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_cstrlcpy-alloca_true-valid-memsafety_true-termination.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-408c70d-m [2018-04-12 10:23:43,208 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-04-12 10:23:43,210 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-04-12 10:23:43,224 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-04-12 10:23:43,224 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-04-12 10:23:43,225 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-04-12 10:23:43,226 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-04-12 10:23:43,227 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-04-12 10:23:43,229 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-04-12 10:23:43,229 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-04-12 10:23:43,230 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-04-12 10:23:43,230 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-04-12 10:23:43,231 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-04-12 10:23:43,232 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-04-12 10:23:43,233 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-04-12 10:23:43,235 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-04-12 10:23:43,236 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-04-12 10:23:43,238 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-04-12 10:23:43,238 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-04-12 10:23:43,239 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-04-12 10:23:43,241 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2018-04-12 10:23:43,246 INFO L98 SettingsManager]: Beginning loading settings from /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/cade18-smtinterpol/svcomp-DerefFreeMemtrack-32bit-Automizer_Camel.epf [2018-04-12 10:23:43,255 INFO L110 SettingsManager]: Loading preferences was successful [2018-04-12 10:23:43,256 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-04-12 10:23:43,256 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-04-12 10:23:43,257 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-04-12 10:23:43,257 INFO L133 SettingsManager]: * Use SBE=true [2018-04-12 10:23:43,257 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-04-12 10:23:43,257 INFO L133 SettingsManager]: * sizeof long=4 [2018-04-12 10:23:43,257 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-04-12 10:23:43,258 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-04-12 10:23:43,258 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-04-12 10:23:43,258 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-04-12 10:23:43,258 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-04-12 10:23:43,258 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2018-04-12 10:23:43,258 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-04-12 10:23:43,259 INFO L133 SettingsManager]: * sizeof long double=12 [2018-04-12 10:23:43,259 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-04-12 10:23:43,259 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-04-12 10:23:43,259 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-04-12 10:23:43,259 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-04-12 10:23:43,259 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-04-12 10:23:43,260 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-04-12 10:23:43,260 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-04-12 10:23:43,260 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-04-12 10:23:43,260 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Bitprecise bitfields -> false [2018-04-12 10:23:43,291 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-04-12 10:23:43,300 INFO L266 ainManager$Toolchain]: [Toolchain 1]: Parser(s) successfully (re)initialized [2018-04-12 10:23:43,304 INFO L222 ainManager$Toolchain]: [Toolchain 1]: Toolchain data selected. [2018-04-12 10:23:43,305 INFO L271 PluginConnector]: Initializing CDTParser... [2018-04-12 10:23:43,305 INFO L276 PluginConnector]: CDTParser initialized [2018-04-12 10:23:43,306 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/array-memsafety/openbsd_cstrlcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:23:43,616 INFO L225 CDTParser]: Created temporary CDT project at /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/data/FLAGa264b4eca [2018-04-12 10:23:43,753 INFO L287 CDTParser]: IsIndexed: true [2018-04-12 10:23:43,753 INFO L288 CDTParser]: Found 1 translation units. [2018-04-12 10:23:43,753 INFO L168 CDTParser]: Scanning openbsd_cstrlcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:23:43,761 INFO L210 ultiparseSymbolTable]: Include resolver: [2018-04-12 10:23:43,761 INFO L215 ultiparseSymbolTable]: [2018-04-12 10:23:43,761 INFO L218 ultiparseSymbolTable]: Function table: [2018-04-12 10:23:43,761 INFO L221 ultiparseSymbolTable]: Function definition of __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i____bswap_64 ('__bswap_64') in openbsd_cstrlcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:23:43,761 INFO L221 ultiparseSymbolTable]: Function definition of __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy ('cstrlcpy') in openbsd_cstrlcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:23:43,761 INFO L221 ultiparseSymbolTable]: Function definition of __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i____bswap_32 ('__bswap_32') in openbsd_cstrlcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:23:43,761 INFO L221 ultiparseSymbolTable]: Function definition of null ('main') in openbsd_cstrlcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:23:43,762 INFO L227 ultiparseSymbolTable]: Global variable table: [2018-04-12 10:23:43,762 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i____ssize_t in openbsd_cstrlcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:23:43,762 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i____mode_t in openbsd_cstrlcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:23:43,762 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__fsfilcnt_t in openbsd_cstrlcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:23:43,762 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i____intptr_t in openbsd_cstrlcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:23:43,762 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i____socklen_t in openbsd_cstrlcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:23:43,762 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__pid_t in openbsd_cstrlcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:23:43,762 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__int32_t in openbsd_cstrlcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:23:43,762 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__ino_t in openbsd_cstrlcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:23:43,762 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i____fsfilcnt64_t in openbsd_cstrlcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:23:43,763 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i____timer_t in openbsd_cstrlcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:23:43,763 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__size_t in openbsd_cstrlcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:23:43,763 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__key_t in openbsd_cstrlcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:23:43,763 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i____nlink_t in openbsd_cstrlcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:23:43,763 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__off_t in openbsd_cstrlcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:23:43,763 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i____int8_t in openbsd_cstrlcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:23:43,763 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__timer_t in openbsd_cstrlcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:23:43,763 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__caddr_t in openbsd_cstrlcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:23:43,763 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__mode_t in openbsd_cstrlcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:23:43,763 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__div_t in openbsd_cstrlcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:23:43,764 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i____u_short in openbsd_cstrlcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:23:43,764 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i____uint64_t in openbsd_cstrlcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:23:43,764 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__gid_t in openbsd_cstrlcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:23:43,764 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i____blkcnt64_t in openbsd_cstrlcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:23:43,764 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i____uid_t in openbsd_cstrlcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:23:43,764 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i____fsword_t in openbsd_cstrlcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:23:43,764 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__ssize_t in openbsd_cstrlcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:23:43,764 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__u_short in openbsd_cstrlcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:23:43,764 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i____qaddr_t in openbsd_cstrlcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:23:43,764 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i____dev_t in openbsd_cstrlcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:23:43,765 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i____fsblkcnt_t in openbsd_cstrlcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:23:43,765 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i____int64_t in openbsd_cstrlcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:23:43,765 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i____useconds_t in openbsd_cstrlcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:23:43,765 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__id_t in openbsd_cstrlcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:23:43,765 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__pthread_condattr_t in openbsd_cstrlcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:23:43,765 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i____blksize_t in openbsd_cstrlcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:23:43,765 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i____caddr_t in openbsd_cstrlcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:23:43,765 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__fd_set in openbsd_cstrlcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:23:43,765 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i____u_int in openbsd_cstrlcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:23:43,765 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__dev_t in openbsd_cstrlcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:23:43,766 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__time_t in openbsd_cstrlcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:23:43,766 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__pthread_rwlock_t in openbsd_cstrlcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:23:43,766 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__pthread_key_t in openbsd_cstrlcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:23:43,766 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__fsid_t in openbsd_cstrlcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:23:43,766 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__register_t in openbsd_cstrlcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:23:43,766 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i____clock_t in openbsd_cstrlcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:23:43,766 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i____daddr_t in openbsd_cstrlcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:23:43,766 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__pthread_barrierattr_t in openbsd_cstrlcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:23:43,766 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__int64_t in openbsd_cstrlcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:23:43,766 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__pthread_mutex_t in openbsd_cstrlcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:23:43,766 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__u_quad_t in openbsd_cstrlcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:23:43,767 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__ushort in openbsd_cstrlcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:23:43,767 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__ldiv_t in openbsd_cstrlcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:23:43,767 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i____rlim64_t in openbsd_cstrlcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:23:43,767 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i____fsfilcnt_t in openbsd_cstrlcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:23:43,767 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__u_int64_t in openbsd_cstrlcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:23:43,767 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i____key_t in openbsd_cstrlcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:23:43,767 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i____uint8_t in openbsd_cstrlcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:23:43,767 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__loff_t in openbsd_cstrlcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:23:43,767 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i____time_t in openbsd_cstrlcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:23:43,767 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__int8_t in openbsd_cstrlcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:23:43,768 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i____quad_t in openbsd_cstrlcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:23:43,768 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i____off_t in openbsd_cstrlcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:23:43,768 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i____fsid_t in openbsd_cstrlcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:23:43,768 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__u_long in openbsd_cstrlcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:23:43,768 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__clock_t in openbsd_cstrlcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:23:43,768 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__pthread_barrier_t in openbsd_cstrlcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:23:43,768 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i____uint16_t in openbsd_cstrlcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:23:43,768 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i____gid_t in openbsd_cstrlcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:23:43,768 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i____WAIT_STATUS in openbsd_cstrlcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:23:43,768 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i____syscall_slong_t in openbsd_cstrlcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:23:43,768 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__pthread_cond_t in openbsd_cstrlcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:23:43,769 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__u_char in openbsd_cstrlcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:23:43,769 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i____loff_t in openbsd_cstrlcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:23:43,769 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__daddr_t in openbsd_cstrlcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:23:43,769 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__quad_t in openbsd_cstrlcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:23:43,769 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__blkcnt_t in openbsd_cstrlcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:23:43,769 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__sigset_t in openbsd_cstrlcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:23:43,769 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__u_int16_t in openbsd_cstrlcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:23:43,769 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i____blkcnt_t in openbsd_cstrlcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:23:43,769 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__ulong in openbsd_cstrlcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:23:43,769 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__suseconds_t in openbsd_cstrlcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:23:43,769 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i____u_long in openbsd_cstrlcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:23:43,770 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i____int16_t in openbsd_cstrlcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:23:43,770 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__fd_mask in openbsd_cstrlcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:23:43,770 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__pthread_spinlock_t in openbsd_cstrlcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:23:43,770 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__pthread_rwlockattr_t in openbsd_cstrlcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:23:43,770 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i____ino_t in openbsd_cstrlcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:23:43,770 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i____sigset_t in openbsd_cstrlcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:23:43,770 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__uint in openbsd_cstrlcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:23:43,770 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i____ino64_t in openbsd_cstrlcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:23:43,770 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i____fd_mask in openbsd_cstrlcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:23:43,770 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__nlink_t in openbsd_cstrlcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:23:43,770 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__blksize_t in openbsd_cstrlcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:23:43,770 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__lldiv_t in openbsd_cstrlcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:23:43,770 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i____id_t in openbsd_cstrlcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:23:43,771 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__pthread_t in openbsd_cstrlcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:23:43,771 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i____syscall_ulong_t in openbsd_cstrlcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:23:43,771 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__int16_t in openbsd_cstrlcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:23:43,771 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i____uint32_t in openbsd_cstrlcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:23:43,771 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__pthread_attr_t in openbsd_cstrlcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:23:43,771 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__wchar_t in openbsd_cstrlcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:23:43,771 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__u_int8_t in openbsd_cstrlcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:23:43,771 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__pthread_once_t in openbsd_cstrlcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:23:43,771 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i____sig_atomic_t in openbsd_cstrlcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:23:43,771 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__uid_t in openbsd_cstrlcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:23:43,771 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i____clockid_t in openbsd_cstrlcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:23:43,771 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__clockid_t in openbsd_cstrlcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:23:43,771 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__u_int32_t in openbsd_cstrlcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:23:43,772 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__u_int in openbsd_cstrlcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:23:43,772 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i____int32_t in openbsd_cstrlcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:23:43,772 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i____pthread_list_t in openbsd_cstrlcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:23:43,772 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__fsblkcnt_t in openbsd_cstrlcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:23:43,772 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i____rlim_t in openbsd_cstrlcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:23:43,772 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i____pid_t in openbsd_cstrlcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:23:43,772 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i____u_quad_t in openbsd_cstrlcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:23:43,772 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__pthread_mutexattr_t in openbsd_cstrlcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:23:43,772 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i____fsblkcnt64_t in openbsd_cstrlcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:23:43,772 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i____u_char in openbsd_cstrlcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:23:43,772 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i____off64_t in openbsd_cstrlcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:23:43,773 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i____suseconds_t in openbsd_cstrlcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:23:43,784 INFO L330 CDTParser]: Deleted temporary CDT project at /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/data/FLAGa264b4eca [2018-04-12 10:23:43,787 INFO L304 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-04-12 10:23:43,788 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-04-12 10:23:43,789 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-04-12 10:23:43,789 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-04-12 10:23:43,792 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-04-12 10:23:43,793 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.04 10:23:43" (1/1) ... [2018-04-12 10:23:43,794 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5c5d46a9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.04 10:23:43, skipping insertion in model container [2018-04-12 10:23:43,795 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.04 10:23:43" (1/1) ... [2018-04-12 10:23:43,806 INFO L167 Dispatcher]: Using SV-COMP mode [2018-04-12 10:23:43,829 INFO L167 Dispatcher]: Using SV-COMP mode [2018-04-12 10:23:43,979 INFO L175 PostProcessor]: Settings: Checked method=main [2018-04-12 10:23:44,017 INFO L175 PostProcessor]: Settings: Checked method=main [2018-04-12 10:23:44,022 INFO L100 SccComputation]: Graph consists of 0 InCaSumBalls and 112 non ball SCCs. Number of states in SCCs 112. [2018-04-12 10:23:44,056 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.04 10:23:44 WrapperNode [2018-04-12 10:23:44,056 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-04-12 10:23:44,057 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-04-12 10:23:44,057 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-04-12 10:23:44,057 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-04-12 10:23:44,065 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.04 10:23:44" (1/1) ... [2018-04-12 10:23:44,065 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.04 10:23:44" (1/1) ... [2018-04-12 10:23:44,076 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.04 10:23:44" (1/1) ... [2018-04-12 10:23:44,076 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.04 10:23:44" (1/1) ... [2018-04-12 10:23:44,085 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.04 10:23:44" (1/1) ... [2018-04-12 10:23:44,090 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.04 10:23:44" (1/1) ... [2018-04-12 10:23:44,092 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.04 10:23:44" (1/1) ... [2018-04-12 10:23:44,096 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-04-12 10:23:44,096 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-04-12 10:23:44,096 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-04-12 10:23:44,096 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-04-12 10:23:44,097 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.04 10:23:44" (1/1) ... No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-04-12 10:23:44,187 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-04-12 10:23:44,187 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-04-12 10:23:44,187 INFO L136 BoogieDeclarations]: Found implementation of procedure __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i____bswap_32 [2018-04-12 10:23:44,187 INFO L136 BoogieDeclarations]: Found implementation of procedure __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i____bswap_64 [2018-04-12 10:23:44,187 INFO L136 BoogieDeclarations]: Found implementation of procedure __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy [2018-04-12 10:23:44,188 INFO L136 BoogieDeclarations]: Found implementation of procedure main [2018-04-12 10:23:44,188 INFO L128 BoogieDeclarations]: Found specification of procedure __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i____bswap_32 [2018-04-12 10:23:44,188 INFO L128 BoogieDeclarations]: Found specification of procedure __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i____bswap_64 [2018-04-12 10:23:44,188 INFO L128 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2018-04-12 10:23:44,188 INFO L128 BoogieDeclarations]: Found specification of procedure atof [2018-04-12 10:23:44,188 INFO L128 BoogieDeclarations]: Found specification of procedure atoi [2018-04-12 10:23:44,188 INFO L128 BoogieDeclarations]: Found specification of procedure atol [2018-04-12 10:23:44,188 INFO L128 BoogieDeclarations]: Found specification of procedure atoll [2018-04-12 10:23:44,188 INFO L128 BoogieDeclarations]: Found specification of procedure strtod [2018-04-12 10:23:44,188 INFO L128 BoogieDeclarations]: Found specification of procedure strtof [2018-04-12 10:23:44,188 INFO L128 BoogieDeclarations]: Found specification of procedure strtold [2018-04-12 10:23:44,188 INFO L128 BoogieDeclarations]: Found specification of procedure strtol [2018-04-12 10:23:44,189 INFO L128 BoogieDeclarations]: Found specification of procedure strtoul [2018-04-12 10:23:44,189 INFO L128 BoogieDeclarations]: Found specification of procedure strtoq [2018-04-12 10:23:44,189 INFO L128 BoogieDeclarations]: Found specification of procedure strtouq [2018-04-12 10:23:44,189 INFO L128 BoogieDeclarations]: Found specification of procedure strtoll [2018-04-12 10:23:44,189 INFO L128 BoogieDeclarations]: Found specification of procedure strtoull [2018-04-12 10:23:44,189 INFO L128 BoogieDeclarations]: Found specification of procedure l64a [2018-04-12 10:23:44,189 INFO L128 BoogieDeclarations]: Found specification of procedure a64l [2018-04-12 10:23:44,189 INFO L128 BoogieDeclarations]: Found specification of procedure select [2018-04-12 10:23:44,189 INFO L128 BoogieDeclarations]: Found specification of procedure pselect [2018-04-12 10:23:44,189 INFO L128 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2018-04-12 10:23:44,189 INFO L128 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2018-04-12 10:23:44,190 INFO L128 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2018-04-12 10:23:44,190 INFO L128 BoogieDeclarations]: Found specification of procedure random [2018-04-12 10:23:44,190 INFO L128 BoogieDeclarations]: Found specification of procedure srandom [2018-04-12 10:23:44,190 INFO L128 BoogieDeclarations]: Found specification of procedure initstate [2018-04-12 10:23:44,190 INFO L128 BoogieDeclarations]: Found specification of procedure setstate [2018-04-12 10:23:44,190 INFO L128 BoogieDeclarations]: Found specification of procedure random_r [2018-04-12 10:23:44,190 INFO L128 BoogieDeclarations]: Found specification of procedure srandom_r [2018-04-12 10:23:44,190 INFO L128 BoogieDeclarations]: Found specification of procedure initstate_r [2018-04-12 10:23:44,190 INFO L128 BoogieDeclarations]: Found specification of procedure setstate_r [2018-04-12 10:23:44,190 INFO L128 BoogieDeclarations]: Found specification of procedure rand [2018-04-12 10:23:44,191 INFO L128 BoogieDeclarations]: Found specification of procedure srand [2018-04-12 10:23:44,191 INFO L128 BoogieDeclarations]: Found specification of procedure rand_r [2018-04-12 10:23:44,191 INFO L128 BoogieDeclarations]: Found specification of procedure drand48 [2018-04-12 10:23:44,191 INFO L128 BoogieDeclarations]: Found specification of procedure erand48 [2018-04-12 10:23:44,191 INFO L128 BoogieDeclarations]: Found specification of procedure lrand48 [2018-04-12 10:23:44,191 INFO L128 BoogieDeclarations]: Found specification of procedure nrand48 [2018-04-12 10:23:44,191 INFO L128 BoogieDeclarations]: Found specification of procedure mrand48 [2018-04-12 10:23:44,191 INFO L128 BoogieDeclarations]: Found specification of procedure jrand48 [2018-04-12 10:23:44,191 INFO L128 BoogieDeclarations]: Found specification of procedure srand48 [2018-04-12 10:23:44,192 INFO L128 BoogieDeclarations]: Found specification of procedure seed48 [2018-04-12 10:23:44,192 INFO L128 BoogieDeclarations]: Found specification of procedure lcong48 [2018-04-12 10:23:44,192 INFO L128 BoogieDeclarations]: Found specification of procedure drand48_r [2018-04-12 10:23:44,192 INFO L128 BoogieDeclarations]: Found specification of procedure erand48_r [2018-04-12 10:23:44,192 INFO L128 BoogieDeclarations]: Found specification of procedure lrand48_r [2018-04-12 10:23:44,192 INFO L128 BoogieDeclarations]: Found specification of procedure nrand48_r [2018-04-12 10:23:44,192 INFO L128 BoogieDeclarations]: Found specification of procedure mrand48_r [2018-04-12 10:23:44,192 INFO L128 BoogieDeclarations]: Found specification of procedure jrand48_r [2018-04-12 10:23:44,192 INFO L128 BoogieDeclarations]: Found specification of procedure srand48_r [2018-04-12 10:23:44,192 INFO L128 BoogieDeclarations]: Found specification of procedure seed48_r [2018-04-12 10:23:44,193 INFO L128 BoogieDeclarations]: Found specification of procedure lcong48_r [2018-04-12 10:23:44,193 INFO L128 BoogieDeclarations]: Found specification of procedure malloc [2018-04-12 10:23:44,193 INFO L128 BoogieDeclarations]: Found specification of procedure calloc [2018-04-12 10:23:44,193 INFO L128 BoogieDeclarations]: Found specification of procedure realloc [2018-04-12 10:23:44,193 INFO L128 BoogieDeclarations]: Found specification of procedure free [2018-04-12 10:23:44,193 INFO L128 BoogieDeclarations]: Found specification of procedure cfree [2018-04-12 10:23:44,193 INFO L128 BoogieDeclarations]: Found specification of procedure alloca [2018-04-12 10:23:44,193 INFO L128 BoogieDeclarations]: Found specification of procedure valloc [2018-04-12 10:23:44,193 INFO L128 BoogieDeclarations]: Found specification of procedure posix_memalign [2018-04-12 10:23:44,193 INFO L128 BoogieDeclarations]: Found specification of procedure abort [2018-04-12 10:23:44,193 INFO L128 BoogieDeclarations]: Found specification of procedure atexit [2018-04-12 10:23:44,194 INFO L128 BoogieDeclarations]: Found specification of procedure on_exit [2018-04-12 10:23:44,194 INFO L128 BoogieDeclarations]: Found specification of procedure exit [2018-04-12 10:23:44,194 INFO L128 BoogieDeclarations]: Found specification of procedure _Exit [2018-04-12 10:23:44,194 INFO L128 BoogieDeclarations]: Found specification of procedure getenv [2018-04-12 10:23:44,194 INFO L128 BoogieDeclarations]: Found specification of procedure putenv [2018-04-12 10:23:44,194 INFO L128 BoogieDeclarations]: Found specification of procedure setenv [2018-04-12 10:23:44,194 INFO L128 BoogieDeclarations]: Found specification of procedure unsetenv [2018-04-12 10:23:44,194 INFO L128 BoogieDeclarations]: Found specification of procedure clearenv [2018-04-12 10:23:44,194 INFO L128 BoogieDeclarations]: Found specification of procedure mktemp [2018-04-12 10:23:44,194 INFO L128 BoogieDeclarations]: Found specification of procedure mkstemp [2018-04-12 10:23:44,194 INFO L128 BoogieDeclarations]: Found specification of procedure mkstemps [2018-04-12 10:23:44,194 INFO L128 BoogieDeclarations]: Found specification of procedure mkdtemp [2018-04-12 10:23:44,194 INFO L128 BoogieDeclarations]: Found specification of procedure system [2018-04-12 10:23:44,194 INFO L128 BoogieDeclarations]: Found specification of procedure realpath [2018-04-12 10:23:44,194 INFO L128 BoogieDeclarations]: Found specification of procedure bsearch [2018-04-12 10:23:44,194 INFO L128 BoogieDeclarations]: Found specification of procedure qsort [2018-04-12 10:23:44,194 INFO L128 BoogieDeclarations]: Found specification of procedure abs [2018-04-12 10:23:44,194 INFO L128 BoogieDeclarations]: Found specification of procedure labs [2018-04-12 10:23:44,194 INFO L128 BoogieDeclarations]: Found specification of procedure llabs [2018-04-12 10:23:44,195 INFO L128 BoogieDeclarations]: Found specification of procedure div [2018-04-12 10:23:44,195 INFO L128 BoogieDeclarations]: Found specification of procedure ldiv [2018-04-12 10:23:44,195 INFO L128 BoogieDeclarations]: Found specification of procedure lldiv [2018-04-12 10:23:44,195 INFO L128 BoogieDeclarations]: Found specification of procedure ecvt [2018-04-12 10:23:44,195 INFO L128 BoogieDeclarations]: Found specification of procedure fcvt [2018-04-12 10:23:44,195 INFO L128 BoogieDeclarations]: Found specification of procedure gcvt [2018-04-12 10:23:44,195 INFO L128 BoogieDeclarations]: Found specification of procedure qecvt [2018-04-12 10:23:44,195 INFO L128 BoogieDeclarations]: Found specification of procedure qfcvt [2018-04-12 10:23:44,195 INFO L128 BoogieDeclarations]: Found specification of procedure qgcvt [2018-04-12 10:23:44,195 INFO L128 BoogieDeclarations]: Found specification of procedure ecvt_r [2018-04-12 10:23:44,195 INFO L128 BoogieDeclarations]: Found specification of procedure fcvt_r [2018-04-12 10:23:44,195 INFO L128 BoogieDeclarations]: Found specification of procedure qecvt_r [2018-04-12 10:23:44,195 INFO L128 BoogieDeclarations]: Found specification of procedure qfcvt_r [2018-04-12 10:23:44,195 INFO L128 BoogieDeclarations]: Found specification of procedure mblen [2018-04-12 10:23:44,196 INFO L128 BoogieDeclarations]: Found specification of procedure mbtowc [2018-04-12 10:23:44,196 INFO L128 BoogieDeclarations]: Found specification of procedure wctomb [2018-04-12 10:23:44,196 INFO L128 BoogieDeclarations]: Found specification of procedure mbstowcs [2018-04-12 10:23:44,196 INFO L128 BoogieDeclarations]: Found specification of procedure wcstombs [2018-04-12 10:23:44,196 INFO L128 BoogieDeclarations]: Found specification of procedure rpmatch [2018-04-12 10:23:44,196 INFO L128 BoogieDeclarations]: Found specification of procedure getsubopt [2018-04-12 10:23:44,196 INFO L128 BoogieDeclarations]: Found specification of procedure getloadavg [2018-04-12 10:23:44,196 INFO L128 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-04-12 10:23:44,196 INFO L128 BoogieDeclarations]: Found specification of procedure __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpy [2018-04-12 10:23:44,196 INFO L128 BoogieDeclarations]: Found specification of procedure read~int [2018-04-12 10:23:44,196 INFO L128 BoogieDeclarations]: Found specification of procedure write~int [2018-04-12 10:23:44,197 INFO L128 BoogieDeclarations]: Found specification of procedure main [2018-04-12 10:23:44,197 INFO L128 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-04-12 10:23:44,197 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-04-12 10:23:44,197 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-04-12 10:23:44,197 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-04-12 10:23:44,197 INFO L128 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2018-04-12 10:23:44,475 INFO L259 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-04-12 10:23:44,475 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.04 10:23:44 BoogieIcfgContainer [2018-04-12 10:23:44,475 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-04-12 10:23:44,476 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-04-12 10:23:44,476 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-04-12 10:23:44,478 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-04-12 10:23:44,478 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.04 10:23:43" (1/3) ... [2018-04-12 10:23:44,479 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@773d2480 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.04 10:23:44, skipping insertion in model container [2018-04-12 10:23:44,479 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.04 10:23:44" (2/3) ... [2018-04-12 10:23:44,479 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@773d2480 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.04 10:23:44, skipping insertion in model container [2018-04-12 10:23:44,479 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.04 10:23:44" (3/3) ... [2018-04-12 10:23:44,481 INFO L107 eAbstractionObserver]: Analyzing ICFG openbsd_cstrlcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:23:44,487 INFO L131 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-04-12 10:23:44,492 INFO L143 ceAbstractionStarter]: Appying trace abstraction to program that has 13 error locations. [2018-04-12 10:23:44,523 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2018-04-12 10:23:44,523 INFO L369 AbstractCegarLoop]: Interprodecural is true [2018-04-12 10:23:44,523 INFO L370 AbstractCegarLoop]: Hoare is false [2018-04-12 10:23:44,523 INFO L371 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-04-12 10:23:44,524 INFO L372 AbstractCegarLoop]: Backedges is TWOTRACK [2018-04-12 10:23:44,524 INFO L373 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-04-12 10:23:44,524 INFO L374 AbstractCegarLoop]: Difference is false [2018-04-12 10:23:44,524 INFO L375 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-04-12 10:23:44,524 INFO L380 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-04-12 10:23:44,525 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-04-12 10:23:44,533 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states. [2018-04-12 10:23:44,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-04-12 10:23:44,539 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 10:23:44,540 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 10:23:44,540 INFO L408 AbstractCegarLoop]: === Iteration 1 === [__U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpyErr5RequiresViolation, __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpyErr3RequiresViolation, __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpyErr1RequiresViolation, __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpyErr7RequiresViolation, __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpyErr2RequiresViolation, __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpyErr4RequiresViolation, __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpyErr6RequiresViolation, __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpyErr0RequiresViolation, mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-12 10:23:44,542 INFO L82 PathProgramCache]: Analyzing trace with hash -1063371436, now seen corresponding path program 1 times [2018-04-12 10:23:44,543 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-12 10:23:44,544 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-12 10:23:44,572 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 10:23:44,572 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-12 10:23:44,572 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 10:23:44,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 10:23:44,609 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 10:23:44,674 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 10:23:44,677 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-12 10:23:44,677 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-04-12 10:23:44,678 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-04-12 10:23:44,690 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-04-12 10:23:44,691 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-04-12 10:23:44,693 INFO L87 Difference]: Start difference. First operand 55 states. Second operand 4 states. [2018-04-12 10:23:44,753 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 10:23:44,753 INFO L93 Difference]: Finished difference Result 54 states and 61 transitions. [2018-04-12 10:23:44,753 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-04-12 10:23:44,754 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 13 [2018-04-12 10:23:44,754 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 10:23:44,760 INFO L225 Difference]: With dead ends: 54 [2018-04-12 10:23:44,760 INFO L226 Difference]: Without dead ends: 51 [2018-04-12 10:23:44,762 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-04-12 10:23:44,772 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states. [2018-04-12 10:23:44,783 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 51. [2018-04-12 10:23:44,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 51 states. [2018-04-12 10:23:44,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 58 transitions. [2018-04-12 10:23:44,786 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 58 transitions. Word has length 13 [2018-04-12 10:23:44,787 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 10:23:44,787 INFO L459 AbstractCegarLoop]: Abstraction has 51 states and 58 transitions. [2018-04-12 10:23:44,787 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-04-12 10:23:44,787 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 58 transitions. [2018-04-12 10:23:44,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-04-12 10:23:44,787 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 10:23:44,788 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 10:23:44,788 INFO L408 AbstractCegarLoop]: === Iteration 2 === [__U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpyErr5RequiresViolation, __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpyErr3RequiresViolation, __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpyErr1RequiresViolation, __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpyErr7RequiresViolation, __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpyErr2RequiresViolation, __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpyErr4RequiresViolation, __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpyErr6RequiresViolation, __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpyErr0RequiresViolation, mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-12 10:23:44,788 INFO L82 PathProgramCache]: Analyzing trace with hash -1063371435, now seen corresponding path program 1 times [2018-04-12 10:23:44,788 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-12 10:23:44,788 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-12 10:23:44,789 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 10:23:44,789 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-12 10:23:44,789 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 10:23:44,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 10:23:44,805 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 10:23:44,870 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 10:23:44,870 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-12 10:23:44,870 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-04-12 10:23:44,871 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-04-12 10:23:44,871 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-04-12 10:23:44,871 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2018-04-12 10:23:44,872 INFO L87 Difference]: Start difference. First operand 51 states and 58 transitions. Second operand 6 states. [2018-04-12 10:23:44,909 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 10:23:44,909 INFO L93 Difference]: Finished difference Result 50 states and 57 transitions. [2018-04-12 10:23:44,910 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-04-12 10:23:44,910 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 13 [2018-04-12 10:23:44,910 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 10:23:44,910 INFO L225 Difference]: With dead ends: 50 [2018-04-12 10:23:44,910 INFO L226 Difference]: Without dead ends: 50 [2018-04-12 10:23:44,911 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=23, Unknown=0, NotChecked=0, Total=42 [2018-04-12 10:23:44,911 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50 states. [2018-04-12 10:23:44,914 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 50. [2018-04-12 10:23:44,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 50 states. [2018-04-12 10:23:44,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 57 transitions. [2018-04-12 10:23:44,916 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 57 transitions. Word has length 13 [2018-04-12 10:23:44,916 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 10:23:44,916 INFO L459 AbstractCegarLoop]: Abstraction has 50 states and 57 transitions. [2018-04-12 10:23:44,916 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-04-12 10:23:44,917 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 57 transitions. [2018-04-12 10:23:44,917 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-04-12 10:23:44,917 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 10:23:44,917 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 10:23:44,917 INFO L408 AbstractCegarLoop]: === Iteration 3 === [__U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpyErr5RequiresViolation, __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpyErr3RequiresViolation, __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpyErr1RequiresViolation, __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpyErr7RequiresViolation, __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpyErr2RequiresViolation, __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpyErr4RequiresViolation, __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpyErr6RequiresViolation, __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpyErr0RequiresViolation, mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-12 10:23:44,917 INFO L82 PathProgramCache]: Analyzing trace with hash 1395223911, now seen corresponding path program 1 times [2018-04-12 10:23:44,917 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-12 10:23:44,917 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-12 10:23:44,918 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 10:23:44,918 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-12 10:23:44,918 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 10:23:44,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 10:23:44,930 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 10:23:44,949 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 10:23:44,949 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-12 10:23:44,949 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-04-12 10:23:44,949 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-04-12 10:23:44,949 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-04-12 10:23:44,949 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-04-12 10:23:44,949 INFO L87 Difference]: Start difference. First operand 50 states and 57 transitions. Second operand 4 states. [2018-04-12 10:23:44,988 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 10:23:44,989 INFO L93 Difference]: Finished difference Result 49 states and 56 transitions. [2018-04-12 10:23:44,989 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-04-12 10:23:44,989 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 14 [2018-04-12 10:23:44,989 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 10:23:44,990 INFO L225 Difference]: With dead ends: 49 [2018-04-12 10:23:44,990 INFO L226 Difference]: Without dead ends: 49 [2018-04-12 10:23:44,990 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-04-12 10:23:44,990 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2018-04-12 10:23:44,993 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 49. [2018-04-12 10:23:44,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 49 states. [2018-04-12 10:23:44,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 56 transitions. [2018-04-12 10:23:44,994 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 56 transitions. Word has length 14 [2018-04-12 10:23:44,994 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 10:23:44,994 INFO L459 AbstractCegarLoop]: Abstraction has 49 states and 56 transitions. [2018-04-12 10:23:44,994 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-04-12 10:23:44,995 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 56 transitions. [2018-04-12 10:23:44,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-04-12 10:23:44,995 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 10:23:44,995 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 10:23:44,995 INFO L408 AbstractCegarLoop]: === Iteration 4 === [__U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpyErr5RequiresViolation, __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpyErr3RequiresViolation, __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpyErr1RequiresViolation, __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpyErr7RequiresViolation, __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpyErr2RequiresViolation, __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpyErr4RequiresViolation, __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpyErr6RequiresViolation, __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpyErr0RequiresViolation, mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-12 10:23:44,995 INFO L82 PathProgramCache]: Analyzing trace with hash 1395223912, now seen corresponding path program 1 times [2018-04-12 10:23:44,995 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-12 10:23:44,996 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-12 10:23:44,996 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 10:23:44,996 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-12 10:23:44,996 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 10:23:45,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 10:23:45,007 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 10:23:45,044 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 10:23:45,044 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-12 10:23:45,045 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-04-12 10:23:45,045 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-04-12 10:23:45,045 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-04-12 10:23:45,045 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-04-12 10:23:45,045 INFO L87 Difference]: Start difference. First operand 49 states and 56 transitions. Second operand 5 states. [2018-04-12 10:23:45,082 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 10:23:45,082 INFO L93 Difference]: Finished difference Result 48 states and 55 transitions. [2018-04-12 10:23:45,082 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-04-12 10:23:45,083 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 14 [2018-04-12 10:23:45,083 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 10:23:45,083 INFO L225 Difference]: With dead ends: 48 [2018-04-12 10:23:45,083 INFO L226 Difference]: Without dead ends: 48 [2018-04-12 10:23:45,083 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2018-04-12 10:23:45,083 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48 states. [2018-04-12 10:23:45,085 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48 to 48. [2018-04-12 10:23:45,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 48 states. [2018-04-12 10:23:45,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 55 transitions. [2018-04-12 10:23:45,085 INFO L78 Accepts]: Start accepts. Automaton has 48 states and 55 transitions. Word has length 14 [2018-04-12 10:23:45,085 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 10:23:45,085 INFO L459 AbstractCegarLoop]: Abstraction has 48 states and 55 transitions. [2018-04-12 10:23:45,086 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-04-12 10:23:45,086 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 55 transitions. [2018-04-12 10:23:45,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-04-12 10:23:45,086 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 10:23:45,086 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] [2018-04-12 10:23:45,086 INFO L408 AbstractCegarLoop]: === Iteration 5 === [__U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpyErr5RequiresViolation, __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpyErr3RequiresViolation, __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpyErr1RequiresViolation, __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpyErr7RequiresViolation, __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpyErr2RequiresViolation, __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpyErr4RequiresViolation, __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpyErr6RequiresViolation, __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpyErr0RequiresViolation, mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-12 10:23:45,086 INFO L82 PathProgramCache]: Analyzing trace with hash 1589078277, now seen corresponding path program 1 times [2018-04-12 10:23:45,086 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-12 10:23:45,086 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-12 10:23:45,087 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 10:23:45,087 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-12 10:23:45,087 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 10:23:45,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 10:23:45,096 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 10:23:45,122 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 10:23:45,122 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-12 10:23:45,122 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-04-12 10:23:45,122 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-04-12 10:23:45,122 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-04-12 10:23:45,122 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-04-12 10:23:45,123 INFO L87 Difference]: Start difference. First operand 48 states and 55 transitions. Second operand 5 states. [2018-04-12 10:23:45,161 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 10:23:45,161 INFO L93 Difference]: Finished difference Result 47 states and 54 transitions. [2018-04-12 10:23:45,162 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-04-12 10:23:45,162 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 20 [2018-04-12 10:23:45,162 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 10:23:45,162 INFO L225 Difference]: With dead ends: 47 [2018-04-12 10:23:45,162 INFO L226 Difference]: Without dead ends: 47 [2018-04-12 10:23:45,163 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-04-12 10:23:45,163 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states. [2018-04-12 10:23:45,165 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 47. [2018-04-12 10:23:45,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 47 states. [2018-04-12 10:23:45,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 54 transitions. [2018-04-12 10:23:45,166 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 54 transitions. Word has length 20 [2018-04-12 10:23:45,166 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 10:23:45,166 INFO L459 AbstractCegarLoop]: Abstraction has 47 states and 54 transitions. [2018-04-12 10:23:45,166 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-04-12 10:23:45,166 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 54 transitions. [2018-04-12 10:23:45,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-04-12 10:23:45,167 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 10:23:45,167 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] [2018-04-12 10:23:45,167 INFO L408 AbstractCegarLoop]: === Iteration 6 === [__U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpyErr5RequiresViolation, __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpyErr3RequiresViolation, __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpyErr1RequiresViolation, __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpyErr7RequiresViolation, __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpyErr2RequiresViolation, __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpyErr4RequiresViolation, __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpyErr6RequiresViolation, __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpyErr0RequiresViolation, mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-12 10:23:45,167 INFO L82 PathProgramCache]: Analyzing trace with hash 1589078278, now seen corresponding path program 1 times [2018-04-12 10:23:45,167 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-12 10:23:45,167 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-12 10:23:45,168 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 10:23:45,168 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-12 10:23:45,168 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 10:23:45,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 10:23:45,180 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 10:23:45,247 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 10:23:45,247 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-12 10:23:45,247 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-04-12 10:23:45,247 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-04-12 10:23:45,247 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-04-12 10:23:45,247 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2018-04-12 10:23:45,248 INFO L87 Difference]: Start difference. First operand 47 states and 54 transitions. Second operand 8 states. [2018-04-12 10:23:45,336 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 10:23:45,336 INFO L93 Difference]: Finished difference Result 62 states and 73 transitions. [2018-04-12 10:23:45,336 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-04-12 10:23:45,336 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 20 [2018-04-12 10:23:45,336 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 10:23:45,338 INFO L225 Difference]: With dead ends: 62 [2018-04-12 10:23:45,338 INFO L226 Difference]: Without dead ends: 62 [2018-04-12 10:23:45,338 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=37, Invalid=95, Unknown=0, NotChecked=0, Total=132 [2018-04-12 10:23:45,338 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62 states. [2018-04-12 10:23:45,340 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62 to 53. [2018-04-12 10:23:45,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 53 states. [2018-04-12 10:23:45,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 63 transitions. [2018-04-12 10:23:45,341 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 63 transitions. Word has length 20 [2018-04-12 10:23:45,341 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 10:23:45,341 INFO L459 AbstractCegarLoop]: Abstraction has 53 states and 63 transitions. [2018-04-12 10:23:45,341 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-04-12 10:23:45,341 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 63 transitions. [2018-04-12 10:23:45,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-04-12 10:23:45,341 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 10:23:45,341 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] [2018-04-12 10:23:45,341 INFO L408 AbstractCegarLoop]: === Iteration 7 === [__U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpyErr5RequiresViolation, __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpyErr3RequiresViolation, __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpyErr1RequiresViolation, __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpyErr7RequiresViolation, __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpyErr2RequiresViolation, __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpyErr4RequiresViolation, __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpyErr6RequiresViolation, __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpyErr0RequiresViolation, mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-12 10:23:45,341 INFO L82 PathProgramCache]: Analyzing trace with hash 1991019242, now seen corresponding path program 1 times [2018-04-12 10:23:45,341 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-12 10:23:45,342 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-12 10:23:45,342 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 10:23:45,342 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-12 10:23:45,342 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 10:23:45,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 10:23:45,349 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 10:23:45,383 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 10:23:45,384 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-12 10:23:45,384 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-04-12 10:23:45,384 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-04-12 10:23:45,384 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-04-12 10:23:45,384 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-04-12 10:23:45,384 INFO L87 Difference]: Start difference. First operand 53 states and 63 transitions. Second operand 6 states. [2018-04-12 10:23:45,434 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 10:23:45,434 INFO L93 Difference]: Finished difference Result 52 states and 62 transitions. [2018-04-12 10:23:45,434 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-04-12 10:23:45,434 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 21 [2018-04-12 10:23:45,434 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 10:23:45,435 INFO L225 Difference]: With dead ends: 52 [2018-04-12 10:23:45,435 INFO L226 Difference]: Without dead ends: 52 [2018-04-12 10:23:45,435 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-04-12 10:23:45,436 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52 states. [2018-04-12 10:23:45,437 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 52. [2018-04-12 10:23:45,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 52 states. [2018-04-12 10:23:45,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 62 transitions. [2018-04-12 10:23:45,438 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 62 transitions. Word has length 21 [2018-04-12 10:23:45,438 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 10:23:45,438 INFO L459 AbstractCegarLoop]: Abstraction has 52 states and 62 transitions. [2018-04-12 10:23:45,438 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-04-12 10:23:45,438 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 62 transitions. [2018-04-12 10:23:45,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-04-12 10:23:45,438 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 10:23:45,438 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] [2018-04-12 10:23:45,438 INFO L408 AbstractCegarLoop]: === Iteration 8 === [__U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpyErr5RequiresViolation, __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpyErr3RequiresViolation, __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpyErr1RequiresViolation, __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpyErr7RequiresViolation, __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpyErr2RequiresViolation, __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpyErr4RequiresViolation, __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpyErr6RequiresViolation, __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpyErr0RequiresViolation, mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-12 10:23:45,439 INFO L82 PathProgramCache]: Analyzing trace with hash 1991019243, now seen corresponding path program 1 times [2018-04-12 10:23:45,439 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-12 10:23:45,439 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-12 10:23:45,439 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 10:23:45,439 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-12 10:23:45,439 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 10:23:45,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 10:23:45,449 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 10:23:45,520 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 10:23:45,520 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-12 10:23:45,521 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-04-12 10:23:45,521 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-04-12 10:23:45,521 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-04-12 10:23:45,521 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2018-04-12 10:23:45,521 INFO L87 Difference]: Start difference. First operand 52 states and 62 transitions. Second operand 9 states. [2018-04-12 10:23:45,615 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 10:23:45,615 INFO L93 Difference]: Finished difference Result 62 states and 73 transitions. [2018-04-12 10:23:45,616 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-04-12 10:23:45,617 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 21 [2018-04-12 10:23:45,617 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 10:23:45,617 INFO L225 Difference]: With dead ends: 62 [2018-04-12 10:23:45,617 INFO L226 Difference]: Without dead ends: 62 [2018-04-12 10:23:45,617 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=32, Invalid=100, Unknown=0, NotChecked=0, Total=132 [2018-04-12 10:23:45,618 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62 states. [2018-04-12 10:23:45,619 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62 to 53. [2018-04-12 10:23:45,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 53 states. [2018-04-12 10:23:45,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 63 transitions. [2018-04-12 10:23:45,620 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 63 transitions. Word has length 21 [2018-04-12 10:23:45,620 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 10:23:45,620 INFO L459 AbstractCegarLoop]: Abstraction has 53 states and 63 transitions. [2018-04-12 10:23:45,620 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-04-12 10:23:45,620 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 63 transitions. [2018-04-12 10:23:45,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-04-12 10:23:45,621 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 10:23:45,621 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] [2018-04-12 10:23:45,621 INFO L408 AbstractCegarLoop]: === Iteration 9 === [__U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpyErr5RequiresViolation, __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpyErr3RequiresViolation, __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpyErr1RequiresViolation, __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpyErr7RequiresViolation, __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpyErr2RequiresViolation, __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpyErr4RequiresViolation, __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpyErr6RequiresViolation, __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpyErr0RequiresViolation, mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-12 10:23:45,621 INFO L82 PathProgramCache]: Analyzing trace with hash -1903975895, now seen corresponding path program 1 times [2018-04-12 10:23:45,621 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-12 10:23:45,621 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-12 10:23:45,622 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 10:23:45,622 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-12 10:23:45,622 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 10:23:45,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 10:23:45,631 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 10:23:45,670 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 10:23:45,670 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-12 10:23:45,670 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-04-12 10:23:45,670 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-04-12 10:23:45,671 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-04-12 10:23:45,671 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-04-12 10:23:45,671 INFO L87 Difference]: Start difference. First operand 53 states and 63 transitions. Second operand 6 states. [2018-04-12 10:23:45,735 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 10:23:45,735 INFO L93 Difference]: Finished difference Result 52 states and 62 transitions. [2018-04-12 10:23:45,735 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-04-12 10:23:45,735 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 22 [2018-04-12 10:23:45,736 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 10:23:45,736 INFO L225 Difference]: With dead ends: 52 [2018-04-12 10:23:45,736 INFO L226 Difference]: Without dead ends: 52 [2018-04-12 10:23:45,737 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-04-12 10:23:45,737 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52 states. [2018-04-12 10:23:45,738 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 52. [2018-04-12 10:23:45,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 52 states. [2018-04-12 10:23:45,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 62 transitions. [2018-04-12 10:23:45,739 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 62 transitions. Word has length 22 [2018-04-12 10:23:45,739 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 10:23:45,739 INFO L459 AbstractCegarLoop]: Abstraction has 52 states and 62 transitions. [2018-04-12 10:23:45,740 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-04-12 10:23:45,740 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 62 transitions. [2018-04-12 10:23:45,740 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-04-12 10:23:45,740 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 10:23:45,740 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] [2018-04-12 10:23:45,740 INFO L408 AbstractCegarLoop]: === Iteration 10 === [__U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpyErr5RequiresViolation, __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpyErr3RequiresViolation, __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpyErr1RequiresViolation, __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpyErr7RequiresViolation, __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpyErr2RequiresViolation, __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpyErr4RequiresViolation, __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpyErr6RequiresViolation, __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpyErr0RequiresViolation, mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-12 10:23:45,741 INFO L82 PathProgramCache]: Analyzing trace with hash -1903975894, now seen corresponding path program 1 times [2018-04-12 10:23:45,741 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-12 10:23:45,741 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-12 10:23:45,741 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 10:23:45,741 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-12 10:23:45,741 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 10:23:45,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 10:23:45,749 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 10:23:45,828 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 10:23:45,829 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-12 10:23:45,829 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-04-12 10:23:45,829 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-04-12 10:23:45,829 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-04-12 10:23:45,829 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2018-04-12 10:23:45,830 INFO L87 Difference]: Start difference. First operand 52 states and 62 transitions. Second operand 9 states. [2018-04-12 10:23:45,900 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 10:23:45,900 INFO L93 Difference]: Finished difference Result 59 states and 70 transitions. [2018-04-12 10:23:45,900 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-04-12 10:23:45,900 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 22 [2018-04-12 10:23:45,900 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 10:23:45,900 INFO L225 Difference]: With dead ends: 59 [2018-04-12 10:23:45,900 INFO L226 Difference]: Without dead ends: 59 [2018-04-12 10:23:45,901 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=32, Invalid=100, Unknown=0, NotChecked=0, Total=132 [2018-04-12 10:23:45,901 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59 states. [2018-04-12 10:23:45,902 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59 to 55. [2018-04-12 10:23:45,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 55 states. [2018-04-12 10:23:45,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 65 transitions. [2018-04-12 10:23:45,903 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 65 transitions. Word has length 22 [2018-04-12 10:23:45,903 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 10:23:45,903 INFO L459 AbstractCegarLoop]: Abstraction has 55 states and 65 transitions. [2018-04-12 10:23:45,903 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-04-12 10:23:45,904 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 65 transitions. [2018-04-12 10:23:45,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-04-12 10:23:45,904 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 10:23:45,904 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] [2018-04-12 10:23:45,904 INFO L408 AbstractCegarLoop]: === Iteration 11 === [__U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpyErr5RequiresViolation, __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpyErr3RequiresViolation, __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpyErr1RequiresViolation, __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpyErr7RequiresViolation, __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpyErr2RequiresViolation, __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpyErr4RequiresViolation, __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpyErr6RequiresViolation, __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpyErr0RequiresViolation, mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-12 10:23:45,904 INFO L82 PathProgramCache]: Analyzing trace with hash 1592054348, now seen corresponding path program 1 times [2018-04-12 10:23:45,905 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-12 10:23:45,905 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-12 10:23:45,905 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 10:23:45,905 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-12 10:23:45,905 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 10:23:45,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 10:23:45,913 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 10:23:45,934 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 10:23:45,934 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-12 10:23:45,934 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-04-12 10:23:45,934 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-04-12 10:23:45,934 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-04-12 10:23:45,934 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-04-12 10:23:45,934 INFO L87 Difference]: Start difference. First operand 55 states and 65 transitions. Second operand 6 states. [2018-04-12 10:23:45,968 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 10:23:45,968 INFO L93 Difference]: Finished difference Result 54 states and 64 transitions. [2018-04-12 10:23:45,968 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-04-12 10:23:45,968 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 22 [2018-04-12 10:23:45,968 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 10:23:45,968 INFO L225 Difference]: With dead ends: 54 [2018-04-12 10:23:45,969 INFO L226 Difference]: Without dead ends: 54 [2018-04-12 10:23:45,969 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-04-12 10:23:45,969 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54 states. [2018-04-12 10:23:45,971 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54 to 54. [2018-04-12 10:23:45,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 54 states. [2018-04-12 10:23:45,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 64 transitions. [2018-04-12 10:23:45,972 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 64 transitions. Word has length 22 [2018-04-12 10:23:45,972 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 10:23:45,972 INFO L459 AbstractCegarLoop]: Abstraction has 54 states and 64 transitions. [2018-04-12 10:23:45,972 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-04-12 10:23:45,972 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 64 transitions. [2018-04-12 10:23:45,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-04-12 10:23:45,973 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 10:23:45,973 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] [2018-04-12 10:23:45,973 INFO L408 AbstractCegarLoop]: === Iteration 12 === [__U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpyErr5RequiresViolation, __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpyErr3RequiresViolation, __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpyErr1RequiresViolation, __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpyErr7RequiresViolation, __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpyErr2RequiresViolation, __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpyErr4RequiresViolation, __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpyErr6RequiresViolation, __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpyErr0RequiresViolation, mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-12 10:23:45,973 INFO L82 PathProgramCache]: Analyzing trace with hash 1592054349, now seen corresponding path program 1 times [2018-04-12 10:23:45,973 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-12 10:23:45,973 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-12 10:23:45,974 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 10:23:45,974 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-12 10:23:45,974 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 10:23:45,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 10:23:45,982 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 10:23:46,049 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 10:23:46,050 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-12 10:23:46,050 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-04-12 10:23:46,050 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-04-12 10:23:46,050 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-04-12 10:23:46,050 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2018-04-12 10:23:46,051 INFO L87 Difference]: Start difference. First operand 54 states and 64 transitions. Second operand 9 states. [2018-04-12 10:23:46,146 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 10:23:46,146 INFO L93 Difference]: Finished difference Result 64 states and 76 transitions. [2018-04-12 10:23:46,147 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-04-12 10:23:46,147 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 22 [2018-04-12 10:23:46,147 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 10:23:46,147 INFO L225 Difference]: With dead ends: 64 [2018-04-12 10:23:46,147 INFO L226 Difference]: Without dead ends: 64 [2018-04-12 10:23:46,147 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=43, Invalid=139, Unknown=0, NotChecked=0, Total=182 [2018-04-12 10:23:46,148 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64 states. [2018-04-12 10:23:46,149 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64 to 55. [2018-04-12 10:23:46,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 55 states. [2018-04-12 10:23:46,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 65 transitions. [2018-04-12 10:23:46,149 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 65 transitions. Word has length 22 [2018-04-12 10:23:46,149 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 10:23:46,149 INFO L459 AbstractCegarLoop]: Abstraction has 55 states and 65 transitions. [2018-04-12 10:23:46,149 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-04-12 10:23:46,149 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 65 transitions. [2018-04-12 10:23:46,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-04-12 10:23:46,150 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 10:23:46,150 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, 1, 1] [2018-04-12 10:23:46,150 INFO L408 AbstractCegarLoop]: === Iteration 13 === [__U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpyErr5RequiresViolation, __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpyErr3RequiresViolation, __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpyErr1RequiresViolation, __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpyErr7RequiresViolation, __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpyErr2RequiresViolation, __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpyErr4RequiresViolation, __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpyErr6RequiresViolation, __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpyErr0RequiresViolation, mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-12 10:23:46,150 INFO L82 PathProgramCache]: Analyzing trace with hash -2110691807, now seen corresponding path program 1 times [2018-04-12 10:23:46,150 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-12 10:23:46,150 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-12 10:23:46,151 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 10:23:46,151 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-12 10:23:46,151 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 10:23:46,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 10:23:46,159 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 10:23:46,193 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-04-12 10:23:46,193 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-12 10:23:46,193 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-04-12 10:23:46,193 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-04-12 10:23:46,193 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-04-12 10:23:46,193 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2018-04-12 10:23:46,194 INFO L87 Difference]: Start difference. First operand 55 states and 65 transitions. Second operand 6 states. [2018-04-12 10:23:46,211 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 10:23:46,211 INFO L93 Difference]: Finished difference Result 55 states and 63 transitions. [2018-04-12 10:23:46,211 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-04-12 10:23:46,212 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 26 [2018-04-12 10:23:46,215 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 10:23:46,215 INFO L225 Difference]: With dead ends: 55 [2018-04-12 10:23:46,215 INFO L226 Difference]: Without dead ends: 55 [2018-04-12 10:23:46,215 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2018-04-12 10:23:46,216 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2018-04-12 10:23:46,217 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 55. [2018-04-12 10:23:46,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 55 states. [2018-04-12 10:23:46,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 63 transitions. [2018-04-12 10:23:46,217 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 63 transitions. Word has length 26 [2018-04-12 10:23:46,218 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 10:23:46,218 INFO L459 AbstractCegarLoop]: Abstraction has 55 states and 63 transitions. [2018-04-12 10:23:46,218 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-04-12 10:23:46,218 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 63 transitions. [2018-04-12 10:23:46,218 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-04-12 10:23:46,218 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 10:23:46,219 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] [2018-04-12 10:23:46,219 INFO L408 AbstractCegarLoop]: === Iteration 14 === [__U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpyErr5RequiresViolation, __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpyErr3RequiresViolation, __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpyErr1RequiresViolation, __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpyErr7RequiresViolation, __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpyErr2RequiresViolation, __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpyErr4RequiresViolation, __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpyErr6RequiresViolation, __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpyErr0RequiresViolation, mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-12 10:23:46,219 INFO L82 PathProgramCache]: Analyzing trace with hash -531063271, now seen corresponding path program 1 times [2018-04-12 10:23:46,219 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-12 10:23:46,219 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-12 10:23:46,220 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 10:23:46,220 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-12 10:23:46,220 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 10:23:46,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 10:23:46,230 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 10:23:46,330 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 10:23:46,330 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-12 10:23:46,330 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-04-12 10:23:46,331 INFO L442 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-04-12 10:23:46,331 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-04-12 10:23:46,331 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2018-04-12 10:23:46,331 INFO L87 Difference]: Start difference. First operand 55 states and 63 transitions. Second operand 11 states. [2018-04-12 10:23:46,542 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 10:23:46,542 INFO L93 Difference]: Finished difference Result 84 states and 98 transitions. [2018-04-12 10:23:46,542 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-04-12 10:23:46,542 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 26 [2018-04-12 10:23:46,542 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 10:23:46,543 INFO L225 Difference]: With dead ends: 84 [2018-04-12 10:23:46,543 INFO L226 Difference]: Without dead ends: 84 [2018-04-12 10:23:46,543 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 42 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=192, Unknown=0, NotChecked=0, Total=240 [2018-04-12 10:23:46,543 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 84 states. [2018-04-12 10:23:46,545 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 84 to 62. [2018-04-12 10:23:46,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 62 states. [2018-04-12 10:23:46,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 62 states and 73 transitions. [2018-04-12 10:23:46,546 INFO L78 Accepts]: Start accepts. Automaton has 62 states and 73 transitions. Word has length 26 [2018-04-12 10:23:46,546 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 10:23:46,546 INFO L459 AbstractCegarLoop]: Abstraction has 62 states and 73 transitions. [2018-04-12 10:23:46,546 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-04-12 10:23:46,546 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 73 transitions. [2018-04-12 10:23:46,546 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-04-12 10:23:46,546 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 10:23:46,547 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, 1, 1, 1] [2018-04-12 10:23:46,547 INFO L408 AbstractCegarLoop]: === Iteration 15 === [__U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpyErr5RequiresViolation, __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpyErr3RequiresViolation, __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpyErr1RequiresViolation, __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpyErr7RequiresViolation, __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpyErr2RequiresViolation, __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpyErr4RequiresViolation, __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpyErr6RequiresViolation, __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpyErr0RequiresViolation, mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-12 10:23:46,547 INFO L82 PathProgramCache]: Analyzing trace with hash 867982438, now seen corresponding path program 1 times [2018-04-12 10:23:46,547 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-12 10:23:46,547 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-12 10:23:46,548 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 10:23:46,548 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-12 10:23:46,548 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 10:23:46,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 10:23:46,556 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 10:23:46,592 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-04-12 10:23:46,592 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-12 10:23:46,592 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-04-12 10:23:46,593 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-04-12 10:23:46,593 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-04-12 10:23:46,593 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2018-04-12 10:23:46,593 INFO L87 Difference]: Start difference. First operand 62 states and 73 transitions. Second operand 6 states. [2018-04-12 10:23:46,618 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 10:23:46,618 INFO L93 Difference]: Finished difference Result 62 states and 72 transitions. [2018-04-12 10:23:46,619 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-04-12 10:23:46,619 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 27 [2018-04-12 10:23:46,619 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 10:23:46,619 INFO L225 Difference]: With dead ends: 62 [2018-04-12 10:23:46,619 INFO L226 Difference]: Without dead ends: 62 [2018-04-12 10:23:46,620 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2018-04-12 10:23:46,620 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62 states. [2018-04-12 10:23:46,621 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62 to 62. [2018-04-12 10:23:46,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 62 states. [2018-04-12 10:23:46,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 62 states and 72 transitions. [2018-04-12 10:23:46,622 INFO L78 Accepts]: Start accepts. Automaton has 62 states and 72 transitions. Word has length 27 [2018-04-12 10:23:46,622 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 10:23:46,622 INFO L459 AbstractCegarLoop]: Abstraction has 62 states and 72 transitions. [2018-04-12 10:23:46,622 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-04-12 10:23:46,622 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 72 transitions. [2018-04-12 10:23:46,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-04-12 10:23:46,623 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 10:23:46,623 INFO L355 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 10:23:46,623 INFO L408 AbstractCegarLoop]: === Iteration 16 === [__U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpyErr5RequiresViolation, __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpyErr3RequiresViolation, __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpyErr1RequiresViolation, __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpyErr7RequiresViolation, __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpyErr2RequiresViolation, __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpyErr4RequiresViolation, __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpyErr6RequiresViolation, __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpyErr0RequiresViolation, mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-12 10:23:46,623 INFO L82 PathProgramCache]: Analyzing trace with hash 717922773, now seen corresponding path program 1 times [2018-04-12 10:23:46,623 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-12 10:23:46,624 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-12 10:23:46,624 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 10:23:46,624 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-12 10:23:46,624 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 10:23:46,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 10:23:46,638 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 10:23:46,709 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 10:23:46,709 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-12 10:23:46,709 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-04-12 10:23:46,709 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-04-12 10:23:46,710 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-04-12 10:23:46,710 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2018-04-12 10:23:46,710 INFO L87 Difference]: Start difference. First operand 62 states and 72 transitions. Second operand 10 states. [2018-04-12 10:23:46,814 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 10:23:46,814 INFO L93 Difference]: Finished difference Result 105 states and 119 transitions. [2018-04-12 10:23:46,815 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-04-12 10:23:46,815 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 27 [2018-04-12 10:23:46,815 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 10:23:46,815 INFO L225 Difference]: With dead ends: 105 [2018-04-12 10:23:46,815 INFO L226 Difference]: Without dead ends: 105 [2018-04-12 10:23:46,815 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=51, Invalid=189, Unknown=0, NotChecked=0, Total=240 [2018-04-12 10:23:46,816 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 105 states. [2018-04-12 10:23:46,817 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 105 to 94. [2018-04-12 10:23:46,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 94 states. [2018-04-12 10:23:46,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 94 states and 110 transitions. [2018-04-12 10:23:46,818 INFO L78 Accepts]: Start accepts. Automaton has 94 states and 110 transitions. Word has length 27 [2018-04-12 10:23:46,818 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 10:23:46,818 INFO L459 AbstractCegarLoop]: Abstraction has 94 states and 110 transitions. [2018-04-12 10:23:46,818 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-04-12 10:23:46,818 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 110 transitions. [2018-04-12 10:23:46,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-04-12 10:23:46,819 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 10:23:46,819 INFO L355 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 10:23:46,819 INFO L408 AbstractCegarLoop]: === Iteration 17 === [__U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpyErr5RequiresViolation, __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpyErr3RequiresViolation, __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpyErr1RequiresViolation, __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpyErr7RequiresViolation, __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpyErr2RequiresViolation, __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpyErr4RequiresViolation, __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpyErr6RequiresViolation, __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpyErr0RequiresViolation, mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-12 10:23:46,819 INFO L82 PathProgramCache]: Analyzing trace with hash 1140624599, now seen corresponding path program 1 times [2018-04-12 10:23:46,819 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-12 10:23:46,820 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-12 10:23:46,820 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 10:23:46,820 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-12 10:23:46,820 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 10:23:46,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 10:23:46,833 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 10:23:46,957 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 10:23:46,957 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-04-12 10:23:46,957 INFO L213 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-04-12 10:23:46,966 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-12 10:23:46,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 10:23:46,994 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-12 10:23:47,031 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 11 [2018-04-12 10:23:47,034 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 10 [2018-04-12 10:23:47,034 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 10:23:47,036 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 10:23:47,040 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-12 10:23:47,040 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:25, output treesize:21 [2018-04-12 10:23:47,156 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 16 [2018-04-12 10:23:47,164 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 16 treesize of output 13 [2018-04-12 10:23:47,164 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 2 xjuncts. [2018-04-12 10:23:47,169 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-12 10:23:47,182 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2018-04-12 10:23:47,182 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:38, output treesize:29 [2018-04-12 10:23:47,255 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 10:23:47,273 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-12 10:23:47,273 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 9] total 16 [2018-04-12 10:23:47,273 INFO L442 AbstractCegarLoop]: Interpolant automaton has 17 states [2018-04-12 10:23:47,273 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2018-04-12 10:23:47,273 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=236, Unknown=0, NotChecked=0, Total=272 [2018-04-12 10:23:47,274 INFO L87 Difference]: Start difference. First operand 94 states and 110 transitions. Second operand 17 states. [2018-04-12 10:23:47,872 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 10:23:47,872 INFO L93 Difference]: Finished difference Result 134 states and 154 transitions. [2018-04-12 10:23:47,872 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-04-12 10:23:47,872 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 27 [2018-04-12 10:23:47,873 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 10:23:47,873 INFO L225 Difference]: With dead ends: 134 [2018-04-12 10:23:47,873 INFO L226 Difference]: Without dead ends: 134 [2018-04-12 10:23:47,873 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 74 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=90, Invalid=510, Unknown=0, NotChecked=0, Total=600 [2018-04-12 10:23:47,874 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 134 states. [2018-04-12 10:23:47,876 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 134 to 95. [2018-04-12 10:23:47,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 95 states. [2018-04-12 10:23:47,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 95 states and 111 transitions. [2018-04-12 10:23:47,877 INFO L78 Accepts]: Start accepts. Automaton has 95 states and 111 transitions. Word has length 27 [2018-04-12 10:23:47,877 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 10:23:47,877 INFO L459 AbstractCegarLoop]: Abstraction has 95 states and 111 transitions. [2018-04-12 10:23:47,877 INFO L460 AbstractCegarLoop]: Interpolant automaton has 17 states. [2018-04-12 10:23:47,877 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 111 transitions. [2018-04-12 10:23:47,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-04-12 10:23:47,878 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 10:23:47,878 INFO L355 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 10:23:47,878 INFO L408 AbstractCegarLoop]: === Iteration 18 === [__U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpyErr5RequiresViolation, __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpyErr3RequiresViolation, __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpyErr1RequiresViolation, __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpyErr7RequiresViolation, __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpyErr2RequiresViolation, __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpyErr4RequiresViolation, __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpyErr6RequiresViolation, __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpyErr0RequiresViolation, mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-12 10:23:47,878 INFO L82 PathProgramCache]: Analyzing trace with hash 999624161, now seen corresponding path program 1 times [2018-04-12 10:23:47,879 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-12 10:23:47,879 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-12 10:23:47,879 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 10:23:47,879 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-12 10:23:47,880 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 10:23:47,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 10:23:47,890 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 10:23:47,992 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 10:23:47,992 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-04-12 10:23:47,992 INFO L213 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-04-12 10:23:48,012 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-12 10:23:48,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 10:23:48,044 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-12 10:23:48,064 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-04-12 10:23:48,064 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-12 10:23:48,069 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-04-12 10:23:48,069 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 10:23:48,072 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 10:23:48,072 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:16, output treesize:14 [2018-04-12 10:23:48,098 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 10:23:48,099 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 15 [2018-04-12 10:23:48,100 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-12 10:23:48,111 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 10:23:48,111 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 10:23:48,112 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 4 [2018-04-12 10:23:48,112 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 10:23:48,119 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 10:23:48,120 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:25, output treesize:13 [2018-04-12 10:23:48,236 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 10:23:48,254 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-12 10:23:48,254 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 21 [2018-04-12 10:23:48,254 INFO L442 AbstractCegarLoop]: Interpolant automaton has 22 states [2018-04-12 10:23:48,254 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2018-04-12 10:23:48,255 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=408, Unknown=0, NotChecked=0, Total=462 [2018-04-12 10:23:48,255 INFO L87 Difference]: Start difference. First operand 95 states and 111 transitions. Second operand 22 states. [2018-04-12 10:23:48,623 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 10:23:48,623 INFO L93 Difference]: Finished difference Result 112 states and 132 transitions. [2018-04-12 10:23:48,623 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-04-12 10:23:48,623 INFO L78 Accepts]: Start accepts. Automaton has 22 states. Word has length 28 [2018-04-12 10:23:48,623 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 10:23:48,624 INFO L225 Difference]: With dead ends: 112 [2018-04-12 10:23:48,624 INFO L226 Difference]: Without dead ends: 112 [2018-04-12 10:23:48,624 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 159 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=123, Invalid=807, Unknown=0, NotChecked=0, Total=930 [2018-04-12 10:23:48,625 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 112 states. [2018-04-12 10:23:48,627 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 112 to 96. [2018-04-12 10:23:48,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 96 states. [2018-04-12 10:23:48,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 96 states and 112 transitions. [2018-04-12 10:23:48,628 INFO L78 Accepts]: Start accepts. Automaton has 96 states and 112 transitions. Word has length 28 [2018-04-12 10:23:48,628 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 10:23:48,628 INFO L459 AbstractCegarLoop]: Abstraction has 96 states and 112 transitions. [2018-04-12 10:23:48,628 INFO L460 AbstractCegarLoop]: Interpolant automaton has 22 states. [2018-04-12 10:23:48,628 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 112 transitions. [2018-04-12 10:23:48,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-04-12 10:23:48,628 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 10:23:48,629 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] [2018-04-12 10:23:48,629 INFO L408 AbstractCegarLoop]: === Iteration 19 === [__U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpyErr5RequiresViolation, __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpyErr3RequiresViolation, __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpyErr1RequiresViolation, __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpyErr7RequiresViolation, __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpyErr2RequiresViolation, __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpyErr4RequiresViolation, __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpyErr6RequiresViolation, __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpyErr0RequiresViolation, mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-12 10:23:48,629 INFO L82 PathProgramCache]: Analyzing trace with hash 1753600252, now seen corresponding path program 1 times [2018-04-12 10:23:48,629 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-12 10:23:48,629 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-12 10:23:48,629 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 10:23:48,629 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-12 10:23:48,629 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 10:23:48,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 10:23:48,639 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 10:23:48,734 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 10:23:48,734 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-12 10:23:48,735 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2018-04-12 10:23:48,735 INFO L442 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-04-12 10:23:48,735 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-04-12 10:23:48,735 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=106, Unknown=0, NotChecked=0, Total=132 [2018-04-12 10:23:48,735 INFO L87 Difference]: Start difference. First operand 96 states and 112 transitions. Second operand 12 states. [2018-04-12 10:23:48,900 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 10:23:48,900 INFO L93 Difference]: Finished difference Result 113 states and 129 transitions. [2018-04-12 10:23:48,900 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-04-12 10:23:48,900 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 29 [2018-04-12 10:23:48,900 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 10:23:48,901 INFO L225 Difference]: With dead ends: 113 [2018-04-12 10:23:48,901 INFO L226 Difference]: Without dead ends: 109 [2018-04-12 10:23:48,901 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 54 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=56, Invalid=250, Unknown=0, NotChecked=0, Total=306 [2018-04-12 10:23:48,901 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 109 states. [2018-04-12 10:23:48,902 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 109 to 95. [2018-04-12 10:23:48,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 95 states. [2018-04-12 10:23:48,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 95 states and 110 transitions. [2018-04-12 10:23:48,903 INFO L78 Accepts]: Start accepts. Automaton has 95 states and 110 transitions. Word has length 29 [2018-04-12 10:23:48,903 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 10:23:48,903 INFO L459 AbstractCegarLoop]: Abstraction has 95 states and 110 transitions. [2018-04-12 10:23:48,903 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-04-12 10:23:48,903 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 110 transitions. [2018-04-12 10:23:48,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-04-12 10:23:48,904 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 10:23:48,904 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, 1, 1, 1, 1, 1, 1] [2018-04-12 10:23:48,904 INFO L408 AbstractCegarLoop]: === Iteration 20 === [__U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpyErr5RequiresViolation, __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpyErr3RequiresViolation, __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpyErr1RequiresViolation, __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpyErr7RequiresViolation, __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpyErr2RequiresViolation, __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpyErr4RequiresViolation, __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpyErr6RequiresViolation, __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpyErr0RequiresViolation, mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-12 10:23:48,904 INFO L82 PathProgramCache]: Analyzing trace with hash 1163118827, now seen corresponding path program 1 times [2018-04-12 10:23:48,904 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-12 10:23:48,904 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-12 10:23:48,905 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 10:23:48,905 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-12 10:23:48,905 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 10:23:48,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 10:23:48,914 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 10:23:49,004 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 10:23:49,004 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-12 10:23:49,005 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2018-04-12 10:23:49,005 INFO L442 AbstractCegarLoop]: Interpolant automaton has 13 states [2018-04-12 10:23:49,005 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2018-04-12 10:23:49,005 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2018-04-12 10:23:49,005 INFO L87 Difference]: Start difference. First operand 95 states and 110 transitions. Second operand 13 states. [2018-04-12 10:23:49,183 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 10:23:49,183 INFO L93 Difference]: Finished difference Result 112 states and 123 transitions. [2018-04-12 10:23:49,183 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-04-12 10:23:49,183 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 30 [2018-04-12 10:23:49,183 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 10:23:49,184 INFO L225 Difference]: With dead ends: 112 [2018-04-12 10:23:49,184 INFO L226 Difference]: Without dead ends: 112 [2018-04-12 10:23:49,184 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 77 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=97, Invalid=409, Unknown=0, NotChecked=0, Total=506 [2018-04-12 10:23:49,184 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 112 states. [2018-04-12 10:23:49,186 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 112 to 92. [2018-04-12 10:23:49,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 92 states. [2018-04-12 10:23:49,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 92 states and 105 transitions. [2018-04-12 10:23:49,186 INFO L78 Accepts]: Start accepts. Automaton has 92 states and 105 transitions. Word has length 30 [2018-04-12 10:23:49,186 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 10:23:49,186 INFO L459 AbstractCegarLoop]: Abstraction has 92 states and 105 transitions. [2018-04-12 10:23:49,186 INFO L460 AbstractCegarLoop]: Interpolant automaton has 13 states. [2018-04-12 10:23:49,186 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 105 transitions. [2018-04-12 10:23:49,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-04-12 10:23:49,187 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 10:23:49,187 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, 1] [2018-04-12 10:23:49,187 INFO L408 AbstractCegarLoop]: === Iteration 21 === [__U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpyErr5RequiresViolation, __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpyErr3RequiresViolation, __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpyErr1RequiresViolation, __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpyErr7RequiresViolation, __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpyErr2RequiresViolation, __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpyErr4RequiresViolation, __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpyErr6RequiresViolation, __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpyErr0RequiresViolation, mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-12 10:23:49,187 INFO L82 PathProgramCache]: Analyzing trace with hash -321005100, now seen corresponding path program 1 times [2018-04-12 10:23:49,187 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-12 10:23:49,187 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-12 10:23:49,188 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 10:23:49,188 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-12 10:23:49,188 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 10:23:49,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 10:23:49,193 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 10:23:49,259 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 10:23:49,259 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-12 10:23:49,260 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-04-12 10:23:49,260 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-04-12 10:23:49,260 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-04-12 10:23:49,260 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-04-12 10:23:49,260 INFO L87 Difference]: Start difference. First operand 92 states and 105 transitions. Second operand 6 states. [2018-04-12 10:23:49,329 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 10:23:49,329 INFO L93 Difference]: Finished difference Result 91 states and 104 transitions. [2018-04-12 10:23:49,329 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-04-12 10:23:49,329 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 30 [2018-04-12 10:23:49,329 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 10:23:49,330 INFO L225 Difference]: With dead ends: 91 [2018-04-12 10:23:49,330 INFO L226 Difference]: Without dead ends: 54 [2018-04-12 10:23:49,330 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2018-04-12 10:23:49,330 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54 states. [2018-04-12 10:23:49,331 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54 to 54. [2018-04-12 10:23:49,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 54 states. [2018-04-12 10:23:49,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 59 transitions. [2018-04-12 10:23:49,331 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 59 transitions. Word has length 30 [2018-04-12 10:23:49,331 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 10:23:49,331 INFO L459 AbstractCegarLoop]: Abstraction has 54 states and 59 transitions. [2018-04-12 10:23:49,331 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-04-12 10:23:49,331 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 59 transitions. [2018-04-12 10:23:49,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-04-12 10:23:49,332 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 10:23:49,332 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, 1, 1, 1, 1, 1, 1] [2018-04-12 10:23:49,332 INFO L408 AbstractCegarLoop]: === Iteration 22 === [__U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpyErr5RequiresViolation, __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpyErr3RequiresViolation, __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpyErr1RequiresViolation, __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpyErr7RequiresViolation, __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpyErr2RequiresViolation, __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpyErr4RequiresViolation, __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpyErr6RequiresViolation, __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpyErr0RequiresViolation, mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-12 10:23:49,332 INFO L82 PathProgramCache]: Analyzing trace with hash 1029105321, now seen corresponding path program 1 times [2018-04-12 10:23:49,332 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-12 10:23:49,332 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-12 10:23:49,333 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 10:23:49,333 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-12 10:23:49,333 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 10:23:49,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 10:23:49,340 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 10:23:49,499 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 10:23:49,500 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-04-12 10:23:49,500 INFO L213 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-04-12 10:23:49,507 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-12 10:23:49,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 10:23:49,525 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-12 10:23:49,529 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-04-12 10:23:49,529 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-12 10:23:49,531 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 10:23:49,531 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2018-04-12 10:23:49,537 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 10:23:49,538 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 10:23:49,538 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 4 [2018-04-12 10:23:49,539 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-12 10:23:49,549 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 10:23:49,549 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:14, output treesize:8 [2018-04-12 10:23:49,574 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 11 [2018-04-12 10:23:49,576 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 10 [2018-04-12 10:23:49,576 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 10:23:49,585 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 10:23:49,589 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-12 10:23:49,590 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:29, output treesize:25 [2018-04-12 10:23:49,691 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 22 treesize of output 23 [2018-04-12 10:23:49,693 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 [2018-04-12 10:23:49,693 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 10:23:49,698 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 10:23:49,707 INFO L267 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 1 dim-2 vars, End of recursive call: 4 dim-0 vars, and 1 xjuncts. [2018-04-12 10:23:49,707 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 5 variables, input treesize:39, output treesize:35 [2018-04-12 10:23:49,783 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 27 treesize of output 25 [2018-04-12 10:23:49,787 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 1 [2018-04-12 10:23:49,787 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 10:23:49,804 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 16 treesize of output 13 [2018-04-12 10:23:49,805 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 2 xjuncts. [2018-04-12 10:23:49,808 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-12 10:23:49,817 INFO L267 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2018-04-12 10:23:49,817 INFO L202 ElimStorePlain]: Needed 4 recursive calls to eliminate 5 variables, input treesize:49, output treesize:29 [2018-04-12 10:23:49,855 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 10:23:49,874 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-12 10:23:49,874 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 14] total 22 [2018-04-12 10:23:49,874 INFO L442 AbstractCegarLoop]: Interpolant automaton has 23 states [2018-04-12 10:23:49,874 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2018-04-12 10:23:49,875 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=452, Unknown=0, NotChecked=0, Total=506 [2018-04-12 10:23:49,875 INFO L87 Difference]: Start difference. First operand 54 states and 59 transitions. Second operand 23 states. [2018-04-12 10:23:50,836 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 10:23:50,836 INFO L93 Difference]: Finished difference Result 64 states and 69 transitions. [2018-04-12 10:23:50,838 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-04-12 10:23:50,838 INFO L78 Accepts]: Start accepts. Automaton has 23 states. Word has length 30 [2018-04-12 10:23:50,838 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 10:23:50,838 INFO L225 Difference]: With dead ends: 64 [2018-04-12 10:23:50,838 INFO L226 Difference]: Without dead ends: 64 [2018-04-12 10:23:50,839 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 20 SyntacticMatches, 2 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 198 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=141, Invalid=981, Unknown=0, NotChecked=0, Total=1122 [2018-04-12 10:23:50,839 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64 states. [2018-04-12 10:23:50,840 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64 to 58. [2018-04-12 10:23:50,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 58 states. [2018-04-12 10:23:50,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 58 states and 63 transitions. [2018-04-12 10:23:50,840 INFO L78 Accepts]: Start accepts. Automaton has 58 states and 63 transitions. Word has length 30 [2018-04-12 10:23:50,841 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 10:23:50,841 INFO L459 AbstractCegarLoop]: Abstraction has 58 states and 63 transitions. [2018-04-12 10:23:50,841 INFO L460 AbstractCegarLoop]: Interpolant automaton has 23 states. [2018-04-12 10:23:50,841 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 63 transitions. [2018-04-12 10:23:50,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-04-12 10:23:50,841 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 10:23:50,841 INFO L355 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 10:23:50,841 INFO L408 AbstractCegarLoop]: === Iteration 23 === [__U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpyErr5RequiresViolation, __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpyErr3RequiresViolation, __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpyErr1RequiresViolation, __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpyErr7RequiresViolation, __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpyErr2RequiresViolation, __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpyErr4RequiresViolation, __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpyErr6RequiresViolation, __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpyErr0RequiresViolation, mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-12 10:23:50,842 INFO L82 PathProgramCache]: Analyzing trace with hash 748220333, now seen corresponding path program 1 times [2018-04-12 10:23:50,842 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-12 10:23:50,842 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-12 10:23:50,842 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 10:23:50,842 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-12 10:23:50,843 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 10:23:50,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 10:23:50,853 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 10:23:50,947 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 10:23:50,947 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-04-12 10:23:50,947 INFO L213 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-04-12 10:23:50,952 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-12 10:23:50,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 10:23:50,965 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-12 10:23:51,004 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-04-12 10:23:51,021 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-04-12 10:23:51,021 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [12] total 15 [2018-04-12 10:23:51,021 INFO L442 AbstractCegarLoop]: Interpolant automaton has 15 states [2018-04-12 10:23:51,021 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2018-04-12 10:23:51,021 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=180, Unknown=0, NotChecked=0, Total=210 [2018-04-12 10:23:51,022 INFO L87 Difference]: Start difference. First operand 58 states and 63 transitions. Second operand 15 states. [2018-04-12 10:23:51,314 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 10:23:51,315 INFO L93 Difference]: Finished difference Result 63 states and 67 transitions. [2018-04-12 10:23:51,315 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-04-12 10:23:51,315 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 32 [2018-04-12 10:23:51,315 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 10:23:51,315 INFO L225 Difference]: With dead ends: 63 [2018-04-12 10:23:51,315 INFO L226 Difference]: Without dead ends: 62 [2018-04-12 10:23:51,315 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 68 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=104, Invalid=546, Unknown=0, NotChecked=0, Total=650 [2018-04-12 10:23:51,316 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62 states. [2018-04-12 10:23:51,316 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62 to 54. [2018-04-12 10:23:51,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 54 states. [2018-04-12 10:23:51,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 58 transitions. [2018-04-12 10:23:51,316 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 58 transitions. Word has length 32 [2018-04-12 10:23:51,317 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 10:23:51,317 INFO L459 AbstractCegarLoop]: Abstraction has 54 states and 58 transitions. [2018-04-12 10:23:51,317 INFO L460 AbstractCegarLoop]: Interpolant automaton has 15 states. [2018-04-12 10:23:51,317 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 58 transitions. [2018-04-12 10:23:51,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-04-12 10:23:51,318 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 10:23:51,318 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, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 10:23:51,318 INFO L408 AbstractCegarLoop]: === Iteration 24 === [__U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpyErr5RequiresViolation, __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpyErr3RequiresViolation, __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpyErr1RequiresViolation, __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpyErr7RequiresViolation, __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpyErr2RequiresViolation, __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpyErr4RequiresViolation, __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpyErr6RequiresViolation, __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpyErr0RequiresViolation, mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-12 10:23:51,318 INFO L82 PathProgramCache]: Analyzing trace with hash -464827512, now seen corresponding path program 1 times [2018-04-12 10:23:51,318 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-12 10:23:51,318 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-12 10:23:51,319 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 10:23:51,319 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-12 10:23:51,319 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 10:23:51,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 10:23:51,330 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 10:23:51,415 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 10:23:51,415 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-04-12 10:23:51,415 INFO L213 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-04-12 10:23:51,429 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-12 10:23:51,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 10:23:51,442 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-12 10:23:51,445 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 11 [2018-04-12 10:23:51,446 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 10 [2018-04-12 10:23:51,446 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 10:23:51,447 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 10:23:51,450 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-12 10:23:51,450 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:25, output treesize:21 [2018-04-12 10:23:51,513 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 16 [2018-04-12 10:23:51,517 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 16 treesize of output 13 [2018-04-12 10:23:51,517 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 2 xjuncts. [2018-04-12 10:23:51,520 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-12 10:23:51,526 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2018-04-12 10:23:51,526 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:38, output treesize:29 [2018-04-12 10:23:51,553 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 10:23:51,570 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-12 10:23:51,570 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 9] total 16 [2018-04-12 10:23:51,571 INFO L442 AbstractCegarLoop]: Interpolant automaton has 17 states [2018-04-12 10:23:51,571 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2018-04-12 10:23:51,571 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=236, Unknown=0, NotChecked=0, Total=272 [2018-04-12 10:23:51,571 INFO L87 Difference]: Start difference. First operand 54 states and 58 transitions. Second operand 17 states. [2018-04-12 10:23:52,642 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 10:23:52,642 INFO L93 Difference]: Finished difference Result 66 states and 70 transitions. [2018-04-12 10:23:52,642 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2018-04-12 10:23:52,642 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 32 [2018-04-12 10:23:52,642 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 10:23:52,643 INFO L225 Difference]: With dead ends: 66 [2018-04-12 10:23:52,643 INFO L226 Difference]: Without dead ends: 66 [2018-04-12 10:23:52,643 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 67 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=79, Invalid=473, Unknown=0, NotChecked=0, Total=552 [2018-04-12 10:23:52,643 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66 states. [2018-04-12 10:23:52,644 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66 to 57. [2018-04-12 10:23:52,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 57 states. [2018-04-12 10:23:52,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 61 transitions. [2018-04-12 10:23:52,644 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 61 transitions. Word has length 32 [2018-04-12 10:23:52,644 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 10:23:52,644 INFO L459 AbstractCegarLoop]: Abstraction has 57 states and 61 transitions. [2018-04-12 10:23:52,644 INFO L460 AbstractCegarLoop]: Interpolant automaton has 17 states. [2018-04-12 10:23:52,644 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 61 transitions. [2018-04-12 10:23:52,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-04-12 10:23:52,644 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 10:23:52,644 INFO L355 BasicCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 10:23:52,644 INFO L408 AbstractCegarLoop]: === Iteration 25 === [__U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpyErr5RequiresViolation, __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpyErr3RequiresViolation, __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpyErr1RequiresViolation, __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpyErr7RequiresViolation, __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpyErr2RequiresViolation, __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpyErr4RequiresViolation, __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpyErr6RequiresViolation, __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpyErr0RequiresViolation, mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-12 10:23:52,645 INFO L82 PathProgramCache]: Analyzing trace with hash 1721008833, now seen corresponding path program 2 times [2018-04-12 10:23:52,645 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-12 10:23:52,645 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-12 10:23:52,645 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 10:23:52,645 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-12 10:23:52,645 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 10:23:52,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 10:23:52,655 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 10:23:52,951 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 10:23:52,952 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-04-12 10:23:52,952 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 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-04-12 10:23:52,960 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST1 [2018-04-12 10:23:52,989 INFO L242 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2018-04-12 10:23:52,989 INFO L243 tOrderPrioritization]: Conjunction of SSA is unsat [2018-04-12 10:23:52,992 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-12 10:23:52,997 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-04-12 10:23:52,997 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-12 10:23:52,999 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 10:23:52,999 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2018-04-12 10:23:53,008 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-04-12 10:23:53,009 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-12 10:23:53,016 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 10:23:53,016 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 10:23:53,017 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 4 [2018-04-12 10:23:53,017 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 10:23:53,021 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 10:23:53,021 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:20, output treesize:13 [2018-04-12 10:23:53,066 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 13 [2018-04-12 10:23:53,068 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 12 [2018-04-12 10:23:53,069 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 10:23:53,070 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 10:23:53,075 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-12 10:23:53,076 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:27, output treesize:23 [2018-04-12 10:23:53,221 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 24 treesize of output 25 [2018-04-12 10:23:53,223 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 [2018-04-12 10:23:53,223 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 10:23:53,234 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 10:23:53,240 INFO L267 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-12 10:23:53,241 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 5 variables, input treesize:37, output treesize:22 [2018-04-12 10:23:53,301 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 22 treesize of output 18 [2018-04-12 10:23:53,307 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 18 treesize of output 15 [2018-04-12 10:23:53,307 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 2 xjuncts. [2018-04-12 10:23:53,310 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-12 10:23:53,317 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2018-04-12 10:23:53,317 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:36, output treesize:37 [2018-04-12 10:23:53,386 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 10:23:53,404 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-12 10:23:53,404 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 15] total 25 [2018-04-12 10:23:53,404 INFO L442 AbstractCegarLoop]: Interpolant automaton has 26 states [2018-04-12 10:23:53,404 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2018-04-12 10:23:53,404 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=591, Unknown=0, NotChecked=0, Total=650 [2018-04-12 10:23:53,404 INFO L87 Difference]: Start difference. First operand 57 states and 61 transitions. Second operand 26 states. [2018-04-12 10:23:54,275 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 10:23:54,275 INFO L93 Difference]: Finished difference Result 67 states and 71 transitions. [2018-04-12 10:23:54,337 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2018-04-12 10:23:54,337 INFO L78 Accepts]: Start accepts. Automaton has 26 states. Word has length 33 [2018-04-12 10:23:54,337 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 10:23:54,338 INFO L225 Difference]: With dead ends: 67 [2018-04-12 10:23:54,338 INFO L226 Difference]: Without dead ends: 67 [2018-04-12 10:23:54,338 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 21 SyntacticMatches, 2 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 209 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=212, Invalid=1594, Unknown=0, NotChecked=0, Total=1806 [2018-04-12 10:23:54,338 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67 states. [2018-04-12 10:23:54,339 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67 to 56. [2018-04-12 10:23:54,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 56 states. [2018-04-12 10:23:54,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 56 states and 60 transitions. [2018-04-12 10:23:54,339 INFO L78 Accepts]: Start accepts. Automaton has 56 states and 60 transitions. Word has length 33 [2018-04-12 10:23:54,339 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 10:23:54,339 INFO L459 AbstractCegarLoop]: Abstraction has 56 states and 60 transitions. [2018-04-12 10:23:54,339 INFO L460 AbstractCegarLoop]: Interpolant automaton has 26 states. [2018-04-12 10:23:54,339 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 60 transitions. [2018-04-12 10:23:54,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-04-12 10:23:54,340 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 10:23:54,340 INFO L355 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 10:23:54,340 INFO L408 AbstractCegarLoop]: === Iteration 26 === [__U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpyErr5RequiresViolation, __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpyErr3RequiresViolation, __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpyErr1RequiresViolation, __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpyErr7RequiresViolation, __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpyErr2RequiresViolation, __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpyErr4RequiresViolation, __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpyErr6RequiresViolation, __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpyErr0RequiresViolation, mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-12 10:23:54,340 INFO L82 PathProgramCache]: Analyzing trace with hash 1811666231, now seen corresponding path program 2 times [2018-04-12 10:23:54,340 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-12 10:23:54,340 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-12 10:23:54,340 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 10:23:54,340 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-04-12 10:23:54,340 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 10:23:54,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 10:23:54,348 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 10:23:54,455 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 10:23:54,455 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-04-12 10:23:54,455 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 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-04-12 10:23:54,460 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST1 [2018-04-12 10:23:54,478 INFO L242 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2018-04-12 10:23:54,478 INFO L243 tOrderPrioritization]: Conjunction of SSA is unsat [2018-04-12 10:23:54,480 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-12 10:23:54,482 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-04-12 10:23:54,483 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-12 10:23:54,486 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-04-12 10:23:54,487 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 10:23:54,489 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 10:23:54,489 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:16, output treesize:14 [2018-04-12 10:23:54,494 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 10:23:54,494 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 10:23:54,495 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 4 [2018-04-12 10:23:54,495 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-12 10:23:54,499 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 15 [2018-04-12 10:23:54,500 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 10:23:54,503 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 10:23:54,503 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:25, output treesize:13 [2018-04-12 10:23:54,674 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 10:23:54,692 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-12 10:23:54,692 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 14] total 20 [2018-04-12 10:23:54,692 INFO L442 AbstractCegarLoop]: Interpolant automaton has 21 states [2018-04-12 10:23:54,693 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2018-04-12 10:23:54,693 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=369, Unknown=0, NotChecked=0, Total=420 [2018-04-12 10:23:54,693 INFO L87 Difference]: Start difference. First operand 56 states and 60 transitions. Second operand 21 states. [2018-04-12 10:23:55,015 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 10:23:55,016 INFO L93 Difference]: Finished difference Result 79 states and 84 transitions. [2018-04-12 10:23:55,016 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-04-12 10:23:55,016 INFO L78 Accepts]: Start accepts. Automaton has 21 states. Word has length 34 [2018-04-12 10:23:55,016 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 10:23:55,016 INFO L225 Difference]: With dead ends: 79 [2018-04-12 10:23:55,016 INFO L226 Difference]: Without dead ends: 79 [2018-04-12 10:23:55,017 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 24 SyntacticMatches, 3 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 184 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=114, Invalid=878, Unknown=0, NotChecked=0, Total=992 [2018-04-12 10:23:55,017 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 79 states. [2018-04-12 10:23:55,018 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 79 to 62. [2018-04-12 10:23:55,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 62 states. [2018-04-12 10:23:55,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 62 states and 67 transitions. [2018-04-12 10:23:55,018 INFO L78 Accepts]: Start accepts. Automaton has 62 states and 67 transitions. Word has length 34 [2018-04-12 10:23:55,019 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 10:23:55,019 INFO L459 AbstractCegarLoop]: Abstraction has 62 states and 67 transitions. [2018-04-12 10:23:55,019 INFO L460 AbstractCegarLoop]: Interpolant automaton has 21 states. [2018-04-12 10:23:55,019 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 67 transitions. [2018-04-12 10:23:55,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-04-12 10:23:55,019 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 10:23:55,019 INFO L355 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 10:23:55,019 INFO L408 AbstractCegarLoop]: === Iteration 27 === [__U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpyErr5RequiresViolation, __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpyErr3RequiresViolation, __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpyErr1RequiresViolation, __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpyErr7RequiresViolation, __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpyErr2RequiresViolation, __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpyErr4RequiresViolation, __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpyErr6RequiresViolation, __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpyErr0RequiresViolation, mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-12 10:23:55,020 INFO L82 PathProgramCache]: Analyzing trace with hash 1421890336, now seen corresponding path program 2 times [2018-04-12 10:23:55,020 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-12 10:23:55,020 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-12 10:23:55,020 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 10:23:55,020 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-04-12 10:23:55,020 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 10:23:55,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 10:23:55,029 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 10:23:55,411 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 10:23:55,411 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-04-12 10:23:55,411 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 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-04-12 10:23:55,416 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST1 [2018-04-12 10:23:55,430 INFO L242 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2018-04-12 10:23:55,430 INFO L243 tOrderPrioritization]: Conjunction of SSA is unsat [2018-04-12 10:23:55,435 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-12 10:23:55,438 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-04-12 10:23:55,438 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-12 10:23:55,439 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 10:23:55,439 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2018-04-12 10:23:55,465 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 10:23:55,465 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 10:23:55,466 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 4 [2018-04-12 10:23:55,466 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-12 10:23:55,470 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 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 6 treesize of output 5 [2018-04-12 10:23:55,470 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 10:23:55,473 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 10:23:55,473 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:20, output treesize:13 [2018-04-12 10:23:55,512 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 13 [2018-04-12 10:23:55,514 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 12 [2018-04-12 10:23:55,514 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 10:23:55,516 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 10:23:55,522 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-12 10:23:55,522 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:27, output treesize:23 [2018-04-12 10:23:55,602 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 24 treesize of output 25 [2018-04-12 10:23:55,603 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 [2018-04-12 10:23:55,603 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 10:23:55,606 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 10:23:55,611 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: 3 dim-0 vars, and 1 xjuncts. [2018-04-12 10:23:55,611 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:34, output treesize:30 [2018-04-12 10:23:55,751 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 29 treesize of output 27 [2018-04-12 10:23:55,758 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 18 treesize of output 15 [2018-04-12 10:23:55,758 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 2 xjuncts. [2018-04-12 10:23:55,766 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 1 [2018-04-12 10:23:55,766 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-04-12 10:23:55,768 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-12 10:23:55,775 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2018-04-12 10:23:55,775 INFO L202 ElimStorePlain]: Needed 4 recursive calls to eliminate 4 variables, input treesize:47, output treesize:37 [2018-04-12 10:23:55,818 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 3 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 10:23:55,835 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-12 10:23:55,836 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 15] total 31 [2018-04-12 10:23:55,836 INFO L442 AbstractCegarLoop]: Interpolant automaton has 32 states [2018-04-12 10:23:55,836 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2018-04-12 10:23:55,836 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=88, Invalid=904, Unknown=0, NotChecked=0, Total=992 [2018-04-12 10:23:55,836 INFO L87 Difference]: Start difference. First operand 62 states and 67 transitions. Second operand 32 states. [2018-04-12 10:23:56,654 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 10:23:56,654 INFO L93 Difference]: Finished difference Result 70 states and 75 transitions. [2018-04-12 10:23:56,654 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2018-04-12 10:23:56,654 INFO L78 Accepts]: Start accepts. Automaton has 32 states. Word has length 34 [2018-04-12 10:23:56,654 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 10:23:56,655 INFO L225 Difference]: With dead ends: 70 [2018-04-12 10:23:56,655 INFO L226 Difference]: Without dead ends: 55 [2018-04-12 10:23:56,655 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 424 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=286, Invalid=1970, Unknown=0, NotChecked=0, Total=2256 [2018-04-12 10:23:56,655 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2018-04-12 10:23:56,656 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 55. [2018-04-12 10:23:56,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 55 states. [2018-04-12 10:23:56,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 59 transitions. [2018-04-12 10:23:56,656 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 59 transitions. Word has length 34 [2018-04-12 10:23:56,656 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 10:23:56,656 INFO L459 AbstractCegarLoop]: Abstraction has 55 states and 59 transitions. [2018-04-12 10:23:56,656 INFO L460 AbstractCegarLoop]: Interpolant automaton has 32 states. [2018-04-12 10:23:56,656 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 59 transitions. [2018-04-12 10:23:56,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-04-12 10:23:56,657 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 10:23:56,657 INFO L355 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 10:23:56,657 INFO L408 AbstractCegarLoop]: === Iteration 28 === [__U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpyErr5RequiresViolation, __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpyErr3RequiresViolation, __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpyErr1RequiresViolation, __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpyErr7RequiresViolation, __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpyErr2RequiresViolation, __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpyErr4RequiresViolation, __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpyErr6RequiresViolation, __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpyErr0RequiresViolation, mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-12 10:23:56,657 INFO L82 PathProgramCache]: Analyzing trace with hash -282513281, now seen corresponding path program 1 times [2018-04-12 10:23:56,657 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-12 10:23:56,657 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-12 10:23:56,657 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 10:23:56,657 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-04-12 10:23:56,658 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 10:23:56,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 10:23:56,665 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 10:23:56,916 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 10:23:56,916 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-04-12 10:23:56,916 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 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-04-12 10:23:56,921 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-12 10:23:56,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 10:23:56,938 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-12 10:23:56,940 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-04-12 10:23:56,940 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-12 10:23:56,942 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 10:23:56,942 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2018-04-12 10:23:56,945 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-04-12 10:23:56,945 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-12 10:23:56,949 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 10:23:56,949 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 10:23:56,949 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 4 [2018-04-12 10:23:56,950 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 10:23:56,953 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 10:23:56,953 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:20, output treesize:13 [2018-04-12 10:23:56,961 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 15 treesize of output 12 [2018-04-12 10:23:56,962 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2018-04-12 10:23:56,962 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 10:23:56,963 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 10:23:56,965 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-12 10:23:56,965 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:20, output treesize:16 [2018-04-12 10:23:57,053 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 23 treesize of output 24 [2018-04-12 10:23:57,060 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 [2018-04-12 10:23:57,060 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 10:23:57,063 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 10:23:57,066 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-12 10:23:57,066 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:30, output treesize:19 [2018-04-12 10:23:57,087 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 23 treesize of output 24 [2018-04-12 10:23:57,088 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 [2018-04-12 10:23:57,088 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 10:23:57,091 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 10:23:57,095 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. [2018-04-12 10:23:57,095 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:30, output treesize:26 [2018-04-12 10:23:57,148 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 28 treesize of output 26 [2018-04-12 10:23:57,150 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 1 [2018-04-12 10:23:57,150 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 10:23:57,156 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 17 treesize of output 14 [2018-04-12 10:23:57,156 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 2 xjuncts. [2018-04-12 10:23:57,158 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-12 10:23:57,163 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2018-04-12 10:23:57,163 INFO L202 ElimStorePlain]: Needed 4 recursive calls to eliminate 3 variables, input treesize:40, output treesize:32 [2018-04-12 10:23:57,199 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 10:23:57,216 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-12 10:23:57,216 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 16] total 25 [2018-04-12 10:23:57,217 INFO L442 AbstractCegarLoop]: Interpolant automaton has 26 states [2018-04-12 10:23:57,217 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2018-04-12 10:23:57,217 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=586, Unknown=0, NotChecked=0, Total=650 [2018-04-12 10:23:57,217 INFO L87 Difference]: Start difference. First operand 55 states and 59 transitions. Second operand 26 states. [2018-04-12 10:23:57,974 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 10:23:57,975 INFO L93 Difference]: Finished difference Result 60 states and 64 transitions. [2018-04-12 10:23:57,975 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2018-04-12 10:23:57,975 INFO L78 Accepts]: Start accepts. Automaton has 26 states. Word has length 36 [2018-04-12 10:23:57,975 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 10:23:57,975 INFO L225 Difference]: With dead ends: 60 [2018-04-12 10:23:57,975 INFO L226 Difference]: Without dead ends: 48 [2018-04-12 10:23:57,976 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 22 SyntacticMatches, 5 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 299 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=244, Invalid=1826, Unknown=0, NotChecked=0, Total=2070 [2018-04-12 10:23:57,976 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48 states. [2018-04-12 10:23:57,976 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48 to 48. [2018-04-12 10:23:57,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 48 states. [2018-04-12 10:23:57,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 50 transitions. [2018-04-12 10:23:57,977 INFO L78 Accepts]: Start accepts. Automaton has 48 states and 50 transitions. Word has length 36 [2018-04-12 10:23:57,977 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 10:23:57,977 INFO L459 AbstractCegarLoop]: Abstraction has 48 states and 50 transitions. [2018-04-12 10:23:57,977 INFO L460 AbstractCegarLoop]: Interpolant automaton has 26 states. [2018-04-12 10:23:57,977 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 50 transitions. [2018-04-12 10:23:57,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-04-12 10:23:57,977 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 10:23:57,977 INFO L355 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 10:23:57,977 INFO L408 AbstractCegarLoop]: === Iteration 29 === [__U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpyErr5RequiresViolation, __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpyErr3RequiresViolation, __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpyErr1RequiresViolation, __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpyErr7RequiresViolation, __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpyErr2RequiresViolation, __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpyErr4RequiresViolation, __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpyErr6RequiresViolation, __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpyErr0RequiresViolation, mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-12 10:23:57,977 INFO L82 PathProgramCache]: Analyzing trace with hash 1790080990, now seen corresponding path program 2 times [2018-04-12 10:23:57,977 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-12 10:23:57,977 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-12 10:23:57,978 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 10:23:57,978 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-12 10:23:57,978 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 10:23:57,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 10:23:57,989 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 10:23:58,296 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 10:23:58,296 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-04-12 10:23:58,296 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 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-04-12 10:23:58,304 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST1 [2018-04-12 10:23:58,331 INFO L242 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2018-04-12 10:23:58,332 INFO L243 tOrderPrioritization]: Conjunction of SSA is unsat [2018-04-12 10:23:58,335 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-12 10:23:58,350 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-04-12 10:23:58,350 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-12 10:23:58,353 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 10:23:58,353 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2018-04-12 10:23:58,380 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 10:23:58,380 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 10:23:58,381 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 4 [2018-04-12 10:23:58,381 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-12 10:23:58,383 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 10:23:58,383 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:14, output treesize:8 [2018-04-12 10:23:58,412 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 11 [2018-04-12 10:23:58,414 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 10 [2018-04-12 10:23:58,414 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 10:23:58,415 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 10:23:58,419 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-12 10:23:58,420 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:29, output treesize:25 [2018-04-12 10:23:58,583 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 31 treesize of output 32 [2018-04-12 10:23:58,585 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 [2018-04-12 10:23:58,585 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 10:23:58,590 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 10:23:58,599 INFO L267 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 1 dim-2 vars, End of recursive call: 4 dim-0 vars, and 1 xjuncts. [2018-04-12 10:23:58,599 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 5 variables, input treesize:53, output treesize:49 [2018-04-12 10:23:58,741 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 43 treesize of output 37 [2018-04-12 10:23:58,742 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 1 [2018-04-12 10:23:58,743 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 10:23:58,751 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 10:23:58,755 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 1 new quantified variables, introduced 1 case distinctions, treesize of input 24 treesize of output 35 [2018-04-12 10:23:58,756 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 2 xjuncts. [2018-04-12 10:23:58,767 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-12 10:23:58,780 INFO L267 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2018-04-12 10:23:58,780 INFO L202 ElimStorePlain]: Needed 4 recursive calls to eliminate 5 variables, input treesize:65, output treesize:43 [2018-04-12 10:23:58,828 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 10:23:58,846 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-12 10:23:58,846 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 17] total 29 [2018-04-12 10:23:58,846 INFO L442 AbstractCegarLoop]: Interpolant automaton has 30 states [2018-04-12 10:23:58,847 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2018-04-12 10:23:58,847 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=70, Invalid=800, Unknown=0, NotChecked=0, Total=870 [2018-04-12 10:23:58,847 INFO L87 Difference]: Start difference. First operand 48 states and 50 transitions. Second operand 30 states. [2018-04-12 10:24:00,358 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 10:24:00,359 INFO L93 Difference]: Finished difference Result 54 states and 55 transitions. [2018-04-12 10:24:00,359 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2018-04-12 10:24:00,359 INFO L78 Accepts]: Start accepts. Automaton has 30 states. Word has length 38 [2018-04-12 10:24:00,359 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 10:24:00,359 INFO L225 Difference]: With dead ends: 54 [2018-04-12 10:24:00,359 INFO L226 Difference]: Without dead ends: 48 [2018-04-12 10:24:00,360 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 217 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=177, Invalid=1629, Unknown=0, NotChecked=0, Total=1806 [2018-04-12 10:24:00,360 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48 states. [2018-04-12 10:24:00,360 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48 to 48. [2018-04-12 10:24:00,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 48 states. [2018-04-12 10:24:00,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 49 transitions. [2018-04-12 10:24:00,361 INFO L78 Accepts]: Start accepts. Automaton has 48 states and 49 transitions. Word has length 38 [2018-04-12 10:24:00,361 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 10:24:00,361 INFO L459 AbstractCegarLoop]: Abstraction has 48 states and 49 transitions. [2018-04-12 10:24:00,361 INFO L460 AbstractCegarLoop]: Interpolant automaton has 30 states. [2018-04-12 10:24:00,361 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 49 transitions. [2018-04-12 10:24:00,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-04-12 10:24:00,361 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 10:24:00,361 INFO L355 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 10:24:00,361 INFO L408 AbstractCegarLoop]: === Iteration 30 === [__U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpyErr5RequiresViolation, __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpyErr3RequiresViolation, __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpyErr1RequiresViolation, __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpyErr7RequiresViolation, __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpyErr2RequiresViolation, __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpyErr4RequiresViolation, __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpyErr6RequiresViolation, __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpyErr0RequiresViolation, mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-12 10:24:00,362 INFO L82 PathProgramCache]: Analyzing trace with hash -179747827, now seen corresponding path program 3 times [2018-04-12 10:24:00,362 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-12 10:24:00,362 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-12 10:24:00,362 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 10:24:00,362 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-04-12 10:24:00,362 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 10:24:00,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 10:24:00,369 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 10:24:00,545 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-04-12 10:24:00,545 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-04-12 10:24:00,545 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 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-04-12 10:24:00,553 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST2 [2018-04-12 10:24:00,611 INFO L242 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2018-04-12 10:24:00,611 INFO L243 tOrderPrioritization]: Conjunction of SSA is unsat [2018-04-12 10:24:00,614 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-12 10:24:00,619 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-04-12 10:24:00,619 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-12 10:24:00,625 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-04-12 10:24:00,625 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 10:24:00,630 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 10:24:00,630 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:16, output treesize:14 [2018-04-12 10:24:00,638 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 10:24:00,640 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 15 [2018-04-12 10:24:00,640 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-12 10:24:00,649 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 10:24:00,650 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 10:24:00,650 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 4 [2018-04-12 10:24:00,650 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 10:24:00,655 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 10:24:00,656 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:25, output treesize:9 [2018-04-12 10:24:00,844 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 33 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 10:24:00,873 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-12 10:24:00,874 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 15] total 22 [2018-04-12 10:24:00,874 INFO L442 AbstractCegarLoop]: Interpolant automaton has 23 states [2018-04-12 10:24:00,874 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2018-04-12 10:24:00,874 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=447, Unknown=0, NotChecked=0, Total=506 [2018-04-12 10:24:00,874 INFO L87 Difference]: Start difference. First operand 48 states and 49 transitions. Second operand 23 states. [2018-04-12 10:24:01,484 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 10:24:01,484 INFO L93 Difference]: Finished difference Result 54 states and 56 transitions. [2018-04-12 10:24:01,485 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2018-04-12 10:24:01,485 INFO L78 Accepts]: Start accepts. Automaton has 23 states. Word has length 40 [2018-04-12 10:24:01,485 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 10:24:01,485 INFO L225 Difference]: With dead ends: 54 [2018-04-12 10:24:01,485 INFO L226 Difference]: Without dead ends: 54 [2018-04-12 10:24:01,485 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 31 SyntacticMatches, 3 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 305 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=199, Invalid=1441, Unknown=0, NotChecked=0, Total=1640 [2018-04-12 10:24:01,486 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54 states. [2018-04-12 10:24:01,486 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54 to 45. [2018-04-12 10:24:01,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 45 states. [2018-04-12 10:24:01,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 46 transitions. [2018-04-12 10:24:01,486 INFO L78 Accepts]: Start accepts. Automaton has 45 states and 46 transitions. Word has length 40 [2018-04-12 10:24:01,486 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 10:24:01,486 INFO L459 AbstractCegarLoop]: Abstraction has 45 states and 46 transitions. [2018-04-12 10:24:01,487 INFO L460 AbstractCegarLoop]: Interpolant automaton has 23 states. [2018-04-12 10:24:01,487 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 46 transitions. [2018-04-12 10:24:01,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-04-12 10:24:01,487 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 10:24:01,487 INFO L355 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 10:24:01,487 INFO L408 AbstractCegarLoop]: === Iteration 31 === [__U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpyErr5RequiresViolation, __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpyErr3RequiresViolation, __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpyErr1RequiresViolation, __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpyErr7RequiresViolation, __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpyErr2RequiresViolation, __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpyErr4RequiresViolation, __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpyErr6RequiresViolation, __U_MULTI_fopenbsd_cstrlcpy_alloca_true_valid_memsafety_true_termination_i__cstrlcpyErr0RequiresViolation, mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-12 10:24:01,487 INFO L82 PathProgramCache]: Analyzing trace with hash -1621062732, now seen corresponding path program 3 times [2018-04-12 10:24:01,487 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-12 10:24:01,487 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-12 10:24:01,488 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 10:24:01,488 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-04-12 10:24:01,488 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 10:24:01,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 10:24:01,496 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 10:24:01,757 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-04-12 10:24:01,757 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-04-12 10:24:01,757 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 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-04-12 10:24:01,764 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST2 [2018-04-12 10:24:01,813 INFO L242 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2018-04-12 10:24:01,813 INFO L243 tOrderPrioritization]: Conjunction of SSA is unsat [2018-04-12 10:24:01,816 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-12 10:24:01,818 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-04-12 10:24:01,819 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-12 10:24:01,823 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 10:24:01,824 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2018-04-12 10:24:01,829 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-04-12 10:24:01,830 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-12 10:24:01,837 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 10:24:01,837 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 10:24:01,838 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 4 [2018-04-12 10:24:01,838 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 10:24:01,842 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 10:24:01,842 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:20, output treesize:13 [2018-04-12 10:24:01,853 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 15 treesize of output 12 [2018-04-12 10:24:01,855 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2018-04-12 10:24:01,855 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 10:24:01,856 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 10:24:01,860 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-12 10:24:01,860 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:20, output treesize:16 [2018-04-12 10:24:01,917 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 23 treesize of output 24 [2018-04-12 10:24:01,918 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 [2018-04-12 10:24:01,919 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 10:24:01,922 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 10:24:01,925 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-12 10:24:01,925 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:27, output treesize:16 [2018-04-12 10:24:01,956 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 23 treesize of output 24 [2018-04-12 10:24:01,958 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 [2018-04-12 10:24:01,958 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 10:24:01,963 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 10:24:01,968 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-12 10:24:01,968 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:27, output treesize:16 [2018-04-12 10:24:02,005 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 21 treesize of output 17 [2018-04-12 10:24:02,022 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 17 treesize of output 14 [2018-04-12 10:24:02,023 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 2 xjuncts. [2018-04-12 10:24:02,026 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-12 10:24:02,032 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2018-04-12 10:24:02,033 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:29, output treesize:32 [2018-04-12 10:24:02,078 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-04-12 10:24:02,105 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-12 10:24:02,106 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 13] total 21 [2018-04-12 10:24:02,106 INFO L442 AbstractCegarLoop]: Interpolant automaton has 22 states [2018-04-12 10:24:02,106 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2018-04-12 10:24:02,106 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=63, Invalid=399, Unknown=0, NotChecked=0, Total=462 [2018-04-12 10:24:02,106 INFO L87 Difference]: Start difference. First operand 45 states and 46 transitions. Second operand 22 states. [2018-04-12 10:24:02,552 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 10:24:02,552 INFO L93 Difference]: Finished difference Result 44 states and 45 transitions. [2018-04-12 10:24:02,552 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-04-12 10:24:02,552 INFO L78 Accepts]: Start accepts. Automaton has 22 states. Word has length 44 [2018-04-12 10:24:02,552 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 10:24:02,552 INFO L225 Difference]: With dead ends: 44 [2018-04-12 10:24:02,552 INFO L226 Difference]: Without dead ends: 0 [2018-04-12 10:24:02,553 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 31 SyntacticMatches, 10 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 178 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=166, Invalid=890, Unknown=0, NotChecked=0, Total=1056 [2018-04-12 10:24:02,553 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-04-12 10:24:02,553 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-04-12 10:24:02,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-04-12 10:24:02,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-04-12 10:24:02,553 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 44 [2018-04-12 10:24:02,553 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 10:24:02,553 INFO L459 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-04-12 10:24:02,553 INFO L460 AbstractCegarLoop]: Interpolant automaton has 22 states. [2018-04-12 10:24:02,553 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-04-12 10:24:02,553 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-04-12 10:24:02,556 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.04 10:24:02 BoogieIcfgContainer [2018-04-12 10:24:02,556 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-04-12 10:24:02,557 INFO L168 Benchmark]: Toolchain (without parser) took 18769.06 ms. Allocated memory was 394.3 MB in the beginning and 850.9 MB in the end (delta: 456.7 MB). Free memory was 332.1 MB in the beginning and 491.8 MB in the end (delta: -159.7 MB). Peak memory consumption was 296.9 MB. Max. memory is 5.3 GB. [2018-04-12 10:24:02,557 INFO L168 Benchmark]: CDTParser took 0.13 ms. Allocated memory is still 394.3 MB. Free memory is still 357.3 MB. There was no memory consumed. Max. memory is 5.3 GB. [2018-04-12 10:24:02,557 INFO L168 Benchmark]: CACSL2BoogieTranslator took 267.77 ms. Allocated memory is still 394.3 MB. Free memory was 332.1 MB in the beginning and 307.0 MB in the end (delta: 25.1 MB). Peak memory consumption was 25.1 MB. Max. memory is 5.3 GB. [2018-04-12 10:24:02,558 INFO L168 Benchmark]: Boogie Preprocessor took 39.15 ms. Allocated memory is still 394.3 MB. Free memory was 307.0 MB in the beginning and 304.3 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 5.3 GB. [2018-04-12 10:24:02,558 INFO L168 Benchmark]: RCFGBuilder took 379.55 ms. Allocated memory was 394.3 MB in the beginning and 593.0 MB in the end (delta: 198.7 MB). Free memory was 304.3 MB in the beginning and 527.0 MB in the end (delta: -222.7 MB). Peak memory consumption was 22.9 MB. Max. memory is 5.3 GB. [2018-04-12 10:24:02,558 INFO L168 Benchmark]: TraceAbstraction took 18080.18 ms. Allocated memory was 593.0 MB in the beginning and 850.9 MB in the end (delta: 257.9 MB). Free memory was 527.0 MB in the beginning and 491.8 MB in the end (delta: 35.2 MB). Peak memory consumption was 293.2 MB. Max. memory is 5.3 GB. [2018-04-12 10:24:02,558 INFO L344 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13 ms. Allocated memory is still 394.3 MB. Free memory is still 357.3 MB. There was no memory consumed. Max. memory is 5.3 GB. * CACSL2BoogieTranslator took 267.77 ms. Allocated memory is still 394.3 MB. Free memory was 332.1 MB in the beginning and 307.0 MB in the end (delta: 25.1 MB). Peak memory consumption was 25.1 MB. Max. memory is 5.3 GB. * Boogie Preprocessor took 39.15 ms. Allocated memory is still 394.3 MB. Free memory was 307.0 MB in the beginning and 304.3 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 5.3 GB. * RCFGBuilder took 379.55 ms. Allocated memory was 394.3 MB in the beginning and 593.0 MB in the end (delta: 198.7 MB). Free memory was 304.3 MB in the beginning and 527.0 MB in the end (delta: -222.7 MB). Peak memory consumption was 22.9 MB. Max. memory is 5.3 GB. * TraceAbstraction took 18080.18 ms. Allocated memory was 593.0 MB in the beginning and 850.9 MB in the end (delta: 257.9 MB). Free memory was 527.0 MB in the beginning and 491.8 MB in the end (delta: 35.2 MB). Peak memory consumption was 293.2 MB. Max. memory is 5.3 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 554]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 548]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 548]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 555]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 548]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 554]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 555]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 548]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 572]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 571]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 572]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 560]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - PositiveResult [Line: 571]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - AllSpecificationsHoldResult: All specifications hold 13 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 6 procedures, 61 locations, 13 error locations. SAFE Result, 18.0s OverallTime, 31 OverallIterations, 4 TraceHistogramMax, 10.2s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 1102 SDtfs, 2096 SDslu, 6356 SDs, 0 SdLazy, 6000 SolverSat, 472 SolverUnsat, 3 SolverUnknown, 0 SolverNotchecked, 4.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 910 GetRequests, 322 SyntacticMatches, 26 SemanticMatches, 562 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2661 ImplicationChecksByTransitivity, 9.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=96occurred in iteration=18, 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, 31 MinimizatonAttempts, 213 StatesRemovedByMinimization, 16 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 6.5s InterpolantComputationTime, 1235 NumberOfCodeBlocks, 1235 NumberOfCodeBlocksAsserted, 53 NumberOfCheckSat, 1192 ConstructedInterpolants, 81 QuantifiedInterpolants, 415856 SizeOfPredicates, 177 NumberOfNonLiveVariables, 2188 ConjunctsInSsa, 577 ConjunctsInUnsatCore, 43 InterpolantComputations, 20 PerfectInterpolantSequences, 43/291 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_cstrlcpy-alloca_true-valid-memsafety_true-termination.i_svcomp-DerefFreeMemtrack-32bit-Automizer_Camel.epf_AutomizerC.xml/Csv-Benchmark-0-2018-04-12_10-24-02-563.csv Written .csv to /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/openbsd_cstrlcpy-alloca_true-valid-memsafety_true-termination.i_svcomp-DerefFreeMemtrack-32bit-Automizer_Camel.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-0-2018-04-12_10-24-02-563.csv Received shutdown request...