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/openbsd_cstrcpy-alloca_true-valid-memsafety_true-termination.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-666feb3-m [2018-04-11 20:33:22,107 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-04-11 20:33:22,108 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-04-11 20:33:22,120 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-04-11 20:33:22,120 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-04-11 20:33:22,121 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-04-11 20:33:22,122 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-04-11 20:33:22,123 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-04-11 20:33:22,125 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-04-11 20:33:22,126 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-04-11 20:33:22,126 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-04-11 20:33:22,126 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-04-11 20:33:22,127 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-04-11 20:33:22,128 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-04-11 20:33:22,129 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-04-11 20:33:22,130 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-04-11 20:33:22,132 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-04-11 20:33:22,133 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-04-11 20:33:22,134 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-04-11 20:33:22,135 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-04-11 20:33:22,136 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2018-04-11 20:33:22,141 INFO L98 SettingsManager]: Beginning loading settings from /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/cade18-smtinterpol/svcomp-DerefFreeMemtrack-32bit-Automizer_Camel.epf [2018-04-11 20:33:22,163 INFO L110 SettingsManager]: Loading preferences was successful [2018-04-11 20:33:22,163 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-04-11 20:33:22,164 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-04-11 20:33:22,165 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-04-11 20:33:22,165 INFO L133 SettingsManager]: * Use SBE=true [2018-04-11 20:33:22,165 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-04-11 20:33:22,165 INFO L133 SettingsManager]: * sizeof long=4 [2018-04-11 20:33:22,165 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-04-11 20:33:22,165 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-04-11 20:33:22,166 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-04-11 20:33:22,166 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-04-11 20:33:22,166 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-04-11 20:33:22,166 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2018-04-11 20:33:22,166 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-04-11 20:33:22,166 INFO L133 SettingsManager]: * sizeof long double=12 [2018-04-11 20:33:22,166 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-04-11 20:33:22,167 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-04-11 20:33:22,167 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-04-11 20:33:22,167 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-04-11 20:33:22,167 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-04-11 20:33:22,167 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-04-11 20:33:22,167 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-04-11 20:33:22,167 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-04-11 20:33:22,168 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Bitprecise bitfields -> false [2018-04-11 20:33:22,194 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-04-11 20:33:22,201 INFO L266 ainManager$Toolchain]: [Toolchain 1]: Parser(s) successfully (re)initialized [2018-04-11 20:33:22,204 INFO L222 ainManager$Toolchain]: [Toolchain 1]: Toolchain data selected. [2018-04-11 20:33:22,205 INFO L271 PluginConnector]: Initializing CDTParser... [2018-04-11 20:33:22,205 INFO L276 PluginConnector]: CDTParser initialized [2018-04-11 20:33:22,206 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/array-memsafety/openbsd_cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-11 20:33:22,545 INFO L225 CDTParser]: Created temporary CDT project at /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/data/FLAGf35aa4b26 [2018-04-11 20:33:22,669 INFO L287 CDTParser]: IsIndexed: true [2018-04-11 20:33:22,669 INFO L288 CDTParser]: Found 1 translation units. [2018-04-11 20:33:22,670 INFO L168 CDTParser]: Scanning openbsd_cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-11 20:33:22,677 INFO L210 ultiparseSymbolTable]: Include resolver: [2018-04-11 20:33:22,677 INFO L215 ultiparseSymbolTable]: [2018-04-11 20:33:22,677 INFO L218 ultiparseSymbolTable]: Function table: [2018-04-11 20:33:22,678 INFO L221 ultiparseSymbolTable]: Function definition of __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i____bswap_64 ('__bswap_64') in openbsd_cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-11 20:33:22,678 INFO L221 ultiparseSymbolTable]: Function definition of __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i____bswap_32 ('__bswap_32') in openbsd_cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-11 20:33:22,678 INFO L221 ultiparseSymbolTable]: Function definition of __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i__cstrcpy ('cstrcpy') in openbsd_cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-11 20:33:22,678 INFO L221 ultiparseSymbolTable]: Function definition of null ('main') in openbsd_cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-11 20:33:22,678 INFO L227 ultiparseSymbolTable]: Global variable table: [2018-04-11 20:33:22,678 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i__fd_set in openbsd_cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-11 20:33:22,678 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i__pthread_rwlock_t in openbsd_cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-11 20:33:22,678 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i__uid_t in openbsd_cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-11 20:33:22,679 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i____id_t in openbsd_cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-11 20:33:22,679 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i__lldiv_t in openbsd_cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-11 20:33:22,679 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i____rlim64_t in openbsd_cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-11 20:33:22,679 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i____syscall_ulong_t in openbsd_cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-11 20:33:22,679 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i__blksize_t in openbsd_cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-11 20:33:22,679 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i____qaddr_t in openbsd_cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-11 20:33:22,679 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i____blksize_t in openbsd_cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-11 20:33:22,679 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i__fsblkcnt_t in openbsd_cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-11 20:33:22,679 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i____uint32_t in openbsd_cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-11 20:33:22,680 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i____caddr_t in openbsd_cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-11 20:33:22,680 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i__time_t in openbsd_cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-11 20:33:22,680 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i__div_t in openbsd_cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-11 20:33:22,680 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i____int32_t in openbsd_cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-11 20:33:22,680 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i____dev_t in openbsd_cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-11 20:33:22,680 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i____fsblkcnt_t in openbsd_cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-11 20:33:22,680 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i__int16_t in openbsd_cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-11 20:33:22,680 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i__pthread_key_t in openbsd_cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-11 20:33:22,681 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i__sigset_t in openbsd_cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-11 20:33:22,681 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i____u_short in openbsd_cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-11 20:33:22,681 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i__mode_t in openbsd_cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-11 20:33:22,681 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i__ulong in openbsd_cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-11 20:33:22,681 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i____u_long in openbsd_cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-11 20:33:22,681 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i__caddr_t in openbsd_cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-11 20:33:22,681 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i__ino_t in openbsd_cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-11 20:33:22,681 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i__clock_t in openbsd_cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-11 20:33:22,681 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i____uint16_t in openbsd_cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-11 20:33:22,682 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i__daddr_t in openbsd_cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-11 20:33:22,682 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i____fsid_t in openbsd_cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-11 20:33:22,682 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i__ldiv_t in openbsd_cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-11 20:33:22,682 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i____fsfilcnt64_t in openbsd_cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-11 20:33:22,682 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i__u_long in openbsd_cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-11 20:33:22,682 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i__pid_t in openbsd_cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-11 20:33:22,682 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i____syscall_slong_t in openbsd_cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-11 20:33:22,682 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i____int8_t in openbsd_cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-11 20:33:22,682 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i____loff_t in openbsd_cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-11 20:33:22,683 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i__int64_t in openbsd_cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-11 20:33:22,683 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i__fsid_t in openbsd_cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-11 20:33:22,683 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i__pthread_barrierattr_t in openbsd_cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-11 20:33:22,683 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i__register_t in openbsd_cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-11 20:33:22,683 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i____clock_t in openbsd_cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-11 20:33:22,683 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i__pthread_mutex_t in openbsd_cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-11 20:33:22,683 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i____WAIT_STATUS in openbsd_cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-11 20:33:22,683 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i____time_t in openbsd_cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-11 20:33:22,683 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i____uint8_t in openbsd_cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-11 20:33:22,684 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i____daddr_t in openbsd_cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-11 20:33:22,684 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i____key_t in openbsd_cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-11 20:33:22,684 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i__ushort in openbsd_cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-11 20:33:22,684 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i__int8_t in openbsd_cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-11 20:33:22,684 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i____fsfilcnt_t in openbsd_cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-11 20:33:22,684 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i__u_quad_t in openbsd_cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-11 20:33:22,684 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i__loff_t in openbsd_cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-11 20:33:22,684 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i__u_int64_t in openbsd_cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-11 20:33:22,684 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i__wchar_t in openbsd_cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-11 20:33:22,685 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i__uint in openbsd_cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-11 20:33:22,685 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i__nlink_t in openbsd_cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-11 20:33:22,685 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i__pthread_t in openbsd_cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-11 20:33:22,685 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i____int64_t in openbsd_cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-11 20:33:22,685 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i____useconds_t in openbsd_cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-11 20:33:22,685 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i__id_t in openbsd_cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-11 20:33:22,685 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i__dev_t in openbsd_cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-11 20:33:22,685 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i__pthread_condattr_t in openbsd_cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-11 20:33:22,685 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i__pthread_attr_t in openbsd_cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-11 20:33:22,685 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i____sig_atomic_t in openbsd_cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-11 20:33:22,685 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i__u_int8_t in openbsd_cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-11 20:33:22,686 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i____u_int in openbsd_cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-11 20:33:22,686 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i____fd_mask in openbsd_cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-11 20:33:22,686 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i__quad_t in openbsd_cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-11 20:33:22,686 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i____clockid_t in openbsd_cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-11 20:33:22,686 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i__clockid_t in openbsd_cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-11 20:33:22,686 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i____blkcnt_t in openbsd_cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-11 20:33:22,686 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i__pthread_cond_t in openbsd_cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-11 20:33:22,686 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i____sigset_t in openbsd_cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-11 20:33:22,686 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i__u_int16_t in openbsd_cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-11 20:33:22,687 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i__ssize_t in openbsd_cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-11 20:33:22,687 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i__suseconds_t in openbsd_cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-11 20:33:22,687 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i__pthread_once_t in openbsd_cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-11 20:33:22,687 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i____fsword_t in openbsd_cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-11 20:33:22,687 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i__pthread_spinlock_t in openbsd_cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-11 20:33:22,687 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i__fd_mask in openbsd_cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-11 20:33:22,687 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i____uint64_t in openbsd_cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-11 20:33:22,687 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i____ino_t in openbsd_cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-11 20:33:22,687 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i____uid_t in openbsd_cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-11 20:33:22,687 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i__gid_t in openbsd_cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-11 20:33:22,687 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i____ino64_t in openbsd_cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-11 20:33:22,688 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i__u_short in openbsd_cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-11 20:33:22,688 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i____socklen_t in openbsd_cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-11 20:33:22,688 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i__int32_t in openbsd_cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-11 20:33:22,688 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i____mode_t in openbsd_cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-11 20:33:22,688 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i__pthread_rwlockattr_t in openbsd_cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-11 20:33:22,688 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i____blkcnt64_t in openbsd_cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-11 20:33:22,688 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i____gid_t in openbsd_cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-11 20:33:22,688 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i__fsfilcnt_t in openbsd_cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-11 20:33:22,688 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i____int16_t in openbsd_cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-11 20:33:22,688 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i____off_t in openbsd_cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-11 20:33:22,688 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i____nlink_t in openbsd_cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-11 20:33:22,688 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i__off_t in openbsd_cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-11 20:33:22,688 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i____intptr_t in openbsd_cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-11 20:33:22,689 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i__size_t in openbsd_cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-11 20:33:22,689 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i__timer_t in openbsd_cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-11 20:33:22,689 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i__blkcnt_t in openbsd_cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-11 20:33:22,689 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i____ssize_t in openbsd_cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-11 20:33:22,689 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i__u_char in openbsd_cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-11 20:33:22,689 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i__key_t in openbsd_cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-11 20:33:22,689 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i__u_int32_t in openbsd_cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-11 20:33:22,689 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i____pthread_list_t in openbsd_cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-11 20:33:22,689 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i__u_int in openbsd_cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-11 20:33:22,689 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i____rlim_t in openbsd_cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-11 20:33:22,689 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i____timer_t in openbsd_cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-11 20:33:22,689 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i__pthread_barrier_t in openbsd_cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-11 20:33:22,689 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i____u_quad_t in openbsd_cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-11 20:33:22,689 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i____off64_t in openbsd_cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-11 20:33:22,689 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i____pid_t in openbsd_cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-11 20:33:22,689 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i____suseconds_t in openbsd_cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-11 20:33:22,689 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i__pthread_mutexattr_t in openbsd_cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-11 20:33:22,689 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i____u_char in openbsd_cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-11 20:33:22,689 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i____quad_t in openbsd_cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-11 20:33:22,690 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i____fsblkcnt64_t in openbsd_cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-11 20:33:22,702 INFO L330 CDTParser]: Deleted temporary CDT project at /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/data/FLAGf35aa4b26 [2018-04-11 20:33:22,705 INFO L304 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-04-11 20:33:22,706 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-04-11 20:33:22,707 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-04-11 20:33:22,707 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-04-11 20:33:22,712 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-04-11 20:33:22,713 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.04 08:33:22" (1/1) ... [2018-04-11 20:33:22,715 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@74e07ca7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 08:33:22, skipping insertion in model container [2018-04-11 20:33:22,716 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.04 08:33:22" (1/1) ... [2018-04-11 20:33:22,727 INFO L167 Dispatcher]: Using SV-COMP mode [2018-04-11 20:33:22,753 INFO L167 Dispatcher]: Using SV-COMP mode [2018-04-11 20:33:22,880 INFO L175 PostProcessor]: Settings: Checked method=main [2018-04-11 20:33:22,909 INFO L175 PostProcessor]: Settings: Checked method=main [2018-04-11 20:33:22,915 INFO L100 SccComputation]: Graph consists of 0 InCaSumBalls and 112 non ball SCCs. Number of states in SCCs 112. [2018-04-11 20:33:22,951 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 08:33:22 WrapperNode [2018-04-11 20:33:22,951 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-04-11 20:33:22,952 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-04-11 20:33:22,952 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-04-11 20:33:22,952 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-04-11 20:33:22,963 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 08:33:22" (1/1) ... [2018-04-11 20:33:22,963 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 08:33:22" (1/1) ... [2018-04-11 20:33:22,976 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 08:33:22" (1/1) ... [2018-04-11 20:33:22,976 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 08:33:22" (1/1) ... [2018-04-11 20:33:22,983 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 08:33:22" (1/1) ... [2018-04-11 20:33:22,987 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 08:33:22" (1/1) ... [2018-04-11 20:33:22,989 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 08:33:22" (1/1) ... [2018-04-11 20:33:22,993 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-04-11 20:33:22,993 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-04-11 20:33:22,993 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-04-11 20:33:22,993 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-04-11 20:33:22,994 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 08:33:22" (1/1) ... No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-04-11 20:33:23,074 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-04-11 20:33:23,074 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-04-11 20:33:23,074 INFO L136 BoogieDeclarations]: Found implementation of procedure __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i____bswap_32 [2018-04-11 20:33:23,074 INFO L136 BoogieDeclarations]: Found implementation of procedure __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i____bswap_64 [2018-04-11 20:33:23,075 INFO L136 BoogieDeclarations]: Found implementation of procedure __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i__cstrcpy [2018-04-11 20:33:23,075 INFO L136 BoogieDeclarations]: Found implementation of procedure main [2018-04-11 20:33:23,075 INFO L128 BoogieDeclarations]: Found specification of procedure __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i____bswap_32 [2018-04-11 20:33:23,075 INFO L128 BoogieDeclarations]: Found specification of procedure __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i____bswap_64 [2018-04-11 20:33:23,075 INFO L128 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2018-04-11 20:33:23,075 INFO L128 BoogieDeclarations]: Found specification of procedure atof [2018-04-11 20:33:23,075 INFO L128 BoogieDeclarations]: Found specification of procedure atoi [2018-04-11 20:33:23,075 INFO L128 BoogieDeclarations]: Found specification of procedure atol [2018-04-11 20:33:23,075 INFO L128 BoogieDeclarations]: Found specification of procedure atoll [2018-04-11 20:33:23,075 INFO L128 BoogieDeclarations]: Found specification of procedure strtod [2018-04-11 20:33:23,075 INFO L128 BoogieDeclarations]: Found specification of procedure strtof [2018-04-11 20:33:23,075 INFO L128 BoogieDeclarations]: Found specification of procedure strtold [2018-04-11 20:33:23,075 INFO L128 BoogieDeclarations]: Found specification of procedure strtol [2018-04-11 20:33:23,075 INFO L128 BoogieDeclarations]: Found specification of procedure strtoul [2018-04-11 20:33:23,076 INFO L128 BoogieDeclarations]: Found specification of procedure strtoq [2018-04-11 20:33:23,076 INFO L128 BoogieDeclarations]: Found specification of procedure strtouq [2018-04-11 20:33:23,076 INFO L128 BoogieDeclarations]: Found specification of procedure strtoll [2018-04-11 20:33:23,076 INFO L128 BoogieDeclarations]: Found specification of procedure strtoull [2018-04-11 20:33:23,076 INFO L128 BoogieDeclarations]: Found specification of procedure l64a [2018-04-11 20:33:23,076 INFO L128 BoogieDeclarations]: Found specification of procedure a64l [2018-04-11 20:33:23,076 INFO L128 BoogieDeclarations]: Found specification of procedure select [2018-04-11 20:33:23,076 INFO L128 BoogieDeclarations]: Found specification of procedure pselect [2018-04-11 20:33:23,076 INFO L128 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2018-04-11 20:33:23,076 INFO L128 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2018-04-11 20:33:23,076 INFO L128 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2018-04-11 20:33:23,076 INFO L128 BoogieDeclarations]: Found specification of procedure random [2018-04-11 20:33:23,076 INFO L128 BoogieDeclarations]: Found specification of procedure srandom [2018-04-11 20:33:23,076 INFO L128 BoogieDeclarations]: Found specification of procedure initstate [2018-04-11 20:33:23,076 INFO L128 BoogieDeclarations]: Found specification of procedure setstate [2018-04-11 20:33:23,076 INFO L128 BoogieDeclarations]: Found specification of procedure random_r [2018-04-11 20:33:23,077 INFO L128 BoogieDeclarations]: Found specification of procedure srandom_r [2018-04-11 20:33:23,077 INFO L128 BoogieDeclarations]: Found specification of procedure initstate_r [2018-04-11 20:33:23,077 INFO L128 BoogieDeclarations]: Found specification of procedure setstate_r [2018-04-11 20:33:23,077 INFO L128 BoogieDeclarations]: Found specification of procedure rand [2018-04-11 20:33:23,077 INFO L128 BoogieDeclarations]: Found specification of procedure srand [2018-04-11 20:33:23,077 INFO L128 BoogieDeclarations]: Found specification of procedure rand_r [2018-04-11 20:33:23,077 INFO L128 BoogieDeclarations]: Found specification of procedure drand48 [2018-04-11 20:33:23,077 INFO L128 BoogieDeclarations]: Found specification of procedure erand48 [2018-04-11 20:33:23,077 INFO L128 BoogieDeclarations]: Found specification of procedure lrand48 [2018-04-11 20:33:23,077 INFO L128 BoogieDeclarations]: Found specification of procedure nrand48 [2018-04-11 20:33:23,077 INFO L128 BoogieDeclarations]: Found specification of procedure mrand48 [2018-04-11 20:33:23,077 INFO L128 BoogieDeclarations]: Found specification of procedure jrand48 [2018-04-11 20:33:23,077 INFO L128 BoogieDeclarations]: Found specification of procedure srand48 [2018-04-11 20:33:23,077 INFO L128 BoogieDeclarations]: Found specification of procedure seed48 [2018-04-11 20:33:23,077 INFO L128 BoogieDeclarations]: Found specification of procedure lcong48 [2018-04-11 20:33:23,078 INFO L128 BoogieDeclarations]: Found specification of procedure drand48_r [2018-04-11 20:33:23,078 INFO L128 BoogieDeclarations]: Found specification of procedure erand48_r [2018-04-11 20:33:23,078 INFO L128 BoogieDeclarations]: Found specification of procedure lrand48_r [2018-04-11 20:33:23,078 INFO L128 BoogieDeclarations]: Found specification of procedure nrand48_r [2018-04-11 20:33:23,078 INFO L128 BoogieDeclarations]: Found specification of procedure mrand48_r [2018-04-11 20:33:23,078 INFO L128 BoogieDeclarations]: Found specification of procedure jrand48_r [2018-04-11 20:33:23,078 INFO L128 BoogieDeclarations]: Found specification of procedure srand48_r [2018-04-11 20:33:23,078 INFO L128 BoogieDeclarations]: Found specification of procedure seed48_r [2018-04-11 20:33:23,078 INFO L128 BoogieDeclarations]: Found specification of procedure lcong48_r [2018-04-11 20:33:23,078 INFO L128 BoogieDeclarations]: Found specification of procedure malloc [2018-04-11 20:33:23,078 INFO L128 BoogieDeclarations]: Found specification of procedure calloc [2018-04-11 20:33:23,078 INFO L128 BoogieDeclarations]: Found specification of procedure realloc [2018-04-11 20:33:23,078 INFO L128 BoogieDeclarations]: Found specification of procedure free [2018-04-11 20:33:23,078 INFO L128 BoogieDeclarations]: Found specification of procedure cfree [2018-04-11 20:33:23,078 INFO L128 BoogieDeclarations]: Found specification of procedure alloca [2018-04-11 20:33:23,078 INFO L128 BoogieDeclarations]: Found specification of procedure valloc [2018-04-11 20:33:23,079 INFO L128 BoogieDeclarations]: Found specification of procedure posix_memalign [2018-04-11 20:33:23,079 INFO L128 BoogieDeclarations]: Found specification of procedure abort [2018-04-11 20:33:23,079 INFO L128 BoogieDeclarations]: Found specification of procedure atexit [2018-04-11 20:33:23,079 INFO L128 BoogieDeclarations]: Found specification of procedure on_exit [2018-04-11 20:33:23,079 INFO L128 BoogieDeclarations]: Found specification of procedure exit [2018-04-11 20:33:23,079 INFO L128 BoogieDeclarations]: Found specification of procedure _Exit [2018-04-11 20:33:23,079 INFO L128 BoogieDeclarations]: Found specification of procedure getenv [2018-04-11 20:33:23,079 INFO L128 BoogieDeclarations]: Found specification of procedure putenv [2018-04-11 20:33:23,079 INFO L128 BoogieDeclarations]: Found specification of procedure setenv [2018-04-11 20:33:23,079 INFO L128 BoogieDeclarations]: Found specification of procedure unsetenv [2018-04-11 20:33:23,079 INFO L128 BoogieDeclarations]: Found specification of procedure clearenv [2018-04-11 20:33:23,079 INFO L128 BoogieDeclarations]: Found specification of procedure mktemp [2018-04-11 20:33:23,079 INFO L128 BoogieDeclarations]: Found specification of procedure mkstemp [2018-04-11 20:33:23,079 INFO L128 BoogieDeclarations]: Found specification of procedure mkstemps [2018-04-11 20:33:23,079 INFO L128 BoogieDeclarations]: Found specification of procedure mkdtemp [2018-04-11 20:33:23,080 INFO L128 BoogieDeclarations]: Found specification of procedure system [2018-04-11 20:33:23,080 INFO L128 BoogieDeclarations]: Found specification of procedure realpath [2018-04-11 20:33:23,080 INFO L128 BoogieDeclarations]: Found specification of procedure bsearch [2018-04-11 20:33:23,080 INFO L128 BoogieDeclarations]: Found specification of procedure qsort [2018-04-11 20:33:23,080 INFO L128 BoogieDeclarations]: Found specification of procedure abs [2018-04-11 20:33:23,080 INFO L128 BoogieDeclarations]: Found specification of procedure labs [2018-04-11 20:33:23,080 INFO L128 BoogieDeclarations]: Found specification of procedure llabs [2018-04-11 20:33:23,083 INFO L128 BoogieDeclarations]: Found specification of procedure div [2018-04-11 20:33:23,083 INFO L128 BoogieDeclarations]: Found specification of procedure ldiv [2018-04-11 20:33:23,083 INFO L128 BoogieDeclarations]: Found specification of procedure lldiv [2018-04-11 20:33:23,083 INFO L128 BoogieDeclarations]: Found specification of procedure ecvt [2018-04-11 20:33:23,083 INFO L128 BoogieDeclarations]: Found specification of procedure fcvt [2018-04-11 20:33:23,083 INFO L128 BoogieDeclarations]: Found specification of procedure gcvt [2018-04-11 20:33:23,083 INFO L128 BoogieDeclarations]: Found specification of procedure qecvt [2018-04-11 20:33:23,083 INFO L128 BoogieDeclarations]: Found specification of procedure qfcvt [2018-04-11 20:33:23,083 INFO L128 BoogieDeclarations]: Found specification of procedure qgcvt [2018-04-11 20:33:23,083 INFO L128 BoogieDeclarations]: Found specification of procedure ecvt_r [2018-04-11 20:33:23,083 INFO L128 BoogieDeclarations]: Found specification of procedure fcvt_r [2018-04-11 20:33:23,083 INFO L128 BoogieDeclarations]: Found specification of procedure qecvt_r [2018-04-11 20:33:23,083 INFO L128 BoogieDeclarations]: Found specification of procedure qfcvt_r [2018-04-11 20:33:23,083 INFO L128 BoogieDeclarations]: Found specification of procedure mblen [2018-04-11 20:33:23,083 INFO L128 BoogieDeclarations]: Found specification of procedure mbtowc [2018-04-11 20:33:23,083 INFO L128 BoogieDeclarations]: Found specification of procedure wctomb [2018-04-11 20:33:23,083 INFO L128 BoogieDeclarations]: Found specification of procedure mbstowcs [2018-04-11 20:33:23,083 INFO L128 BoogieDeclarations]: Found specification of procedure wcstombs [2018-04-11 20:33:23,084 INFO L128 BoogieDeclarations]: Found specification of procedure rpmatch [2018-04-11 20:33:23,084 INFO L128 BoogieDeclarations]: Found specification of procedure getsubopt [2018-04-11 20:33:23,084 INFO L128 BoogieDeclarations]: Found specification of procedure getloadavg [2018-04-11 20:33:23,084 INFO L128 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-04-11 20:33:23,084 INFO L128 BoogieDeclarations]: Found specification of procedure __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i__cstrcpy [2018-04-11 20:33:23,084 INFO L128 BoogieDeclarations]: Found specification of procedure read~int [2018-04-11 20:33:23,084 INFO L128 BoogieDeclarations]: Found specification of procedure write~int [2018-04-11 20:33:23,084 INFO L128 BoogieDeclarations]: Found specification of procedure main [2018-04-11 20:33:23,084 INFO L128 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-04-11 20:33:23,084 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-04-11 20:33:23,084 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-04-11 20:33:23,084 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-04-11 20:33:23,084 INFO L128 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2018-04-11 20:33:23,327 INFO L259 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-04-11 20:33:23,327 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.04 08:33:23 BoogieIcfgContainer [2018-04-11 20:33:23,327 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-04-11 20:33:23,328 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-04-11 20:33:23,328 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-04-11 20:33:23,329 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-04-11 20:33:23,330 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.04 08:33:22" (1/3) ... [2018-04-11 20:33:23,330 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@708df34c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.04 08:33:23, skipping insertion in model container [2018-04-11 20:33:23,330 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 08:33:22" (2/3) ... [2018-04-11 20:33:23,330 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@708df34c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.04 08:33:23, skipping insertion in model container [2018-04-11 20:33:23,330 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.04 08:33:23" (3/3) ... [2018-04-11 20:33:23,331 INFO L107 eAbstractionObserver]: Analyzing ICFG openbsd_cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-11 20:33:23,336 INFO L131 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-04-11 20:33:23,341 INFO L143 ceAbstractionStarter]: Appying trace abstraction to program that has 7 error locations. [2018-04-11 20:33:23,363 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2018-04-11 20:33:23,363 INFO L369 AbstractCegarLoop]: Interprodecural is true [2018-04-11 20:33:23,363 INFO L370 AbstractCegarLoop]: Hoare is false [2018-04-11 20:33:23,363 INFO L371 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-04-11 20:33:23,363 INFO L372 AbstractCegarLoop]: Backedges is TWOTRACK [2018-04-11 20:33:23,363 INFO L373 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-04-11 20:33:23,364 INFO L374 AbstractCegarLoop]: Difference is false [2018-04-11 20:33:23,364 INFO L375 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-04-11 20:33:23,364 INFO L380 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-04-11 20:33:23,364 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-04-11 20:33:23,371 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states. [2018-04-11 20:33:23,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-04-11 20:33:23,376 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 20:33:23,377 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 20:33:23,377 INFO L408 AbstractCegarLoop]: === Iteration 1 === [__U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i__cstrcpyErr1RequiresViolation, __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i__cstrcpyErr0RequiresViolation, __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i__cstrcpyErr2RequiresViolation, __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i__cstrcpyErr3RequiresViolation, mainErr1RequiresViolation, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-11 20:33:23,379 INFO L82 PathProgramCache]: Analyzing trace with hash 1015483767, now seen corresponding path program 1 times [2018-04-11 20:33:23,380 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-11 20:33:23,381 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-11 20:33:23,408 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 20:33:23,409 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-11 20:33:23,409 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 20:33:23,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 20:33:23,443 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 20:33:23,490 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 20:33:23,491 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-11 20:33:23,492 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-04-11 20:33:23,493 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-04-11 20:33:23,501 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-04-11 20:33:23,501 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-04-11 20:33:23,503 INFO L87 Difference]: Start difference. First operand 40 states. Second operand 4 states. [2018-04-11 20:33:23,542 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 20:33:23,542 INFO L93 Difference]: Finished difference Result 44 states and 47 transitions. [2018-04-11 20:33:23,543 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-04-11 20:33:23,544 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 10 [2018-04-11 20:33:23,544 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 20:33:23,549 INFO L225 Difference]: With dead ends: 44 [2018-04-11 20:33:23,549 INFO L226 Difference]: Without dead ends: 40 [2018-04-11 20:33:23,550 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-04-11 20:33:23,559 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40 states. [2018-04-11 20:33:23,567 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40 to 38. [2018-04-11 20:33:23,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 38 states. [2018-04-11 20:33:23,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 41 transitions. [2018-04-11 20:33:23,569 INFO L78 Accepts]: Start accepts. Automaton has 38 states and 41 transitions. Word has length 10 [2018-04-11 20:33:23,570 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 20:33:23,570 INFO L459 AbstractCegarLoop]: Abstraction has 38 states and 41 transitions. [2018-04-11 20:33:23,570 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-04-11 20:33:23,570 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 41 transitions. [2018-04-11 20:33:23,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-04-11 20:33:23,570 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 20:33:23,570 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 20:33:23,570 INFO L408 AbstractCegarLoop]: === Iteration 2 === [__U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i__cstrcpyErr1RequiresViolation, __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i__cstrcpyErr0RequiresViolation, __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i__cstrcpyErr2RequiresViolation, __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i__cstrcpyErr3RequiresViolation, mainErr1RequiresViolation, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-11 20:33:23,570 INFO L82 PathProgramCache]: Analyzing trace with hash 1015485689, now seen corresponding path program 1 times [2018-04-11 20:33:23,571 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-11 20:33:23,571 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-11 20:33:23,571 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 20:33:23,571 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-11 20:33:23,571 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 20:33:23,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 20:33:23,577 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 20:33:23,588 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 20:33:23,588 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-11 20:33:23,588 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-04-11 20:33:23,589 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-04-11 20:33:23,589 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-04-11 20:33:23,589 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-04-11 20:33:23,590 INFO L87 Difference]: Start difference. First operand 38 states and 41 transitions. Second operand 3 states. [2018-04-11 20:33:23,615 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 20:33:23,615 INFO L93 Difference]: Finished difference Result 39 states and 41 transitions. [2018-04-11 20:33:23,615 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-04-11 20:33:23,615 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 10 [2018-04-11 20:33:23,615 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 20:33:23,616 INFO L225 Difference]: With dead ends: 39 [2018-04-11 20:33:23,616 INFO L226 Difference]: Without dead ends: 38 [2018-04-11 20:33:23,616 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-04-11 20:33:23,616 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38 states. [2018-04-11 20:33:23,618 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38 to 37. [2018-04-11 20:33:23,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 37 states. [2018-04-11 20:33:23,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 39 transitions. [2018-04-11 20:33:23,619 INFO L78 Accepts]: Start accepts. Automaton has 37 states and 39 transitions. Word has length 10 [2018-04-11 20:33:23,619 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 20:33:23,619 INFO L459 AbstractCegarLoop]: Abstraction has 37 states and 39 transitions. [2018-04-11 20:33:23,619 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-04-11 20:33:23,620 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 39 transitions. [2018-04-11 20:33:23,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-04-11 20:33:23,620 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 20:33:23,620 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 20:33:23,620 INFO L408 AbstractCegarLoop]: === Iteration 3 === [__U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i__cstrcpyErr1RequiresViolation, __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i__cstrcpyErr0RequiresViolation, __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i__cstrcpyErr2RequiresViolation, __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i__cstrcpyErr3RequiresViolation, mainErr1RequiresViolation, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-11 20:33:23,621 INFO L82 PathProgramCache]: Analyzing trace with hash 1606378251, now seen corresponding path program 1 times [2018-04-11 20:33:23,621 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-11 20:33:23,621 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-11 20:33:23,622 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 20:33:23,622 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-11 20:33:23,622 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 20:33:23,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 20:33:23,635 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 20:33:23,661 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 20:33:23,661 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-11 20:33:23,661 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-04-11 20:33:23,661 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-04-11 20:33:23,661 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-04-11 20:33:23,662 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-04-11 20:33:23,662 INFO L87 Difference]: Start difference. First operand 37 states and 39 transitions. Second operand 4 states. [2018-04-11 20:33:23,701 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 20:33:23,701 INFO L93 Difference]: Finished difference Result 36 states and 38 transitions. [2018-04-11 20:33:23,701 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-04-11 20:33:23,702 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 14 [2018-04-11 20:33:23,702 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 20:33:23,702 INFO L225 Difference]: With dead ends: 36 [2018-04-11 20:33:23,702 INFO L226 Difference]: Without dead ends: 36 [2018-04-11 20:33:23,702 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-04-11 20:33:23,702 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36 states. [2018-04-11 20:33:23,704 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36 to 36. [2018-04-11 20:33:23,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 36 states. [2018-04-11 20:33:23,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 38 transitions. [2018-04-11 20:33:23,705 INFO L78 Accepts]: Start accepts. Automaton has 36 states and 38 transitions. Word has length 14 [2018-04-11 20:33:23,705 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 20:33:23,705 INFO L459 AbstractCegarLoop]: Abstraction has 36 states and 38 transitions. [2018-04-11 20:33:23,705 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-04-11 20:33:23,706 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 38 transitions. [2018-04-11 20:33:23,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-04-11 20:33:23,706 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 20:33:23,706 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 20:33:23,706 INFO L408 AbstractCegarLoop]: === Iteration 4 === [__U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i__cstrcpyErr1RequiresViolation, __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i__cstrcpyErr0RequiresViolation, __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i__cstrcpyErr2RequiresViolation, __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i__cstrcpyErr3RequiresViolation, mainErr1RequiresViolation, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-11 20:33:23,706 INFO L82 PathProgramCache]: Analyzing trace with hash 1606378252, now seen corresponding path program 1 times [2018-04-11 20:33:23,706 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-11 20:33:23,706 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-11 20:33:23,707 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 20:33:23,707 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-11 20:33:23,707 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 20:33:23,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 20:33:23,718 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 20:33:23,761 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 20:33:23,762 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-11 20:33:23,762 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-04-11 20:33:23,762 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-04-11 20:33:23,762 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-04-11 20:33:23,762 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-04-11 20:33:23,762 INFO L87 Difference]: Start difference. First operand 36 states and 38 transitions. Second operand 5 states. [2018-04-11 20:33:23,783 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 20:33:23,783 INFO L93 Difference]: Finished difference Result 35 states and 37 transitions. [2018-04-11 20:33:23,783 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-04-11 20:33:23,783 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 14 [2018-04-11 20:33:23,783 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 20:33:23,784 INFO L225 Difference]: With dead ends: 35 [2018-04-11 20:33:23,784 INFO L226 Difference]: Without dead ends: 35 [2018-04-11 20:33:23,784 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2018-04-11 20:33:23,784 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2018-04-11 20:33:23,785 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 35. [2018-04-11 20:33:23,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 35 states. [2018-04-11 20:33:23,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 37 transitions. [2018-04-11 20:33:23,786 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 37 transitions. Word has length 14 [2018-04-11 20:33:23,786 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 20:33:23,786 INFO L459 AbstractCegarLoop]: Abstraction has 35 states and 37 transitions. [2018-04-11 20:33:23,786 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-04-11 20:33:23,786 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 37 transitions. [2018-04-11 20:33:23,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-04-11 20:33:23,786 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 20:33:23,786 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 20:33:23,786 INFO L408 AbstractCegarLoop]: === Iteration 5 === [__U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i__cstrcpyErr1RequiresViolation, __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i__cstrcpyErr0RequiresViolation, __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i__cstrcpyErr2RequiresViolation, __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i__cstrcpyErr3RequiresViolation, mainErr1RequiresViolation, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-11 20:33:23,787 INFO L82 PathProgramCache]: Analyzing trace with hash -603948622, now seen corresponding path program 1 times [2018-04-11 20:33:23,787 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-11 20:33:23,787 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-11 20:33:23,788 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 20:33:23,788 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-11 20:33:23,788 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 20:33:23,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 20:33:23,799 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 20:33:23,824 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 20:33:23,825 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-11 20:33:23,825 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-04-11 20:33:23,825 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-04-11 20:33:23,825 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-04-11 20:33:23,825 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-04-11 20:33:23,825 INFO L87 Difference]: Start difference. First operand 35 states and 37 transitions. Second operand 5 states. [2018-04-11 20:33:23,863 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 20:33:23,863 INFO L93 Difference]: Finished difference Result 34 states and 36 transitions. [2018-04-11 20:33:23,863 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-04-11 20:33:23,864 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 18 [2018-04-11 20:33:23,864 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 20:33:23,864 INFO L225 Difference]: With dead ends: 34 [2018-04-11 20:33:23,864 INFO L226 Difference]: Without dead ends: 34 [2018-04-11 20:33:23,864 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-04-11 20:33:23,864 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34 states. [2018-04-11 20:33:23,865 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34 to 34. [2018-04-11 20:33:23,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 34 states. [2018-04-11 20:33:23,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 36 transitions. [2018-04-11 20:33:23,866 INFO L78 Accepts]: Start accepts. Automaton has 34 states and 36 transitions. Word has length 18 [2018-04-11 20:33:23,866 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 20:33:23,866 INFO L459 AbstractCegarLoop]: Abstraction has 34 states and 36 transitions. [2018-04-11 20:33:23,866 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-04-11 20:33:23,866 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 36 transitions. [2018-04-11 20:33:23,867 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-04-11 20:33:23,867 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 20:33:23,867 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 20:33:23,867 INFO L408 AbstractCegarLoop]: === Iteration 6 === [__U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i__cstrcpyErr1RequiresViolation, __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i__cstrcpyErr0RequiresViolation, __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i__cstrcpyErr2RequiresViolation, __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i__cstrcpyErr3RequiresViolation, mainErr1RequiresViolation, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-11 20:33:23,867 INFO L82 PathProgramCache]: Analyzing trace with hash -603948621, now seen corresponding path program 1 times [2018-04-11 20:33:23,867 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-11 20:33:23,867 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-11 20:33:23,868 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 20:33:23,868 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-11 20:33:23,868 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 20:33:23,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 20:33:23,875 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 20:33:23,933 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 20:33:23,933 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-11 20:33:23,933 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-04-11 20:33:23,934 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-04-11 20:33:23,934 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-04-11 20:33:23,934 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2018-04-11 20:33:23,934 INFO L87 Difference]: Start difference. First operand 34 states and 36 transitions. Second operand 8 states. [2018-04-11 20:33:24,018 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 20:33:24,018 INFO L93 Difference]: Finished difference Result 44 states and 47 transitions. [2018-04-11 20:33:24,018 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-04-11 20:33:24,018 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 18 [2018-04-11 20:33:24,018 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 20:33:24,020 INFO L225 Difference]: With dead ends: 44 [2018-04-11 20:33:24,020 INFO L226 Difference]: Without dead ends: 44 [2018-04-11 20:33:24,020 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2018-04-11 20:33:24,020 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44 states. [2018-04-11 20:33:24,022 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44 to 36. [2018-04-11 20:33:24,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 36 states. [2018-04-11 20:33:24,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 38 transitions. [2018-04-11 20:33:24,023 INFO L78 Accepts]: Start accepts. Automaton has 36 states and 38 transitions. Word has length 18 [2018-04-11 20:33:24,023 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 20:33:24,023 INFO L459 AbstractCegarLoop]: Abstraction has 36 states and 38 transitions. [2018-04-11 20:33:24,023 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-04-11 20:33:24,023 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 38 transitions. [2018-04-11 20:33:24,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-04-11 20:33:24,023 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 20:33:24,023 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 20:33:24,023 INFO L408 AbstractCegarLoop]: === Iteration 7 === [__U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i__cstrcpyErr1RequiresViolation, __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i__cstrcpyErr0RequiresViolation, __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i__cstrcpyErr2RequiresViolation, __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i__cstrcpyErr3RequiresViolation, mainErr1RequiresViolation, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-11 20:33:24,024 INFO L82 PathProgramCache]: Analyzing trace with hash -1542538081, now seen corresponding path program 1 times [2018-04-11 20:33:24,024 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-11 20:33:24,024 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-11 20:33:24,024 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 20:33:24,024 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-11 20:33:24,024 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 20:33:24,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 20:33:24,038 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 20:33:24,106 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 20:33:24,107 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-11 20:33:24,107 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-04-11 20:33:24,107 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-04-11 20:33:24,107 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-04-11 20:33:24,107 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2018-04-11 20:33:24,107 INFO L87 Difference]: Start difference. First operand 36 states and 38 transitions. Second operand 8 states. [2018-04-11 20:33:24,206 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 20:33:24,206 INFO L93 Difference]: Finished difference Result 43 states and 46 transitions. [2018-04-11 20:33:24,206 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-04-11 20:33:24,206 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 19 [2018-04-11 20:33:24,206 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 20:33:24,206 INFO L225 Difference]: With dead ends: 43 [2018-04-11 20:33:24,206 INFO L226 Difference]: Without dead ends: 43 [2018-04-11 20:33:24,207 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=98, Unknown=0, NotChecked=0, Total=132 [2018-04-11 20:33:24,207 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2018-04-11 20:33:24,208 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 37. [2018-04-11 20:33:24,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 37 states. [2018-04-11 20:33:24,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 40 transitions. [2018-04-11 20:33:24,209 INFO L78 Accepts]: Start accepts. Automaton has 37 states and 40 transitions. Word has length 19 [2018-04-11 20:33:24,209 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 20:33:24,209 INFO L459 AbstractCegarLoop]: Abstraction has 37 states and 40 transitions. [2018-04-11 20:33:24,209 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-04-11 20:33:24,209 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 40 transitions. [2018-04-11 20:33:24,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-04-11 20:33:24,209 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 20:33:24,209 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 20:33:24,209 INFO L408 AbstractCegarLoop]: === Iteration 8 === [__U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i__cstrcpyErr1RequiresViolation, __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i__cstrcpyErr0RequiresViolation, __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i__cstrcpyErr2RequiresViolation, __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i__cstrcpyErr3RequiresViolation, mainErr1RequiresViolation, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-11 20:33:24,209 INFO L82 PathProgramCache]: Analyzing trace with hash -1542538082, now seen corresponding path program 1 times [2018-04-11 20:33:24,209 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-11 20:33:24,209 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-11 20:33:24,210 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 20:33:24,210 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-11 20:33:24,210 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 20:33:24,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 20:33:24,216 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 20:33:24,260 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 20:33:24,260 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-11 20:33:24,260 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-04-11 20:33:24,260 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-04-11 20:33:24,260 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-04-11 20:33:24,260 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2018-04-11 20:33:24,260 INFO L87 Difference]: Start difference. First operand 37 states and 40 transitions. Second operand 8 states. [2018-04-11 20:33:24,301 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 20:33:24,301 INFO L93 Difference]: Finished difference Result 36 states and 38 transitions. [2018-04-11 20:33:24,301 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-04-11 20:33:24,301 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 19 [2018-04-11 20:33:24,301 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 20:33:24,302 INFO L225 Difference]: With dead ends: 36 [2018-04-11 20:33:24,302 INFO L226 Difference]: Without dead ends: 36 [2018-04-11 20:33:24,302 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2018-04-11 20:33:24,302 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36 states. [2018-04-11 20:33:24,303 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36 to 36. [2018-04-11 20:33:24,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 36 states. [2018-04-11 20:33:24,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 38 transitions. [2018-04-11 20:33:24,304 INFO L78 Accepts]: Start accepts. Automaton has 36 states and 38 transitions. Word has length 19 [2018-04-11 20:33:24,304 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 20:33:24,304 INFO L459 AbstractCegarLoop]: Abstraction has 36 states and 38 transitions. [2018-04-11 20:33:24,304 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-04-11 20:33:24,304 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 38 transitions. [2018-04-11 20:33:24,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-04-11 20:33:24,304 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 20:33:24,304 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] [2018-04-11 20:33:24,304 INFO L408 AbstractCegarLoop]: === Iteration 9 === [__U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i__cstrcpyErr1RequiresViolation, __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i__cstrcpyErr0RequiresViolation, __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i__cstrcpyErr2RequiresViolation, __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i__cstrcpyErr3RequiresViolation, mainErr1RequiresViolation, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-11 20:33:24,304 INFO L82 PathProgramCache]: Analyzing trace with hash 1326322050, now seen corresponding path program 1 times [2018-04-11 20:33:24,304 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-11 20:33:24,305 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-11 20:33:24,305 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 20:33:24,305 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-11 20:33:24,305 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 20:33:24,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 20:33:24,325 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 20:33:24,430 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 20:33:24,431 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-11 20:33:24,431 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-04-11 20:33:24,431 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-04-11 20:33:24,431 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-04-11 20:33:24,431 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2018-04-11 20:33:24,432 INFO L87 Difference]: Start difference. First operand 36 states and 38 transitions. Second operand 10 states. [2018-04-11 20:33:24,520 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 20:33:24,521 INFO L93 Difference]: Finished difference Result 58 states and 59 transitions. [2018-04-11 20:33:24,521 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-04-11 20:33:24,521 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 23 [2018-04-11 20:33:24,521 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 20:33:24,521 INFO L225 Difference]: With dead ends: 58 [2018-04-11 20:33:24,522 INFO L226 Difference]: Without dead ends: 58 [2018-04-11 20:33:24,522 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=50, Invalid=160, Unknown=0, NotChecked=0, Total=210 [2018-04-11 20:33:24,522 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58 states. [2018-04-11 20:33:24,524 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58 to 51. [2018-04-11 20:33:24,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 51 states. [2018-04-11 20:33:24,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 53 transitions. [2018-04-11 20:33:24,525 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 53 transitions. Word has length 23 [2018-04-11 20:33:24,525 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 20:33:24,525 INFO L459 AbstractCegarLoop]: Abstraction has 51 states and 53 transitions. [2018-04-11 20:33:24,526 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-04-11 20:33:24,526 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 53 transitions. [2018-04-11 20:33:24,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-04-11 20:33:24,526 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 20:33:24,526 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] [2018-04-11 20:33:24,526 INFO L408 AbstractCegarLoop]: === Iteration 10 === [__U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i__cstrcpyErr1RequiresViolation, __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i__cstrcpyErr0RequiresViolation, __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i__cstrcpyErr2RequiresViolation, __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i__cstrcpyErr3RequiresViolation, mainErr1RequiresViolation, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-11 20:33:24,526 INFO L82 PathProgramCache]: Analyzing trace with hash 305253696, now seen corresponding path program 1 times [2018-04-11 20:33:24,526 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-11 20:33:24,526 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-11 20:33:24,527 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 20:33:24,527 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-11 20:33:24,528 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 20:33:24,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 20:33:24,538 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 20:33:24,627 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 20:33:24,627 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-11 20:33:24,627 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2018-04-11 20:33:24,627 INFO L442 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-04-11 20:33:24,627 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-04-11 20:33:24,627 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=106, Unknown=0, NotChecked=0, Total=132 [2018-04-11 20:33:24,627 INFO L87 Difference]: Start difference. First operand 51 states and 53 transitions. Second operand 12 states. [2018-04-11 20:33:24,807 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 20:33:24,807 INFO L93 Difference]: Finished difference Result 88 states and 90 transitions. [2018-04-11 20:33:24,807 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-04-11 20:33:24,807 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 23 [2018-04-11 20:33:24,808 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 20:33:24,808 INFO L225 Difference]: With dead ends: 88 [2018-04-11 20:33:24,808 INFO L226 Difference]: Without dead ends: 88 [2018-04-11 20:33:24,809 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 72 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=101, Invalid=361, Unknown=0, NotChecked=0, Total=462 [2018-04-11 20:33:24,809 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 88 states. [2018-04-11 20:33:24,816 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 88 to 52. [2018-04-11 20:33:24,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 52 states. [2018-04-11 20:33:24,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 55 transitions. [2018-04-11 20:33:24,817 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 55 transitions. Word has length 23 [2018-04-11 20:33:24,817 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 20:33:24,817 INFO L459 AbstractCegarLoop]: Abstraction has 52 states and 55 transitions. [2018-04-11 20:33:24,817 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-04-11 20:33:24,817 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 55 transitions. [2018-04-11 20:33:24,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-04-11 20:33:24,818 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 20:33:24,818 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] [2018-04-11 20:33:24,819 INFO L408 AbstractCegarLoop]: === Iteration 11 === [__U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i__cstrcpyErr1RequiresViolation, __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i__cstrcpyErr0RequiresViolation, __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i__cstrcpyErr2RequiresViolation, __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i__cstrcpyErr3RequiresViolation, mainErr1RequiresViolation, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-11 20:33:24,819 INFO L82 PathProgramCache]: Analyzing trace with hash -1283094206, now seen corresponding path program 1 times [2018-04-11 20:33:24,819 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-11 20:33:24,819 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-11 20:33:24,820 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 20:33:24,820 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-11 20:33:24,820 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 20:33:24,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 20:33:24,830 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 20:33:24,941 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 20:33:24,941 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-04-11 20:33:24,941 INFO L213 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-04-11 20:33:24,947 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-11 20:33:24,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 20:33:24,974 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-11 20:33:25,007 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 11 [2018-04-11 20:33:25,009 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 10 [2018-04-11 20:33:25,009 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-11 20:33:25,011 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-11 20:33:25,014 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-11 20:33:25,015 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:25, output treesize:21 [2018-04-11 20:33:25,074 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 14 [2018-04-11 20:33:25,081 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 14 treesize of output 11 [2018-04-11 20:33:25,082 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 2 xjuncts. [2018-04-11 20:33:25,085 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-11 20:33:25,094 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2018-04-11 20:33:25,094 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:34, output treesize:33 [2018-04-11 20:33:25,157 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 20:33:25,175 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-11 20:33:25,175 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 8] total 16 [2018-04-11 20:33:25,175 INFO L442 AbstractCegarLoop]: Interpolant automaton has 17 states [2018-04-11 20:33:25,176 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2018-04-11 20:33:25,176 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=231, Unknown=0, NotChecked=0, Total=272 [2018-04-11 20:33:25,176 INFO L87 Difference]: Start difference. First operand 52 states and 55 transitions. Second operand 17 states. [2018-04-11 20:33:25,412 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 20:33:25,412 INFO L93 Difference]: Finished difference Result 66 states and 71 transitions. [2018-04-11 20:33:25,412 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-04-11 20:33:25,412 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 23 [2018-04-11 20:33:25,413 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 20:33:25,413 INFO L225 Difference]: With dead ends: 66 [2018-04-11 20:33:25,413 INFO L226 Difference]: Without dead ends: 66 [2018-04-11 20:33:25,413 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 75 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=84, Invalid=422, Unknown=0, NotChecked=0, Total=506 [2018-04-11 20:33:25,413 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66 states. [2018-04-11 20:33:25,415 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66 to 56. [2018-04-11 20:33:25,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 56 states. [2018-04-11 20:33:25,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 56 states and 60 transitions. [2018-04-11 20:33:25,416 INFO L78 Accepts]: Start accepts. Automaton has 56 states and 60 transitions. Word has length 23 [2018-04-11 20:33:25,416 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 20:33:25,416 INFO L459 AbstractCegarLoop]: Abstraction has 56 states and 60 transitions. [2018-04-11 20:33:25,416 INFO L460 AbstractCegarLoop]: Interpolant automaton has 17 states. [2018-04-11 20:33:25,416 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 60 transitions. [2018-04-11 20:33:25,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-04-11 20:33:25,416 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 20:33:25,416 INFO L355 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 20:33:25,417 INFO L408 AbstractCegarLoop]: === Iteration 12 === [__U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i__cstrcpyErr1RequiresViolation, __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i__cstrcpyErr0RequiresViolation, __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i__cstrcpyErr2RequiresViolation, __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i__cstrcpyErr3RequiresViolation, mainErr1RequiresViolation, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-11 20:33:25,417 INFO L82 PathProgramCache]: Analyzing trace with hash -1121214736, now seen corresponding path program 1 times [2018-04-11 20:33:25,417 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-11 20:33:25,417 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-11 20:33:25,417 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 20:33:25,417 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-11 20:33:25,417 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 20:33:25,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 20:33:25,426 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 20:33:25,576 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 20:33:25,576 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-04-11 20:33:25,577 INFO L213 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-04-11 20:33:25,588 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-11 20:33:25,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 20:33:25,604 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-11 20:33:25,611 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-04-11 20:33:25,611 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-11 20:33:25,617 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-04-11 20:33:25,617 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-11 20:33:25,620 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-11 20:33:25,621 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:19, output treesize:14 [2018-04-11 20:33:25,650 INFO L700 Elim1Store]: detected not equals via solver [2018-04-11 20:33:25,650 INFO L700 Elim1Store]: detected not equals via solver [2018-04-11 20:33:25,651 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 4 [2018-04-11 20:33:25,651 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-11 20:33:25,658 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 15 [2018-04-11 20:33:25,658 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-11 20:33:25,663 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-11 20:33:25,663 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:25, output treesize:15 [2018-04-11 20:33:25,857 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 20:33:25,873 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-11 20:33:25,873 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 12] total 21 [2018-04-11 20:33:25,874 INFO L442 AbstractCegarLoop]: Interpolant automaton has 22 states [2018-04-11 20:33:25,874 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2018-04-11 20:33:25,874 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=413, Unknown=0, NotChecked=0, Total=462 [2018-04-11 20:33:25,874 INFO L87 Difference]: Start difference. First operand 56 states and 60 transitions. Second operand 22 states. [2018-04-11 20:33:26,295 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 20:33:26,295 INFO L93 Difference]: Finished difference Result 64 states and 69 transitions. [2018-04-11 20:33:26,295 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-04-11 20:33:26,295 INFO L78 Accepts]: Start accepts. Automaton has 22 states. Word has length 24 [2018-04-11 20:33:26,296 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 20:33:26,296 INFO L225 Difference]: With dead ends: 64 [2018-04-11 20:33:26,296 INFO L226 Difference]: Without dead ends: 64 [2018-04-11 20:33:26,296 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 130 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=152, Invalid=970, Unknown=0, NotChecked=0, Total=1122 [2018-04-11 20:33:26,296 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64 states. [2018-04-11 20:33:26,298 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64 to 55. [2018-04-11 20:33:26,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 55 states. [2018-04-11 20:33:26,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 59 transitions. [2018-04-11 20:33:26,299 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 59 transitions. Word has length 24 [2018-04-11 20:33:26,299 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 20:33:26,299 INFO L459 AbstractCegarLoop]: Abstraction has 55 states and 59 transitions. [2018-04-11 20:33:26,299 INFO L460 AbstractCegarLoop]: Interpolant automaton has 22 states. [2018-04-11 20:33:26,299 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 59 transitions. [2018-04-11 20:33:26,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-04-11 20:33:26,300 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 20:33:26,300 INFO L355 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 20:33:26,300 INFO L408 AbstractCegarLoop]: === Iteration 13 === [__U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i__cstrcpyErr1RequiresViolation, __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i__cstrcpyErr0RequiresViolation, __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i__cstrcpyErr2RequiresViolation, __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i__cstrcpyErr3RequiresViolation, mainErr1RequiresViolation, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-11 20:33:26,300 INFO L82 PathProgramCache]: Analyzing trace with hash -278961325, now seen corresponding path program 2 times [2018-04-11 20:33:26,300 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-11 20:33:26,300 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-11 20:33:26,300 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 20:33:26,300 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-11 20:33:26,301 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 20:33:26,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 20:33:26,311 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 20:33:26,583 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 20:33:26,583 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-04-11 20:33:26,583 INFO L213 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-04-11 20:33:26,588 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST1 [2018-04-11 20:33:26,610 INFO L242 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2018-04-11 20:33:26,610 INFO L243 tOrderPrioritization]: Conjunction of SSA is unsat [2018-04-11 20:33:26,614 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-11 20:33:26,636 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-04-11 20:33:26,637 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-11 20:33:26,639 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-11 20:33:26,639 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2018-04-11 20:33:26,661 INFO L700 Elim1Store]: detected not equals via solver [2018-04-11 20:33:26,662 INFO L700 Elim1Store]: detected not equals via solver [2018-04-11 20:33:26,663 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 4 [2018-04-11 20:33:26,663 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-11 20:33:26,666 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-11 20:33:26,666 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:17, output treesize:11 [2018-04-11 20:33:26,695 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 11 [2018-04-11 20:33:26,697 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 10 [2018-04-11 20:33:26,697 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-11 20:33:26,699 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-11 20:33:26,704 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-11 20:33:26,705 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:32, output treesize:28 [2018-04-11 20:33:26,833 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 30 [2018-04-11 20:33:26,835 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 8 treesize of output 7 [2018-04-11 20:33:26,835 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-11 20:33:26,840 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-11 20:33:26,847 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 1 xjuncts. [2018-04-11 20:33:26,847 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:46, output treesize:42 [2018-04-11 20:33:26,966 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 41 treesize of output 35 [2018-04-11 20:33:26,976 INFO L700 Elim1Store]: detected not equals via solver [2018-04-11 20:33:26,981 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 31 treesize of output 33 [2018-04-11 20:33:26,982 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 2 xjuncts. [2018-04-11 20:33:27,004 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 21 [2018-04-11 20:33:27,005 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-04-11 20:33:27,006 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 17 [2018-04-11 20:33:27,007 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-11 20:33:27,015 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-11 20:33:27,027 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2018-04-11 20:33:27,027 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:60, output treesize:43 [2018-04-11 20:33:27,072 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 20:33:27,101 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-11 20:33:27,101 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 16] total 26 [2018-04-11 20:33:27,101 INFO L442 AbstractCegarLoop]: Interpolant automaton has 27 states [2018-04-11 20:33:27,102 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2018-04-11 20:33:27,102 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=635, Unknown=0, NotChecked=0, Total=702 [2018-04-11 20:33:27,102 INFO L87 Difference]: Start difference. First operand 55 states and 59 transitions. Second operand 27 states. [2018-04-11 20:33:28,220 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 20:33:28,220 INFO L93 Difference]: Finished difference Result 72 states and 78 transitions. [2018-04-11 20:33:28,220 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2018-04-11 20:33:28,221 INFO L78 Accepts]: Start accepts. Automaton has 27 states. Word has length 28 [2018-04-11 20:33:28,221 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 20:33:28,221 INFO L225 Difference]: With dead ends: 72 [2018-04-11 20:33:28,221 INFO L226 Difference]: Without dead ends: 72 [2018-04-11 20:33:28,222 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 284 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=189, Invalid=1533, Unknown=0, NotChecked=0, Total=1722 [2018-04-11 20:33:28,222 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 72 states. [2018-04-11 20:33:28,224 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 72 to 60. [2018-04-11 20:33:28,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 60 states. [2018-04-11 20:33:28,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 65 transitions. [2018-04-11 20:33:28,225 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 65 transitions. Word has length 28 [2018-04-11 20:33:28,225 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 20:33:28,225 INFO L459 AbstractCegarLoop]: Abstraction has 60 states and 65 transitions. [2018-04-11 20:33:28,225 INFO L460 AbstractCegarLoop]: Interpolant automaton has 27 states. [2018-04-11 20:33:28,226 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 65 transitions. [2018-04-11 20:33:28,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-04-11 20:33:28,226 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 20:33:28,226 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, 1] [2018-04-11 20:33:28,226 INFO L408 AbstractCegarLoop]: === Iteration 14 === [__U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i__cstrcpyErr1RequiresViolation, __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i__cstrcpyErr0RequiresViolation, __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i__cstrcpyErr2RequiresViolation, __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i__cstrcpyErr3RequiresViolation, mainErr1RequiresViolation, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-11 20:33:28,227 INFO L82 PathProgramCache]: Analyzing trace with hash 2129258862, now seen corresponding path program 1 times [2018-04-11 20:33:28,227 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-11 20:33:28,227 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-11 20:33:28,227 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 20:33:28,227 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-04-11 20:33:28,228 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 20:33:28,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 20:33:28,234 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 20:33:28,307 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 20:33:28,307 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-11 20:33:28,307 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-04-11 20:33:28,308 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-04-11 20:33:28,308 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-04-11 20:33:28,308 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-04-11 20:33:28,308 INFO L87 Difference]: Start difference. First operand 60 states and 65 transitions. Second operand 6 states. [2018-04-11 20:33:28,368 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 20:33:28,368 INFO L93 Difference]: Finished difference Result 59 states and 64 transitions. [2018-04-11 20:33:28,368 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-04-11 20:33:28,368 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 29 [2018-04-11 20:33:28,368 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 20:33:28,369 INFO L225 Difference]: With dead ends: 59 [2018-04-11 20:33:28,369 INFO L226 Difference]: Without dead ends: 34 [2018-04-11 20:33:28,369 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2018-04-11 20:33:28,369 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34 states. [2018-04-11 20:33:28,370 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34 to 34. [2018-04-11 20:33:28,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 34 states. [2018-04-11 20:33:28,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 34 transitions. [2018-04-11 20:33:28,371 INFO L78 Accepts]: Start accepts. Automaton has 34 states and 34 transitions. Word has length 29 [2018-04-11 20:33:28,371 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 20:33:28,371 INFO L459 AbstractCegarLoop]: Abstraction has 34 states and 34 transitions. [2018-04-11 20:33:28,371 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-04-11 20:33:28,371 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 34 transitions. [2018-04-11 20:33:28,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-04-11 20:33:28,372 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 20:33:28,372 INFO L355 BasicCegarLoop]: trace histogram [4, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 20:33:28,372 INFO L408 AbstractCegarLoop]: === Iteration 15 === [__U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i__cstrcpyErr1RequiresViolation, __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i__cstrcpyErr0RequiresViolation, __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i__cstrcpyErr2RequiresViolation, __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i__cstrcpyErr3RequiresViolation, mainErr1RequiresViolation, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-11 20:33:28,372 INFO L82 PathProgramCache]: Analyzing trace with hash 1352674274, now seen corresponding path program 3 times [2018-04-11 20:33:28,372 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-11 20:33:28,372 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-11 20:33:28,373 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 20:33:28,373 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-11 20:33:28,373 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 20:33:28,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 20:33:28,385 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 20:33:28,572 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-04-11 20:33:28,572 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-04-11 20:33:28,572 INFO L213 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-04-11 20:33:28,580 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST2 [2018-04-11 20:33:28,608 INFO L242 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2018-04-11 20:33:28,609 INFO L243 tOrderPrioritization]: Conjunction of SSA is unsat [2018-04-11 20:33:28,612 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-11 20:33:28,650 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-04-11 20:33:28,650 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-11 20:33:28,654 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-11 20:33:28,654 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:13, output treesize:12 [2018-04-11 20:33:28,690 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 13 [2018-04-11 20:33:28,692 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 12 [2018-04-11 20:33:28,692 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-11 20:33:28,694 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-11 20:33:28,698 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-11 20:33:28,698 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:23, output treesize:19 [2018-04-11 20:33:28,763 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 23 treesize of output 35 [2018-04-11 20:33:28,765 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 24 treesize of output 23 [2018-04-11 20:33:28,765 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-11 20:33:28,787 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 21 treesize of output 30 [2018-04-11 20:33:28,787 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 2 xjuncts. [2018-04-11 20:33:28,800 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-11 20:33:28,812 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2018-04-11 20:33:28,812 INFO L202 ElimStorePlain]: Needed 4 recursive calls to eliminate 2 variables, input treesize:29, output treesize:36 [2018-04-11 20:33:28,896 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 29 treesize of output 41 [2018-04-11 20:33:28,898 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 30 treesize of output 29 [2018-04-11 20:33:28,898 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-11 20:33:28,924 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 27 treesize of output 36 [2018-04-11 20:33:28,924 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 2 xjuncts. [2018-04-11 20:33:28,938 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-11 20:33:28,957 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 28 treesize of output 25 [2018-04-11 20:33:28,959 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 8 treesize of output 7 [2018-04-11 20:33:28,959 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-04-11 20:33:28,963 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-11 20:33:28,979 INFO L267 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 2 dim-2 vars, End of recursive call: and 3 xjuncts. [2018-04-11 20:33:28,979 INFO L202 ElimStorePlain]: Needed 6 recursive calls to eliminate 6 variables, input treesize:58, output treesize:40 [2018-04-11 20:33:29,033 WARN L307 Elim1Store]: Array PQE input equivalent to false [2018-04-11 20:33:29,034 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-11 20:33:29,039 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 15 [2018-04-11 20:33:29,043 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 15 treesize of output 12 [2018-04-11 20:33:29,043 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 2 xjuncts. [2018-04-11 20:33:29,045 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-11 20:33:29,049 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 2 xjuncts. [2018-04-11 20:33:29,049 INFO L202 ElimStorePlain]: Needed 4 recursive calls to eliminate 2 variables, input treesize:59, output treesize:34 [2018-04-11 20:33:29,115 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 20:33:29,132 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-11 20:33:29,132 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 15] total 27 [2018-04-11 20:33:29,132 INFO L442 AbstractCegarLoop]: Interpolant automaton has 28 states [2018-04-11 20:33:29,132 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2018-04-11 20:33:29,133 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=76, Invalid=680, Unknown=0, NotChecked=0, Total=756 [2018-04-11 20:33:29,133 INFO L87 Difference]: Start difference. First operand 34 states and 34 transitions. Second operand 28 states. [2018-04-11 20:33:29,893 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 20:33:29,893 INFO L93 Difference]: Finished difference Result 36 states and 36 transitions. [2018-04-11 20:33:29,893 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2018-04-11 20:33:29,894 INFO L78 Accepts]: Start accepts. Automaton has 28 states. Word has length 33 [2018-04-11 20:33:29,894 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 20:33:29,894 INFO L225 Difference]: With dead ends: 36 [2018-04-11 20:33:29,894 INFO L226 Difference]: Without dead ends: 0 [2018-04-11 20:33:29,894 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 45 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 371 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=272, Invalid=1890, Unknown=0, NotChecked=0, Total=2162 [2018-04-11 20:33:29,894 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-04-11 20:33:29,895 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-04-11 20:33:29,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-04-11 20:33:29,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-04-11 20:33:29,895 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 33 [2018-04-11 20:33:29,895 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 20:33:29,895 INFO L459 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-04-11 20:33:29,895 INFO L460 AbstractCegarLoop]: Interpolant automaton has 28 states. [2018-04-11 20:33:29,895 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-04-11 20:33:29,895 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-04-11 20:33:29,898 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.04 08:33:29 BoogieIcfgContainer [2018-04-11 20:33:29,898 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-04-11 20:33:29,898 INFO L168 Benchmark]: Toolchain (without parser) took 7192.70 ms. Allocated memory was 396.4 MB in the beginning and 758.6 MB in the end (delta: 362.3 MB). Free memory was 327.2 MB in the beginning and 616.9 MB in the end (delta: -289.7 MB). Peak memory consumption was 72.6 MB. Max. memory is 5.3 GB. [2018-04-11 20:33:29,899 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 396.4 MB. Free memory is still 353.1 MB. There was no memory consumed. Max. memory is 5.3 GB. [2018-04-11 20:33:29,899 INFO L168 Benchmark]: CACSL2BoogieTranslator took 244.44 ms. Allocated memory is still 396.4 MB. Free memory was 327.2 MB in the beginning and 302.8 MB in the end (delta: 24.4 MB). Peak memory consumption was 24.4 MB. Max. memory is 5.3 GB. [2018-04-11 20:33:29,899 INFO L168 Benchmark]: Boogie Preprocessor took 40.96 ms. Allocated memory is still 396.4 MB. Free memory was 302.8 MB in the beginning and 300.1 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 5.3 GB. [2018-04-11 20:33:29,900 INFO L168 Benchmark]: RCFGBuilder took 334.24 ms. Allocated memory was 396.4 MB in the beginning and 597.7 MB in the end (delta: 201.3 MB). Free memory was 300.1 MB in the beginning and 534.4 MB in the end (delta: -234.3 MB). Peak memory consumption was 25.1 MB. Max. memory is 5.3 GB. [2018-04-11 20:33:29,900 INFO L168 Benchmark]: TraceAbstraction took 6570.11 ms. Allocated memory was 597.7 MB in the beginning and 758.6 MB in the end (delta: 161.0 MB). Free memory was 534.4 MB in the beginning and 616.9 MB in the end (delta: -82.5 MB). Peak memory consumption was 78.5 MB. Max. memory is 5.3 GB. [2018-04-11 20:33:29,900 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 396.4 MB. Free memory is still 353.1 MB. There was no memory consumed. Max. memory is 5.3 GB. * CACSL2BoogieTranslator took 244.44 ms. Allocated memory is still 396.4 MB. Free memory was 327.2 MB in the beginning and 302.8 MB in the end (delta: 24.4 MB). Peak memory consumption was 24.4 MB. Max. memory is 5.3 GB. * Boogie Preprocessor took 40.96 ms. Allocated memory is still 396.4 MB. Free memory was 302.8 MB in the beginning and 300.1 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 5.3 GB. * RCFGBuilder took 334.24 ms. Allocated memory was 396.4 MB in the beginning and 597.7 MB in the end (delta: 201.3 MB). Free memory was 300.1 MB in the beginning and 534.4 MB in the end (delta: -234.3 MB). Peak memory consumption was 25.1 MB. Max. memory is 5.3 GB. * TraceAbstraction took 6570.11 ms. Allocated memory was 597.7 MB in the beginning and 758.6 MB in the end (delta: 161.0 MB). Free memory was 534.4 MB in the beginning and 616.9 MB in the end (delta: -82.5 MB). Peak memory consumption was 78.5 MB. Max. memory is 5.3 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 544]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 544]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 544]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 544]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 559]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 547]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - PositiveResult [Line: 559]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - AllSpecificationsHoldResult: All specifications hold 7 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 6 procedures, 46 locations, 7 error locations. SAFE Result, 6.5s OverallTime, 15 OverallIterations, 4 TraceHistogramMax, 3.2s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 411 SDtfs, 620 SDslu, 2032 SDs, 0 SdLazy, 1905 SolverSat, 213 SolverUnsat, 1 SolverUnknown, 0 SolverNotchecked, 1.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 307 GetRequests, 88 SyntacticMatches, 1 SemanticMatches, 218 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 984 ImplicationChecksByTransitivity, 3.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=60occurred in iteration=13, 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, 15 MinimizatonAttempts, 91 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 2.7s InterpolantComputationTime, 413 NumberOfCodeBlocks, 413 NumberOfCodeBlocksAsserted, 23 NumberOfCheckSat, 394 ConstructedInterpolants, 14 QuantifiedInterpolants, 86473 SizeOfPredicates, 39 NumberOfNonLiveVariables, 509 ConjunctsInSsa, 140 ConjunctsInUnsatCore, 19 InterpolantComputations, 11 PerfectInterpolantSequences, 9/74 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Written .csv to /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/openbsd_cstrcpy-alloca_true-valid-memsafety_true-termination.i_svcomp-DerefFreeMemtrack-32bit-Automizer_Camel.epf_AutomizerC.xml/Csv-Benchmark-0-2018-04-11_20-33-29-905.csv Written .csv to /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/openbsd_cstrcpy-alloca_true-valid-memsafety_true-termination.i_svcomp-DerefFreeMemtrack-32bit-Automizer_Camel.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-0-2018-04-11_20-33-29-905.csv Received shutdown request...