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 0.1.23-408c70d-m [2018-04-12 10:17:58,065 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-04-12 10:17:58,066 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-04-12 10:17:58,078 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-04-12 10:17:58,078 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-04-12 10:17:58,079 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-04-12 10:17:58,080 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-04-12 10:17:58,081 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-04-12 10:17:58,083 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-04-12 10:17:58,083 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-04-12 10:17:58,084 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-04-12 10:17:58,084 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-04-12 10:17:58,085 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-04-12 10:17:58,086 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-04-12 10:17:58,086 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-04-12 10:17:58,088 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-04-12 10:17:58,089 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-04-12 10:17:58,091 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-04-12 10:17:58,092 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-04-12 10:17:58,093 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-04-12 10:17:58,094 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2018-04-12 10:17:58,099 INFO L98 SettingsManager]: Beginning loading settings from /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/cade18-smtinterpol/svcomp-DerefFreeMemtrack-32bit-Automizer_Camel.epf [2018-04-12 10:17:58,108 INFO L110 SettingsManager]: Loading preferences was successful [2018-04-12 10:17:58,108 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-04-12 10:17:58,109 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-04-12 10:17:58,109 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-04-12 10:17:58,109 INFO L133 SettingsManager]: * Use SBE=true [2018-04-12 10:17:58,109 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-04-12 10:17:58,110 INFO L133 SettingsManager]: * sizeof long=4 [2018-04-12 10:17:58,110 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-04-12 10:17:58,110 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-04-12 10:17:58,110 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-04-12 10:17:58,110 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-04-12 10:17:58,110 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-04-12 10:17:58,111 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2018-04-12 10:17:58,111 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-04-12 10:17:58,111 INFO L133 SettingsManager]: * sizeof long double=12 [2018-04-12 10:17:58,111 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-04-12 10:17:58,111 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-04-12 10:17:58,111 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-04-12 10:17:58,111 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-04-12 10:17:58,111 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-04-12 10:17:58,111 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-04-12 10:17:58,111 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-04-12 10:17:58,112 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-04-12 10:17:58,112 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Bitprecise bitfields -> false [2018-04-12 10:17:58,138 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-04-12 10:17:58,145 INFO L266 ainManager$Toolchain]: [Toolchain 1]: Parser(s) successfully (re)initialized [2018-04-12 10:17:58,147 INFO L222 ainManager$Toolchain]: [Toolchain 1]: Toolchain data selected. [2018-04-12 10:17:58,148 INFO L271 PluginConnector]: Initializing CDTParser... [2018-04-12 10:17:58,148 INFO L276 PluginConnector]: CDTParser initialized [2018-04-12 10:17:58,149 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 [2018-04-12 10:17:58,422 INFO L225 CDTParser]: Created temporary CDT project at /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/data/FLAG96b166b77 [2018-04-12 10:17:58,551 INFO L287 CDTParser]: IsIndexed: true [2018-04-12 10:17:58,551 INFO L288 CDTParser]: Found 1 translation units. [2018-04-12 10:17:58,552 INFO L168 CDTParser]: Scanning cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:17:58,559 INFO L210 ultiparseSymbolTable]: Include resolver: [2018-04-12 10:17:58,559 INFO L215 ultiparseSymbolTable]: [2018-04-12 10:17:58,560 INFO L218 ultiparseSymbolTable]: Function table: [2018-04-12 10:17:58,560 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 [2018-04-12 10:17:58,560 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 [2018-04-12 10:17:58,560 INFO L221 ultiparseSymbolTable]: Function definition of null ('main') in cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:17:58,560 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 [2018-04-12 10:17:58,560 INFO L227 ultiparseSymbolTable]: Global variable table: [2018-04-12 10:17:58,560 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 [2018-04-12 10:17:58,560 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 [2018-04-12 10:17:58,560 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 [2018-04-12 10:17:58,560 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 [2018-04-12 10:17:58,561 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrpbrk_alloca_true_valid_memsafety_true_termination_i__pthread_once_t in cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:17:58,561 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrpbrk_alloca_true_valid_memsafety_true_termination_i__pthread_attr_t in cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:17:58,561 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 [2018-04-12 10:17:58,561 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 [2018-04-12 10:17:58,561 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 [2018-04-12 10:17:58,561 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 [2018-04-12 10:17:58,561 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 [2018-04-12 10:17:58,561 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 [2018-04-12 10:17:58,561 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 [2018-04-12 10:17:58,561 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 [2018-04-12 10:17:58,561 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 [2018-04-12 10:17:58,561 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 [2018-04-12 10:17:58,561 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 [2018-04-12 10:17:58,561 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 [2018-04-12 10:17:58,561 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 [2018-04-12 10:17:58,562 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 [2018-04-12 10:17:58,562 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 [2018-04-12 10:17:58,562 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 [2018-04-12 10:17:58,562 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 [2018-04-12 10:17:58,562 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 [2018-04-12 10:17:58,562 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 [2018-04-12 10:17:58,562 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 [2018-04-12 10:17:58,562 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 [2018-04-12 10:17:58,562 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 [2018-04-12 10:17:58,562 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 [2018-04-12 10:17:58,562 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 [2018-04-12 10:17:58,562 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 [2018-04-12 10:17:58,562 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 [2018-04-12 10:17:58,562 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 [2018-04-12 10:17:58,563 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 [2018-04-12 10:17:58,563 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 [2018-04-12 10:17:58,563 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 [2018-04-12 10:17:58,563 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 [2018-04-12 10:17:58,563 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 [2018-04-12 10:17:58,563 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 [2018-04-12 10:17:58,563 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 [2018-04-12 10:17:58,563 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 [2018-04-12 10:17:58,563 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 [2018-04-12 10:17:58,563 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 [2018-04-12 10:17:58,564 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 [2018-04-12 10:17:58,564 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 [2018-04-12 10:17:58,564 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 [2018-04-12 10:17:58,564 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 [2018-04-12 10:17:58,564 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 [2018-04-12 10:17:58,564 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 [2018-04-12 10:17:58,564 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 [2018-04-12 10:17:58,564 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 [2018-04-12 10:17:58,564 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 [2018-04-12 10:17:58,564 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 [2018-04-12 10:17:58,565 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 [2018-04-12 10:17:58,565 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 [2018-04-12 10:17:58,565 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 [2018-04-12 10:17:58,565 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 [2018-04-12 10:17:58,565 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 [2018-04-12 10:17:58,565 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 [2018-04-12 10:17:58,565 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 [2018-04-12 10:17:58,565 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 [2018-04-12 10:17:58,565 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 [2018-04-12 10:17:58,565 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 [2018-04-12 10:17:58,565 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 [2018-04-12 10:17:58,566 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 [2018-04-12 10:17:58,566 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 [2018-04-12 10:17:58,566 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 [2018-04-12 10:17:58,566 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 [2018-04-12 10:17:58,566 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 [2018-04-12 10:17:58,566 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 [2018-04-12 10:17:58,566 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 [2018-04-12 10:17:58,566 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 [2018-04-12 10:17:58,566 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 [2018-04-12 10:17:58,566 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 [2018-04-12 10:17:58,566 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 [2018-04-12 10:17:58,566 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 [2018-04-12 10:17:58,567 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 [2018-04-12 10:17:58,567 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 [2018-04-12 10:17:58,567 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 [2018-04-12 10:17:58,567 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 [2018-04-12 10:17:58,567 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 [2018-04-12 10:17:58,567 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 [2018-04-12 10:17:58,567 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 [2018-04-12 10:17:58,567 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 [2018-04-12 10:17:58,567 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 [2018-04-12 10:17:58,567 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 [2018-04-12 10:17:58,567 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 [2018-04-12 10:17:58,568 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 [2018-04-12 10:17:58,568 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 [2018-04-12 10:17:58,568 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 [2018-04-12 10:17:58,568 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 [2018-04-12 10:17:58,568 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 [2018-04-12 10:17:58,568 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 [2018-04-12 10:17:58,568 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 [2018-04-12 10:17:58,568 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 [2018-04-12 10:17:58,568 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 [2018-04-12 10:17:58,568 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 [2018-04-12 10:17:58,568 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 [2018-04-12 10:17:58,568 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 [2018-04-12 10:17:58,568 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 [2018-04-12 10:17:58,568 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 [2018-04-12 10:17:58,568 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 [2018-04-12 10:17:58,569 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 [2018-04-12 10:17:58,569 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 [2018-04-12 10:17:58,569 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 [2018-04-12 10:17:58,569 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 [2018-04-12 10:17:58,569 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 [2018-04-12 10:17:58,569 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 [2018-04-12 10:17:58,569 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 [2018-04-12 10:17:58,569 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 [2018-04-12 10:17:58,569 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 [2018-04-12 10:17:58,569 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 [2018-04-12 10:17:58,569 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 [2018-04-12 10:17:58,569 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 [2018-04-12 10:17:58,569 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 [2018-04-12 10:17:58,569 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 [2018-04-12 10:17:58,569 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 [2018-04-12 10:17:58,569 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 [2018-04-12 10:17:58,569 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 [2018-04-12 10:17:58,569 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 [2018-04-12 10:17:58,581 INFO L330 CDTParser]: Deleted temporary CDT project at /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/data/FLAG96b166b77 [2018-04-12 10:17:58,584 INFO L304 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-04-12 10:17:58,585 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-04-12 10:17:58,585 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-04-12 10:17:58,586 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-04-12 10:17:58,589 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-04-12 10:17:58,590 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.04 10:17:58" (1/1) ... [2018-04-12 10:17:58,591 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@69187220 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.04 10:17:58, skipping insertion in model container [2018-04-12 10:17:58,591 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.04 10:17:58" (1/1) ... [2018-04-12 10:17:58,606 INFO L167 Dispatcher]: Using SV-COMP mode [2018-04-12 10:17:58,627 INFO L167 Dispatcher]: Using SV-COMP mode [2018-04-12 10:17:58,748 INFO L175 PostProcessor]: Settings: Checked method=main [2018-04-12 10:17:58,780 INFO L175 PostProcessor]: Settings: Checked method=main [2018-04-12 10:17:58,786 INFO L100 SccComputation]: Graph consists of 0 InCaSumBalls and 112 non ball SCCs. Number of states in SCCs 112. [2018-04-12 10:17:58,819 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.04 10:17:58 WrapperNode [2018-04-12 10:17:58,819 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-04-12 10:17:58,820 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-04-12 10:17:58,820 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-04-12 10:17:58,820 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-04-12 10:17:58,831 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.04 10:17:58" (1/1) ... [2018-04-12 10:17:58,831 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.04 10:17:58" (1/1) ... [2018-04-12 10:17:58,842 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.04 10:17:58" (1/1) ... [2018-04-12 10:17:58,843 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.04 10:17:58" (1/1) ... [2018-04-12 10:17:58,850 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.04 10:17:58" (1/1) ... [2018-04-12 10:17:58,854 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.04 10:17:58" (1/1) ... [2018-04-12 10:17:58,856 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.04 10:17:58" (1/1) ... [2018-04-12 10:17:58,860 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-04-12 10:17:58,860 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-04-12 10:17:58,861 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-04-12 10:17:58,861 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-04-12 10:17:58,861 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.04 10:17:58" (1/1) ... No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-04-12 10:17:58,950 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-04-12 10:17:58,950 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-04-12 10:17:58,950 INFO L136 BoogieDeclarations]: Found implementation of procedure __U_MULTI_fcstrpbrk_alloca_true_valid_memsafety_true_termination_i____bswap_32 [2018-04-12 10:17:58,950 INFO L136 BoogieDeclarations]: Found implementation of procedure __U_MULTI_fcstrpbrk_alloca_true_valid_memsafety_true_termination_i____bswap_64 [2018-04-12 10:17:58,950 INFO L136 BoogieDeclarations]: Found implementation of procedure cstrpbrk [2018-04-12 10:17:58,950 INFO L136 BoogieDeclarations]: Found implementation of procedure main [2018-04-12 10:17:58,950 INFO L128 BoogieDeclarations]: Found specification of procedure __U_MULTI_fcstrpbrk_alloca_true_valid_memsafety_true_termination_i____bswap_32 [2018-04-12 10:17:58,950 INFO L128 BoogieDeclarations]: Found specification of procedure __U_MULTI_fcstrpbrk_alloca_true_valid_memsafety_true_termination_i____bswap_64 [2018-04-12 10:17:58,951 INFO L128 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2018-04-12 10:17:58,951 INFO L128 BoogieDeclarations]: Found specification of procedure atof [2018-04-12 10:17:58,951 INFO L128 BoogieDeclarations]: Found specification of procedure atoi [2018-04-12 10:17:58,951 INFO L128 BoogieDeclarations]: Found specification of procedure atol [2018-04-12 10:17:58,951 INFO L128 BoogieDeclarations]: Found specification of procedure atoll [2018-04-12 10:17:58,951 INFO L128 BoogieDeclarations]: Found specification of procedure strtod [2018-04-12 10:17:58,951 INFO L128 BoogieDeclarations]: Found specification of procedure strtof [2018-04-12 10:17:58,951 INFO L128 BoogieDeclarations]: Found specification of procedure strtold [2018-04-12 10:17:58,951 INFO L128 BoogieDeclarations]: Found specification of procedure strtol [2018-04-12 10:17:58,951 INFO L128 BoogieDeclarations]: Found specification of procedure strtoul [2018-04-12 10:17:58,951 INFO L128 BoogieDeclarations]: Found specification of procedure strtoq [2018-04-12 10:17:58,952 INFO L128 BoogieDeclarations]: Found specification of procedure strtouq [2018-04-12 10:17:58,952 INFO L128 BoogieDeclarations]: Found specification of procedure strtoll [2018-04-12 10:17:58,952 INFO L128 BoogieDeclarations]: Found specification of procedure strtoull [2018-04-12 10:17:58,952 INFO L128 BoogieDeclarations]: Found specification of procedure l64a [2018-04-12 10:17:58,952 INFO L128 BoogieDeclarations]: Found specification of procedure a64l [2018-04-12 10:17:58,952 INFO L128 BoogieDeclarations]: Found specification of procedure select [2018-04-12 10:17:58,952 INFO L128 BoogieDeclarations]: Found specification of procedure pselect [2018-04-12 10:17:58,952 INFO L128 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2018-04-12 10:17:58,952 INFO L128 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2018-04-12 10:17:58,952 INFO L128 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2018-04-12 10:17:58,952 INFO L128 BoogieDeclarations]: Found specification of procedure random [2018-04-12 10:17:58,953 INFO L128 BoogieDeclarations]: Found specification of procedure srandom [2018-04-12 10:17:58,953 INFO L128 BoogieDeclarations]: Found specification of procedure initstate [2018-04-12 10:17:58,953 INFO L128 BoogieDeclarations]: Found specification of procedure setstate [2018-04-12 10:17:58,953 INFO L128 BoogieDeclarations]: Found specification of procedure random_r [2018-04-12 10:17:58,953 INFO L128 BoogieDeclarations]: Found specification of procedure srandom_r [2018-04-12 10:17:58,953 INFO L128 BoogieDeclarations]: Found specification of procedure initstate_r [2018-04-12 10:17:58,953 INFO L128 BoogieDeclarations]: Found specification of procedure setstate_r [2018-04-12 10:17:58,953 INFO L128 BoogieDeclarations]: Found specification of procedure rand [2018-04-12 10:17:58,953 INFO L128 BoogieDeclarations]: Found specification of procedure srand [2018-04-12 10:17:58,953 INFO L128 BoogieDeclarations]: Found specification of procedure rand_r [2018-04-12 10:17:58,954 INFO L128 BoogieDeclarations]: Found specification of procedure drand48 [2018-04-12 10:17:58,954 INFO L128 BoogieDeclarations]: Found specification of procedure erand48 [2018-04-12 10:17:58,954 INFO L128 BoogieDeclarations]: Found specification of procedure lrand48 [2018-04-12 10:17:58,954 INFO L128 BoogieDeclarations]: Found specification of procedure nrand48 [2018-04-12 10:17:58,954 INFO L128 BoogieDeclarations]: Found specification of procedure mrand48 [2018-04-12 10:17:58,954 INFO L128 BoogieDeclarations]: Found specification of procedure jrand48 [2018-04-12 10:17:58,954 INFO L128 BoogieDeclarations]: Found specification of procedure srand48 [2018-04-12 10:17:58,954 INFO L128 BoogieDeclarations]: Found specification of procedure seed48 [2018-04-12 10:17:58,954 INFO L128 BoogieDeclarations]: Found specification of procedure lcong48 [2018-04-12 10:17:58,955 INFO L128 BoogieDeclarations]: Found specification of procedure drand48_r [2018-04-12 10:17:58,955 INFO L128 BoogieDeclarations]: Found specification of procedure erand48_r [2018-04-12 10:17:58,955 INFO L128 BoogieDeclarations]: Found specification of procedure lrand48_r [2018-04-12 10:17:58,955 INFO L128 BoogieDeclarations]: Found specification of procedure nrand48_r [2018-04-12 10:17:58,955 INFO L128 BoogieDeclarations]: Found specification of procedure mrand48_r [2018-04-12 10:17:58,955 INFO L128 BoogieDeclarations]: Found specification of procedure jrand48_r [2018-04-12 10:17:58,955 INFO L128 BoogieDeclarations]: Found specification of procedure srand48_r [2018-04-12 10:17:58,955 INFO L128 BoogieDeclarations]: Found specification of procedure seed48_r [2018-04-12 10:17:58,955 INFO L128 BoogieDeclarations]: Found specification of procedure lcong48_r [2018-04-12 10:17:58,955 INFO L128 BoogieDeclarations]: Found specification of procedure malloc [2018-04-12 10:17:58,955 INFO L128 BoogieDeclarations]: Found specification of procedure calloc [2018-04-12 10:17:58,956 INFO L128 BoogieDeclarations]: Found specification of procedure realloc [2018-04-12 10:17:58,956 INFO L128 BoogieDeclarations]: Found specification of procedure free [2018-04-12 10:17:58,956 INFO L128 BoogieDeclarations]: Found specification of procedure cfree [2018-04-12 10:17:58,956 INFO L128 BoogieDeclarations]: Found specification of procedure alloca [2018-04-12 10:17:58,956 INFO L128 BoogieDeclarations]: Found specification of procedure valloc [2018-04-12 10:17:58,956 INFO L128 BoogieDeclarations]: Found specification of procedure posix_memalign [2018-04-12 10:17:58,956 INFO L128 BoogieDeclarations]: Found specification of procedure abort [2018-04-12 10:17:58,956 INFO L128 BoogieDeclarations]: Found specification of procedure atexit [2018-04-12 10:17:58,956 INFO L128 BoogieDeclarations]: Found specification of procedure on_exit [2018-04-12 10:17:58,956 INFO L128 BoogieDeclarations]: Found specification of procedure exit [2018-04-12 10:17:58,956 INFO L128 BoogieDeclarations]: Found specification of procedure _Exit [2018-04-12 10:17:58,956 INFO L128 BoogieDeclarations]: Found specification of procedure getenv [2018-04-12 10:17:58,956 INFO L128 BoogieDeclarations]: Found specification of procedure putenv [2018-04-12 10:17:58,956 INFO L128 BoogieDeclarations]: Found specification of procedure setenv [2018-04-12 10:17:58,957 INFO L128 BoogieDeclarations]: Found specification of procedure unsetenv [2018-04-12 10:17:58,957 INFO L128 BoogieDeclarations]: Found specification of procedure clearenv [2018-04-12 10:17:58,957 INFO L128 BoogieDeclarations]: Found specification of procedure mktemp [2018-04-12 10:17:58,957 INFO L128 BoogieDeclarations]: Found specification of procedure mkstemp [2018-04-12 10:17:58,957 INFO L128 BoogieDeclarations]: Found specification of procedure mkstemps [2018-04-12 10:17:58,957 INFO L128 BoogieDeclarations]: Found specification of procedure mkdtemp [2018-04-12 10:17:58,957 INFO L128 BoogieDeclarations]: Found specification of procedure system [2018-04-12 10:17:58,957 INFO L128 BoogieDeclarations]: Found specification of procedure realpath [2018-04-12 10:17:58,957 INFO L128 BoogieDeclarations]: Found specification of procedure bsearch [2018-04-12 10:17:58,957 INFO L128 BoogieDeclarations]: Found specification of procedure qsort [2018-04-12 10:17:58,957 INFO L128 BoogieDeclarations]: Found specification of procedure abs [2018-04-12 10:17:58,957 INFO L128 BoogieDeclarations]: Found specification of procedure labs [2018-04-12 10:17:58,957 INFO L128 BoogieDeclarations]: Found specification of procedure llabs [2018-04-12 10:17:58,957 INFO L128 BoogieDeclarations]: Found specification of procedure div [2018-04-12 10:17:58,957 INFO L128 BoogieDeclarations]: Found specification of procedure ldiv [2018-04-12 10:17:58,957 INFO L128 BoogieDeclarations]: Found specification of procedure lldiv [2018-04-12 10:17:58,958 INFO L128 BoogieDeclarations]: Found specification of procedure ecvt [2018-04-12 10:17:58,958 INFO L128 BoogieDeclarations]: Found specification of procedure fcvt [2018-04-12 10:17:58,958 INFO L128 BoogieDeclarations]: Found specification of procedure gcvt [2018-04-12 10:17:58,958 INFO L128 BoogieDeclarations]: Found specification of procedure qecvt [2018-04-12 10:17:58,958 INFO L128 BoogieDeclarations]: Found specification of procedure qfcvt [2018-04-12 10:17:58,958 INFO L128 BoogieDeclarations]: Found specification of procedure qgcvt [2018-04-12 10:17:58,958 INFO L128 BoogieDeclarations]: Found specification of procedure ecvt_r [2018-04-12 10:17:58,958 INFO L128 BoogieDeclarations]: Found specification of procedure fcvt_r [2018-04-12 10:17:58,958 INFO L128 BoogieDeclarations]: Found specification of procedure qecvt_r [2018-04-12 10:17:58,958 INFO L128 BoogieDeclarations]: Found specification of procedure qfcvt_r [2018-04-12 10:17:58,958 INFO L128 BoogieDeclarations]: Found specification of procedure mblen [2018-04-12 10:17:58,959 INFO L128 BoogieDeclarations]: Found specification of procedure mbtowc [2018-04-12 10:17:58,959 INFO L128 BoogieDeclarations]: Found specification of procedure wctomb [2018-04-12 10:17:58,959 INFO L128 BoogieDeclarations]: Found specification of procedure mbstowcs [2018-04-12 10:17:58,959 INFO L128 BoogieDeclarations]: Found specification of procedure wcstombs [2018-04-12 10:17:58,959 INFO L128 BoogieDeclarations]: Found specification of procedure rpmatch [2018-04-12 10:17:58,959 INFO L128 BoogieDeclarations]: Found specification of procedure getsubopt [2018-04-12 10:17:58,959 INFO L128 BoogieDeclarations]: Found specification of procedure getloadavg [2018-04-12 10:17:58,959 INFO L128 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-04-12 10:17:58,959 INFO L128 BoogieDeclarations]: Found specification of procedure cstrpbrk [2018-04-12 10:17:58,959 INFO L128 BoogieDeclarations]: Found specification of procedure read~int [2018-04-12 10:17:58,959 INFO L128 BoogieDeclarations]: Found specification of procedure main [2018-04-12 10:17:58,960 INFO L128 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-04-12 10:17:58,960 INFO L128 BoogieDeclarations]: Found specification of procedure write~int [2018-04-12 10:17:58,960 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-04-12 10:17:58,960 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-04-12 10:17:58,960 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-04-12 10:17:58,960 INFO L128 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2018-04-12 10:17:59,203 INFO L259 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-04-12 10:17:59,203 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.04 10:17:59 BoogieIcfgContainer [2018-04-12 10:17:59,204 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-04-12 10:17:59,204 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-04-12 10:17:59,204 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-04-12 10:17:59,206 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-04-12 10:17:59,206 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.04 10:17:58" (1/3) ... [2018-04-12 10:17:59,206 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4a3742f7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.04 10:17:59, skipping insertion in model container [2018-04-12 10:17:59,206 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.04 10:17:58" (2/3) ... [2018-04-12 10:17:59,207 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4a3742f7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.04 10:17:59, skipping insertion in model container [2018-04-12 10:17:59,207 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.04 10:17:59" (3/3) ... [2018-04-12 10:17:59,208 INFO L107 eAbstractionObserver]: Analyzing ICFG cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:17:59,212 INFO L131 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-04-12 10:17:59,217 INFO L143 ceAbstractionStarter]: Appying trace abstraction to program that has 15 error locations. [2018-04-12 10:17:59,237 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2018-04-12 10:17:59,238 INFO L369 AbstractCegarLoop]: Interprodecural is true [2018-04-12 10:17:59,238 INFO L370 AbstractCegarLoop]: Hoare is false [2018-04-12 10:17:59,238 INFO L371 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-04-12 10:17:59,238 INFO L372 AbstractCegarLoop]: Backedges is TWOTRACK [2018-04-12 10:17:59,238 INFO L373 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-04-12 10:17:59,238 INFO L374 AbstractCegarLoop]: Difference is false [2018-04-12 10:17:59,238 INFO L375 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-04-12 10:17:59,238 INFO L380 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-04-12 10:17:59,239 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-04-12 10:17:59,246 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states. [2018-04-12 10:17:59,251 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-04-12 10:17:59,251 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 10:17:59,252 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 10:17:59,252 INFO L408 AbstractCegarLoop]: === Iteration 1 === [cstrpbrkErr3RequiresViolation, cstrpbrkErr1RequiresViolation, cstrpbrkErr9RequiresViolation, cstrpbrkErr7RequiresViolation, cstrpbrkErr2RequiresViolation, cstrpbrkErr8RequiresViolation, cstrpbrkErr4RequiresViolation, cstrpbrkErr0RequiresViolation, cstrpbrkErr6RequiresViolation, cstrpbrkErr5RequiresViolation, mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-12 10:17:59,254 INFO L82 PathProgramCache]: Analyzing trace with hash -1596208369, now seen corresponding path program 1 times [2018-04-12 10:17:59,255 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-12 10:17:59,256 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-12 10:17:59,286 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 10:17:59,286 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-12 10:17:59,286 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 10:17:59,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 10:17:59,326 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 10:17:59,394 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 10:17:59,396 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-12 10:17:59,396 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-04-12 10:17:59,397 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-04-12 10:17:59,409 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-04-12 10:17:59,409 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-04-12 10:17:59,411 INFO L87 Difference]: Start difference. First operand 58 states. Second operand 4 states. [2018-04-12 10:17:59,503 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 10:17:59,503 INFO L93 Difference]: Finished difference Result 57 states and 62 transitions. [2018-04-12 10:17:59,504 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-04-12 10:17:59,505 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 13 [2018-04-12 10:17:59,505 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 10:17:59,512 INFO L225 Difference]: With dead ends: 57 [2018-04-12 10:17:59,512 INFO L226 Difference]: Without dead ends: 54 [2018-04-12 10:17:59,513 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-04-12 10:17:59,524 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54 states. [2018-04-12 10:17:59,534 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54 to 54. [2018-04-12 10:17:59,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 54 states. [2018-04-12 10:17:59,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 59 transitions. [2018-04-12 10:17:59,537 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 59 transitions. Word has length 13 [2018-04-12 10:17:59,537 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 10:17:59,537 INFO L459 AbstractCegarLoop]: Abstraction has 54 states and 59 transitions. [2018-04-12 10:17:59,537 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-04-12 10:17:59,537 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 59 transitions. [2018-04-12 10:17:59,537 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-04-12 10:17:59,537 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 10:17:59,537 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 10:17:59,538 INFO L408 AbstractCegarLoop]: === Iteration 2 === [cstrpbrkErr3RequiresViolation, cstrpbrkErr1RequiresViolation, cstrpbrkErr9RequiresViolation, cstrpbrkErr7RequiresViolation, cstrpbrkErr2RequiresViolation, cstrpbrkErr8RequiresViolation, cstrpbrkErr4RequiresViolation, cstrpbrkErr0RequiresViolation, cstrpbrkErr6RequiresViolation, cstrpbrkErr5RequiresViolation, mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-12 10:17:59,538 INFO L82 PathProgramCache]: Analyzing trace with hash -1596208368, now seen corresponding path program 1 times [2018-04-12 10:17:59,538 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-12 10:17:59,538 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-12 10:17:59,539 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 10:17:59,539 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-12 10:17:59,539 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 10:17:59,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 10:17:59,554 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 10:17:59,619 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 10:17:59,619 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-12 10:17:59,619 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-04-12 10:17:59,620 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-04-12 10:17:59,621 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-04-12 10:17:59,621 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2018-04-12 10:17:59,621 INFO L87 Difference]: Start difference. First operand 54 states and 59 transitions. Second operand 6 states. [2018-04-12 10:17:59,698 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 10:17:59,698 INFO L93 Difference]: Finished difference Result 53 states and 58 transitions. [2018-04-12 10:17:59,698 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-04-12 10:17:59,699 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 13 [2018-04-12 10:17:59,699 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 10:17:59,699 INFO L225 Difference]: With dead ends: 53 [2018-04-12 10:17:59,700 INFO L226 Difference]: Without dead ends: 53 [2018-04-12 10:17:59,700 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 [2018-04-12 10:17:59,701 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2018-04-12 10:17:59,703 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 53. [2018-04-12 10:17:59,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 53 states. [2018-04-12 10:17:59,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 58 transitions. [2018-04-12 10:17:59,705 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 58 transitions. Word has length 13 [2018-04-12 10:17:59,705 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 10:17:59,705 INFO L459 AbstractCegarLoop]: Abstraction has 53 states and 58 transitions. [2018-04-12 10:17:59,705 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-04-12 10:17:59,705 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 58 transitions. [2018-04-12 10:17:59,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-04-12 10:17:59,705 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 10:17:59,706 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 10:17:59,706 INFO L408 AbstractCegarLoop]: === Iteration 3 === [cstrpbrkErr3RequiresViolation, cstrpbrkErr1RequiresViolation, cstrpbrkErr9RequiresViolation, cstrpbrkErr7RequiresViolation, cstrpbrkErr2RequiresViolation, cstrpbrkErr8RequiresViolation, cstrpbrkErr4RequiresViolation, cstrpbrkErr0RequiresViolation, cstrpbrkErr6RequiresViolation, cstrpbrkErr5RequiresViolation, mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-12 10:17:59,706 INFO L82 PathProgramCache]: Analyzing trace with hash 2057148167, now seen corresponding path program 1 times [2018-04-12 10:17:59,706 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-12 10:17:59,706 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-12 10:17:59,707 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 10:17:59,707 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-12 10:17:59,707 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 10:17:59,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 10:17:59,717 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 10:17:59,734 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 10:17:59,735 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-12 10:17:59,735 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-04-12 10:17:59,735 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-04-12 10:17:59,735 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-04-12 10:17:59,736 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-04-12 10:17:59,736 INFO L87 Difference]: Start difference. First operand 53 states and 58 transitions. Second operand 4 states. [2018-04-12 10:17:59,794 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 10:17:59,795 INFO L93 Difference]: Finished difference Result 52 states and 57 transitions. [2018-04-12 10:17:59,795 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-04-12 10:17:59,795 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 14 [2018-04-12 10:17:59,795 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 10:17:59,796 INFO L225 Difference]: With dead ends: 52 [2018-04-12 10:17:59,796 INFO L226 Difference]: Without dead ends: 52 [2018-04-12 10:17:59,796 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-04-12 10:17:59,796 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52 states. [2018-04-12 10:17:59,799 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 52. [2018-04-12 10:17:59,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 52 states. [2018-04-12 10:17:59,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 57 transitions. [2018-04-12 10:17:59,800 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 57 transitions. Word has length 14 [2018-04-12 10:17:59,800 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 10:17:59,800 INFO L459 AbstractCegarLoop]: Abstraction has 52 states and 57 transitions. [2018-04-12 10:17:59,800 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-04-12 10:17:59,801 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 57 transitions. [2018-04-12 10:17:59,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-04-12 10:17:59,801 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 10:17:59,801 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 10:17:59,801 INFO L408 AbstractCegarLoop]: === Iteration 4 === [cstrpbrkErr3RequiresViolation, cstrpbrkErr1RequiresViolation, cstrpbrkErr9RequiresViolation, cstrpbrkErr7RequiresViolation, cstrpbrkErr2RequiresViolation, cstrpbrkErr8RequiresViolation, cstrpbrkErr4RequiresViolation, cstrpbrkErr0RequiresViolation, cstrpbrkErr6RequiresViolation, cstrpbrkErr5RequiresViolation, mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-12 10:17:59,801 INFO L82 PathProgramCache]: Analyzing trace with hash 2057148168, now seen corresponding path program 1 times [2018-04-12 10:17:59,801 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-12 10:17:59,802 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-12 10:17:59,802 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 10:17:59,802 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-12 10:17:59,803 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 10:17:59,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 10:17:59,812 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 10:17:59,854 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 10:17:59,854 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-12 10:17:59,854 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-04-12 10:17:59,854 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-04-12 10:17:59,854 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-04-12 10:17:59,854 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-04-12 10:17:59,855 INFO L87 Difference]: Start difference. First operand 52 states and 57 transitions. Second operand 5 states. [2018-04-12 10:17:59,875 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 10:17:59,875 INFO L93 Difference]: Finished difference Result 51 states and 56 transitions. [2018-04-12 10:17:59,875 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-04-12 10:17:59,875 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 14 [2018-04-12 10:17:59,876 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 10:17:59,876 INFO L225 Difference]: With dead ends: 51 [2018-04-12 10:17:59,876 INFO L226 Difference]: Without dead ends: 51 [2018-04-12 10:17:59,876 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2018-04-12 10:17:59,876 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states. [2018-04-12 10:17:59,878 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 51. [2018-04-12 10:17:59,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 51 states. [2018-04-12 10:17:59,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 56 transitions. [2018-04-12 10:17:59,878 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 56 transitions. Word has length 14 [2018-04-12 10:17:59,878 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 10:17:59,878 INFO L459 AbstractCegarLoop]: Abstraction has 51 states and 56 transitions. [2018-04-12 10:17:59,879 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-04-12 10:17:59,879 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 56 transitions. [2018-04-12 10:17:59,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-04-12 10:17:59,879 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 10:17:59,879 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 10:17:59,879 INFO L408 AbstractCegarLoop]: === Iteration 5 === [cstrpbrkErr3RequiresViolation, cstrpbrkErr1RequiresViolation, cstrpbrkErr9RequiresViolation, cstrpbrkErr7RequiresViolation, cstrpbrkErr2RequiresViolation, cstrpbrkErr8RequiresViolation, cstrpbrkErr4RequiresViolation, cstrpbrkErr0RequiresViolation, cstrpbrkErr6RequiresViolation, cstrpbrkErr5RequiresViolation, mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-12 10:17:59,879 INFO L82 PathProgramCache]: Analyzing trace with hash 880492650, now seen corresponding path program 1 times [2018-04-12 10:17:59,879 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-12 10:17:59,879 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-12 10:17:59,880 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 10:17:59,880 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-12 10:17:59,880 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 10:17:59,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 10:17:59,886 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 10:17:59,907 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 10:17:59,907 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-12 10:17:59,907 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-04-12 10:17:59,907 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-04-12 10:17:59,908 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-04-12 10:17:59,908 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-04-12 10:17:59,908 INFO L87 Difference]: Start difference. First operand 51 states and 56 transitions. Second operand 5 states. [2018-04-12 10:17:59,949 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 10:17:59,949 INFO L93 Difference]: Finished difference Result 49 states and 54 transitions. [2018-04-12 10:17:59,950 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-04-12 10:17:59,950 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 18 [2018-04-12 10:17:59,950 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 10:17:59,950 INFO L225 Difference]: With dead ends: 49 [2018-04-12 10:17:59,950 INFO L226 Difference]: Without dead ends: 49 [2018-04-12 10:17:59,950 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-04-12 10:17:59,951 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2018-04-12 10:17:59,952 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 49. [2018-04-12 10:17:59,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 49 states. [2018-04-12 10:17:59,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 54 transitions. [2018-04-12 10:17:59,952 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 54 transitions. Word has length 18 [2018-04-12 10:17:59,953 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 10:17:59,953 INFO L459 AbstractCegarLoop]: Abstraction has 49 states and 54 transitions. [2018-04-12 10:17:59,953 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-04-12 10:17:59,953 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 54 transitions. [2018-04-12 10:17:59,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-04-12 10:17:59,953 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 10:17:59,953 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 10:17:59,953 INFO L408 AbstractCegarLoop]: === Iteration 6 === [cstrpbrkErr3RequiresViolation, cstrpbrkErr1RequiresViolation, cstrpbrkErr9RequiresViolation, cstrpbrkErr7RequiresViolation, cstrpbrkErr2RequiresViolation, cstrpbrkErr8RequiresViolation, cstrpbrkErr4RequiresViolation, cstrpbrkErr0RequiresViolation, cstrpbrkErr6RequiresViolation, cstrpbrkErr5RequiresViolation, mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-12 10:17:59,953 INFO L82 PathProgramCache]: Analyzing trace with hash 880492651, now seen corresponding path program 1 times [2018-04-12 10:17:59,953 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-12 10:17:59,953 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-12 10:17:59,954 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 10:17:59,954 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-12 10:17:59,954 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 10:17:59,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 10:17:59,960 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 10:18:00,020 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 10:18:00,020 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-12 10:18:00,020 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-04-12 10:18:00,020 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-04-12 10:18:00,020 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-04-12 10:18:00,021 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2018-04-12 10:18:00,021 INFO L87 Difference]: Start difference. First operand 49 states and 54 transitions. Second operand 8 states. [2018-04-12 10:18:00,143 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 10:18:00,143 INFO L93 Difference]: Finished difference Result 73 states and 82 transitions. [2018-04-12 10:18:00,143 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-04-12 10:18:00,144 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 18 [2018-04-12 10:18:00,144 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 10:18:00,145 INFO L225 Difference]: With dead ends: 73 [2018-04-12 10:18:00,145 INFO L226 Difference]: Without dead ends: 73 [2018-04-12 10:18:00,146 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 [2018-04-12 10:18:00,146 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2018-04-12 10:18:00,147 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 53. [2018-04-12 10:18:00,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 53 states. [2018-04-12 10:18:00,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 59 transitions. [2018-04-12 10:18:00,148 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 59 transitions. Word has length 18 [2018-04-12 10:18:00,148 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 10:18:00,148 INFO L459 AbstractCegarLoop]: Abstraction has 53 states and 59 transitions. [2018-04-12 10:18:00,148 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-04-12 10:18:00,148 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 59 transitions. [2018-04-12 10:18:00,149 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-04-12 10:18:00,149 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 10:18:00,149 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 10:18:00,149 INFO L408 AbstractCegarLoop]: === Iteration 7 === [cstrpbrkErr3RequiresViolation, cstrpbrkErr1RequiresViolation, cstrpbrkErr9RequiresViolation, cstrpbrkErr7RequiresViolation, cstrpbrkErr2RequiresViolation, cstrpbrkErr8RequiresViolation, cstrpbrkErr4RequiresViolation, cstrpbrkErr0RequiresViolation, cstrpbrkErr6RequiresViolation, cstrpbrkErr5RequiresViolation, mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-12 10:18:00,149 INFO L82 PathProgramCache]: Analyzing trace with hash 1252202925, now seen corresponding path program 1 times [2018-04-12 10:18:00,149 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-12 10:18:00,149 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-12 10:18:00,150 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 10:18:00,150 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-12 10:18:00,150 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 10:18:00,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 10:18:00,159 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 10:18:00,186 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 10:18:00,187 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-12 10:18:00,187 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-04-12 10:18:00,187 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-04-12 10:18:00,187 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-04-12 10:18:00,187 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-04-12 10:18:00,187 INFO L87 Difference]: Start difference. First operand 53 states and 59 transitions. Second operand 6 states. [2018-04-12 10:18:00,249 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 10:18:00,249 INFO L93 Difference]: Finished difference Result 53 states and 59 transitions. [2018-04-12 10:18:00,249 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-04-12 10:18:00,249 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 23 [2018-04-12 10:18:00,249 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 10:18:00,250 INFO L225 Difference]: With dead ends: 53 [2018-04-12 10:18:00,250 INFO L226 Difference]: Without dead ends: 53 [2018-04-12 10:18:00,250 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 [2018-04-12 10:18:00,250 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2018-04-12 10:18:00,251 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 50. [2018-04-12 10:18:00,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 50 states. [2018-04-12 10:18:00,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 56 transitions. [2018-04-12 10:18:00,252 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 56 transitions. Word has length 23 [2018-04-12 10:18:00,252 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 10:18:00,252 INFO L459 AbstractCegarLoop]: Abstraction has 50 states and 56 transitions. [2018-04-12 10:18:00,252 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-04-12 10:18:00,252 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 56 transitions. [2018-04-12 10:18:00,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-04-12 10:18:00,253 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 10:18:00,253 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 10:18:00,253 INFO L408 AbstractCegarLoop]: === Iteration 8 === [cstrpbrkErr3RequiresViolation, cstrpbrkErr1RequiresViolation, cstrpbrkErr9RequiresViolation, cstrpbrkErr7RequiresViolation, cstrpbrkErr2RequiresViolation, cstrpbrkErr8RequiresViolation, cstrpbrkErr4RequiresViolation, cstrpbrkErr0RequiresViolation, cstrpbrkErr6RequiresViolation, cstrpbrkErr5RequiresViolation, mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-12 10:18:00,253 INFO L82 PathProgramCache]: Analyzing trace with hash 1252202926, now seen corresponding path program 1 times [2018-04-12 10:18:00,253 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-12 10:18:00,253 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-12 10:18:00,253 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 10:18:00,253 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-12 10:18:00,254 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 10:18:00,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 10:18:00,263 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 10:18:00,327 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 10:18:00,327 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-12 10:18:00,328 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-04-12 10:18:00,328 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-04-12 10:18:00,328 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-04-12 10:18:00,328 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2018-04-12 10:18:00,328 INFO L87 Difference]: Start difference. First operand 50 states and 56 transitions. Second operand 9 states. [2018-04-12 10:18:00,411 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 10:18:00,412 INFO L93 Difference]: Finished difference Result 67 states and 77 transitions. [2018-04-12 10:18:00,412 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-04-12 10:18:00,412 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 23 [2018-04-12 10:18:00,412 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 10:18:00,413 INFO L225 Difference]: With dead ends: 67 [2018-04-12 10:18:00,413 INFO L226 Difference]: Without dead ends: 67 [2018-04-12 10:18:00,413 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 [2018-04-12 10:18:00,413 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67 states. [2018-04-12 10:18:00,415 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67 to 58. [2018-04-12 10:18:00,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 58 states. [2018-04-12 10:18:00,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 58 states and 66 transitions. [2018-04-12 10:18:00,416 INFO L78 Accepts]: Start accepts. Automaton has 58 states and 66 transitions. Word has length 23 [2018-04-12 10:18:00,416 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 10:18:00,417 INFO L459 AbstractCegarLoop]: Abstraction has 58 states and 66 transitions. [2018-04-12 10:18:00,417 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-04-12 10:18:00,417 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 66 transitions. [2018-04-12 10:18:00,417 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-04-12 10:18:00,417 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 10:18:00,417 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] [2018-04-12 10:18:00,417 INFO L408 AbstractCegarLoop]: === Iteration 9 === [cstrpbrkErr3RequiresViolation, cstrpbrkErr1RequiresViolation, cstrpbrkErr9RequiresViolation, cstrpbrkErr7RequiresViolation, cstrpbrkErr2RequiresViolation, cstrpbrkErr8RequiresViolation, cstrpbrkErr4RequiresViolation, cstrpbrkErr0RequiresViolation, cstrpbrkErr6RequiresViolation, cstrpbrkErr5RequiresViolation, mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-12 10:18:00,418 INFO L82 PathProgramCache]: Analyzing trace with hash -1282364997, now seen corresponding path program 1 times [2018-04-12 10:18:00,418 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-12 10:18:00,418 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-12 10:18:00,419 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 10:18:00,419 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-12 10:18:00,419 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 10:18:00,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 10:18:00,428 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 10:18:00,441 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 10:18:00,441 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-12 10:18:00,441 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-04-12 10:18:00,441 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-04-12 10:18:00,442 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-04-12 10:18:00,442 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-04-12 10:18:00,442 INFO L87 Difference]: Start difference. First operand 58 states and 66 transitions. Second operand 3 states. [2018-04-12 10:18:00,449 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 10:18:00,449 INFO L93 Difference]: Finished difference Result 60 states and 68 transitions. [2018-04-12 10:18:00,450 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-04-12 10:18:00,450 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 28 [2018-04-12 10:18:00,450 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 10:18:00,451 INFO L225 Difference]: With dead ends: 60 [2018-04-12 10:18:00,451 INFO L226 Difference]: Without dead ends: 60 [2018-04-12 10:18:00,451 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 [2018-04-12 10:18:00,451 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60 states. [2018-04-12 10:18:00,453 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60 to 60. [2018-04-12 10:18:00,453 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 60 states. [2018-04-12 10:18:00,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 68 transitions. [2018-04-12 10:18:00,454 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 68 transitions. Word has length 28 [2018-04-12 10:18:00,454 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 10:18:00,454 INFO L459 AbstractCegarLoop]: Abstraction has 60 states and 68 transitions. [2018-04-12 10:18:00,454 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-04-12 10:18:00,454 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 68 transitions. [2018-04-12 10:18:00,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-04-12 10:18:00,455 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 10:18:00,455 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] [2018-04-12 10:18:00,455 INFO L408 AbstractCegarLoop]: === Iteration 10 === [cstrpbrkErr3RequiresViolation, cstrpbrkErr1RequiresViolation, cstrpbrkErr9RequiresViolation, cstrpbrkErr7RequiresViolation, cstrpbrkErr2RequiresViolation, cstrpbrkErr8RequiresViolation, cstrpbrkErr4RequiresViolation, cstrpbrkErr0RequiresViolation, cstrpbrkErr6RequiresViolation, cstrpbrkErr5RequiresViolation, mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-12 10:18:00,455 INFO L82 PathProgramCache]: Analyzing trace with hash 1110592865, now seen corresponding path program 1 times [2018-04-12 10:18:00,455 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-12 10:18:00,455 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-12 10:18:00,456 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 10:18:00,456 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-12 10:18:00,456 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 10:18:00,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 10:18:00,466 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 10:18:00,525 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 10:18:00,525 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-12 10:18:00,525 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-04-12 10:18:00,526 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-04-12 10:18:00,526 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-04-12 10:18:00,526 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-04-12 10:18:00,526 INFO L87 Difference]: Start difference. First operand 60 states and 68 transitions. Second operand 6 states. [2018-04-12 10:18:00,640 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 10:18:00,640 INFO L93 Difference]: Finished difference Result 59 states and 67 transitions. [2018-04-12 10:18:00,640 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-04-12 10:18:00,640 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 28 [2018-04-12 10:18:00,641 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 10:18:00,641 INFO L225 Difference]: With dead ends: 59 [2018-04-12 10:18:00,641 INFO L226 Difference]: Without dead ends: 50 [2018-04-12 10:18:00,642 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 [2018-04-12 10:18:00,642 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50 states. [2018-04-12 10:18:00,643 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 50. [2018-04-12 10:18:00,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 50 states. [2018-04-12 10:18:00,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 56 transitions. [2018-04-12 10:18:00,644 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 56 transitions. Word has length 28 [2018-04-12 10:18:00,644 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 10:18:00,644 INFO L459 AbstractCegarLoop]: Abstraction has 50 states and 56 transitions. [2018-04-12 10:18:00,644 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-04-12 10:18:00,644 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 56 transitions. [2018-04-12 10:18:00,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-04-12 10:18:00,645 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 10:18:00,645 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] [2018-04-12 10:18:00,645 INFO L408 AbstractCegarLoop]: === Iteration 11 === [cstrpbrkErr3RequiresViolation, cstrpbrkErr1RequiresViolation, cstrpbrkErr9RequiresViolation, cstrpbrkErr7RequiresViolation, cstrpbrkErr2RequiresViolation, cstrpbrkErr8RequiresViolation, cstrpbrkErr4RequiresViolation, cstrpbrkErr0RequiresViolation, cstrpbrkErr6RequiresViolation, cstrpbrkErr5RequiresViolation, mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-12 10:18:00,645 INFO L82 PathProgramCache]: Analyzing trace with hash 121291838, now seen corresponding path program 1 times [2018-04-12 10:18:00,645 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-12 10:18:00,645 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-12 10:18:00,646 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 10:18:00,646 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-12 10:18:00,646 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 10:18:00,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 10:18:00,658 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 10:18:00,767 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-04-12 10:18:00,767 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-12 10:18:00,768 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2018-04-12 10:18:00,768 INFO L442 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-04-12 10:18:00,768 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-04-12 10:18:00,768 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2018-04-12 10:18:00,768 INFO L87 Difference]: Start difference. First operand 50 states and 56 transitions. Second operand 11 states. [2018-04-12 10:18:00,856 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 10:18:00,856 INFO L93 Difference]: Finished difference Result 62 states and 68 transitions. [2018-04-12 10:18:00,857 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-04-12 10:18:00,857 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 30 [2018-04-12 10:18:00,857 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 10:18:00,857 INFO L225 Difference]: With dead ends: 62 [2018-04-12 10:18:00,857 INFO L226 Difference]: Without dead ends: 50 [2018-04-12 10:18:00,857 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 [2018-04-12 10:18:00,858 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50 states. [2018-04-12 10:18:00,859 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 50. [2018-04-12 10:18:00,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 50 states. [2018-04-12 10:18:00,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 55 transitions. [2018-04-12 10:18:00,859 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 55 transitions. Word has length 30 [2018-04-12 10:18:00,859 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 10:18:00,859 INFO L459 AbstractCegarLoop]: Abstraction has 50 states and 55 transitions. [2018-04-12 10:18:00,859 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-04-12 10:18:00,859 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 55 transitions. [2018-04-12 10:18:00,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-04-12 10:18:00,860 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 10:18:00,860 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] [2018-04-12 10:18:00,860 INFO L408 AbstractCegarLoop]: === Iteration 12 === [cstrpbrkErr3RequiresViolation, cstrpbrkErr1RequiresViolation, cstrpbrkErr9RequiresViolation, cstrpbrkErr7RequiresViolation, cstrpbrkErr2RequiresViolation, cstrpbrkErr8RequiresViolation, cstrpbrkErr4RequiresViolation, cstrpbrkErr0RequiresViolation, cstrpbrkErr6RequiresViolation, cstrpbrkErr5RequiresViolation, mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-12 10:18:00,860 INFO L82 PathProgramCache]: Analyzing trace with hash -12721668, now seen corresponding path program 1 times [2018-04-12 10:18:00,860 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-12 10:18:00,861 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-12 10:18:00,861 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 10:18:00,861 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-12 10:18:00,861 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 10:18:00,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 10:18:00,872 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 10:18:00,936 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 10:18:00,936 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-12 10:18:00,936 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2018-04-12 10:18:00,936 INFO L442 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-04-12 10:18:00,936 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-04-12 10:18:00,936 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2018-04-12 10:18:00,937 INFO L87 Difference]: Start difference. First operand 50 states and 55 transitions. Second operand 11 states. [2018-04-12 10:18:01,088 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 10:18:01,088 INFO L93 Difference]: Finished difference Result 77 states and 82 transitions. [2018-04-12 10:18:01,088 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-04-12 10:18:01,088 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 30 [2018-04-12 10:18:01,088 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 10:18:01,089 INFO L225 Difference]: With dead ends: 77 [2018-04-12 10:18:01,089 INFO L226 Difference]: Without dead ends: 77 [2018-04-12 10:18:01,089 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 [2018-04-12 10:18:01,089 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77 states. [2018-04-12 10:18:01,091 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77 to 75. [2018-04-12 10:18:01,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 75 states. [2018-04-12 10:18:01,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 82 transitions. [2018-04-12 10:18:01,092 INFO L78 Accepts]: Start accepts. Automaton has 75 states and 82 transitions. Word has length 30 [2018-04-12 10:18:01,092 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 10:18:01,092 INFO L459 AbstractCegarLoop]: Abstraction has 75 states and 82 transitions. [2018-04-12 10:18:01,092 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-04-12 10:18:01,092 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 82 transitions. [2018-04-12 10:18:01,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-04-12 10:18:01,093 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 10:18:01,093 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] [2018-04-12 10:18:01,093 INFO L408 AbstractCegarLoop]: === Iteration 13 === [cstrpbrkErr3RequiresViolation, cstrpbrkErr1RequiresViolation, cstrpbrkErr9RequiresViolation, cstrpbrkErr7RequiresViolation, cstrpbrkErr2RequiresViolation, cstrpbrkErr8RequiresViolation, cstrpbrkErr4RequiresViolation, cstrpbrkErr0RequiresViolation, cstrpbrkErr6RequiresViolation, cstrpbrkErr5RequiresViolation, mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-12 10:18:01,093 INFO L82 PathProgramCache]: Analyzing trace with hash -1818160002, now seen corresponding path program 1 times [2018-04-12 10:18:01,094 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-12 10:18:01,094 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-12 10:18:01,094 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 10:18:01,094 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-12 10:18:01,095 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 10:18:01,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 10:18:01,105 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 10:18:01,264 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 10:18:01,265 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-04-12 10:18:01,265 INFO L213 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-04-12 10:18:01,278 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-12 10:18:01,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 10:18:01,309 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-12 10:18:01,345 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 11 [2018-04-12 10:18:01,347 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 10 [2018-04-12 10:18:01,347 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 10:18:01,349 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 10:18:01,352 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-12 10:18:01,352 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:25, output treesize:21 [2018-04-12 10:18:01,453 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 14 [2018-04-12 10:18:01,461 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 14 treesize of output 11 [2018-04-12 10:18:01,462 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 2 xjuncts. [2018-04-12 10:18:01,466 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-12 10:18:01,478 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2018-04-12 10:18:01,478 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:34, output treesize:33 [2018-04-12 10:18:01,580 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 10:18:01,604 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-12 10:18:01,605 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 10] total 19 [2018-04-12 10:18:01,605 INFO L442 AbstractCegarLoop]: Interpolant automaton has 20 states [2018-04-12 10:18:01,605 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2018-04-12 10:18:01,605 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=332, Unknown=0, NotChecked=0, Total=380 [2018-04-12 10:18:01,605 INFO L87 Difference]: Start difference. First operand 75 states and 82 transitions. Second operand 20 states. [2018-04-12 10:18:02,924 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 10:18:02,924 INFO L93 Difference]: Finished difference Result 103 states and 112 transitions. [2018-04-12 10:18:02,925 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-04-12 10:18:02,925 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 30 [2018-04-12 10:18:02,925 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 10:18:02,926 INFO L225 Difference]: With dead ends: 103 [2018-04-12 10:18:02,926 INFO L226 Difference]: Without dead ends: 103 [2018-04-12 10:18:02,927 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 [2018-04-12 10:18:02,927 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 103 states. [2018-04-12 10:18:02,930 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 103 to 82. [2018-04-12 10:18:02,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 82 states. [2018-04-12 10:18:02,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 82 states and 91 transitions. [2018-04-12 10:18:02,931 INFO L78 Accepts]: Start accepts. Automaton has 82 states and 91 transitions. Word has length 30 [2018-04-12 10:18:02,932 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 10:18:02,932 INFO L459 AbstractCegarLoop]: Abstraction has 82 states and 91 transitions. [2018-04-12 10:18:02,932 INFO L460 AbstractCegarLoop]: Interpolant automaton has 20 states. [2018-04-12 10:18:02,932 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 91 transitions. [2018-04-12 10:18:02,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-04-12 10:18:02,933 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 10:18:02,933 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] [2018-04-12 10:18:02,933 INFO L408 AbstractCegarLoop]: === Iteration 14 === [cstrpbrkErr3RequiresViolation, cstrpbrkErr1RequiresViolation, cstrpbrkErr9RequiresViolation, cstrpbrkErr7RequiresViolation, cstrpbrkErr2RequiresViolation, cstrpbrkErr8RequiresViolation, cstrpbrkErr4RequiresViolation, cstrpbrkErr0RequiresViolation, cstrpbrkErr6RequiresViolation, cstrpbrkErr5RequiresViolation, mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-12 10:18:02,933 INFO L82 PathProgramCache]: Analyzing trace with hash 904755746, now seen corresponding path program 1 times [2018-04-12 10:18:02,933 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-12 10:18:02,933 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-12 10:18:02,934 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 10:18:02,934 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-12 10:18:02,934 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 10:18:02,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 10:18:02,941 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 10:18:03,006 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 10:18:03,007 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-12 10:18:03,007 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-04-12 10:18:03,007 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-04-12 10:18:03,007 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-04-12 10:18:03,007 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2018-04-12 10:18:03,008 INFO L87 Difference]: Start difference. First operand 82 states and 91 transitions. Second operand 10 states. [2018-04-12 10:18:03,112 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 10:18:03,112 INFO L93 Difference]: Finished difference Result 82 states and 87 transitions. [2018-04-12 10:18:03,112 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-04-12 10:18:03,112 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 31 [2018-04-12 10:18:03,112 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 10:18:03,112 INFO L225 Difference]: With dead ends: 82 [2018-04-12 10:18:03,112 INFO L226 Difference]: Without dead ends: 59 [2018-04-12 10:18:03,113 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 [2018-04-12 10:18:03,113 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59 states. [2018-04-12 10:18:03,114 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59 to 57. [2018-04-12 10:18:03,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 57 states. [2018-04-12 10:18:03,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 61 transitions. [2018-04-12 10:18:03,115 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 61 transitions. Word has length 31 [2018-04-12 10:18:03,115 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 10:18:03,115 INFO L459 AbstractCegarLoop]: Abstraction has 57 states and 61 transitions. [2018-04-12 10:18:03,115 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-04-12 10:18:03,115 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 61 transitions. [2018-04-12 10:18:03,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-04-12 10:18:03,115 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 10:18:03,115 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] [2018-04-12 10:18:03,115 INFO L408 AbstractCegarLoop]: === Iteration 15 === [cstrpbrkErr3RequiresViolation, cstrpbrkErr1RequiresViolation, cstrpbrkErr9RequiresViolation, cstrpbrkErr7RequiresViolation, cstrpbrkErr2RequiresViolation, cstrpbrkErr8RequiresViolation, cstrpbrkErr4RequiresViolation, cstrpbrkErr0RequiresViolation, cstrpbrkErr6RequiresViolation, cstrpbrkErr5RequiresViolation, mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-12 10:18:03,116 INFO L82 PathProgramCache]: Analyzing trace with hash -1006314883, now seen corresponding path program 1 times [2018-04-12 10:18:03,116 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-12 10:18:03,116 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-12 10:18:03,116 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 10:18:03,116 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-12 10:18:03,116 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 10:18:03,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 10:18:03,126 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 10:18:03,261 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 10:18:03,261 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-04-12 10:18:03,261 INFO L213 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-04-12 10:18:03,267 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-12 10:18:03,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 10:18:03,306 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-12 10:18:03,316 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-04-12 10:18:03,316 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-12 10:18:03,318 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 10:18:03,318 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2018-04-12 10:18:03,341 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 10:18:03,342 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 10:18:03,342 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 [2018-04-12 10:18:03,342 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-12 10:18:03,345 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 10:18:03,345 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:14, output treesize:8 [2018-04-12 10:18:03,376 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 [2018-04-12 10:18:03,378 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 10 [2018-04-12 10:18:03,378 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 10:18:03,380 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 10:18:03,393 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-12 10:18:03,393 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:29, output treesize:25 [2018-04-12 10:18:03,419 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 [2018-04-12 10:18:03,420 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 10 [2018-04-12 10:18:03,421 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 10:18:03,424 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 10:18:03,430 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. [2018-04-12 10:18:03,430 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 5 variables, input treesize:39, output treesize:35 [2018-04-12 10:18:04,275 WARN L148 SmtUtils]: Spent 529ms on a formula simplification that was a NOOP. DAG size: 46 [2018-04-12 10:18:04,337 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 [2018-04-12 10:18:04,341 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 [2018-04-12 10:18:04,341 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 10:18:04,371 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 [2018-04-12 10:18:04,372 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-04-12 10:18:04,406 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 [2018-04-12 10:18:04,406 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-12 10:18:04,434 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 [2018-04-12 10:18:04,434 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 2 xjuncts. [2018-04-12 10:18:04,464 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 [2018-04-12 10:18:04,465 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 2 xjuncts. [2018-04-12 10:18:04,507 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 [2018-04-12 10:18:04,508 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 4 xjuncts. [2018-04-12 10:18:04,565 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 [2018-04-12 10:18:04,566 INFO L267 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 4 xjuncts. [2018-04-12 10:18:04,623 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 [2018-04-12 10:18:04,623 INFO L267 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2018-04-12 10:18:04,628 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 [2018-04-12 10:18:04,628 INFO L267 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2018-04-12 10:18:04,629 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 [2018-04-12 10:18:04,629 INFO L267 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2018-04-12 10:18:04,666 INFO L267 ElimStorePlain]: Start of recursive call 2: 8 dim-1 vars, End of recursive call: and 7 xjuncts. [2018-04-12 10:18:04,703 INFO L267 ElimStorePlain]: Start of recursive call 1: 7 dim-0 vars, 1 dim-2 vars, End of recursive call: and 3 xjuncts. [2018-04-12 10:18:04,703 INFO L202 ElimStorePlain]: Needed 12 recursive calls to eliminate 8 variables, input treesize:63, output treesize:66 [2018-04-12 10:18:04,761 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 10:18:04,778 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-12 10:18:04,778 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 19] total 28 [2018-04-12 10:18:04,779 INFO L442 AbstractCegarLoop]: Interpolant automaton has 29 states [2018-04-12 10:18:04,779 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2018-04-12 10:18:04,779 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=82, Invalid=730, Unknown=0, NotChecked=0, Total=812 [2018-04-12 10:18:04,779 INFO L87 Difference]: Start difference. First operand 57 states and 61 transitions. Second operand 29 states. [2018-04-12 10:18:08,807 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 10:18:08,807 INFO L93 Difference]: Finished difference Result 124 states and 135 transitions. [2018-04-12 10:18:08,808 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2018-04-12 10:18:08,808 INFO L78 Accepts]: Start accepts. Automaton has 29 states. Word has length 33 [2018-04-12 10:18:08,808 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 10:18:08,808 INFO L225 Difference]: With dead ends: 124 [2018-04-12 10:18:08,808 INFO L226 Difference]: Without dead ends: 124 [2018-04-12 10:18:08,809 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 45 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 448 ImplicationChecksByTransitivity, 4.6s TimeCoverageRelationStatistics Valid=331, Invalid=1830, Unknown=1, NotChecked=0, Total=2162 [2018-04-12 10:18:08,809 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 124 states. [2018-04-12 10:18:08,810 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 124 to 87. [2018-04-12 10:18:08,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 87 states. [2018-04-12 10:18:08,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 87 states and 98 transitions. [2018-04-12 10:18:08,811 INFO L78 Accepts]: Start accepts. Automaton has 87 states and 98 transitions. Word has length 33 [2018-04-12 10:18:08,811 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 10:18:08,811 INFO L459 AbstractCegarLoop]: Abstraction has 87 states and 98 transitions. [2018-04-12 10:18:08,811 INFO L460 AbstractCegarLoop]: Interpolant automaton has 29 states. [2018-04-12 10:18:08,811 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 98 transitions. [2018-04-12 10:18:08,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-04-12 10:18:08,812 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 10:18:08,812 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] [2018-04-12 10:18:08,812 INFO L408 AbstractCegarLoop]: === Iteration 16 === [cstrpbrkErr3RequiresViolation, cstrpbrkErr1RequiresViolation, cstrpbrkErr9RequiresViolation, cstrpbrkErr7RequiresViolation, cstrpbrkErr2RequiresViolation, cstrpbrkErr8RequiresViolation, cstrpbrkErr4RequiresViolation, cstrpbrkErr0RequiresViolation, cstrpbrkErr6RequiresViolation, cstrpbrkErr5RequiresViolation, mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-12 10:18:08,812 INFO L82 PathProgramCache]: Analyzing trace with hash 1684275054, now seen corresponding path program 2 times [2018-04-12 10:18:08,812 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-12 10:18:08,812 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-12 10:18:08,812 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 10:18:08,813 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-12 10:18:08,813 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 10:18:08,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 10:18:08,821 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 10:18:09,088 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 10:18:09,088 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-04-12 10:18:09,089 INFO L213 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-04-12 10:18:09,094 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST1 [2018-04-12 10:18:09,129 INFO L242 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2018-04-12 10:18:09,129 INFO L243 tOrderPrioritization]: Conjunction of SSA is unsat [2018-04-12 10:18:09,132 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-12 10:18:09,137 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-04-12 10:18:09,137 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-12 10:18:09,153 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 10:18:09,153 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2018-04-12 10:18:09,183 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 13 [2018-04-12 10:18:09,184 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 12 [2018-04-12 10:18:09,184 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 10:18:09,185 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 10:18:09,188 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-12 10:18:09,189 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:23, output treesize:19 [2018-04-12 10:18:09,291 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 16 [2018-04-12 10:18:09,296 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 16 treesize of output 13 [2018-04-12 10:18:09,296 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 2 xjuncts. [2018-04-12 10:18:09,299 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-12 10:18:09,305 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 3 xjuncts. [2018-04-12 10:18:09,305 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:31, output treesize:33 [2018-04-12 10:18:09,416 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 2 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 10:18:09,433 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-12 10:18:09,433 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 13] total 23 [2018-04-12 10:18:09,434 INFO L442 AbstractCegarLoop]: Interpolant automaton has 24 states [2018-04-12 10:18:09,434 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2018-04-12 10:18:09,434 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=63, Invalid=489, Unknown=0, NotChecked=0, Total=552 [2018-04-12 10:18:09,434 INFO L87 Difference]: Start difference. First operand 87 states and 98 transitions. Second operand 24 states. [2018-04-12 10:18:10,129 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 10:18:10,129 INFO L93 Difference]: Finished difference Result 108 states and 115 transitions. [2018-04-12 10:18:10,129 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-04-12 10:18:10,129 INFO L78 Accepts]: Start accepts. Automaton has 24 states. Word has length 37 [2018-04-12 10:18:10,129 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 10:18:10,130 INFO L225 Difference]: With dead ends: 108 [2018-04-12 10:18:10,130 INFO L226 Difference]: Without dead ends: 106 [2018-04-12 10:18:10,130 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 26 SyntacticMatches, 1 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 156 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=219, Invalid=1113, Unknown=0, NotChecked=0, Total=1332 [2018-04-12 10:18:10,130 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 106 states. [2018-04-12 10:18:10,131 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 106 to 52. [2018-04-12 10:18:10,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 52 states. [2018-04-12 10:18:10,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 54 transitions. [2018-04-12 10:18:10,132 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 54 transitions. Word has length 37 [2018-04-12 10:18:10,132 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 10:18:10,132 INFO L459 AbstractCegarLoop]: Abstraction has 52 states and 54 transitions. [2018-04-12 10:18:10,132 INFO L460 AbstractCegarLoop]: Interpolant automaton has 24 states. [2018-04-12 10:18:10,132 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 54 transitions. [2018-04-12 10:18:10,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-04-12 10:18:10,133 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 10:18:10,133 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] [2018-04-12 10:18:10,133 INFO L408 AbstractCegarLoop]: === Iteration 17 === [cstrpbrkErr3RequiresViolation, cstrpbrkErr1RequiresViolation, cstrpbrkErr9RequiresViolation, cstrpbrkErr7RequiresViolation, cstrpbrkErr2RequiresViolation, cstrpbrkErr8RequiresViolation, cstrpbrkErr4RequiresViolation, cstrpbrkErr0RequiresViolation, cstrpbrkErr6RequiresViolation, cstrpbrkErr5RequiresViolation, mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-12 10:18:10,133 INFO L82 PathProgramCache]: Analyzing trace with hash 918606443, now seen corresponding path program 2 times [2018-04-12 10:18:10,133 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-12 10:18:10,133 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-12 10:18:10,134 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 10:18:10,134 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-04-12 10:18:10,134 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 10:18:10,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 10:18:10,151 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 10:18:10,393 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 19 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 10:18:10,394 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-04-12 10:18:10,394 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 [2018-04-12 10:18:10,399 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST1 [2018-04-12 10:18:10,418 INFO L242 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2018-04-12 10:18:10,419 INFO L243 tOrderPrioritization]: Conjunction of SSA is unsat [2018-04-12 10:18:10,422 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-12 10:18:10,440 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-04-12 10:18:10,440 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-12 10:18:10,447 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-04-12 10:18:10,447 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 10:18:10,453 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 10:18:10,453 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:16, output treesize:14 [2018-04-12 10:18:10,495 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 10:18:10,496 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 10:18:10,497 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 [2018-04-12 10:18:10,497 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-12 10:18:10,508 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 [2018-04-12 10:18:10,509 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 10:18:10,516 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 10:18:10,517 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:28, output treesize:21 [2018-04-12 10:18:10,573 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 [2018-04-12 10:18:10,574 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 12 [2018-04-12 10:18:10,574 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 10:18:10,576 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 10:18:10,581 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-12 10:18:10,581 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:35, output treesize:31 [2018-04-12 10:18:10,603 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 [2018-04-12 10:18:10,606 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 12 [2018-04-12 10:18:10,606 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 10:18:10,609 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 10:18:10,615 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-12 10:18:10,615 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:42, output treesize:38 [2018-04-12 10:18:11,014 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 [2018-04-12 10:18:11,020 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 16 treesize of output 13 [2018-04-12 10:18:11,041 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 2 xjuncts. [2018-04-12 10:18:11,048 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 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 [2018-04-12 10:18:11,048 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-04-12 10:18:11,052 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-12 10:18:11,065 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. [2018-04-12 10:18:11,065 INFO L202 ElimStorePlain]: Needed 4 recursive calls to eliminate 3 variables, input treesize:68, output treesize:81 [2018-04-12 10:18:11,208 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 3 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 10:18:11,226 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-12 10:18:11,226 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 21] total 32 [2018-04-12 10:18:11,226 INFO L442 AbstractCegarLoop]: Interpolant automaton has 33 states [2018-04-12 10:18:11,226 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2018-04-12 10:18:11,227 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=82, Invalid=974, Unknown=0, NotChecked=0, Total=1056 [2018-04-12 10:18:11,227 INFO L87 Difference]: Start difference. First operand 52 states and 54 transitions. Second operand 33 states. [2018-04-12 10:18:14,599 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 10:18:14,600 INFO L93 Difference]: Finished difference Result 123 states and 131 transitions. [2018-04-12 10:18:14,600 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2018-04-12 10:18:14,600 INFO L78 Accepts]: Start accepts. Automaton has 33 states. Word has length 48 [2018-04-12 10:18:14,600 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 10:18:14,600 INFO L225 Difference]: With dead ends: 123 [2018-04-12 10:18:14,600 INFO L226 Difference]: Without dead ends: 123 [2018-04-12 10:18:14,601 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 108 GetRequests, 30 SyntacticMatches, 1 SemanticMatches, 77 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1415 ImplicationChecksByTransitivity, 3.6s TimeCoverageRelationStatistics Valid=841, Invalid=5321, Unknown=0, NotChecked=0, Total=6162 [2018-04-12 10:18:14,602 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 123 states. [2018-04-12 10:18:14,603 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 123 to 71. [2018-04-12 10:18:14,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 71 states. [2018-04-12 10:18:14,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 75 transitions. [2018-04-12 10:18:14,603 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 75 transitions. Word has length 48 [2018-04-12 10:18:14,603 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 10:18:14,603 INFO L459 AbstractCegarLoop]: Abstraction has 71 states and 75 transitions. [2018-04-12 10:18:14,603 INFO L460 AbstractCegarLoop]: Interpolant automaton has 33 states. [2018-04-12 10:18:14,603 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 75 transitions. [2018-04-12 10:18:14,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2018-04-12 10:18:14,604 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 10:18:14,604 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] [2018-04-12 10:18:14,604 INFO L408 AbstractCegarLoop]: === Iteration 18 === [cstrpbrkErr3RequiresViolation, cstrpbrkErr1RequiresViolation, cstrpbrkErr9RequiresViolation, cstrpbrkErr7RequiresViolation, cstrpbrkErr2RequiresViolation, cstrpbrkErr8RequiresViolation, cstrpbrkErr4RequiresViolation, cstrpbrkErr0RequiresViolation, cstrpbrkErr6RequiresViolation, cstrpbrkErr5RequiresViolation, mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-12 10:18:14,604 INFO L82 PathProgramCache]: Analyzing trace with hash 852220749, now seen corresponding path program 1 times [2018-04-12 10:18:14,604 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-12 10:18:14,604 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-12 10:18:14,605 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 10:18:14,605 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-04-12 10:18:14,605 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 10:18:14,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 10:18:14,614 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 10:18:14,751 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 50 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2018-04-12 10:18:14,751 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-04-12 10:18:14,751 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 [2018-04-12 10:18:14,757 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-12 10:18:14,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 10:18:14,786 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-12 10:18:14,788 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-04-12 10:18:14,788 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-12 10:18:14,792 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-04-12 10:18:14,792 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 10:18:14,795 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 10:18:14,795 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:16, output treesize:14 [2018-04-12 10:18:14,821 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 10:18:14,822 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 10:18:14,822 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 [2018-04-12 10:18:14,823 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-12 10:18:14,839 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 [2018-04-12 10:18:14,839 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 10:18:14,844 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 10:18:14,844 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:25, output treesize:18 [2018-04-12 10:18:14,872 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 [2018-04-12 10:18:14,873 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 12 [2018-04-12 10:18:14,873 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 10:18:14,876 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 10:18:14,881 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-12 10:18:14,881 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:32, output treesize:28 [2018-04-12 10:18:14,902 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 [2018-04-12 10:18:14,903 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 12 [2018-04-12 10:18:14,903 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 10:18:14,907 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 10:18:14,912 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. [2018-04-12 10:18:14,912 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:39, output treesize:35 [2018-04-12 10:18:18,495 WARN L148 SmtUtils]: Spent 2023ms on a formula simplification that was a NOOP. DAG size: 46 [2018-04-12 10:18:18,570 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 [2018-04-12 10:18:18,577 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 [2018-04-12 10:18:18,578 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 2 xjuncts. [2018-04-12 10:18:18,682 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 [2018-04-12 10:18:18,683 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 4 xjuncts. [2018-04-12 10:18:18,772 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 [2018-04-12 10:18:18,772 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-12 10:18:18,774 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 [2018-04-12 10:18:18,774 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-04-12 10:18:18,843 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 [2018-04-12 10:18:18,843 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 4 xjuncts. [2018-04-12 10:18:18,922 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 [2018-04-12 10:18:18,923 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 2 xjuncts. [2018-04-12 10:18:19,010 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 [2018-04-12 10:18:19,010 INFO L267 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2018-04-12 10:18:19,012 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 [2018-04-12 10:18:19,012 INFO L267 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2018-04-12 10:18:19,014 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 [2018-04-12 10:18:19,014 INFO L267 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2018-04-12 10:18:19,093 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 [2018-04-12 10:18:19,093 INFO L267 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2018-04-12 10:18:19,094 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 [2018-04-12 10:18:19,095 INFO L267 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2018-04-12 10:18:19,176 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 [2018-04-12 10:18:19,177 INFO L267 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2018-04-12 10:18:19,178 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 [2018-04-12 10:18:19,179 INFO L267 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2018-04-12 10:18:19,228 INFO L267 ElimStorePlain]: Start of recursive call 2: 8 dim-1 vars, End of recursive call: and 7 xjuncts. [2018-04-12 10:18:19,274 INFO L267 ElimStorePlain]: Start of recursive call 1: 5 dim-0 vars, 1 dim-2 vars, End of recursive call: and 3 xjuncts. [2018-04-12 10:18:19,274 INFO L202 ElimStorePlain]: Needed 15 recursive calls to eliminate 6 variables, input treesize:67, output treesize:78 [2018-04-12 10:18:19,414 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 60 proven. 10 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-04-12 10:18:19,443 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-12 10:18:19,443 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 21] total 32 [2018-04-12 10:18:19,443 INFO L442 AbstractCegarLoop]: Interpolant automaton has 33 states [2018-04-12 10:18:19,443 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2018-04-12 10:18:19,444 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=140, Invalid=916, Unknown=0, NotChecked=0, Total=1056 [2018-04-12 10:18:19,444 INFO L87 Difference]: Start difference. First operand 71 states and 75 transitions. Second operand 33 states. [2018-04-12 10:18:20,516 WARN L151 SmtUtils]: Spent 139ms on a formula simplification. DAG size of input: 56 DAG size of output 49 [2018-04-12 10:18:24,620 WARN L151 SmtUtils]: Spent 4071ms on a formula simplification. DAG size of input: 63 DAG size of output 56 [2018-04-12 10:18:29,444 WARN L151 SmtUtils]: Spent 4055ms on a formula simplification. DAG size of input: 65 DAG size of output 57 [2018-04-12 10:18:30,821 WARN L151 SmtUtils]: Spent 1341ms on a formula simplification. DAG size of input: 65 DAG size of output 53 [2018-04-12 10:18:32,455 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 10:18:32,455 INFO L93 Difference]: Finished difference Result 98 states and 104 transitions. [2018-04-12 10:18:32,455 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2018-04-12 10:18:32,455 INFO L78 Accepts]: Start accepts. Automaton has 33 states. Word has length 70 [2018-04-12 10:18:32,455 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 10:18:32,456 INFO L225 Difference]: With dead ends: 98 [2018-04-12 10:18:32,456 INFO L226 Difference]: Without dead ends: 0 [2018-04-12 10:18:32,457 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 118 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 64 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 569 ImplicationChecksByTransitivity, 16.3s TimeCoverageRelationStatistics Valid=893, Invalid=3397, Unknown=0, NotChecked=0, Total=4290 [2018-04-12 10:18:32,457 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-04-12 10:18:32,457 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-04-12 10:18:32,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-04-12 10:18:32,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-04-12 10:18:32,457 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 70 [2018-04-12 10:18:32,457 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 10:18:32,457 INFO L459 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-04-12 10:18:32,457 INFO L460 AbstractCegarLoop]: Interpolant automaton has 33 states. [2018-04-12 10:18:32,457 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-04-12 10:18:32,457 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-04-12 10:18:32,460 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.04 10:18:32 BoogieIcfgContainer [2018-04-12 10:18:32,460 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-04-12 10:18:32,461 INFO L168 Benchmark]: Toolchain (without parser) took 33876.28 ms. Allocated memory was 405.8 MB in the beginning and 798.5 MB in the end (delta: 392.7 MB). Free memory was 342.8 MB in the beginning and 533.6 MB in the end (delta: -190.8 MB). Peak memory consumption was 201.9 MB. Max. memory is 5.3 GB. [2018-04-12 10:18:32,462 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 405.8 MB. Free memory is still 369.1 MB. There was no memory consumed. Max. memory is 5.3 GB. [2018-04-12 10:18:32,462 INFO L168 Benchmark]: CACSL2BoogieTranslator took 234.01 ms. Allocated memory is still 405.8 MB. Free memory was 341.5 MB in the beginning and 317.7 MB in the end (delta: 23.8 MB). Peak memory consumption was 23.8 MB. Max. memory is 5.3 GB. [2018-04-12 10:18:32,462 INFO L168 Benchmark]: Boogie Preprocessor took 40.35 ms. Allocated memory is still 405.8 MB. Free memory was 317.7 MB in the beginning and 316.4 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 5.3 GB. [2018-04-12 10:18:32,462 INFO L168 Benchmark]: RCFGBuilder took 343.18 ms. Allocated memory was 405.8 MB in the beginning and 617.6 MB in the end (delta: 211.8 MB). Free memory was 315.1 MB in the beginning and 552.5 MB in the end (delta: -237.4 MB). Peak memory consumption was 22.7 MB. Max. memory is 5.3 GB. [2018-04-12 10:18:32,463 INFO L168 Benchmark]: TraceAbstraction took 33256.46 ms. Allocated memory was 617.6 MB in the beginning and 798.5 MB in the end (delta: 180.9 MB). Free memory was 552.5 MB in the beginning and 533.6 MB in the end (delta: 18.9 MB). Peak memory consumption was 199.7 MB. Max. memory is 5.3 GB. [2018-04-12 10:18:32,464 INFO L344 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11 ms. Allocated memory is still 405.8 MB. Free memory is still 369.1 MB. There was no memory consumed. Max. memory is 5.3 GB. * CACSL2BoogieTranslator took 234.01 ms. Allocated memory is still 405.8 MB. Free memory was 341.5 MB in the beginning and 317.7 MB in the end (delta: 23.8 MB). Peak memory consumption was 23.8 MB. Max. memory is 5.3 GB. * Boogie Preprocessor took 40.35 ms. Allocated memory is still 405.8 MB. Free memory was 317.7 MB in the beginning and 316.4 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 5.3 GB. * RCFGBuilder took 343.18 ms. Allocated memory was 405.8 MB in the beginning and 617.6 MB in the end (delta: 211.8 MB). Free memory was 315.1 MB in the beginning and 552.5 MB in the end (delta: -237.4 MB). Peak memory consumption was 22.7 MB. Max. memory is 5.3 GB. * TraceAbstraction took 33256.46 ms. Allocated memory was 617.6 MB in the beginning and 798.5 MB in the end (delta: 180.9 MB). Free memory was 552.5 MB in the beginning and 533.6 MB in the end (delta: 18.9 MB). Peak memory consumption was 199.7 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, 33.2s OverallTime, 18 OverallIterations, 4 TraceHistogramMax, 23.4s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 677 SDtfs, 2026 SDslu, 2875 SDs, 0 SdLazy, 3867 SolverSat, 392 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 3.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 525 GetRequests, 175 SyntacticMatches, 2 SemanticMatches, 348 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2831 ImplicationChecksByTransitivity, 26.9s 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, 9.0s 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-0-2018-04-12_10-18-32-470.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-0-2018-04-12_10-18-32-470.csv Received shutdown request...