true_termination_i____socklen_t in cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-11 20:31:23,014 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrpbrk_alloca_true_valid_memsafety_true_termination_i____sig_atomic_t in cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-11 20:31:23,014 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrpbrk_alloca_true_valid_memsafety_true_termination_i__fsfilcnt_t in cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-11 20:31:23,014 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrpbrk_alloca_true_valid_memsafety_true_termination_i__pid_t in cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-11 20:31:23,014 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrpbrk_alloca_true_valid_memsafety_true_termination_i__uint in cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-11 20:31:23,014 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrpbrk_alloca_true_valid_memsafety_true_termination_i__nlink_t in cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-11 20:31:23,014 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrpbrk_alloca_true_valid_memsafety_true_termination_i__int32_t in cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-11 20:31:23,014 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrpbrk_alloca_true_valid_memsafety_true_termination_i____blkcnt64_t in cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-11 20:31:23,014 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrpbrk_alloca_true_valid_memsafety_true_termination_i____intptr_t in cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-11 20:31:23,014 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrpbrk_alloca_true_valid_memsafety_true_termination_i__u_short in cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-11 20:31:23,015 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrpbrk_alloca_true_valid_memsafety_true_termination_i__dev_t in cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-11 20:31:23,015 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrpbrk_alloca_true_valid_memsafety_true_termination_i____uid_t in cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-11 20:31:23,015 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrpbrk_alloca_true_valid_memsafety_true_termination_i__gid_t in cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-11 20:31:23,015 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrpbrk_alloca_true_valid_memsafety_true_termination_i__id_t in cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-11 20:31:23,015 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrpbrk_alloca_true_valid_memsafety_true_termination_i____mode_t in cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-11 20:31:23,015 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrpbrk_alloca_true_valid_memsafety_true_termination_i____blkcnt_t in cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-11 20:31:23,015 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrpbrk_alloca_true_valid_memsafety_true_termination_i____u_short in cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-11 20:31:23,015 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrpbrk_alloca_true_valid_memsafety_true_termination_i__int64_t in cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-11 20:31:23,015 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrpbrk_alloca_true_valid_memsafety_true_termination_i____loff_t in cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-11 20:31:23,015 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrpbrk_alloca_true_valid_memsafety_true_termination_i__fsid_t in cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-11 20:31:23,015 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrpbrk_alloca_true_valid_memsafety_true_termination_i____clock_t in cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-11 20:31:23,015 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrpbrk_alloca_true_valid_memsafety_true_termination_i__pthread_mutex_t in cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-11 20:31:23,015 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrpbrk_alloca_true_valid_memsafety_true_termination_i____u_int in cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-11 20:31:23,015 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrpbrk_alloca_true_valid_memsafety_true_termination_i__time_t in cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-11 20:31:23,015 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrpbrk_alloca_true_valid_memsafety_true_termination_i__mode_t in cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-11 20:31:23,015 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrpbrk_alloca_true_valid_memsafety_true_termination_i__suseconds_t in cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-11 20:31:23,015 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrpbrk_alloca_true_valid_memsafety_true_termination_i____syscall_slong_t in cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-11 20:31:23,015 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrpbrk_alloca_true_valid_memsafety_true_termination_i____uint16_t in cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-11 20:31:23,015 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrpbrk_alloca_true_valid_memsafety_true_termination_i____qaddr_t in cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-11 20:31:23,015 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrpbrk_alloca_true_valid_memsafety_true_termination_i__u_int64_t in cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-11 20:31:23,016 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrpbrk_alloca_true_valid_memsafety_true_termination_i____blksize_t in cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-11 20:31:23,016 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrpbrk_alloca_true_valid_memsafety_true_termination_i____fsfilcnt64_t in cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-11 20:31:23,016 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrpbrk_alloca_true_valid_memsafety_true_termination_i__int8_t in cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-11 20:31:23,016 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrpbrk_alloca_true_valid_memsafety_true_termination_i__loff_t in cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-11 20:31:23,016 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrpbrk_alloca_true_valid_memsafety_true_termination_i__daddr_t in cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-11 20:31:23,016 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrpbrk_alloca_true_valid_memsafety_true_termination_i____useconds_t in cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-11 20:31:23,016 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrpbrk_alloca_true_valid_memsafety_true_termination_i____int64_t in cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-11 20:31:23,016 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrpbrk_alloca_true_valid_memsafety_true_termination_i__pthread_condattr_t in cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-11 20:31:23,016 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrpbrk_alloca_true_valid_memsafety_true_termination_i__ino_t in cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-11 20:31:23,016 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrpbrk_alloca_true_valid_memsafety_true_termination_i__ldiv_t in cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-11 20:31:23,016 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrpbrk_alloca_true_valid_memsafety_true_termination_i____key_t in cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-11 20:31:23,016 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrpbrk_alloca_true_valid_memsafety_true_termination_i__ushort in cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-11 20:31:23,016 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrpbrk_alloca_true_valid_memsafety_true_termination_i____uint8_t in cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-11 20:31:23,016 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrpbrk_alloca_true_valid_memsafety_true_termination_i____WAIT_STATUS in cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-11 20:31:23,016 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrpbrk_alloca_true_valid_memsafety_true_termination_i__u_quad_t in cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-11 20:31:23,016 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrpbrk_alloca_true_valid_memsafety_true_termination_i____time_t in cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-11 20:31:23,016 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrpbrk_alloca_true_valid_memsafety_true_termination_i____daddr_t in cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-11 20:31:23,016 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrpbrk_alloca_true_valid_memsafety_true_termination_i____fsfilcnt_t in cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-11 20:31:23,016 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrpbrk_alloca_true_valid_memsafety_true_termination_i____rlim64_t in cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-11 20:31:23,017 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrpbrk_alloca_true_valid_memsafety_true_termination_i__sigset_t in cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-11 20:31:23,017 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrpbrk_alloca_true_valid_memsafety_true_termination_i__blkcnt_t in cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-11 20:31:23,017 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrpbrk_alloca_true_valid_memsafety_true_termination_i__u_int32_t in cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-11 20:31:23,017 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrpbrk_alloca_true_valid_memsafety_true_termination_i__ulong in cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-11 20:31:23,017 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrpbrk_alloca_true_valid_memsafety_true_termination_i____u_long in cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-11 20:31:23,017 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrpbrk_alloca_true_valid_memsafety_true_termination_i____caddr_t in cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-11 20:31:23,017 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrpbrk_alloca_true_valid_memsafety_true_termination_i__u_char in cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-11 20:31:23,017 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrpbrk_alloca_true_valid_memsafety_true_termination_i__pthread_key_t in cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-11 20:31:23,017 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrpbrk_alloca_true_valid_memsafety_true_termination_i__int16_t in cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-11 20:31:23,017 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrpbrk_alloca_true_valid_memsafety_true_termination_i____pthread_list_t in cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-11 20:31:23,017 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrpbrk_alloca_true_valid_memsafety_true_termination_i__pthread_barrierattr_t in cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-11 20:31:23,017 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrpbrk_alloca_true_valid_memsafety_true_termination_i____dev_t in cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-11 20:31:23,017 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrpbrk_alloca_true_valid_memsafety_true_termination_i____fsblkcnt_t in cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-11 20:31:23,018 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrpbrk_alloca_true_valid_memsafety_true_termination_i____off_t in cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-11 20:31:23,018 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrpbrk_alloca_true_valid_memsafety_true_termination_i__clock_t in cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-11 20:31:23,018 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrpbrk_alloca_true_valid_memsafety_true_termination_i__fd_set in cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-11 20:31:23,018 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrpbrk_alloca_true_valid_memsafety_true_termination_i____fsid_t in cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-11 20:31:23,018 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrpbrk_alloca_true_valid_memsafety_true_termination_i__blksize_t in cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-11 20:31:23,018 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrpbrk_alloca_true_valid_memsafety_true_termination_i__pthread_rwlock_t in cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-11 20:31:23,018 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrpbrk_alloca_true_valid_memsafety_true_termination_i__u_long in cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-11 20:31:23,018 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrpbrk_alloca_true_valid_memsafety_true_termination_i____uint32_t in cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-11 20:31:23,018 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrpbrk_alloca_true_valid_memsafety_true_termination_i__pthread_rwlockattr_t in cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-11 20:31:23,018 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrpbrk_alloca_true_valid_memsafety_true_termination_i____int16_t in cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-11 20:31:23,018 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrpbrk_alloca_true_valid_memsafety_true_termination_i____ino_t in cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-11 20:31:23,019 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrpbrk_alloca_true_valid_memsafety_true_termination_i____ino64_t in cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-11 20:31:23,019 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrpbrk_alloca_true_valid_memsafety_true_termination_i____sigset_t in cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-11 20:31:23,019 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrpbrk_alloca_true_valid_memsafety_true_termination_i__caddr_t in cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-11 20:31:23,019 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrpbrk_alloca_true_valid_memsafety_true_termination_i____rlim_t in cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-11 20:31:23,019 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrpbrk_alloca_true_valid_memsafety_true_termination_i__u_int in cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-11 20:31:23,019 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrpbrk_alloca_true_valid_memsafety_true_termination_i__pthread_cond_t in cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-11 20:31:23,019 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrpbrk_alloca_true_valid_memsafety_true_termination_i__u_int16_t in cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-11 20:31:23,019 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrpbrk_alloca_true_valid_memsafety_true_termination_i__quad_t in cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-11 20:31:23,019 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrpbrk_alloca_true_valid_memsafety_true_termination_i__pthread_spinlock_t in cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-11 20:31:23,019 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrpbrk_alloca_true_valid_memsafety_true_termination_i__fd_mask in cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-11 20:31:23,019 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrpbrk_alloca_true_valid_memsafety_true_termination_i____int32_t in cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-11 20:31:23,020 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrpbrk_alloca_true_valid_memsafety_true_termination_i__div_t in cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-11 20:31:23,020 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrpbrk_alloca_true_valid_memsafety_true_termination_i__size_t in cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-11 20:31:23,020 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrpbrk_alloca_true_valid_memsafety_true_termination_i__clockid_t in cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-11 20:31:23,020 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrpbrk_alloca_true_valid_memsafety_true_termination_i____clockid_t in cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-11 20:31:23,020 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrpbrk_alloca_true_valid_memsafety_true_termination_i__uid_t in cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-11 20:31:23,020 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrpbrk_alloca_true_valid_memsafety_true_termination_i____ssize_t in cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-11 20:31:23,020 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrpbrk_alloca_true_valid_memsafety_true_termination_i__key_t in cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-11 20:31:23,020 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrpbrk_alloca_true_valid_memsafety_true_termination_i__lldiv_t in cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-11 20:31:23,020 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrpbrk_alloca_true_valid_memsafety_true_termination_i__pthread_t in cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-11 20:31:23,020 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrpbrk_alloca_true_valid_memsafety_true_termination_i____quad_t in cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-11 20:31:23,020 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrpbrk_alloca_true_valid_memsafety_true_termination_i__wchar_t in cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-11 20:31:23,021 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrpbrk_alloca_true_valid_memsafety_true_termination_i____gid_t in cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-11 20:31:23,021 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrpbrk_alloca_true_valid_memsafety_true_termination_i____fd_mask in cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-11 20:31:23,021 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrpbrk_alloca_true_valid_memsafety_true_termination_i__u_int8_t in cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-11 20:31:23,021 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrpbrk_alloca_true_valid_memsafety_true_termination_i__pthread_barrier_t in cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-11 20:31:23,021 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrpbrk_alloca_true_valid_memsafety_true_termination_i____syscall_ulong_t in cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-11 20:31:23,021 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrpbrk_alloca_true_valid_memsafety_true_termination_i____u_quad_t in cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-11 20:31:23,021 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrpbrk_alloca_true_valid_memsafety_true_termination_i____id_t in cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-11 20:31:23,021 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrpbrk_alloca_true_valid_memsafety_true_termination_i__fsblkcnt_t in cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-11 20:31:23,021 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrpbrk_alloca_true_valid_memsafety_true_termination_i____timer_t in cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-11 20:31:23,021 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrpbrk_alloca_true_valid_memsafety_true_termination_i____u_char in cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-11 20:31:23,021 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrpbrk_alloca_true_valid_memsafety_true_termination_i____off64_t in cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-11 20:31:23,022 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrpbrk_alloca_true_valid_memsafety_true_termination_i____suseconds_t in cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-11 20:31:23,022 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrpbrk_alloca_true_valid_memsafety_true_termination_i__pthread_mutexattr_t in cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-11 20:31:23,022 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrpbrk_alloca_true_valid_memsafety_true_termination_i____pid_t in cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-11 20:31:23,065 INFO L330 CDTParser]: Deleted temporary CDT project at /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/data/FLAGfeef7ed2f [2018-04-11 20:31:23,068 INFO L304 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-04-11 20:31:23,069 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-04-11 20:31:23,070 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-04-11 20:31:23,070 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-04-11 20:31:23,074 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-04-11 20:31:23,075 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.04 08:31:23" (1/1) ... [2018-04-11 20:31:23,077 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4c8273c7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 08:31:23, skipping insertion in model container [2018-04-11 20:31:23,077 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.04 08:31:23" (1/1) ... [2018-04-11 20:31:23,089 INFO L167 Dispatcher]: Using SV-COMP mode [2018-04-11 20:31:23,110 INFO L167 Dispatcher]: Using SV-COMP mode [2018-04-11 20:31:23,227 INFO L175 PostProcessor]: Settings: Checked method=main [2018-04-11 20:31:23,265 INFO L175 PostProcessor]: Settings: Checked method=main [2018-04-11 20:31:23,270 INFO L100 SccComputation]: Graph consists of 0 InCaSumBalls and 112 non ball SCCs. Number of states in SCCs 112. [2018-04-11 20:31:23,297 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 08:31:23 WrapperNode [2018-04-11 20:31:23,297 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-04-11 20:31:23,298 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-04-11 20:31:23,298 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-04-11 20:31:23,298 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-04-11 20:31:23,307 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 08:31:23" (1/1) ... [2018-04-11 20:31:23,307 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 08:31:23" (1/1) ... [2018-04-11 20:31:23,318 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 08:31:23" (1/1) ... [2018-04-11 20:31:23,318 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 08:31:23" (1/1) ... [2018-04-11 20:31:23,325 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 08:31:23" (1/1) ... [2018-04-11 20:31:23,330 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 08:31:23" (1/1) ... [2018-04-11 20:31:23,332 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 08:31:23" (1/1) ... [2018-04-11 20:31:23,336 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-04-11 20:31:23,336 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-04-11 20:31:23,336 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-04-11 20:31:23,336 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-04-11 20:31:23,337 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 08:31:23" (1/1) ... No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-04-11 20:31:23,472 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-04-11 20:31:23,472 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-04-11 20:31:23,472 INFO L136 BoogieDeclarations]: Found implementation of procedure __U_MULTI_fcstrpbrk_alloca_true_valid_memsafety_true_termination_i____bswap_32 [2018-04-11 20:31:23,472 INFO L136 BoogieDeclarations]: Found implementation of procedure __U_MULTI_fcstrpbrk_alloca_true_valid_memsafety_true_termination_i____bswap_64 [2018-04-11 20:31:23,472 INFO L136 BoogieDeclarations]: Found implementation of procedure cstrpbrk [2018-04-11 20:31:23,472 INFO L136 BoogieDeclarations]: Found implementation of procedure main [2018-04-11 20:31:23,472 INFO L128 BoogieDeclarations]: Found specification of procedure __U_MULTI_fcstrpbrk_alloca_true_valid_memsafety_true_termination_i____bswap_32 [2018-04-11 20:31:23,472 INFO L128 BoogieDeclarations]: Found specification of procedure __U_MULTI_fcstrpbrk_alloca_true_valid_memsafety_true_termination_i____bswap_64 [2018-04-11 20:31:23,473 INFO L128 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2018-04-11 20:31:23,473 INFO L128 BoogieDeclarations]: Found specification of procedure atof [2018-04-11 20:31:23,473 INFO L128 BoogieDeclarations]: Found specification of procedure atoi [2018-04-11 20:31:23,473 INFO L128 BoogieDeclarations]: Found specification of procedure atol [2018-04-11 20:31:23,473 INFO L128 BoogieDeclarations]: Found specification of procedure atoll [2018-04-11 20:31:23,473 INFO L128 BoogieDeclarations]: Found specification of procedure strtod [2018-04-11 20:31:23,473 INFO L128 BoogieDeclarations]: Found specification of procedure strtof [2018-04-11 20:31:23,473 INFO L128 BoogieDeclarations]: Found specification of procedure strtold [2018-04-11 20:31:23,473 INFO L128 BoogieDeclarations]: Found specification of procedure strtol [2018-04-11 20:31:23,473 INFO L128 BoogieDeclarations]: Found specification of procedure strtoul [2018-04-11 20:31:23,473 INFO L128 BoogieDeclarations]: Found specification of procedure strtoq [2018-04-11 20:31:23,473 INFO L128 BoogieDeclarations]: Found specification of procedure strtouq [2018-04-11 20:31:23,473 INFO L128 BoogieDeclarations]: Found specification of procedure strtoll [2018-04-11 20:31:23,473 INFO L128 BoogieDeclarations]: Found specification of procedure strtoull [2018-04-11 20:31:23,473 INFO L128 BoogieDeclarations]: Found specification of procedure l64a [2018-04-11 20:31:23,473 INFO L128 BoogieDeclarations]: Found specification of procedure a64l [2018-04-11 20:31:23,473 INFO L128 BoogieDeclarations]: Found specification of procedure select [2018-04-11 20:31:23,474 INFO L128 BoogieDeclarations]: Found specification of procedure pselect [2018-04-11 20:31:23,474 INFO L128 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2018-04-11 20:31:23,474 INFO L128 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2018-04-11 20:31:23,474 INFO L128 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2018-04-11 20:31:23,474 INFO L128 BoogieDeclarations]: Found specification of procedure random [2018-04-11 20:31:23,474 INFO L128 BoogieDeclarations]: Found specification of procedure srandom [2018-04-11 20:31:23,474 INFO L128 BoogieDeclarations]: Found specification of procedure initstate [2018-04-11 20:31:23,474 INFO L128 BoogieDeclarations]: Found specification of procedure setstate [2018-04-11 20:31:23,474 INFO L128 BoogieDeclarations]: Found specification of procedure random_r [2018-04-11 20:31:23,474 INFO L128 BoogieDeclarations]: Found specification of procedure srandom_r [2018-04-11 20:31:23,474 INFO L128 BoogieDeclarations]: Found specification of procedure initstate_r [2018-04-11 20:31:23,474 INFO L128 BoogieDeclarations]: Found specification of procedure setstate_r [2018-04-11 20:31:23,474 INFO L128 BoogieDeclarations]: Found specification of procedure rand [2018-04-11 20:31:23,474 INFO L128 BoogieDeclarations]: Found specification of procedure srand [2018-04-11 20:31:23,474 INFO L128 BoogieDeclarations]: Found specification of procedure rand_r [2018-04-11 20:31:23,474 INFO L128 BoogieDeclarations]: Found specification of procedure drand48 [2018-04-11 20:31:23,475 INFO L128 BoogieDeclarations]: Found specification of procedure erand48 [2018-04-11 20:31:23,475 INFO L128 BoogieDeclarations]: Found specification of procedure lrand48 [2018-04-11 20:31:23,475 INFO L128 BoogieDeclarations]: Found specification of procedure nrand48 [2018-04-11 20:31:23,475 INFO L128 BoogieDeclarations]: Found specification of procedure mrand48 [2018-04-11 20:31:23,475 INFO L128 BoogieDeclarations]: Found specification of procedure jrand48 [2018-04-11 20:31:23,476 INFO L128 BoogieDeclarations]: Found specification of procedure srand48 [2018-04-11 20:31:23,476 INFO L128 BoogieDeclarations]: Found specification of procedure seed48 [2018-04-11 20:31:23,476 INFO L128 BoogieDeclarations]: Found specification of procedure lcong48 [2018-04-11 20:31:23,476 INFO L128 BoogieDeclarations]: Found specification of procedure drand48_r [2018-04-11 20:31:23,476 INFO L128 BoogieDeclarations]: Found specification of procedure erand48_r [2018-04-11 20:31:23,476 INFO L128 BoogieDeclarations]: Found specification of procedure lrand48_r [2018-04-11 20:31:23,476 INFO L128 BoogieDeclarations]: Found specification of procedure nrand48_r [2018-04-11 20:31:23,476 INFO L128 BoogieDeclarations]: Found specification of procedure mrand48_r [2018-04-11 20:31:23,476 INFO L128 BoogieDeclarations]: Found specification of procedure jrand48_r [2018-04-11 20:31:23,477 INFO L128 BoogieDeclarations]: Found specification of procedure srand48_r [2018-04-11 20:31:23,477 INFO L128 BoogieDeclarations]: Found specification of procedure seed48_r [2018-04-11 20:31:23,477 INFO L128 BoogieDeclarations]: Found specification of procedure lcong48_r [2018-04-11 20:31:23,477 INFO L128 BoogieDeclarations]: Found specification of procedure malloc [2018-04-11 20:31:23,477 INFO L128 BoogieDeclarations]: Found specification of procedure calloc [2018-04-11 20:31:23,477 INFO L128 BoogieDeclarations]: Found specification of procedure realloc [2018-04-11 20:31:23,477 INFO L128 BoogieDeclarations]: Found specification of procedure free [2018-04-11 20:31:23,477 INFO L128 BoogieDeclarations]: Found specification of procedure cfree [2018-04-11 20:31:23,477 INFO L128 BoogieDeclarations]: Found specification of procedure alloca [2018-04-11 20:31:23,478 INFO L128 BoogieDeclarations]: Found specification of procedure valloc [2018-04-11 20:31:23,478 INFO L128 BoogieDeclarations]: Found specification of procedure posix_memalign [2018-04-11 20:31:23,478 INFO L128 BoogieDeclarations]: Found specification of procedure abort [2018-04-11 20:31:23,478 INFO L128 BoogieDeclarations]: Found specification of procedure atexit [2018-04-11 20:31:23,478 INFO L128 BoogieDeclarations]: Found specification of procedure on_exit [2018-04-11 20:31:23,478 INFO L128 BoogieDeclarations]: Found specification of procedure exit [2018-04-11 20:31:23,478 INFO L128 BoogieDeclarations]: Found specification of procedure _Exit [2018-04-11 20:31:23,478 INFO L128 BoogieDeclarations]: Found specification of procedure getenv [2018-04-11 20:31:23,478 INFO L128 BoogieDeclarations]: Found specification of procedure putenv [2018-04-11 20:31:23,478 INFO L128 BoogieDeclarations]: Found specification of procedure setenv [2018-04-11 20:31:23,478 INFO L128 BoogieDeclarations]: Found specification of procedure unsetenv [2018-04-11 20:31:23,478 INFO L128 BoogieDeclarations]: Found specification of procedure clearenv [2018-04-11 20:31:23,478 INFO L128 BoogieDeclarations]: Found specification of procedure mktemp [2018-04-11 20:31:23,488 INFO L128 BoogieDeclarations]: Found specification of procedure mkstemp [2018-04-11 20:31:23,488 INFO L128 BoogieDeclarations]: Found specification of procedure mkstemps [2018-04-11 20:31:23,488 INFO L128 BoogieDeclarations]: Found specification of procedure mkdtemp [2018-04-11 20:31:23,488 INFO L128 BoogieDeclarations]: Found specification of procedure system [2018-04-11 20:31:23,488 INFO L128 BoogieDeclarations]: Found specification of procedure realpath [2018-04-11 20:31:23,488 INFO L128 BoogieDeclarations]: Found specification of procedure bsearch [2018-04-11 20:31:23,488 INFO L128 BoogieDeclarations]: Found specification of procedure qsort [2018-04-11 20:31:23,488 INFO L128 BoogieDeclarations]: Found specification of procedure abs [2018-04-11 20:31:23,488 INFO L128 BoogieDeclarations]: Found specification of procedure labs [2018-04-11 20:31:23,489 INFO L128 BoogieDeclarations]: Found specification of procedure llabs [2018-04-11 20:31:23,489 INFO L128 BoogieDeclarations]: Found specification of procedure div [2018-04-11 20:31:23,489 INFO L128 BoogieDeclarations]: Found specification of procedure ldiv [2018-04-11 20:31:23,489 INFO L128 BoogieDeclarations]: Found specification of procedure lldiv [2018-04-11 20:31:23,489 INFO L128 BoogieDeclarations]: Found specification of procedure ecvt [2018-04-11 20:31:23,489 INFO L128 BoogieDeclarations]: Found specification of procedure fcvt [2018-04-11 20:31:23,489 INFO L128 BoogieDeclarations]: Found specification of procedure gcvt [2018-04-11 20:31:23,489 INFO L128 BoogieDeclarations]: Found specification of procedure qecvt [2018-04-11 20:31:23,489 INFO L128 BoogieDeclarations]: Found specification of procedure qfcvt [2018-04-11 20:31:23,490 INFO L128 BoogieDeclarations]: Found specification of procedure qgcvt [2018-04-11 20:31:23,490 INFO L128 BoogieDeclarations]: Found specification of procedure ecvt_r [2018-04-11 20:31:23,490 INFO L128 BoogieDeclarations]: Found specification of procedure fcvt_r [2018-04-11 20:31:23,490 INFO L128 BoogieDeclarations]: Found specification of procedure qecvt_r [2018-04-11 20:31:23,490 INFO L128 BoogieDeclarations]: Found specification of procedure qfcvt_r [2018-04-11 20:31:23,490 INFO L128 BoogieDeclarations]: Found specification of procedure mblen [2018-04-11 20:31:23,490 INFO L128 BoogieDeclarations]: Found specification of procedure mbtowc [2018-04-11 20:31:23,490 INFO L128 BoogieDeclarations]: Found specification of procedure wctomb [2018-04-11 20:31:23,490 INFO L128 BoogieDeclarations]: Found specification of procedure mbstowcs [2018-04-11 20:31:23,491 INFO L128 BoogieDeclarations]: Found specification of procedure wcstombs [2018-04-11 20:31:23,491 INFO L128 BoogieDeclarations]: Found specification of procedure rpmatch [2018-04-11 20:31:23,491 INFO L128 BoogieDeclarations]: Found specification of procedure getsubopt [2018-04-11 20:31:23,491 INFO L128 BoogieDeclarations]: Found specification of procedure getloadavg [2018-04-11 20:31:23,491 INFO L128 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-04-11 20:31:23,491 INFO L128 BoogieDeclarations]: Found specification of procedure cstrpbrk [2018-04-11 20:31:23,491 INFO L128 BoogieDeclarations]: Found specification of procedure read~int [2018-04-11 20:31:23,491 INFO L128 BoogieDeclarations]: Found specification of procedure main [2018-04-11 20:31:23,491 INFO L128 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-04-11 20:31:23,491 INFO L128 BoogieDeclarations]: Found specification of procedure write~int [2018-04-11 20:31:23,492 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-04-11 20:31:23,492 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-04-11 20:31:23,492 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-04-11 20:31:23,492 INFO L128 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2018-04-11 20:31:23,796 INFO L259 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-04-11 20:31:23,796 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.04 08:31:23 BoogieIcfgContainer [2018-04-11 20:31:23,796 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-04-11 20:31:23,797 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-04-11 20:31:23,797 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-04-11 20:31:23,799 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-04-11 20:31:23,799 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.04 08:31:23" (1/3) ... [2018-04-11 20:31:23,799 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@50742020 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.04 08:31:23, skipping insertion in model container [2018-04-11 20:31:23,799 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 08:31:23" (2/3) ... [2018-04-11 20:31:23,799 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@50742020 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.04 08:31:23, skipping insertion in model container [2018-04-11 20:31:23,799 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.04 08:31:23" (3/3) ... [2018-04-11 20:31:23,801 INFO L107 eAbstractionObserver]: Analyzing ICFG cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-11 20:31:23,806 INFO L131 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-04-11 20:31:23,811 INFO L143 ceAbstractionStarter]: Appying trace abstraction to program that has 15 error locations. [2018-04-11 20:31:23,833 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2018-04-11 20:31:23,833 INFO L369 AbstractCegarLoop]: Interprodecural is true [2018-04-11 20:31:23,834 INFO L370 AbstractCegarLoop]: Hoare is false [2018-04-11 20:31:23,834 INFO L371 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-04-11 20:31:23,834 INFO L372 AbstractCegarLoop]: Backedges is TWOTRACK [2018-04-11 20:31:23,834 INFO L373 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-04-11 20:31:23,834 INFO L374 AbstractCegarLoop]: Difference is false [2018-04-11 20:31:23,834 INFO L375 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-04-11 20:31:23,834 INFO L380 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-04-11 20:31:23,835 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-04-11 20:31:23,842 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states. [2018-04-11 20:31:23,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-04-11 20:31:23,848 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 20:31:23,849 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 20:31:23,849 INFO L408 AbstractCegarLoop]: === Iteration 1 === [cstrpbrkErr3RequiresViolation, cstrpbrkErr1RequiresViolation, cstrpbrkErr9RequiresViolation, cstrpbrkErr7RequiresViolation, cstrpbrkErr2RequiresViolation, cstrpbrkErr8RequiresViolation, cstrpbrkErr4RequiresViolation, cstrpbrkErr0RequiresViolation, cstrpbrkErr6RequiresViolation, cstrpbrkErr5RequiresViolation, mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-11 20:31:23,852 INFO L82 PathProgramCache]: Analyzing trace with hash -1596208369, now seen corresponding path program 1 times [2018-04-11 20:31:23,853 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-11 20:31:23,853 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-11 20:31:23,885 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 20:31:23,885 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-11 20:31:23,885 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 20:31:23,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 20:31:23,919 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 20:31:23,972 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 20:31:23,973 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-11 20:31:23,973 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-04-11 20:31:23,974 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-04-11 20:31:23,982 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-04-11 20:31:23,983 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-04-11 20:31:23,985 INFO L87 Difference]: Start difference. First operand 58 states. Second operand 4 states. [2018-04-11 20:31:24,067 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 20:31:24,067 INFO L93 Difference]: Finished difference Result 57 states and 62 transitions. [2018-04-11 20:31:24,068 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-04-11 20:31:24,068 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 13 [2018-04-11 20:31:24,069 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 20:31:24,076 INFO L225 Difference]: With dead ends: 57 [2018-04-11 20:31:24,076 INFO L226 Difference]: Without dead ends: 54 [2018-04-11 20:31:24,077 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-04-11 20:31:24,087 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54 states. [2018-04-11 20:31:24,098 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54 to 54. [2018-04-11 20:31:24,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 54 states. [2018-04-11 20:31:24,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 59 transitions. [2018-04-11 20:31:24,101 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 59 transitions. Word has length 13 [2018-04-11 20:31:24,101 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 20:31:24,101 INFO L459 AbstractCegarLoop]: Abstraction has 54 states and 59 transitions. [2018-04-11 20:31:24,101 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-04-11 20:31:24,102 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 59 transitions. [2018-04-11 20:31:24,102 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-04-11 20:31:24,102 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 20:31:24,102 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 20:31:24,102 INFO L408 AbstractCegarLoop]: === Iteration 2 === [cstrpbrkErr3RequiresViolation, cstrpbrkErr1RequiresViolation, cstrpbrkErr9RequiresViolation, cstrpbrkErr7RequiresViolation, cstrpbrkErr2RequiresViolation, cstrpbrkErr8RequiresViolation, cstrpbrkErr4RequiresViolation, cstrpbrkErr0RequiresViolation, cstrpbrkErr6RequiresViolation, cstrpbrkErr5RequiresViolation, mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-11 20:31:24,102 INFO L82 PathProgramCache]: Analyzing trace with hash -1596208368, now seen corresponding path program 1 times [2018-04-11 20:31:24,102 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-11 20:31:24,103 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-11 20:31:24,103 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 20:31:24,103 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-11 20:31:24,103 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 20:31:24,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 20:31:24,119 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 20:31:24,197 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 20:31:24,197 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-11 20:31:24,197 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-04-11 20:31:24,198 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-04-11 20:31:24,199 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-04-11 20:31:24,199 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2018-04-11 20:31:24,199 INFO L87 Difference]: Start difference. First operand 54 states and 59 transitions. Second operand 6 states. [2018-04-11 20:31:24,247 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 20:31:24,247 INFO L93 Difference]: Finished difference Result 53 states and 58 transitions. [2018-04-11 20:31:24,248 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-04-11 20:31:24,248 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 13 [2018-04-11 20:31:24,248 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 20:31:24,248 INFO L225 Difference]: With dead ends: 53 [2018-04-11 20:31:24,249 INFO L226 Difference]: Without dead ends: 53 [2018-04-11 20:31:24,249 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=23, Unknown=0, NotChecked=0, Total=42 [2018-04-11 20:31:24,249 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2018-04-11 20:31:24,252 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 53. [2018-04-11 20:31:24,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 53 states. [2018-04-11 20:31:24,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 58 transitions. [2018-04-11 20:31:24,253 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 58 transitions. Word has length 13 [2018-04-11 20:31:24,253 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 20:31:24,254 INFO L459 AbstractCegarLoop]: Abstraction has 53 states and 58 transitions. [2018-04-11 20:31:24,254 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-04-11 20:31:24,254 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 58 transitions. [2018-04-11 20:31:24,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-04-11 20:31:24,254 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 20:31:24,254 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 20:31:24,254 INFO L408 AbstractCegarLoop]: === Iteration 3 === [cstrpbrkErr3RequiresViolation, cstrpbrkErr1RequiresViolation, cstrpbrkErr9RequiresViolation, cstrpbrkErr7RequiresViolation, cstrpbrkErr2RequiresViolation, cstrpbrkErr8RequiresViolation, cstrpbrkErr4RequiresViolation, cstrpbrkErr0RequiresViolation, cstrpbrkErr6RequiresViolation, cstrpbrkErr5RequiresViolation, mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-11 20:31:24,254 INFO L82 PathProgramCache]: Analyzing trace with hash 2057148167, now seen corresponding path program 1 times [2018-04-11 20:31:24,255 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-11 20:31:24,255 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-11 20:31:24,255 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 20:31:24,255 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-11 20:31:24,255 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 20:31:24,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 20:31:24,267 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 20:31:24,287 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 20:31:24,287 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-11 20:31:24,287 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-04-11 20:31:24,287 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-04-11 20:31:24,287 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-04-11 20:31:24,287 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-04-11 20:31:24,288 INFO L87 Difference]: Start difference. First operand 53 states and 58 transitions. Second operand 4 states. [2018-04-11 20:31:24,327 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 20:31:24,328 INFO L93 Difference]: Finished difference Result 52 states and 57 transitions. [2018-04-11 20:31:24,328 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-04-11 20:31:24,328 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 14 [2018-04-11 20:31:24,328 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 20:31:24,329 INFO L225 Difference]: With dead ends: 52 [2018-04-11 20:31:24,329 INFO L226 Difference]: Without dead ends: 52 [2018-04-11 20:31:24,329 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-04-11 20:31:24,329 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52 states. [2018-04-11 20:31:24,332 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 52. [2018-04-11 20:31:24,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 52 states. [2018-04-11 20:31:24,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 57 transitions. [2018-04-11 20:31:24,333 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 57 transitions. Word has length 14 [2018-04-11 20:31:24,333 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 20:31:24,333 INFO L459 AbstractCegarLoop]: Abstraction has 52 states and 57 transitions. [2018-04-11 20:31:24,333 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-04-11 20:31:24,333 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 57 transitions. [2018-04-11 20:31:24,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-04-11 20:31:24,334 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 20:31:24,334 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 20:31:24,334 INFO L408 AbstractCegarLoop]: === Iteration 4 === [cstrpbrkErr3RequiresViolation, cstrpbrkErr1RequiresViolation, cstrpbrkErr9RequiresViolation, cstrpbrkErr7RequiresViolation, cstrpbrkErr2RequiresViolation, cstrpbrkErr8RequiresViolation, cstrpbrkErr4RequiresViolation, cstrpbrkErr0RequiresViolation, cstrpbrkErr6RequiresViolation, cstrpbrkErr5RequiresViolation, mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-11 20:31:24,334 INFO L82 PathProgramCache]: Analyzing trace with hash 2057148168, now seen corresponding path program 1 times [2018-04-11 20:31:24,334 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-11 20:31:24,334 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-11 20:31:24,335 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 20:31:24,335 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-11 20:31:24,335 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 20:31:24,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 20:31:24,346 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 20:31:24,381 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 20:31:24,382 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-11 20:31:24,382 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-04-11 20:31:24,382 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-04-11 20:31:24,383 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-04-11 20:31:24,383 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-04-11 20:31:24,383 INFO L87 Difference]: Start difference. First operand 52 states and 57 transitions. Second operand 5 states. [2018-04-11 20:31:24,417 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 20:31:24,417 INFO L93 Difference]: Finished difference Result 51 states and 56 transitions. [2018-04-11 20:31:24,418 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-04-11 20:31:24,418 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 14 [2018-04-11 20:31:24,418 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 20:31:24,419 INFO L225 Difference]: With dead ends: 51 [2018-04-11 20:31:24,419 INFO L226 Difference]: Without dead ends: 51 [2018-04-11 20:31:24,419 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2018-04-11 20:31:24,419 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states. [2018-04-11 20:31:24,422 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 51. [2018-04-11 20:31:24,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 51 states. [2018-04-11 20:31:24,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 56 transitions. [2018-04-11 20:31:24,423 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 56 transitions. Word has length 14 [2018-04-11 20:31:24,423 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 20:31:24,423 INFO L459 AbstractCegarLoop]: Abstraction has 51 states and 56 transitions. [2018-04-11 20:31:24,423 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-04-11 20:31:24,423 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 56 transitions. [2018-04-11 20:31:24,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-04-11 20:31:24,424 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 20:31:24,424 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 20:31:24,424 INFO L408 AbstractCegarLoop]: === Iteration 5 === [cstrpbrkErr3RequiresViolation, cstrpbrkErr1RequiresViolation, cstrpbrkErr9RequiresViolation, cstrpbrkErr7RequiresViolation, cstrpbrkErr2RequiresViolation, cstrpbrkErr8RequiresViolation, cstrpbrkErr4RequiresViolation, cstrpbrkErr0RequiresViolation, cstrpbrkErr6RequiresViolation, cstrpbrkErr5RequiresViolation, mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-11 20:31:24,424 INFO L82 PathProgramCache]: Analyzing trace with hash 880492650, now seen corresponding path program 1 times [2018-04-11 20:31:24,424 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-11 20:31:24,424 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-11 20:31:24,425 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 20:31:24,425 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-11 20:31:24,425 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 20:31:24,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 20:31:24,435 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 20:31:24,459 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 20:31:24,459 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-11 20:31:24,460 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-04-11 20:31:24,460 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-04-11 20:31:24,460 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-04-11 20:31:24,460 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-04-11 20:31:24,460 INFO L87 Difference]: Start difference. First operand 51 states and 56 transitions. Second operand 5 states. [2018-04-11 20:31:24,522 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 20:31:24,522 INFO L93 Difference]: Finished difference Result 49 states and 54 transitions. [2018-04-11 20:31:24,522 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-04-11 20:31:24,522 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 18 [2018-04-11 20:31:24,522 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 20:31:24,523 INFO L225 Difference]: With dead ends: 49 [2018-04-11 20:31:24,523 INFO L226 Difference]: Without dead ends: 49 [2018-04-11 20:31:24,523 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-04-11 20:31:24,523 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2018-04-11 20:31:24,524 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 49. [2018-04-11 20:31:24,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 49 states. [2018-04-11 20:31:24,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 54 transitions. [2018-04-11 20:31:24,525 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 54 transitions. Word has length 18 [2018-04-11 20:31:24,525 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 20:31:24,525 INFO L459 AbstractCegarLoop]: Abstraction has 49 states and 54 transitions. [2018-04-11 20:31:24,525 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-04-11 20:31:24,525 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 54 transitions. [2018-04-11 20:31:24,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-04-11 20:31:24,526 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 20:31:24,526 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 20:31:24,526 INFO L408 AbstractCegarLoop]: === Iteration 6 === [cstrpbrkErr3RequiresViolation, cstrpbrkErr1RequiresViolation, cstrpbrkErr9RequiresViolation, cstrpbrkErr7RequiresViolation, cstrpbrkErr2RequiresViolation, cstrpbrkErr8RequiresViolation, cstrpbrkErr4RequiresViolation, cstrpbrkErr0RequiresViolation, cstrpbrkErr6RequiresViolation, cstrpbrkErr5RequiresViolation, mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-11 20:31:24,526 INFO L82 PathProgramCache]: Analyzing trace with hash 880492651, now seen corresponding path program 1 times [2018-04-11 20:31:24,526 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-11 20:31:24,526 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-11 20:31:24,527 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 20:31:24,527 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-11 20:31:24,527 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 20:31:24,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 20:31:24,536 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 20:31:24,608 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 20:31:24,608 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-11 20:31:24,608 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-04-11 20:31:24,608 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-04-11 20:31:24,608 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-04-11 20:31:24,608 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2018-04-11 20:31:24,608 INFO L87 Difference]: Start difference. First operand 49 states and 54 transitions. Second operand 8 states. [2018-04-11 20:31:24,700 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 20:31:24,700 INFO L93 Difference]: Finished difference Result 73 states and 82 transitions. [2018-04-11 20:31:24,700 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-04-11 20:31:24,700 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 18 [2018-04-11 20:31:24,700 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 20:31:24,702 INFO L225 Difference]: With dead ends: 73 [2018-04-11 20:31:24,702 INFO L226 Difference]: Without dead ends: 73 [2018-04-11 20:31:24,702 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=37, Invalid=95, Unknown=0, NotChecked=0, Total=132 [2018-04-11 20:31:24,702 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2018-04-11 20:31:24,703 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 53. [2018-04-11 20:31:24,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 53 states. [2018-04-11 20:31:24,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 59 transitions. [2018-04-11 20:31:24,704 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 59 transitions. Word has length 18 [2018-04-11 20:31:24,704 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 20:31:24,704 INFO L459 AbstractCegarLoop]: Abstraction has 53 states and 59 transitions. [2018-04-11 20:31:24,705 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-04-11 20:31:24,705 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 59 transitions. [2018-04-11 20:31:24,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-04-11 20:31:24,705 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 20:31:24,705 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 20:31:24,705 INFO L408 AbstractCegarLoop]: === Iteration 7 === [cstrpbrkErr3RequiresViolation, cstrpbrkErr1RequiresViolation, cstrpbrkErr9RequiresViolation, cstrpbrkErr7RequiresViolation, cstrpbrkErr2RequiresViolation, cstrpbrkErr8RequiresViolation, cstrpbrkErr4RequiresViolation, cstrpbrkErr0RequiresViolation, cstrpbrkErr6RequiresViolation, cstrpbrkErr5RequiresViolation, mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-11 20:31:24,705 INFO L82 PathProgramCache]: Analyzing trace with hash 1252202925, now seen corresponding path program 1 times [2018-04-11 20:31:24,705 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-11 20:31:24,705 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-11 20:31:24,706 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 20:31:24,706 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-11 20:31:24,706 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 20:31:24,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 20:31:24,717 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 20:31:24,739 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 20:31:24,739 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-11 20:31:24,739 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-04-11 20:31:24,740 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-04-11 20:31:24,740 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-04-11 20:31:24,740 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-04-11 20:31:24,740 INFO L87 Difference]: Start difference. First operand 53 states and 59 transitions. Second operand 6 states. [2018-04-11 20:31:24,792 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 20:31:24,792 INFO L93 Difference]: Finished difference Result 53 states and 59 transitions. [2018-04-11 20:31:24,792 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-04-11 20:31:24,793 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 23 [2018-04-11 20:31:24,793 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 20:31:24,793 INFO L225 Difference]: With dead ends: 53 [2018-04-11 20:31:24,793 INFO L226 Difference]: Without dead ends: 53 [2018-04-11 20:31:24,793 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-04-11 20:31:24,794 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2018-04-11 20:31:24,796 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 50. [2018-04-11 20:31:24,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 50 states. [2018-04-11 20:31:24,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 56 transitions. [2018-04-11 20:31:24,796 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 56 transitions. Word has length 23 [2018-04-11 20:31:24,797 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 20:31:24,797 INFO L459 AbstractCegarLoop]: Abstraction has 50 states and 56 transitions. [2018-04-11 20:31:24,797 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-04-11 20:31:24,797 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 56 transitions. [2018-04-11 20:31:24,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-04-11 20:31:24,797 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 20:31:24,797 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 20:31:24,797 INFO L408 AbstractCegarLoop]: === Iteration 8 === [cstrpbrkErr3RequiresViolation, cstrpbrkErr1RequiresViolation, cstrpbrkErr9RequiresViolation, cstrpbrkErr7RequiresViolation, cstrpbrkErr2RequiresViolation, cstrpbrkErr8RequiresViolation, cstrpbrkErr4RequiresViolation, cstrpbrkErr0RequiresViolation, cstrpbrkErr6RequiresViolation, cstrpbrkErr5RequiresViolation, mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-11 20:31:24,797 INFO L82 PathProgramCache]: Analyzing trace with hash 1252202926, now seen corresponding path program 1 times [2018-04-11 20:31:24,798 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-11 20:31:24,798 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-11 20:31:24,798 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 20:31:24,798 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-11 20:31:24,798 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 20:31:24,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 20:31:24,807 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 20:31:24,878 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 20:31:24,878 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-11 20:31:24,878 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-04-11 20:31:24,879 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-04-11 20:31:24,879 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-04-11 20:31:24,879 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2018-04-11 20:31:24,879 INFO L87 Difference]: Start difference. First operand 50 states and 56 transitions. Second operand 9 states. [2018-04-11 20:31:24,970 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 20:31:24,970 INFO L93 Difference]: Finished difference Result 67 states and 77 transitions. [2018-04-11 20:31:24,971 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-04-11 20:31:24,971 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 23 [2018-04-11 20:31:24,971 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 20:31:24,971 INFO L225 Difference]: With dead ends: 67 [2018-04-11 20:31:24,972 INFO L226 Difference]: Without dead ends: 67 [2018-04-11 20:31:24,972 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=98, Unknown=0, NotChecked=0, Total=132 [2018-04-11 20:31:24,972 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67 states. [2018-04-11 20:31:24,974 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67 to 58. [2018-04-11 20:31:24,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 58 states. [2018-04-11 20:31:24,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 58 states and 66 transitions. [2018-04-11 20:31:24,975 INFO L78 Accepts]: Start accepts. Automaton has 58 states and 66 transitions. Word has length 23 [2018-04-11 20:31:24,975 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 20:31:24,975 INFO L459 AbstractCegarLoop]: Abstraction has 58 states and 66 transitions. [2018-04-11 20:31:24,975 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-04-11 20:31:24,975 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 66 transitions. [2018-04-11 20:31:24,976 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-04-11 20:31:24,976 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 20:31:24,976 INFO L355 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 20:31:24,976 INFO L408 AbstractCegarLoop]: === Iteration 9 === [cstrpbrkErr3RequiresViolation, cstrpbrkErr1RequiresViolation, cstrpbrkErr9RequiresViolation, cstrpbrkErr7RequiresViolation, cstrpbrkErr2RequiresViolation, cstrpbrkErr8RequiresViolation, cstrpbrkErr4RequiresViolation, cstrpbrkErr0RequiresViolation, cstrpbrkErr6RequiresViolation, cstrpbrkErr5RequiresViolation, mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-11 20:31:24,976 INFO L82 PathProgramCache]: Analyzing trace with hash -1282364997, now seen corresponding path program 1 times [2018-04-11 20:31:24,976 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-11 20:31:24,976 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-11 20:31:24,977 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 20:31:24,977 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-11 20:31:24,977 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 20:31:24,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 20:31:24,988 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 20:31:25,001 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 20:31:25,001 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-11 20:31:25,001 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-04-11 20:31:25,002 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-04-11 20:31:25,002 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-04-11 20:31:25,002 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-04-11 20:31:25,002 INFO L87 Difference]: Start difference. First operand 58 states and 66 transitions. Second operand 3 states. [2018-04-11 20:31:25,007 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 20:31:25,007 INFO L93 Difference]: Finished difference Result 60 states and 68 transitions. [2018-04-11 20:31:25,008 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-04-11 20:31:25,008 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 28 [2018-04-11 20:31:25,009 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 20:31:25,009 INFO L225 Difference]: With dead ends: 60 [2018-04-11 20:31:25,009 INFO L226 Difference]: Without dead ends: 60 [2018-04-11 20:31:25,009 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-04-11 20:31:25,010 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60 states. [2018-04-11 20:31:25,012 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60 to 60. [2018-04-11 20:31:25,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 60 states. [2018-04-11 20:31:25,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 68 transitions. [2018-04-11 20:31:25,013 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 68 transitions. Word has length 28 [2018-04-11 20:31:25,013 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 20:31:25,013 INFO L459 AbstractCegarLoop]: Abstraction has 60 states and 68 transitions. [2018-04-11 20:31:25,013 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-04-11 20:31:25,013 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 68 transitions. [2018-04-11 20:31:25,014 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-04-11 20:31:25,014 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 20:31:25,014 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 20:31:25,014 INFO L408 AbstractCegarLoop]: === Iteration 10 === [cstrpbrkErr3RequiresViolation, cstrpbrkErr1RequiresViolation, cstrpbrkErr9RequiresViolation, cstrpbrkErr7RequiresViolation, cstrpbrkErr2RequiresViolation, cstrpbrkErr8RequiresViolation, cstrpbrkErr4RequiresViolation, cstrpbrkErr0RequiresViolation, cstrpbrkErr6RequiresViolation, cstrpbrkErr5RequiresViolation, mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-11 20:31:25,014 INFO L82 PathProgramCache]: Analyzing trace with hash 1110592865, now seen corresponding path program 1 times [2018-04-11 20:31:25,014 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-11 20:31:25,014 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-11 20:31:25,015 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 20:31:25,015 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-11 20:31:25,015 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 20:31:25,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 20:31:25,026 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 20:31:25,085 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 20:31:25,086 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-11 20:31:25,086 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-04-11 20:31:25,086 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-04-11 20:31:25,086 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-04-11 20:31:25,086 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-04-11 20:31:25,087 INFO L87 Difference]: Start difference. First operand 60 states and 68 transitions. Second operand 6 states. [2018-04-11 20:31:25,199 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 20:31:25,199 INFO L93 Difference]: Finished difference Result 59 states and 67 transitions. [2018-04-11 20:31:25,199 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-04-11 20:31:25,199 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 28 [2018-04-11 20:31:25,199 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 20:31:25,200 INFO L225 Difference]: With dead ends: 59 [2018-04-11 20:31:25,200 INFO L226 Difference]: Without dead ends: 50 [2018-04-11 20:31:25,200 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2018-04-11 20:31:25,200 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50 states. [2018-04-11 20:31:25,202 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 50. [2018-04-11 20:31:25,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 50 states. [2018-04-11 20:31:25,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 56 transitions. [2018-04-11 20:31:25,203 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 56 transitions. Word has length 28 [2018-04-11 20:31:25,203 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 20:31:25,203 INFO L459 AbstractCegarLoop]: Abstraction has 50 states and 56 transitions. [2018-04-11 20:31:25,203 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-04-11 20:31:25,203 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 56 transitions. [2018-04-11 20:31:25,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-04-11 20:31:25,204 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 20:31:25,204 INFO L355 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 20:31:25,204 INFO L408 AbstractCegarLoop]: === Iteration 11 === [cstrpbrkErr3RequiresViolation, cstrpbrkErr1RequiresViolation, cstrpbrkErr9RequiresViolation, cstrpbrkErr7RequiresViolation, cstrpbrkErr2RequiresViolation, cstrpbrkErr8RequiresViolation, cstrpbrkErr4RequiresViolation, cstrpbrkErr0RequiresViolation, cstrpbrkErr6RequiresViolation, cstrpbrkErr5RequiresViolation, mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-11 20:31:25,204 INFO L82 PathProgramCache]: Analyzing trace with hash 121291838, now seen corresponding path program 1 times [2018-04-11 20:31:25,204 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-11 20:31:25,204 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-11 20:31:25,205 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 20:31:25,205 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-11 20:31:25,205 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 20:31:25,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 20:31:25,219 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 20:31:25,387 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-04-11 20:31:25,388 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-11 20:31:25,388 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2018-04-11 20:31:25,388 INFO L442 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-04-11 20:31:25,388 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-04-11 20:31:25,388 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2018-04-11 20:31:25,388 INFO L87 Difference]: Start difference. First operand 50 states and 56 transitions. Second operand 11 states. [2018-04-11 20:31:25,475 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 20:31:25,475 INFO L93 Difference]: Finished difference Result 62 states and 68 transitions. [2018-04-11 20:31:25,475 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-04-11 20:31:25,476 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 30 [2018-04-11 20:31:25,476 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 20:31:25,476 INFO L225 Difference]: With dead ends: 62 [2018-04-11 20:31:25,476 INFO L226 Difference]: Without dead ends: 50 [2018-04-11 20:31:25,476 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=66, Invalid=206, Unknown=0, NotChecked=0, Total=272 [2018-04-11 20:31:25,477 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50 states. [2018-04-11 20:31:25,478 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 50. [2018-04-11 20:31:25,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 50 states. [2018-04-11 20:31:25,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 55 transitions. [2018-04-11 20:31:25,479 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 55 transitions. Word has length 30 [2018-04-11 20:31:25,479 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 20:31:25,479 INFO L459 AbstractCegarLoop]: Abstraction has 50 states and 55 transitions. [2018-04-11 20:31:25,479 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-04-11 20:31:25,479 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 55 transitions. [2018-04-11 20:31:25,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-04-11 20:31:25,480 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 20:31:25,480 INFO L355 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 20:31:25,480 INFO L408 AbstractCegarLoop]: === Iteration 12 === [cstrpbrkErr3RequiresViolation, cstrpbrkErr1RequiresViolation, cstrpbrkErr9RequiresViolation, cstrpbrkErr7RequiresViolation, cstrpbrkErr2RequiresViolation, cstrpbrkErr8RequiresViolation, cstrpbrkErr4RequiresViolation, cstrpbrkErr0RequiresViolation, cstrpbrkErr6RequiresViolation, cstrpbrkErr5RequiresViolation, mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-11 20:31:25,480 INFO L82 PathProgramCache]: Analyzing trace with hash -12721668, now seen corresponding path program 1 times [2018-04-11 20:31:25,480 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-11 20:31:25,480 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-11 20:31:25,481 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 20:31:25,481 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-11 20:31:25,481 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 20:31:25,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 20:31:25,492 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 20:31:25,581 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 20:31:25,582 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-11 20:31:25,582 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2018-04-11 20:31:25,582 INFO L442 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-04-11 20:31:25,582 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-04-11 20:31:25,582 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2018-04-11 20:31:25,583 INFO L87 Difference]: Start difference. First operand 50 states and 55 transitions. Second operand 11 states. [2018-04-11 20:31:25,688 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 20:31:25,689 INFO L93 Difference]: Finished difference Result 77 states and 82 transitions. [2018-04-11 20:31:25,689 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-04-11 20:31:25,689 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 30 [2018-04-11 20:31:25,689 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 20:31:25,689 INFO L225 Difference]: With dead ends: 77 [2018-04-11 20:31:25,689 INFO L226 Difference]: Without dead ends: 77 [2018-04-11 20:31:25,690 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=62, Invalid=210, Unknown=0, NotChecked=0, Total=272 [2018-04-11 20:31:25,690 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77 states. [2018-04-11 20:31:25,692 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77 to 75. [2018-04-11 20:31:25,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 75 states. [2018-04-11 20:31:25,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 82 transitions. [2018-04-11 20:31:25,692 INFO L78 Accepts]: Start accepts. Automaton has 75 states and 82 transitions. Word has length 30 [2018-04-11 20:31:25,693 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 20:31:25,693 INFO L459 AbstractCegarLoop]: Abstraction has 75 states and 82 transitions. [2018-04-11 20:31:25,693 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-04-11 20:31:25,693 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 82 transitions. [2018-04-11 20:31:25,693 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-04-11 20:31:25,694 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 20:31:25,694 INFO L355 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 20:31:25,694 INFO L408 AbstractCegarLoop]: === Iteration 13 === [cstrpbrkErr3RequiresViolation, cstrpbrkErr1RequiresViolation, cstrpbrkErr9RequiresViolation, cstrpbrkErr7RequiresViolation, cstrpbrkErr2RequiresViolation, cstrpbrkErr8RequiresViolation, cstrpbrkErr4RequiresViolation, cstrpbrkErr0RequiresViolation, cstrpbrkErr6RequiresViolation, cstrpbrkErr5RequiresViolation, mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-11 20:31:25,694 INFO L82 PathProgramCache]: Analyzing trace with hash -1818160002, now seen corresponding path program 1 times [2018-04-11 20:31:25,694 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-11 20:31:25,694 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-11 20:31:25,695 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 20:31:25,695 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-11 20:31:25,695 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 20:31:25,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 20:31:25,706 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 20:31:25,859 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 20:31:25,859 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-04-11 20:31:25,859 INFO L213 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-04-11 20:31:25,869 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-11 20:31:25,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 20:31:25,894 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-11 20:31:25,928 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 11 [2018-04-11 20:31:25,930 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 10 [2018-04-11 20:31:25,930 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-11 20:31:25,931 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-11 20:31:25,935 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-11 20:31:25,935 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:25, output treesize:21 [2018-04-11 20:31:26,041 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 14 [2018-04-11 20:31:26,048 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 14 treesize of output 11 [2018-04-11 20:31:26,048 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 2 xjuncts. [2018-04-11 20:31:26,051 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-11 20:31:26,060 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2018-04-11 20:31:26,060 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:34, output treesize:33 [2018-04-11 20:31:26,168 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 20:31:26,186 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-11 20:31:26,186 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 10] total 19 [2018-04-11 20:31:26,186 INFO L442 AbstractCegarLoop]: Interpolant automaton has 20 states [2018-04-11 20:31:26,186 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2018-04-11 20:31:26,187 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=332, Unknown=0, NotChecked=0, Total=380 [2018-04-11 20:31:26,187 INFO L87 Difference]: Start difference. First operand 75 states and 82 transitions. Second operand 20 states. [2018-04-11 20:31:27,501 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 20:31:27,501 INFO L93 Difference]: Finished difference Result 103 states and 112 transitions. [2018-04-11 20:31:27,501 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-04-11 20:31:27,501 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 30 [2018-04-11 20:31:27,502 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 20:31:27,503 INFO L225 Difference]: With dead ends: 103 [2018-04-11 20:31:27,503 INFO L226 Difference]: Without dead ends: 103 [2018-04-11 20:31:27,503 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 109 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=150, Invalid=720, Unknown=0, NotChecked=0, Total=870 [2018-04-11 20:31:27,503 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 103 states. [2018-04-11 20:31:27,505 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 103 to 82. [2018-04-11 20:31:27,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 82 states. [2018-04-11 20:31:27,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 82 states and 91 transitions. [2018-04-11 20:31:27,506 INFO L78 Accepts]: Start accepts. Automaton has 82 states and 91 transitions. Word has length 30 [2018-04-11 20:31:27,506 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 20:31:27,506 INFO L459 AbstractCegarLoop]: Abstraction has 82 states and 91 transitions. [2018-04-11 20:31:27,506 INFO L460 AbstractCegarLoop]: Interpolant automaton has 20 states. [2018-04-11 20:31:27,506 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 91 transitions. [2018-04-11 20:31:27,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-04-11 20:31:27,507 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 20:31:27,507 INFO L355 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 20:31:27,507 INFO L408 AbstractCegarLoop]: === Iteration 14 === [cstrpbrkErr3RequiresViolation, cstrpbrkErr1RequiresViolation, cstrpbrkErr9RequiresViolation, cstrpbrkErr7RequiresViolation, cstrpbrkErr2RequiresViolation, cstrpbrkErr8RequiresViolation, cstrpbrkErr4RequiresViolation, cstrpbrkErr0RequiresViolation, cstrpbrkErr6RequiresViolation, cstrpbrkErr5RequiresViolation, mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-11 20:31:27,507 INFO L82 PathProgramCache]: Analyzing trace with hash 904755746, now seen corresponding path program 1 times [2018-04-11 20:31:27,507 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-11 20:31:27,507 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-11 20:31:27,508 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 20:31:27,508 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-11 20:31:27,508 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 20:31:27,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 20:31:27,516 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 20:31:27,589 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 20:31:27,589 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-11 20:31:27,589 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-04-11 20:31:27,589 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-04-11 20:31:27,589 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-04-11 20:31:27,590 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2018-04-11 20:31:27,590 INFO L87 Difference]: Start difference. First operand 82 states and 91 transitions. Second operand 10 states. [2018-04-11 20:31:27,723 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 20:31:27,724 INFO L93 Difference]: Finished difference Result 82 states and 87 transitions. [2018-04-11 20:31:27,724 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-04-11 20:31:27,724 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 31 [2018-04-11 20:31:27,724 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 20:31:27,724 INFO L225 Difference]: With dead ends: 82 [2018-04-11 20:31:27,724 INFO L226 Difference]: Without dead ends: 59 [2018-04-11 20:31:27,725 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=79, Invalid=263, Unknown=0, NotChecked=0, Total=342 [2018-04-11 20:31:27,725 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59 states. [2018-04-11 20:31:27,726 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59 to 57. [2018-04-11 20:31:27,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 57 states. [2018-04-11 20:31:27,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 61 transitions. [2018-04-11 20:31:27,727 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 61 transitions. Word has length 31 [2018-04-11 20:31:27,727 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 20:31:27,727 INFO L459 AbstractCegarLoop]: Abstraction has 57 states and 61 transitions. [2018-04-11 20:31:27,727 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-04-11 20:31:27,727 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 61 transitions. [2018-04-11 20:31:27,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-04-11 20:31:27,728 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 20:31:27,728 INFO L355 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 20:31:27,728 INFO L408 AbstractCegarLoop]: === Iteration 15 === [cstrpbrkErr3RequiresViolation, cstrpbrkErr1RequiresViolation, cstrpbrkErr9RequiresViolation, cstrpbrkErr7RequiresViolation, cstrpbrkErr2RequiresViolation, cstrpbrkErr8RequiresViolation, cstrpbrkErr4RequiresViolation, cstrpbrkErr0RequiresViolation, cstrpbrkErr6RequiresViolation, cstrpbrkErr5RequiresViolation, mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-11 20:31:27,728 INFO L82 PathProgramCache]: Analyzing trace with hash -1006314883, now seen corresponding path program 1 times [2018-04-11 20:31:27,728 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-11 20:31:27,728 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-11 20:31:27,729 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 20:31:27,729 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-11 20:31:27,729 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 20:31:27,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 20:31:27,740 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 20:31:27,948 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 20:31:27,948 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-04-11 20:31:27,948 INFO L213 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-04-11 20:31:27,954 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-11 20:31:27,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 20:31:27,969 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-11 20:31:27,973 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-04-11 20:31:27,973 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-11 20:31:27,975 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-11 20:31:27,975 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2018-04-11 20:31:27,995 INFO L700 Elim1Store]: detected not equals via solver [2018-04-11 20:31:27,995 INFO L700 Elim1Store]: detected not equals via solver [2018-04-11 20:31:27,996 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 4 [2018-04-11 20:31:27,996 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-11 20:31:27,999 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-11 20:31:27,999 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:14, output treesize:8 [2018-04-11 20:31:28,048 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 11 [2018-04-11 20:31:28,050 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 10 [2018-04-11 20:31:28,050 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-11 20:31:28,051 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-11 20:31:28,056 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-11 20:31:28,056 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:29, output treesize:25 [2018-04-11 20:31:28,077 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 26 [2018-04-11 20:31:28,079 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 10 [2018-04-11 20:31:28,079 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-11 20:31:28,083 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-11 20:31:28,089 INFO L267 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 1 dim-2 vars, End of recursive call: 4 dim-0 vars, and 1 xjuncts. [2018-04-11 20:31:28,089 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 5 variables, input treesize:39, output treesize:35 [2018-04-11 20:31:28,856 WARN L148 SmtUtils]: Spent 492ms on a formula simplification that was a NOOP. DAG size: 46 [2018-04-11 20:31:28,944 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 43 treesize of output 53 [2018-04-11 20:31:28,949 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 38 [2018-04-11 20:31:28,949 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-11 20:31:29,013 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 29 [2018-04-11 20:31:29,013 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-04-11 20:31:29,045 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 26 [2018-04-11 20:31:29,046 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-11 20:31:29,095 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 29 treesize of output 27 [2018-04-11 20:31:29,095 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 2 xjuncts. [2018-04-11 20:31:29,128 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 26 treesize of output 24 [2018-04-11 20:31:29,128 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 2 xjuncts. [2018-04-11 20:31:29,178 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 37 treesize of output 43 [2018-04-11 20:31:29,179 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 4 xjuncts. [2018-04-11 20:31:29,249 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 0 new quantified variables, introduced 3 case distinctions, treesize of input 33 treesize of output 49 [2018-04-11 20:31:29,250 INFO L267 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 4 xjuncts. [2018-04-11 20:31:29,315 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 26 [2018-04-11 20:31:29,315 INFO L267 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2018-04-11 20:31:29,321 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 27 [2018-04-11 20:31:29,321 INFO L267 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2018-04-11 20:31:29,322 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 23 [2018-04-11 20:31:29,323 INFO L267 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2018-04-11 20:31:29,364 INFO L267 ElimStorePlain]: Start of recursive call 2: 8 dim-1 vars, End of recursive call: and 7 xjuncts. [2018-04-11 20:31:29,405 INFO L267 ElimStorePlain]: Start of recursive call 1: 7 dim-0 vars, 1 dim-2 vars, End of recursive call: and 3 xjuncts. [2018-04-11 20:31:29,405 INFO L202 ElimStorePlain]: Needed 12 recursive calls to eliminate 8 variables, input treesize:63, output treesize:66 [2018-04-11 20:31:29,467 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 20:31:29,490 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-11 20:31:29,490 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 19] total 28 [2018-04-11 20:31:29,490 INFO L442 AbstractCegarLoop]: Interpolant automaton has 29 states [2018-04-11 20:31:29,490 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2018-04-11 20:31:29,490 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=82, Invalid=730, Unknown=0, NotChecked=0, Total=812 [2018-04-11 20:31:29,491 INFO L87 Difference]: Start difference. First operand 57 states and 61 transitions. Second operand 29 states. [2018-04-11 20:31:33,805 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 20:31:33,805 INFO L93 Difference]: Finished difference Result 124 states and 135 transitions. [2018-04-11 20:31:33,805 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2018-04-11 20:31:33,806 INFO L78 Accepts]: Start accepts. Automaton has 29 states. Word has length 33 [2018-04-11 20:31:33,806 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 20:31:33,806 INFO L225 Difference]: With dead ends: 124 [2018-04-11 20:31:33,806 INFO L226 Difference]: Without dead ends: 124 [2018-04-11 20:31:33,807 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 45 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 448 ImplicationChecksByTransitivity, 4.8s TimeCoverageRelationStatistics Valid=331, Invalid=1830, Unknown=1, NotChecked=0, Total=2162 [2018-04-11 20:31:33,807 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 124 states. [2018-04-11 20:31:33,808 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 124 to 87. [2018-04-11 20:31:33,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 87 states. [2018-04-11 20:31:33,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 87 states and 98 transitions. [2018-04-11 20:31:33,809 INFO L78 Accepts]: Start accepts. Automaton has 87 states and 98 transitions. Word has length 33 [2018-04-11 20:31:33,809 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 20:31:33,809 INFO L459 AbstractCegarLoop]: Abstraction has 87 states and 98 transitions. [2018-04-11 20:31:33,809 INFO L460 AbstractCegarLoop]: Interpolant automaton has 29 states. [2018-04-11 20:31:33,809 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 98 transitions. [2018-04-11 20:31:33,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-04-11 20:31:33,810 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 20:31:33,810 INFO L355 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 20:31:33,810 INFO L408 AbstractCegarLoop]: === Iteration 16 === [cstrpbrkErr3RequiresViolation, cstrpbrkErr1RequiresViolation, cstrpbrkErr9RequiresViolation, cstrpbrkErr7RequiresViolation, cstrpbrkErr2RequiresViolation, cstrpbrkErr8RequiresViolation, cstrpbrkErr4RequiresViolation, cstrpbrkErr0RequiresViolation, cstrpbrkErr6RequiresViolation, cstrpbrkErr5RequiresViolation, mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-11 20:31:33,810 INFO L82 PathProgramCache]: Analyzing trace with hash 1684275054, now seen corresponding path program 2 times [2018-04-11 20:31:33,810 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-11 20:31:33,810 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-11 20:31:33,811 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 20:31:33,811 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-11 20:31:33,811 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 20:31:33,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 20:31:33,820 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 20:31:34,074 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 20:31:34,075 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-04-11 20:31:34,075 INFO L213 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-04-11 20:31:34,080 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST1 [2018-04-11 20:31:34,094 INFO L242 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2018-04-11 20:31:34,094 INFO L243 tOrderPrioritization]: Conjunction of SSA is unsat [2018-04-11 20:31:34,103 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-11 20:31:34,105 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-04-11 20:31:34,106 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-11 20:31:34,108 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-11 20:31:34,108 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2018-04-11 20:31:34,145 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 13 [2018-04-11 20:31:34,147 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 12 [2018-04-11 20:31:34,147 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-11 20:31:34,149 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-11 20:31:34,152 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-11 20:31:34,152 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:23, output treesize:19 [2018-04-11 20:31:34,296 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 16 [2018-04-11 20:31:34,301 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 16 treesize of output 13 [2018-04-11 20:31:34,301 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 2 xjuncts. [2018-04-11 20:31:34,304 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-11 20:31:34,311 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 3 xjuncts. [2018-04-11 20:31:34,311 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:31, output treesize:33 [2018-04-11 20:31:34,419 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 2 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 20:31:34,437 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-11 20:31:34,437 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 13] total 23 [2018-04-11 20:31:34,437 INFO L442 AbstractCegarLoop]: Interpolant automaton has 24 states [2018-04-11 20:31:34,437 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2018-04-11 20:31:34,437 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=63, Invalid=489, Unknown=0, NotChecked=0, Total=552 [2018-04-11 20:31:34,437 INFO L87 Difference]: Start difference. First operand 87 states and 98 transitions. Second operand 24 states. [2018-04-11 20:31:35,290 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 20:31:35,290 INFO L93 Difference]: Finished difference Result 108 states and 115 transitions. [2018-04-11 20:31:35,291 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-04-11 20:31:35,291 INFO L78 Accepts]: Start accepts. Automaton has 24 states. Word has length 37 [2018-04-11 20:31:35,291 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 20:31:35,291 INFO L225 Difference]: With dead ends: 108 [2018-04-11 20:31:35,291 INFO L226 Difference]: Without dead ends: 106 [2018-04-11 20:31:35,292 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 26 SyntacticMatches, 1 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 156 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=219, Invalid=1113, Unknown=0, NotChecked=0, Total=1332 [2018-04-11 20:31:35,292 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 106 states. [2018-04-11 20:31:35,293 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 106 to 52. [2018-04-11 20:31:35,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 52 states. [2018-04-11 20:31:35,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 54 transitions. [2018-04-11 20:31:35,293 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 54 transitions. Word has length 37 [2018-04-11 20:31:35,293 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 20:31:35,293 INFO L459 AbstractCegarLoop]: Abstraction has 52 states and 54 transitions. [2018-04-11 20:31:35,293 INFO L460 AbstractCegarLoop]: Interpolant automaton has 24 states. [2018-04-11 20:31:35,293 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 54 transitions. [2018-04-11 20:31:35,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-04-11 20:31:35,295 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 20:31:35,295 INFO L355 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 20:31:35,295 INFO L408 AbstractCegarLoop]: === Iteration 17 === [cstrpbrkErr3RequiresViolation, cstrpbrkErr1RequiresViolation, cstrpbrkErr9RequiresViolation, cstrpbrkErr7RequiresViolation, cstrpbrkErr2RequiresViolation, cstrpbrkErr8RequiresViolation, cstrpbrkErr4RequiresViolation, cstrpbrkErr0RequiresViolation, cstrpbrkErr6RequiresViolation, cstrpbrkErr5RequiresViolation, mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-11 20:31:35,295 INFO L82 PathProgramCache]: Analyzing trace with hash 918606443, now seen corresponding path program 2 times [2018-04-11 20:31:35,295 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-11 20:31:35,295 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-11 20:31:35,296 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 20:31:35,296 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-04-11 20:31:35,296 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 20:31:35,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 20:31:35,314 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 20:31:35,629 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 19 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 20:31:35,629 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-04-11 20:31:35,629 INFO L213 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-04-11 20:31:35,634 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST1 [2018-04-11 20:31:35,653 INFO L242 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2018-04-11 20:31:35,653 INFO L243 tOrderPrioritization]: Conjunction of SSA is unsat [2018-04-11 20:31:35,656 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-11 20:31:35,658 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-04-11 20:31:35,658 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-11 20:31:35,664 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-04-11 20:31:35,664 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-11 20:31:35,670 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-11 20:31:35,670 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:16, output treesize:14 [2018-04-11 20:31:35,742 INFO L700 Elim1Store]: detected not equals via solver [2018-04-11 20:31:35,742 INFO L700 Elim1Store]: detected not equals via solver [2018-04-11 20:31:35,743 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 4 [2018-04-11 20:31:35,743 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-11 20:31:35,750 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 15 [2018-04-11 20:31:35,750 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-11 20:31:35,755 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-11 20:31:35,755 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:28, output treesize:21 [2018-04-11 20:31:35,789 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 13 [2018-04-11 20:31:35,791 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 12 [2018-04-11 20:31:35,791 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-11 20:31:35,793 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-11 20:31:35,799 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-11 20:31:35,799 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:35, output treesize:31 [2018-04-11 20:31:35,838 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 30 [2018-04-11 20:31:35,840 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 12 [2018-04-11 20:31:35,841 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-11 20:31:35,846 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-11 20:31:35,853 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-11 20:31:35,853 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:42, output treesize:38 [2018-04-11 20:31:36,280 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 40 [2018-04-11 20:31:36,285 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 16 treesize of output 13 [2018-04-11 20:31:36,285 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 2 xjuncts. [2018-04-11 20:31:36,292 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 13 [2018-04-11 20:31:36,293 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-04-11 20:31:36,297 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-11 20:31:36,309 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 2 xjuncts. [2018-04-11 20:31:36,309 INFO L202 ElimStorePlain]: Needed 4 recursive calls to eliminate 3 variables, input treesize:68, output treesize:81 [2018-04-11 20:31:36,456 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 3 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 20:31:36,475 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-11 20:31:36,475 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 21] total 32 [2018-04-11 20:31:36,475 INFO L442 AbstractCegarLoop]: Interpolant automaton has 33 states [2018-04-11 20:31:36,475 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2018-04-11 20:31:36,475 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=82, Invalid=974, Unknown=0, NotChecked=0, Total=1056 [2018-04-11 20:31:36,475 INFO L87 Difference]: Start difference. First operand 52 states and 54 transitions. Second operand 33 states. [2018-04-11 20:31:40,040 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 20:31:40,040 INFO L93 Difference]: Finished difference Result 123 states and 131 transitions. [2018-04-11 20:31:40,041 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2018-04-11 20:31:40,041 INFO L78 Accepts]: Start accepts. Automaton has 33 states. Word has length 48 [2018-04-11 20:31:40,041 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 20:31:40,041 INFO L225 Difference]: With dead ends: 123 [2018-04-11 20:31:40,041 INFO L226 Difference]: Without dead ends: 123 [2018-04-11 20:31:40,042 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 108 GetRequests, 30 SyntacticMatches, 1 SemanticMatches, 77 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1415 ImplicationChecksByTransitivity, 3.8s TimeCoverageRelationStatistics Valid=841, Invalid=5321, Unknown=0, NotChecked=0, Total=6162 [2018-04-11 20:31:40,042 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 123 states. [2018-04-11 20:31:40,043 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 123 to 71. [2018-04-11 20:31:40,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 71 states. [2018-04-11 20:31:40,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 75 transitions. [2018-04-11 20:31:40,044 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 75 transitions. Word has length 48 [2018-04-11 20:31:40,044 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 20:31:40,044 INFO L459 AbstractCegarLoop]: Abstraction has 71 states and 75 transitions. [2018-04-11 20:31:40,044 INFO L460 AbstractCegarLoop]: Interpolant automaton has 33 states. [2018-04-11 20:31:40,044 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 75 transitions. [2018-04-11 20:31:40,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2018-04-11 20:31:40,045 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 20:31:40,045 INFO L355 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 20:31:40,045 INFO L408 AbstractCegarLoop]: === Iteration 18 === [cstrpbrkErr3RequiresViolation, cstrpbrkErr1RequiresViolation, cstrpbrkErr9RequiresViolation, cstrpbrkErr7RequiresViolation, cstrpbrkErr2RequiresViolation, cstrpbrkErr8RequiresViolation, cstrpbrkErr4RequiresViolation, cstrpbrkErr0RequiresViolation, cstrpbrkErr6RequiresViolation, cstrpbrkErr5RequiresViolation, mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-11 20:31:40,046 INFO L82 PathProgramCache]: Analyzing trace with hash 852220749, now seen corresponding path program 1 times [2018-04-11 20:31:40,046 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-11 20:31:40,046 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-11 20:31:40,046 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 20:31:40,046 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-04-11 20:31:40,046 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 20:31:40,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 20:31:40,058 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 20:31:40,215 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 50 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2018-04-11 20:31:40,215 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-04-11 20:31:40,215 INFO L213 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-04-11 20:31:40,220 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-11 20:31:40,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 20:31:40,241 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-11 20:31:40,242 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-04-11 20:31:40,243 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-11 20:31:40,246 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-04-11 20:31:40,246 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-11 20:31:40,248 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-11 20:31:40,248 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:16, output treesize:14 [2018-04-11 20:31:40,269 INFO L700 Elim1Store]: detected not equals via solver [2018-04-11 20:31:40,270 INFO L700 Elim1Store]: detected not equals via solver [2018-04-11 20:31:40,270 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 4 [2018-04-11 20:31:40,270 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-11 20:31:40,275 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 15 [2018-04-11 20:31:40,275 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-11 20:31:40,278 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-11 20:31:40,278 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:25, output treesize:18 [2018-04-11 20:31:40,302 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 13 [2018-04-11 20:31:40,303 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 12 [2018-04-11 20:31:40,303 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-11 20:31:40,305 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-11 20:31:40,309 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-11 20:31:40,309 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:32, output treesize:28 [2018-04-11 20:31:40,329 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 30 [2018-04-11 20:31:40,330 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 12 [2018-04-11 20:31:40,331 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-11 20:31:40,334 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-11 20:31:40,338 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: 3 dim-0 vars, and 1 xjuncts. [2018-04-11 20:31:40,338 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:39, output treesize:35 [2018-04-11 20:31:43,920 WARN L148 SmtUtils]: Spent 2030ms on a formula simplification that was a NOOP. DAG size: 46 [2018-04-11 20:31:43,993 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 47 treesize of output 57 [2018-04-11 20:31:44,000 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 49 treesize of output 47 [2018-04-11 20:31:44,001 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 2 xjuncts. [2018-04-11 20:31:44,081 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 0 new quantified variables, introduced 3 case distinctions, treesize of input 37 treesize of output 57 [2018-04-11 20:31:44,082 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 4 xjuncts. [2018-04-11 20:31:44,148 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 26 [2018-04-11 20:31:44,148 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-11 20:31:44,149 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 32 [2018-04-11 20:31:44,150 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-04-11 20:31:44,218 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 41 treesize of output 49 [2018-04-11 20:31:44,218 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 4 xjuncts. [2018-04-11 20:31:44,307 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 41 treesize of output 39 [2018-04-11 20:31:44,307 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 2 xjuncts. [2018-04-11 20:31:44,390 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 31 [2018-04-11 20:31:44,390 INFO L267 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2018-04-11 20:31:44,391 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 25 [2018-04-11 20:31:44,392 INFO L267 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2018-04-11 20:31:44,393 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 30 [2018-04-11 20:31:44,393 INFO L267 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2018-04-11 20:31:44,471 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 16 [2018-04-11 20:31:44,472 INFO L267 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2018-04-11 20:31:44,473 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 22 [2018-04-11 20:31:44,473 INFO L267 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2018-04-11 20:31:44,546 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 21 [2018-04-11 20:31:44,547 INFO L267 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2018-04-11 20:31:44,555 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 27 [2018-04-11 20:31:44,555 INFO L267 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2018-04-11 20:31:44,600 INFO L267 ElimStorePlain]: Start of recursive call 2: 8 dim-1 vars, End of recursive call: and 7 xjuncts. [2018-04-11 20:31:44,644 INFO L267 ElimStorePlain]: Start of recursive call 1: 5 dim-0 vars, 1 dim-2 vars, End of recursive call: and 3 xjuncts. [2018-04-11 20:31:44,644 INFO L202 ElimStorePlain]: Needed 15 recursive calls to eliminate 6 variables, input treesize:67, output treesize:78 [2018-04-11 20:31:44,785 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 60 proven. 10 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-04-11 20:31:44,815 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-11 20:31:44,815 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 21] total 32 [2018-04-11 20:31:44,815 INFO L442 AbstractCegarLoop]: Interpolant automaton has 33 states [2018-04-11 20:31:44,815 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2018-04-11 20:31:44,816 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=140, Invalid=916, Unknown=0, NotChecked=0, Total=1056 [2018-04-11 20:31:44,816 INFO L87 Difference]: Start difference. First operand 71 states and 75 transitions. Second operand 33 states. [2018-04-11 20:31:48,057 WARN L151 SmtUtils]: Spent 2071ms on a formula simplification. DAG size of input: 44 DAG size of output 40 [2018-04-11 20:31:53,644 WARN L151 SmtUtils]: Spent 5014ms on a formula simplification. DAG size of input: 63 DAG size of output 56 [2018-04-11 20:31:58,567 WARN L151 SmtUtils]: Spent 4059ms on a formula simplification. DAG size of input: 65 DAG size of output 57 [2018-04-11 20:31:59,031 WARN L151 SmtUtils]: Spent 426ms on a formula simplification. DAG size of input: 65 DAG size of output 53 [2018-04-11 20:32:01,842 WARN L151 SmtUtils]: Spent 482ms on a formula simplification. DAG size of input: 65 DAG size of output 53 [2018-04-11 20:32:01,862 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 20:32:01,862 INFO L93 Difference]: Finished difference Result 98 states and 104 transitions. [2018-04-11 20:32:01,862 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2018-04-11 20:32:01,863 INFO L78 Accepts]: Start accepts. Automaton has 33 states. Word has length 70 [2018-04-11 20:32:01,863 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 20:32:01,863 INFO L225 Difference]: With dead ends: 98 [2018-04-11 20:32:01,863 INFO L226 Difference]: Without dead ends: 0 [2018-04-11 20:32:01,864 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 120 GetRequests, 55 SyntacticMatches, 1 SemanticMatches, 64 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 583 ImplicationChecksByTransitivity, 19.5s TimeCoverageRelationStatistics Valid=893, Invalid=3397, Unknown=0, NotChecked=0, Total=4290 [2018-04-11 20:32:01,864 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-04-11 20:32:01,864 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-04-11 20:32:01,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-04-11 20:32:01,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-04-11 20:32:01,864 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 70 [2018-04-11 20:32:01,864 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 20:32:01,864 INFO L459 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-04-11 20:32:01,864 INFO L460 AbstractCegarLoop]: Interpolant automaton has 33 states. [2018-04-11 20:32:01,864 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-04-11 20:32:01,865 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-04-11 20:32:01,867 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.04 08:32:01 BoogieIcfgContainer [2018-04-11 20:32:01,868 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-04-11 20:32:01,868 INFO L168 Benchmark]: Toolchain (without parser) took 38799.37 ms. Allocated memory was 315.1 MB in the beginning and 776.5 MB in the end (delta: 461.4 MB). Free memory was 259.7 MB in the beginning and 355.4 MB in the end (delta: -95.7 MB). Peak memory consumption was 365.6 MB. Max. memory is 5.3 GB. [2018-04-11 20:32:01,869 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 315.1 MB. Free memory is still 284.9 MB. There was no memory consumed. Max. memory is 5.3 GB. [2018-04-11 20:32:01,869 INFO L168 Benchmark]: CACSL2BoogieTranslator took 227.71 ms. Allocated memory is still 315.1 MB. Free memory was 257.7 MB in the beginning and 233.9 MB in the end (delta: 23.8 MB). Peak memory consumption was 23.8 MB. Max. memory is 5.3 GB. [2018-04-11 20:32:01,869 INFO L168 Benchmark]: Boogie Preprocessor took 37.97 ms. Allocated memory is still 315.1 MB. Free memory was 233.9 MB in the beginning and 232.6 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 5.3 GB. [2018-04-11 20:32:01,870 INFO L168 Benchmark]: RCFGBuilder took 459.98 ms. Allocated memory was 315.1 MB in the beginning and 384.8 MB in the end (delta: 69.7 MB). Free memory was 231.3 MB in the beginning and 318.8 MB in the end (delta: -87.5 MB). Peak memory consumption was 32.5 MB. Max. memory is 5.3 GB. [2018-04-11 20:32:01,870 INFO L168 Benchmark]: TraceAbstraction took 38071.05 ms. Allocated memory was 384.8 MB in the beginning and 776.5 MB in the end (delta: 391.6 MB). Free memory was 317.4 MB in the beginning and 355.4 MB in the end (delta: -38.0 MB). Peak memory consumption was 353.6 MB. Max. memory is 5.3 GB. [2018-04-11 20:32:01,871 INFO L344 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 315.1 MB. Free memory is still 284.9 MB. There was no memory consumed. Max. memory is 5.3 GB. * CACSL2BoogieTranslator took 227.71 ms. Allocated memory is still 315.1 MB. Free memory was 257.7 MB in the beginning and 233.9 MB in the end (delta: 23.8 MB). Peak memory consumption was 23.8 MB. Max. memory is 5.3 GB. * Boogie Preprocessor took 37.97 ms. Allocated memory is still 315.1 MB. Free memory was 233.9 MB in the beginning and 232.6 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 5.3 GB. * RCFGBuilder took 459.98 ms. Allocated memory was 315.1 MB in the beginning and 384.8 MB in the end (delta: 69.7 MB). Free memory was 231.3 MB in the beginning and 318.8 MB in the end (delta: -87.5 MB). Peak memory consumption was 32.5 MB. Max. memory is 5.3 GB. * TraceAbstraction took 38071.05 ms. Allocated memory was 384.8 MB in the beginning and 776.5 MB in the end (delta: 391.6 MB). Free memory was 317.4 MB in the beginning and 355.4 MB in the end (delta: -38.0 MB). Peak memory consumption was 353.6 MB. Max. memory is 5.3 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 547]: 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: 550]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 548]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 547]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 550]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 548]: 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: 548]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 548]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 567]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 566]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 567]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 555]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - PositiveResult [Line: 566]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - AllSpecificationsHoldResult: All specifications hold 15 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 6 procedures, 64 locations, 15 error locations. SAFE Result, 38.0s OverallTime, 18 OverallIterations, 4 TraceHistogramMax, 28.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 677 SDtfs, 2026 SDslu, 2875 SDs, 0 SdLazy, 3858 SolverSat, 392 SolverUnsat, 1 SolverUnknown, 0 SolverNotchecked, 3.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 527 GetRequests, 176 SyntacticMatches, 3 SemanticMatches, 348 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2845 ImplicationChecksByTransitivity, 30.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=87occurred in iteration=15, 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, 18 MinimizatonAttempts, 200 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 9.3s InterpolantComputationTime, 719 NumberOfCodeBlocks, 719 NumberOfCodeBlocksAsserted, 25 NumberOfCheckSat, 696 ConstructedInterpolants, 126 QuantifiedInterpolants, 484632 SizeOfPredicates, 72 NumberOfNonLiveVariables, 883 ConjunctsInSsa, 198 ConjunctsInUnsatCore, 23 InterpolantComputations, 13 PerfectInterpolantSequences, 97/220 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/cstrpbrk-alloca_true-valid-memsafety_true-termination.i_svcomp-DerefFreeMemtrack-32bit-Automizer_Camel.epf_AutomizerC.xml/Csv-Benchmark-0-2018-04-11_20-32-01-877.csv Written .csv to /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/cstrpbrk-alloca_true-valid-memsafety_true-termination.i_svcomp-DerefFreeMemtrack-32bit-Automizer_Camel.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-0-2018-04-11_20-32-01-877.csv Received shutdown request...