java -Xmx6000000000 -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data ./data --generate-csv --csv-dir ../../../releaseScripts/default/UAutomizer-linux/csv --cacsl2boogietranslator.bitprecise.bitfields false -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/cade18-smtinterpol/svcomp-DerefFreeMemtrack-32bit-Automizer_Camel.epf -i ../../../trunk/examples/svcomp/array-memsafety/openbsd_cstrcpy-alloca_true-valid-memsafety_true-termination.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-408c70d-m [2018-04-12 10:23:13,620 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-04-12 10:23:13,621 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-04-12 10:23:13,632 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-04-12 10:23:13,632 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-04-12 10:23:13,633 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-04-12 10:23:13,634 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-04-12 10:23:13,635 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-04-12 10:23:13,637 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-04-12 10:23:13,638 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-04-12 10:23:13,638 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-04-12 10:23:13,638 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-04-12 10:23:13,639 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-04-12 10:23:13,640 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-04-12 10:23:13,641 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-04-12 10:23:13,643 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-04-12 10:23:13,644 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-04-12 10:23:13,646 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-04-12 10:23:13,647 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-04-12 10:23:13,648 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-04-12 10:23:13,649 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2018-04-12 10:23:13,654 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-04-12 10:23:13,654 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-04-12 10:23:13,654 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 10:23:13,664 INFO L110 SettingsManager]: Loading preferences was successful [2018-04-12 10:23:13,664 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-04-12 10:23:13,665 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-04-12 10:23:13,665 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-04-12 10:23:13,665 INFO L133 SettingsManager]: * Use SBE=true [2018-04-12 10:23:13,666 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-04-12 10:23:13,666 INFO L133 SettingsManager]: * sizeof long=4 [2018-04-12 10:23:13,666 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-04-12 10:23:13,666 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-04-12 10:23:13,666 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-04-12 10:23:13,667 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-04-12 10:23:13,667 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-04-12 10:23:13,667 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2018-04-12 10:23:13,667 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-04-12 10:23:13,667 INFO L133 SettingsManager]: * sizeof long double=12 [2018-04-12 10:23:13,667 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-04-12 10:23:13,667 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-04-12 10:23:13,668 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-04-12 10:23:13,668 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-04-12 10:23:13,668 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-04-12 10:23:13,668 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-04-12 10:23:13,668 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-04-12 10:23:13,668 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-04-12 10:23:13,669 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 10:23:13,697 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-04-12 10:23:13,706 INFO L266 ainManager$Toolchain]: [Toolchain 1]: Parser(s) successfully (re)initialized [2018-04-12 10:23:13,711 INFO L222 ainManager$Toolchain]: [Toolchain 1]: Toolchain data selected. [2018-04-12 10:23:13,712 INFO L271 PluginConnector]: Initializing CDTParser... [2018-04-12 10:23:13,713 INFO L276 PluginConnector]: CDTParser initialized [2018-04-12 10:23:13,713 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/array-memsafety/openbsd_cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:23:14,079 INFO L225 CDTParser]: Created temporary CDT project at /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/data/FLAGf8310691a [2018-04-12 10:23:14,194 INFO L287 CDTParser]: IsIndexed: true [2018-04-12 10:23:14,194 INFO L288 CDTParser]: Found 1 translation units. [2018-04-12 10:23:14,194 INFO L168 CDTParser]: Scanning openbsd_cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:23:14,201 INFO L210 ultiparseSymbolTable]: Include resolver: [2018-04-12 10:23:14,201 INFO L215 ultiparseSymbolTable]: [2018-04-12 10:23:14,202 INFO L218 ultiparseSymbolTable]: Function table: [2018-04-12 10:23:14,202 INFO L221 ultiparseSymbolTable]: Function definition of __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i____bswap_64 ('__bswap_64') in openbsd_cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:23:14,202 INFO L221 ultiparseSymbolTable]: Function definition of __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i____bswap_32 ('__bswap_32') in openbsd_cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:23:14,202 INFO L221 ultiparseSymbolTable]: Function definition of __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i__cstrcpy ('cstrcpy') in openbsd_cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:23:14,202 INFO L221 ultiparseSymbolTable]: Function definition of null ('main') in openbsd_cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:23:14,202 INFO L227 ultiparseSymbolTable]: Global variable table: [2018-04-12 10:23:14,202 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i__fd_set in openbsd_cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:23:14,202 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i__pthread_rwlock_t in openbsd_cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:23:14,202 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i__uid_t in openbsd_cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:23:14,202 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i____id_t in openbsd_cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:23:14,202 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i__lldiv_t in openbsd_cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:23:14,202 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i____rlim64_t in openbsd_cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:23:14,203 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i____syscall_ulong_t in openbsd_cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:23:14,203 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i__blksize_t in openbsd_cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:23:14,203 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i____qaddr_t in openbsd_cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:23:14,203 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i____blksize_t in openbsd_cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:23:14,203 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i__fsblkcnt_t in openbsd_cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:23:14,203 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i____uint32_t in openbsd_cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:23:14,203 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i____caddr_t in openbsd_cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:23:14,203 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i__time_t in openbsd_cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:23:14,203 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i__div_t in openbsd_cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:23:14,203 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i____int32_t in openbsd_cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:23:14,203 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i____dev_t in openbsd_cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:23:14,203 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i____fsblkcnt_t in openbsd_cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:23:14,203 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i__int16_t in openbsd_cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:23:14,203 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i__pthread_key_t in openbsd_cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:23:14,203 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i__sigset_t in openbsd_cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:23:14,203 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i____u_short in openbsd_cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:23:14,203 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i__mode_t in openbsd_cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:23:14,204 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i__ulong in openbsd_cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:23:14,204 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i____u_long in openbsd_cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:23:14,204 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i__caddr_t in openbsd_cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:23:14,204 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i__ino_t in openbsd_cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:23:14,204 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i__clock_t in openbsd_cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:23:14,204 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i____uint16_t in openbsd_cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:23:14,204 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i__daddr_t in openbsd_cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:23:14,204 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i____fsid_t in openbsd_cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:23:14,204 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i__ldiv_t in openbsd_cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:23:14,204 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i____fsfilcnt64_t in openbsd_cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:23:14,204 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i__u_long in openbsd_cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:23:14,204 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i__pid_t in openbsd_cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:23:14,204 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i____syscall_slong_t in openbsd_cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:23:14,204 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i____int8_t in openbsd_cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:23:14,204 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i____loff_t in openbsd_cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:23:14,204 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i__int64_t in openbsd_cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:23:14,204 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i__fsid_t in openbsd_cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:23:14,204 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i__pthread_barrierattr_t in openbsd_cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:23:14,205 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i__register_t in openbsd_cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:23:14,205 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i____clock_t in openbsd_cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:23:14,205 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i__pthread_mutex_t in openbsd_cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:23:14,205 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i____WAIT_STATUS in openbsd_cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:23:14,205 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i____time_t in openbsd_cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:23:14,205 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i____uint8_t in openbsd_cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:23:14,205 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i____daddr_t in openbsd_cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:23:14,205 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i____key_t in openbsd_cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:23:14,205 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i__ushort in openbsd_cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:23:14,205 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i__int8_t in openbsd_cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:23:14,205 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i____fsfilcnt_t in openbsd_cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:23:14,205 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i__u_quad_t in openbsd_cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:23:14,205 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i__loff_t in openbsd_cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:23:14,205 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i__u_int64_t in openbsd_cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:23:14,205 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i__wchar_t in openbsd_cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:23:14,205 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i__uint in openbsd_cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:23:14,205 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i__nlink_t in openbsd_cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:23:14,205 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i__pthread_t in openbsd_cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:23:14,206 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i____int64_t in openbsd_cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:23:14,206 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i____useconds_t in openbsd_cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:23:14,206 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i__id_t in openbsd_cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:23:14,206 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i__dev_t in openbsd_cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:23:14,206 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i__pthread_condattr_t in openbsd_cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:23:14,206 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i__pthread_attr_t in openbsd_cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:23:14,206 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i____sig_atomic_t in openbsd_cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:23:14,206 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i__u_int8_t in openbsd_cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:23:14,206 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i____u_int in openbsd_cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:23:14,206 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i____fd_mask in openbsd_cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:23:14,206 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i__quad_t in openbsd_cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:23:14,206 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i____clockid_t in openbsd_cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:23:14,206 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i__clockid_t in openbsd_cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:23:14,206 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i____blkcnt_t in openbsd_cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:23:14,206 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i__pthread_cond_t in openbsd_cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:23:14,206 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i____sigset_t in openbsd_cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:23:14,206 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i__u_int16_t in openbsd_cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:23:14,206 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i__ssize_t in openbsd_cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:23:14,207 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i__suseconds_t in openbsd_cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:23:14,207 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i__pthread_once_t in openbsd_cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:23:14,207 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i____fsword_t in openbsd_cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:23:14,207 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i__pthread_spinlock_t in openbsd_cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:23:14,207 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i__fd_mask in openbsd_cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:23:14,207 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i____uint64_t in openbsd_cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:23:14,207 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i____ino_t in openbsd_cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:23:14,207 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i____uid_t in openbsd_cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:23:14,207 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i__gid_t in openbsd_cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:23:14,207 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i____ino64_t in openbsd_cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:23:14,207 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i__u_short in openbsd_cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:23:14,208 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i____socklen_t in openbsd_cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:23:14,208 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i__int32_t in openbsd_cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:23:14,208 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i____mode_t in openbsd_cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:23:14,208 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i__pthread_rwlockattr_t in openbsd_cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:23:14,208 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i____blkcnt64_t in openbsd_cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:23:14,208 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i____gid_t in openbsd_cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:23:14,208 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i__fsfilcnt_t in openbsd_cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:23:14,208 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i____int16_t in openbsd_cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:23:14,208 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i____off_t in openbsd_cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:23:14,208 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i____nlink_t in openbsd_cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:23:14,208 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i__off_t in openbsd_cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:23:14,208 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i____intptr_t in openbsd_cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:23:14,209 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i__size_t in openbsd_cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:23:14,209 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i__timer_t in openbsd_cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:23:14,209 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i__blkcnt_t in openbsd_cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:23:14,209 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i____ssize_t in openbsd_cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:23:14,209 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i__u_char in openbsd_cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:23:14,209 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i__key_t in openbsd_cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:23:14,209 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i__u_int32_t in openbsd_cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:23:14,209 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i____pthread_list_t in openbsd_cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:23:14,209 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i__u_int in openbsd_cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:23:14,209 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i____rlim_t in openbsd_cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:23:14,209 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i____timer_t in openbsd_cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:23:14,210 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i__pthread_barrier_t in openbsd_cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:23:14,210 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i____u_quad_t in openbsd_cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:23:14,210 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i____off64_t in openbsd_cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:23:14,210 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i____pid_t in openbsd_cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:23:14,210 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i____suseconds_t in openbsd_cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:23:14,210 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i__pthread_mutexattr_t in openbsd_cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:23:14,210 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i____u_char in openbsd_cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:23:14,210 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i____quad_t in openbsd_cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:23:14,210 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i____fsblkcnt64_t in openbsd_cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:23:14,223 INFO L330 CDTParser]: Deleted temporary CDT project at /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/data/FLAGf8310691a [2018-04-12 10:23:14,226 INFO L304 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-04-12 10:23:14,227 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-04-12 10:23:14,227 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-04-12 10:23:14,227 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-04-12 10:23:14,230 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-04-12 10:23:14,231 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.04 10:23:14" (1/1) ... [2018-04-12 10:23:14,233 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1469160b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.04 10:23:14, skipping insertion in model container [2018-04-12 10:23:14,233 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.04 10:23:14" (1/1) ... [2018-04-12 10:23:14,247 INFO L167 Dispatcher]: Using SV-COMP mode [2018-04-12 10:23:14,268 INFO L167 Dispatcher]: Using SV-COMP mode [2018-04-12 10:23:14,385 INFO L175 PostProcessor]: Settings: Checked method=main [2018-04-12 10:23:14,417 INFO L175 PostProcessor]: Settings: Checked method=main [2018-04-12 10:23:14,423 INFO L100 SccComputation]: Graph consists of 0 InCaSumBalls and 112 non ball SCCs. Number of states in SCCs 112. [2018-04-12 10:23:14,457 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.04 10:23:14 WrapperNode [2018-04-12 10:23:14,458 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-04-12 10:23:14,458 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-04-12 10:23:14,458 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-04-12 10:23:14,458 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-04-12 10:23:14,469 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.04 10:23:14" (1/1) ... [2018-04-12 10:23:14,469 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.04 10:23:14" (1/1) ... [2018-04-12 10:23:14,480 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.04 10:23:14" (1/1) ... [2018-04-12 10:23:14,481 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.04 10:23:14" (1/1) ... [2018-04-12 10:23:14,488 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.04 10:23:14" (1/1) ... [2018-04-12 10:23:14,492 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.04 10:23:14" (1/1) ... [2018-04-12 10:23:14,494 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.04 10:23:14" (1/1) ... [2018-04-12 10:23:14,497 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-04-12 10:23:14,497 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-04-12 10:23:14,497 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-04-12 10:23:14,497 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-04-12 10:23:14,498 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.04 10:23:14" (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 10:23:14,581 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-04-12 10:23:14,581 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-04-12 10:23:14,581 INFO L136 BoogieDeclarations]: Found implementation of procedure __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i____bswap_32 [2018-04-12 10:23:14,581 INFO L136 BoogieDeclarations]: Found implementation of procedure __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i____bswap_64 [2018-04-12 10:23:14,581 INFO L136 BoogieDeclarations]: Found implementation of procedure __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i__cstrcpy [2018-04-12 10:23:14,582 INFO L136 BoogieDeclarations]: Found implementation of procedure main [2018-04-12 10:23:14,582 INFO L128 BoogieDeclarations]: Found specification of procedure __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i____bswap_32 [2018-04-12 10:23:14,582 INFO L128 BoogieDeclarations]: Found specification of procedure __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i____bswap_64 [2018-04-12 10:23:14,582 INFO L128 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2018-04-12 10:23:14,582 INFO L128 BoogieDeclarations]: Found specification of procedure atof [2018-04-12 10:23:14,582 INFO L128 BoogieDeclarations]: Found specification of procedure atoi [2018-04-12 10:23:14,582 INFO L128 BoogieDeclarations]: Found specification of procedure atol [2018-04-12 10:23:14,582 INFO L128 BoogieDeclarations]: Found specification of procedure atoll [2018-04-12 10:23:14,582 INFO L128 BoogieDeclarations]: Found specification of procedure strtod [2018-04-12 10:23:14,582 INFO L128 BoogieDeclarations]: Found specification of procedure strtof [2018-04-12 10:23:14,582 INFO L128 BoogieDeclarations]: Found specification of procedure strtold [2018-04-12 10:23:14,582 INFO L128 BoogieDeclarations]: Found specification of procedure strtol [2018-04-12 10:23:14,582 INFO L128 BoogieDeclarations]: Found specification of procedure strtoul [2018-04-12 10:23:14,582 INFO L128 BoogieDeclarations]: Found specification of procedure strtoq [2018-04-12 10:23:14,582 INFO L128 BoogieDeclarations]: Found specification of procedure strtouq [2018-04-12 10:23:14,582 INFO L128 BoogieDeclarations]: Found specification of procedure strtoll [2018-04-12 10:23:14,583 INFO L128 BoogieDeclarations]: Found specification of procedure strtoull [2018-04-12 10:23:14,583 INFO L128 BoogieDeclarations]: Found specification of procedure l64a [2018-04-12 10:23:14,583 INFO L128 BoogieDeclarations]: Found specification of procedure a64l [2018-04-12 10:23:14,583 INFO L128 BoogieDeclarations]: Found specification of procedure select [2018-04-12 10:23:14,583 INFO L128 BoogieDeclarations]: Found specification of procedure pselect [2018-04-12 10:23:14,583 INFO L128 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2018-04-12 10:23:14,583 INFO L128 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2018-04-12 10:23:14,583 INFO L128 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2018-04-12 10:23:14,583 INFO L128 BoogieDeclarations]: Found specification of procedure random [2018-04-12 10:23:14,583 INFO L128 BoogieDeclarations]: Found specification of procedure srandom [2018-04-12 10:23:14,583 INFO L128 BoogieDeclarations]: Found specification of procedure initstate [2018-04-12 10:23:14,583 INFO L128 BoogieDeclarations]: Found specification of procedure setstate [2018-04-12 10:23:14,583 INFO L128 BoogieDeclarations]: Found specification of procedure random_r [2018-04-12 10:23:14,583 INFO L128 BoogieDeclarations]: Found specification of procedure srandom_r [2018-04-12 10:23:14,583 INFO L128 BoogieDeclarations]: Found specification of procedure initstate_r [2018-04-12 10:23:14,583 INFO L128 BoogieDeclarations]: Found specification of procedure setstate_r [2018-04-12 10:23:14,583 INFO L128 BoogieDeclarations]: Found specification of procedure rand [2018-04-12 10:23:14,583 INFO L128 BoogieDeclarations]: Found specification of procedure srand [2018-04-12 10:23:14,583 INFO L128 BoogieDeclarations]: Found specification of procedure rand_r [2018-04-12 10:23:14,584 INFO L128 BoogieDeclarations]: Found specification of procedure drand48 [2018-04-12 10:23:14,584 INFO L128 BoogieDeclarations]: Found specification of procedure erand48 [2018-04-12 10:23:14,584 INFO L128 BoogieDeclarations]: Found specification of procedure lrand48 [2018-04-12 10:23:14,584 INFO L128 BoogieDeclarations]: Found specification of procedure nrand48 [2018-04-12 10:23:14,584 INFO L128 BoogieDeclarations]: Found specification of procedure mrand48 [2018-04-12 10:23:14,584 INFO L128 BoogieDeclarations]: Found specification of procedure jrand48 [2018-04-12 10:23:14,584 INFO L128 BoogieDeclarations]: Found specification of procedure srand48 [2018-04-12 10:23:14,584 INFO L128 BoogieDeclarations]: Found specification of procedure seed48 [2018-04-12 10:23:14,584 INFO L128 BoogieDeclarations]: Found specification of procedure lcong48 [2018-04-12 10:23:14,584 INFO L128 BoogieDeclarations]: Found specification of procedure drand48_r [2018-04-12 10:23:14,584 INFO L128 BoogieDeclarations]: Found specification of procedure erand48_r [2018-04-12 10:23:14,584 INFO L128 BoogieDeclarations]: Found specification of procedure lrand48_r [2018-04-12 10:23:14,584 INFO L128 BoogieDeclarations]: Found specification of procedure nrand48_r [2018-04-12 10:23:14,584 INFO L128 BoogieDeclarations]: Found specification of procedure mrand48_r [2018-04-12 10:23:14,584 INFO L128 BoogieDeclarations]: Found specification of procedure jrand48_r [2018-04-12 10:23:14,584 INFO L128 BoogieDeclarations]: Found specification of procedure srand48_r [2018-04-12 10:23:14,584 INFO L128 BoogieDeclarations]: Found specification of procedure seed48_r [2018-04-12 10:23:14,584 INFO L128 BoogieDeclarations]: Found specification of procedure lcong48_r [2018-04-12 10:23:14,585 INFO L128 BoogieDeclarations]: Found specification of procedure malloc [2018-04-12 10:23:14,585 INFO L128 BoogieDeclarations]: Found specification of procedure calloc [2018-04-12 10:23:14,585 INFO L128 BoogieDeclarations]: Found specification of procedure realloc [2018-04-12 10:23:14,585 INFO L128 BoogieDeclarations]: Found specification of procedure free [2018-04-12 10:23:14,585 INFO L128 BoogieDeclarations]: Found specification of procedure cfree [2018-04-12 10:23:14,585 INFO L128 BoogieDeclarations]: Found specification of procedure alloca [2018-04-12 10:23:14,585 INFO L128 BoogieDeclarations]: Found specification of procedure valloc [2018-04-12 10:23:14,585 INFO L128 BoogieDeclarations]: Found specification of procedure posix_memalign [2018-04-12 10:23:14,585 INFO L128 BoogieDeclarations]: Found specification of procedure abort [2018-04-12 10:23:14,585 INFO L128 BoogieDeclarations]: Found specification of procedure atexit [2018-04-12 10:23:14,585 INFO L128 BoogieDeclarations]: Found specification of procedure on_exit [2018-04-12 10:23:14,585 INFO L128 BoogieDeclarations]: Found specification of procedure exit [2018-04-12 10:23:14,585 INFO L128 BoogieDeclarations]: Found specification of procedure _Exit [2018-04-12 10:23:14,585 INFO L128 BoogieDeclarations]: Found specification of procedure getenv [2018-04-12 10:23:14,585 INFO L128 BoogieDeclarations]: Found specification of procedure putenv [2018-04-12 10:23:14,585 INFO L128 BoogieDeclarations]: Found specification of procedure setenv [2018-04-12 10:23:14,585 INFO L128 BoogieDeclarations]: Found specification of procedure unsetenv [2018-04-12 10:23:14,585 INFO L128 BoogieDeclarations]: Found specification of procedure clearenv [2018-04-12 10:23:14,585 INFO L128 BoogieDeclarations]: Found specification of procedure mktemp [2018-04-12 10:23:14,585 INFO L128 BoogieDeclarations]: Found specification of procedure mkstemp [2018-04-12 10:23:14,586 INFO L128 BoogieDeclarations]: Found specification of procedure mkstemps [2018-04-12 10:23:14,586 INFO L128 BoogieDeclarations]: Found specification of procedure mkdtemp [2018-04-12 10:23:14,586 INFO L128 BoogieDeclarations]: Found specification of procedure system [2018-04-12 10:23:14,586 INFO L128 BoogieDeclarations]: Found specification of procedure realpath [2018-04-12 10:23:14,586 INFO L128 BoogieDeclarations]: Found specification of procedure bsearch [2018-04-12 10:23:14,586 INFO L128 BoogieDeclarations]: Found specification of procedure qsort [2018-04-12 10:23:14,586 INFO L128 BoogieDeclarations]: Found specification of procedure abs [2018-04-12 10:23:14,586 INFO L128 BoogieDeclarations]: Found specification of procedure labs [2018-04-12 10:23:14,586 INFO L128 BoogieDeclarations]: Found specification of procedure llabs [2018-04-12 10:23:14,586 INFO L128 BoogieDeclarations]: Found specification of procedure div [2018-04-12 10:23:14,586 INFO L128 BoogieDeclarations]: Found specification of procedure ldiv [2018-04-12 10:23:14,586 INFO L128 BoogieDeclarations]: Found specification of procedure lldiv [2018-04-12 10:23:14,586 INFO L128 BoogieDeclarations]: Found specification of procedure ecvt [2018-04-12 10:23:14,586 INFO L128 BoogieDeclarations]: Found specification of procedure fcvt [2018-04-12 10:23:14,586 INFO L128 BoogieDeclarations]: Found specification of procedure gcvt [2018-04-12 10:23:14,586 INFO L128 BoogieDeclarations]: Found specification of procedure qecvt [2018-04-12 10:23:14,586 INFO L128 BoogieDeclarations]: Found specification of procedure qfcvt [2018-04-12 10:23:14,586 INFO L128 BoogieDeclarations]: Found specification of procedure qgcvt [2018-04-12 10:23:14,587 INFO L128 BoogieDeclarations]: Found specification of procedure ecvt_r [2018-04-12 10:23:14,587 INFO L128 BoogieDeclarations]: Found specification of procedure fcvt_r [2018-04-12 10:23:14,587 INFO L128 BoogieDeclarations]: Found specification of procedure qecvt_r [2018-04-12 10:23:14,587 INFO L128 BoogieDeclarations]: Found specification of procedure qfcvt_r [2018-04-12 10:23:14,587 INFO L128 BoogieDeclarations]: Found specification of procedure mblen [2018-04-12 10:23:14,587 INFO L128 BoogieDeclarations]: Found specification of procedure mbtowc [2018-04-12 10:23:14,587 INFO L128 BoogieDeclarations]: Found specification of procedure wctomb [2018-04-12 10:23:14,587 INFO L128 BoogieDeclarations]: Found specification of procedure mbstowcs [2018-04-12 10:23:14,587 INFO L128 BoogieDeclarations]: Found specification of procedure wcstombs [2018-04-12 10:23:14,587 INFO L128 BoogieDeclarations]: Found specification of procedure rpmatch [2018-04-12 10:23:14,587 INFO L128 BoogieDeclarations]: Found specification of procedure getsubopt [2018-04-12 10:23:14,587 INFO L128 BoogieDeclarations]: Found specification of procedure getloadavg [2018-04-12 10:23:14,587 INFO L128 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-04-12 10:23:14,587 INFO L128 BoogieDeclarations]: Found specification of procedure __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i__cstrcpy [2018-04-12 10:23:14,587 INFO L128 BoogieDeclarations]: Found specification of procedure read~int [2018-04-12 10:23:14,587 INFO L128 BoogieDeclarations]: Found specification of procedure write~int [2018-04-12 10:23:14,587 INFO L128 BoogieDeclarations]: Found specification of procedure main [2018-04-12 10:23:14,587 INFO L128 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-04-12 10:23:14,588 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-04-12 10:23:14,588 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-04-12 10:23:14,588 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-04-12 10:23:14,588 INFO L128 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2018-04-12 10:23:14,848 INFO L259 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-04-12 10:23:14,849 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.04 10:23:14 BoogieIcfgContainer [2018-04-12 10:23:14,849 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-04-12 10:23:14,850 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-04-12 10:23:14,850 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-04-12 10:23:14,851 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-04-12 10:23:14,852 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.04 10:23:14" (1/3) ... [2018-04-12 10:23:14,852 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4dc15789 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.04 10:23:14, skipping insertion in model container [2018-04-12 10:23:14,852 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.04 10:23:14" (2/3) ... [2018-04-12 10:23:14,852 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4dc15789 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.04 10:23:14, skipping insertion in model container [2018-04-12 10:23:14,852 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.04 10:23:14" (3/3) ... [2018-04-12 10:23:14,853 INFO L107 eAbstractionObserver]: Analyzing ICFG openbsd_cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:23:14,859 INFO L131 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-04-12 10:23:14,867 INFO L143 ceAbstractionStarter]: Appying trace abstraction to program that has 7 error locations. [2018-04-12 10:23:14,889 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2018-04-12 10:23:14,890 INFO L369 AbstractCegarLoop]: Interprodecural is true [2018-04-12 10:23:14,890 INFO L370 AbstractCegarLoop]: Hoare is false [2018-04-12 10:23:14,890 INFO L371 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-04-12 10:23:14,890 INFO L372 AbstractCegarLoop]: Backedges is TWOTRACK [2018-04-12 10:23:14,890 INFO L373 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-04-12 10:23:14,890 INFO L374 AbstractCegarLoop]: Difference is false [2018-04-12 10:23:14,890 INFO L375 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-04-12 10:23:14,890 INFO L380 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-04-12 10:23:14,891 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-04-12 10:23:14,897 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states. [2018-04-12 10:23:14,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-04-12 10:23:14,904 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 10:23:14,904 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 10:23:14,904 INFO L408 AbstractCegarLoop]: === Iteration 1 === [__U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i__cstrcpyErr1RequiresViolation, __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i__cstrcpyErr0RequiresViolation, __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i__cstrcpyErr2RequiresViolation, __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i__cstrcpyErr3RequiresViolation, mainErr1RequiresViolation, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-12 10:23:14,907 INFO L82 PathProgramCache]: Analyzing trace with hash 1015483767, now seen corresponding path program 1 times [2018-04-12 10:23:14,908 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-12 10:23:14,908 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-12 10:23:14,938 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 10:23:14,938 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-12 10:23:14,938 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 10:23:14,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 10:23:14,968 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 10:23:14,999 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 10:23:15,001 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-12 10:23:15,001 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-04-12 10:23:15,003 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-04-12 10:23:15,013 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-04-12 10:23:15,014 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-04-12 10:23:15,015 INFO L87 Difference]: Start difference. First operand 40 states. Second operand 4 states. [2018-04-12 10:23:15,056 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 10:23:15,057 INFO L93 Difference]: Finished difference Result 44 states and 47 transitions. [2018-04-12 10:23:15,057 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-04-12 10:23:15,058 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 10 [2018-04-12 10:23:15,058 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 10:23:15,064 INFO L225 Difference]: With dead ends: 44 [2018-04-12 10:23:15,065 INFO L226 Difference]: Without dead ends: 40 [2018-04-12 10:23:15,066 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 10:23:15,076 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40 states. [2018-04-12 10:23:15,085 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40 to 38. [2018-04-12 10:23:15,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 38 states. [2018-04-12 10:23:15,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 41 transitions. [2018-04-12 10:23:15,087 INFO L78 Accepts]: Start accepts. Automaton has 38 states and 41 transitions. Word has length 10 [2018-04-12 10:23:15,087 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 10:23:15,087 INFO L459 AbstractCegarLoop]: Abstraction has 38 states and 41 transitions. [2018-04-12 10:23:15,087 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-04-12 10:23:15,087 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 41 transitions. [2018-04-12 10:23:15,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-04-12 10:23:15,088 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 10:23:15,088 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 10:23:15,088 INFO L408 AbstractCegarLoop]: === Iteration 2 === [__U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i__cstrcpyErr1RequiresViolation, __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i__cstrcpyErr0RequiresViolation, __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i__cstrcpyErr2RequiresViolation, __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i__cstrcpyErr3RequiresViolation, mainErr1RequiresViolation, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-12 10:23:15,088 INFO L82 PathProgramCache]: Analyzing trace with hash 1015485689, now seen corresponding path program 1 times [2018-04-12 10:23:15,088 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-12 10:23:15,088 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-12 10:23:15,089 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 10:23:15,089 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-12 10:23:15,089 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 10:23:15,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 10:23:15,096 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 10:23:15,109 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 10:23:15,109 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-12 10:23:15,109 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-04-12 10:23:15,110 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-04-12 10:23:15,110 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-04-12 10:23:15,110 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-04-12 10:23:15,111 INFO L87 Difference]: Start difference. First operand 38 states and 41 transitions. Second operand 3 states. [2018-04-12 10:23:15,127 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 10:23:15,127 INFO L93 Difference]: Finished difference Result 39 states and 41 transitions. [2018-04-12 10:23:15,127 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-04-12 10:23:15,128 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 10 [2018-04-12 10:23:15,128 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 10:23:15,128 INFO L225 Difference]: With dead ends: 39 [2018-04-12 10:23:15,128 INFO L226 Difference]: Without dead ends: 38 [2018-04-12 10:23:15,129 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-04-12 10:23:15,129 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38 states. [2018-04-12 10:23:15,130 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38 to 37. [2018-04-12 10:23:15,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 37 states. [2018-04-12 10:23:15,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 39 transitions. [2018-04-12 10:23:15,131 INFO L78 Accepts]: Start accepts. Automaton has 37 states and 39 transitions. Word has length 10 [2018-04-12 10:23:15,131 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 10:23:15,131 INFO L459 AbstractCegarLoop]: Abstraction has 37 states and 39 transitions. [2018-04-12 10:23:15,131 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-04-12 10:23:15,131 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 39 transitions. [2018-04-12 10:23:15,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-04-12 10:23:15,132 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 10:23:15,132 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 10:23:15,132 INFO L408 AbstractCegarLoop]: === Iteration 3 === [__U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i__cstrcpyErr1RequiresViolation, __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i__cstrcpyErr0RequiresViolation, __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i__cstrcpyErr2RequiresViolation, __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i__cstrcpyErr3RequiresViolation, mainErr1RequiresViolation, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-12 10:23:15,132 INFO L82 PathProgramCache]: Analyzing trace with hash 1606378251, now seen corresponding path program 1 times [2018-04-12 10:23:15,132 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-12 10:23:15,132 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-12 10:23:15,133 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 10:23:15,133 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-12 10:23:15,133 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 10:23:15,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 10:23:15,143 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 10:23:15,168 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 10:23:15,169 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-12 10:23:15,169 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-04-12 10:23:15,169 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-04-12 10:23:15,169 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-04-12 10:23:15,169 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-04-12 10:23:15,170 INFO L87 Difference]: Start difference. First operand 37 states and 39 transitions. Second operand 4 states. [2018-04-12 10:23:15,221 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 10:23:15,221 INFO L93 Difference]: Finished difference Result 36 states and 38 transitions. [2018-04-12 10:23:15,222 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-04-12 10:23:15,222 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 14 [2018-04-12 10:23:15,222 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 10:23:15,223 INFO L225 Difference]: With dead ends: 36 [2018-04-12 10:23:15,223 INFO L226 Difference]: Without dead ends: 36 [2018-04-12 10:23:15,223 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 10:23:15,223 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36 states. [2018-04-12 10:23:15,225 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36 to 36. [2018-04-12 10:23:15,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 36 states. [2018-04-12 10:23:15,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 38 transitions. [2018-04-12 10:23:15,226 INFO L78 Accepts]: Start accepts. Automaton has 36 states and 38 transitions. Word has length 14 [2018-04-12 10:23:15,227 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 10:23:15,227 INFO L459 AbstractCegarLoop]: Abstraction has 36 states and 38 transitions. [2018-04-12 10:23:15,227 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-04-12 10:23:15,227 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 38 transitions. [2018-04-12 10:23:15,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-04-12 10:23:15,227 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 10:23:15,227 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 10:23:15,227 INFO L408 AbstractCegarLoop]: === Iteration 4 === [__U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i__cstrcpyErr1RequiresViolation, __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i__cstrcpyErr0RequiresViolation, __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i__cstrcpyErr2RequiresViolation, __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i__cstrcpyErr3RequiresViolation, mainErr1RequiresViolation, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-12 10:23:15,228 INFO L82 PathProgramCache]: Analyzing trace with hash 1606378252, now seen corresponding path program 1 times [2018-04-12 10:23:15,228 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-12 10:23:15,228 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-12 10:23:15,229 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 10:23:15,229 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-12 10:23:15,229 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 10:23:15,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 10:23:15,240 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 10:23:15,283 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 10:23:15,283 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-12 10:23:15,283 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-04-12 10:23:15,283 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-04-12 10:23:15,284 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-04-12 10:23:15,284 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-04-12 10:23:15,284 INFO L87 Difference]: Start difference. First operand 36 states and 38 transitions. Second operand 5 states. [2018-04-12 10:23:15,309 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 10:23:15,309 INFO L93 Difference]: Finished difference Result 35 states and 37 transitions. [2018-04-12 10:23:15,309 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-04-12 10:23:15,309 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 14 [2018-04-12 10:23:15,309 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 10:23:15,310 INFO L225 Difference]: With dead ends: 35 [2018-04-12 10:23:15,310 INFO L226 Difference]: Without dead ends: 35 [2018-04-12 10:23:15,310 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 10:23:15,310 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2018-04-12 10:23:15,311 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 35. [2018-04-12 10:23:15,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 35 states. [2018-04-12 10:23:15,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 37 transitions. [2018-04-12 10:23:15,312 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 37 transitions. Word has length 14 [2018-04-12 10:23:15,312 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 10:23:15,312 INFO L459 AbstractCegarLoop]: Abstraction has 35 states and 37 transitions. [2018-04-12 10:23:15,312 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-04-12 10:23:15,312 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 37 transitions. [2018-04-12 10:23:15,312 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-04-12 10:23:15,312 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 10:23:15,312 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 10:23:15,313 INFO L408 AbstractCegarLoop]: === Iteration 5 === [__U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i__cstrcpyErr1RequiresViolation, __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i__cstrcpyErr0RequiresViolation, __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i__cstrcpyErr2RequiresViolation, __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i__cstrcpyErr3RequiresViolation, mainErr1RequiresViolation, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-12 10:23:15,313 INFO L82 PathProgramCache]: Analyzing trace with hash -603948622, now seen corresponding path program 1 times [2018-04-12 10:23:15,313 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-12 10:23:15,313 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-12 10:23:15,313 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 10:23:15,313 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-12 10:23:15,313 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 10:23:15,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 10:23:15,322 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 10:23:15,348 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 10:23:15,348 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-12 10:23:15,348 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-04-12 10:23:15,348 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-04-12 10:23:15,349 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-04-12 10:23:15,349 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-04-12 10:23:15,349 INFO L87 Difference]: Start difference. First operand 35 states and 37 transitions. Second operand 5 states. [2018-04-12 10:23:15,390 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 10:23:15,390 INFO L93 Difference]: Finished difference Result 34 states and 36 transitions. [2018-04-12 10:23:15,391 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-04-12 10:23:15,391 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 18 [2018-04-12 10:23:15,391 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 10:23:15,391 INFO L225 Difference]: With dead ends: 34 [2018-04-12 10:23:15,392 INFO L226 Difference]: Without dead ends: 34 [2018-04-12 10:23:15,392 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 10:23:15,392 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34 states. [2018-04-12 10:23:15,394 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34 to 34. [2018-04-12 10:23:15,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 34 states. [2018-04-12 10:23:15,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 36 transitions. [2018-04-12 10:23:15,395 INFO L78 Accepts]: Start accepts. Automaton has 34 states and 36 transitions. Word has length 18 [2018-04-12 10:23:15,395 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 10:23:15,395 INFO L459 AbstractCegarLoop]: Abstraction has 34 states and 36 transitions. [2018-04-12 10:23:15,395 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-04-12 10:23:15,395 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 36 transitions. [2018-04-12 10:23:15,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-04-12 10:23:15,396 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 10:23:15,396 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 10:23:15,396 INFO L408 AbstractCegarLoop]: === Iteration 6 === [__U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i__cstrcpyErr1RequiresViolation, __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i__cstrcpyErr0RequiresViolation, __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i__cstrcpyErr2RequiresViolation, __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i__cstrcpyErr3RequiresViolation, mainErr1RequiresViolation, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-12 10:23:15,396 INFO L82 PathProgramCache]: Analyzing trace with hash -603948621, now seen corresponding path program 1 times [2018-04-12 10:23:15,396 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-12 10:23:15,396 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-12 10:23:15,397 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 10:23:15,397 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-12 10:23:15,397 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 10:23:15,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 10:23:15,408 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 10:23:15,474 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 10:23:15,474 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-12 10:23:15,474 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-04-12 10:23:15,474 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-04-12 10:23:15,474 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-04-12 10:23:15,475 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2018-04-12 10:23:15,475 INFO L87 Difference]: Start difference. First operand 34 states and 36 transitions. Second operand 8 states. [2018-04-12 10:23:15,556 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 10:23:15,556 INFO L93 Difference]: Finished difference Result 44 states and 47 transitions. [2018-04-12 10:23:15,556 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-04-12 10:23:15,556 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 18 [2018-04-12 10:23:15,556 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 10:23:15,558 INFO L225 Difference]: With dead ends: 44 [2018-04-12 10:23:15,558 INFO L226 Difference]: Without dead ends: 44 [2018-04-12 10:23:15,559 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2018-04-12 10:23:15,559 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44 states. [2018-04-12 10:23:15,561 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44 to 36. [2018-04-12 10:23:15,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 36 states. [2018-04-12 10:23:15,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 38 transitions. [2018-04-12 10:23:15,562 INFO L78 Accepts]: Start accepts. Automaton has 36 states and 38 transitions. Word has length 18 [2018-04-12 10:23:15,562 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 10:23:15,562 INFO L459 AbstractCegarLoop]: Abstraction has 36 states and 38 transitions. [2018-04-12 10:23:15,562 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-04-12 10:23:15,562 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 38 transitions. [2018-04-12 10:23:15,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-04-12 10:23:15,563 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 10:23:15,563 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 10:23:15,563 INFO L408 AbstractCegarLoop]: === Iteration 7 === [__U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i__cstrcpyErr1RequiresViolation, __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i__cstrcpyErr0RequiresViolation, __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i__cstrcpyErr2RequiresViolation, __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i__cstrcpyErr3RequiresViolation, mainErr1RequiresViolation, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-12 10:23:15,563 INFO L82 PathProgramCache]: Analyzing trace with hash -1542538081, now seen corresponding path program 1 times [2018-04-12 10:23:15,563 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-12 10:23:15,563 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-12 10:23:15,564 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 10:23:15,564 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-12 10:23:15,564 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 10:23:15,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 10:23:15,579 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 10:23:15,651 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 10:23:15,652 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-12 10:23:15,652 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-04-12 10:23:15,652 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-04-12 10:23:15,652 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-04-12 10:23:15,652 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2018-04-12 10:23:15,652 INFO L87 Difference]: Start difference. First operand 36 states and 38 transitions. Second operand 8 states. [2018-04-12 10:23:15,752 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 10:23:15,752 INFO L93 Difference]: Finished difference Result 43 states and 46 transitions. [2018-04-12 10:23:15,752 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-04-12 10:23:15,752 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 19 [2018-04-12 10:23:15,752 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 10:23:15,753 INFO L225 Difference]: With dead ends: 43 [2018-04-12 10:23:15,753 INFO L226 Difference]: Without dead ends: 43 [2018-04-12 10:23:15,753 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=98, Unknown=0, NotChecked=0, Total=132 [2018-04-12 10:23:15,753 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2018-04-12 10:23:15,755 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 37. [2018-04-12 10:23:15,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 37 states. [2018-04-12 10:23:15,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 40 transitions. [2018-04-12 10:23:15,756 INFO L78 Accepts]: Start accepts. Automaton has 37 states and 40 transitions. Word has length 19 [2018-04-12 10:23:15,756 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 10:23:15,756 INFO L459 AbstractCegarLoop]: Abstraction has 37 states and 40 transitions. [2018-04-12 10:23:15,756 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-04-12 10:23:15,756 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 40 transitions. [2018-04-12 10:23:15,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-04-12 10:23:15,757 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 10:23:15,757 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 10:23:15,757 INFO L408 AbstractCegarLoop]: === Iteration 8 === [__U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i__cstrcpyErr1RequiresViolation, __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i__cstrcpyErr0RequiresViolation, __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i__cstrcpyErr2RequiresViolation, __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i__cstrcpyErr3RequiresViolation, mainErr1RequiresViolation, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-12 10:23:15,757 INFO L82 PathProgramCache]: Analyzing trace with hash -1542538082, now seen corresponding path program 1 times [2018-04-12 10:23:15,757 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-12 10:23:15,757 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-12 10:23:15,758 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 10:23:15,758 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-12 10:23:15,758 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 10:23:15,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 10:23:15,767 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 10:23:15,821 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 10:23:15,821 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-12 10:23:15,821 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-04-12 10:23:15,821 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-04-12 10:23:15,821 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-04-12 10:23:15,821 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2018-04-12 10:23:15,822 INFO L87 Difference]: Start difference. First operand 37 states and 40 transitions. Second operand 8 states. [2018-04-12 10:23:15,868 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 10:23:15,868 INFO L93 Difference]: Finished difference Result 36 states and 38 transitions. [2018-04-12 10:23:15,868 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-04-12 10:23:15,868 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 19 [2018-04-12 10:23:15,868 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 10:23:15,868 INFO L225 Difference]: With dead ends: 36 [2018-04-12 10:23:15,868 INFO L226 Difference]: Without dead ends: 36 [2018-04-12 10:23:15,869 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2018-04-12 10:23:15,869 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36 states. [2018-04-12 10:23:15,870 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36 to 36. [2018-04-12 10:23:15,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 36 states. [2018-04-12 10:23:15,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 38 transitions. [2018-04-12 10:23:15,871 INFO L78 Accepts]: Start accepts. Automaton has 36 states and 38 transitions. Word has length 19 [2018-04-12 10:23:15,871 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 10:23:15,871 INFO L459 AbstractCegarLoop]: Abstraction has 36 states and 38 transitions. [2018-04-12 10:23:15,871 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-04-12 10:23:15,871 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 38 transitions. [2018-04-12 10:23:15,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-04-12 10:23:15,871 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 10:23:15,871 INFO L355 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 10:23:15,871 INFO L408 AbstractCegarLoop]: === Iteration 9 === [__U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i__cstrcpyErr1RequiresViolation, __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i__cstrcpyErr0RequiresViolation, __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i__cstrcpyErr2RequiresViolation, __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i__cstrcpyErr3RequiresViolation, mainErr1RequiresViolation, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-12 10:23:15,871 INFO L82 PathProgramCache]: Analyzing trace with hash 1326322050, now seen corresponding path program 1 times [2018-04-12 10:23:15,871 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-12 10:23:15,871 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-12 10:23:15,872 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 10:23:15,872 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-12 10:23:15,872 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 10:23:15,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 10:23:15,883 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 10:23:15,969 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 10:23:15,969 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-12 10:23:15,969 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-04-12 10:23:15,969 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-04-12 10:23:15,969 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-04-12 10:23:15,969 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2018-04-12 10:23:15,970 INFO L87 Difference]: Start difference. First operand 36 states and 38 transitions. Second operand 10 states. [2018-04-12 10:23:16,047 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 10:23:16,047 INFO L93 Difference]: Finished difference Result 58 states and 59 transitions. [2018-04-12 10:23:16,047 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-04-12 10:23:16,047 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 23 [2018-04-12 10:23:16,047 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 10:23:16,048 INFO L225 Difference]: With dead ends: 58 [2018-04-12 10:23:16,048 INFO L226 Difference]: Without dead ends: 58 [2018-04-12 10:23:16,048 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=50, Invalid=160, Unknown=0, NotChecked=0, Total=210 [2018-04-12 10:23:16,048 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58 states. [2018-04-12 10:23:16,050 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58 to 51. [2018-04-12 10:23:16,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 51 states. [2018-04-12 10:23:16,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 53 transitions. [2018-04-12 10:23:16,051 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 53 transitions. Word has length 23 [2018-04-12 10:23:16,051 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 10:23:16,051 INFO L459 AbstractCegarLoop]: Abstraction has 51 states and 53 transitions. [2018-04-12 10:23:16,052 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-04-12 10:23:16,052 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 53 transitions. [2018-04-12 10:23:16,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-04-12 10:23:16,052 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 10:23:16,052 INFO L355 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 10:23:16,052 INFO L408 AbstractCegarLoop]: === Iteration 10 === [__U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i__cstrcpyErr1RequiresViolation, __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i__cstrcpyErr0RequiresViolation, __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i__cstrcpyErr2RequiresViolation, __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i__cstrcpyErr3RequiresViolation, mainErr1RequiresViolation, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-12 10:23:16,052 INFO L82 PathProgramCache]: Analyzing trace with hash 305253696, now seen corresponding path program 1 times [2018-04-12 10:23:16,053 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-12 10:23:16,053 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-12 10:23:16,053 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 10:23:16,053 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-12 10:23:16,053 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 10:23:16,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 10:23:16,063 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 10:23:16,131 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 10:23:16,131 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-12 10:23:16,131 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2018-04-12 10:23:16,132 INFO L442 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-04-12 10:23:16,132 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-04-12 10:23:16,132 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=106, Unknown=0, NotChecked=0, Total=132 [2018-04-12 10:23:16,132 INFO L87 Difference]: Start difference. First operand 51 states and 53 transitions. Second operand 12 states. [2018-04-12 10:23:16,311 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 10:23:16,311 INFO L93 Difference]: Finished difference Result 88 states and 90 transitions. [2018-04-12 10:23:16,311 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-04-12 10:23:16,311 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 23 [2018-04-12 10:23:16,311 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 10:23:16,312 INFO L225 Difference]: With dead ends: 88 [2018-04-12 10:23:16,312 INFO L226 Difference]: Without dead ends: 88 [2018-04-12 10:23:16,312 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 72 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=101, Invalid=361, Unknown=0, NotChecked=0, Total=462 [2018-04-12 10:23:16,312 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 88 states. [2018-04-12 10:23:16,317 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 88 to 52. [2018-04-12 10:23:16,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 52 states. [2018-04-12 10:23:16,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 55 transitions. [2018-04-12 10:23:16,318 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 55 transitions. Word has length 23 [2018-04-12 10:23:16,318 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 10:23:16,318 INFO L459 AbstractCegarLoop]: Abstraction has 52 states and 55 transitions. [2018-04-12 10:23:16,318 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-04-12 10:23:16,318 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 55 transitions. [2018-04-12 10:23:16,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-04-12 10:23:16,318 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 10:23:16,319 INFO L355 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 10:23:16,319 INFO L408 AbstractCegarLoop]: === Iteration 11 === [__U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i__cstrcpyErr1RequiresViolation, __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i__cstrcpyErr0RequiresViolation, __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i__cstrcpyErr2RequiresViolation, __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i__cstrcpyErr3RequiresViolation, mainErr1RequiresViolation, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-12 10:23:16,319 INFO L82 PathProgramCache]: Analyzing trace with hash -1283094206, now seen corresponding path program 1 times [2018-04-12 10:23:16,319 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-12 10:23:16,319 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-12 10:23:16,319 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 10:23:16,319 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-12 10:23:16,319 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 10:23:16,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 10:23:16,325 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 10:23:16,431 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 10:23:16,432 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-04-12 10:23:16,432 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 10:23:16,437 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-12 10:23:16,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 10:23:16,458 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-12 10:23:16,507 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 10:23:16,509 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 10:23:16,509 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 10:23:16,510 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 10:23:16,514 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 10:23:16,515 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:25, output treesize:21 [2018-04-12 10:23:16,576 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 14 [2018-04-12 10:23:16,581 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 14 treesize of output 11 [2018-04-12 10:23:16,582 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 2 xjuncts. [2018-04-12 10:23:16,584 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-12 10:23:16,593 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 10:23:16,593 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:34, output treesize:33 [2018-04-12 10:23:16,638 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 10:23:16,655 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-12 10:23:16,655 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 8] total 16 [2018-04-12 10:23:16,656 INFO L442 AbstractCegarLoop]: Interpolant automaton has 17 states [2018-04-12 10:23:16,656 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2018-04-12 10:23:16,656 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=231, Unknown=0, NotChecked=0, Total=272 [2018-04-12 10:23:16,656 INFO L87 Difference]: Start difference. First operand 52 states and 55 transitions. Second operand 17 states. [2018-04-12 10:23:16,906 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 10:23:16,907 INFO L93 Difference]: Finished difference Result 66 states and 71 transitions. [2018-04-12 10:23:16,907 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-04-12 10:23:16,907 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 23 [2018-04-12 10:23:16,907 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 10:23:16,907 INFO L225 Difference]: With dead ends: 66 [2018-04-12 10:23:16,907 INFO L226 Difference]: Without dead ends: 66 [2018-04-12 10:23:16,908 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 75 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=84, Invalid=422, Unknown=0, NotChecked=0, Total=506 [2018-04-12 10:23:16,908 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66 states. [2018-04-12 10:23:16,910 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66 to 56. [2018-04-12 10:23:16,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 56 states. [2018-04-12 10:23:16,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 56 states and 60 transitions. [2018-04-12 10:23:16,910 INFO L78 Accepts]: Start accepts. Automaton has 56 states and 60 transitions. Word has length 23 [2018-04-12 10:23:16,910 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 10:23:16,910 INFO L459 AbstractCegarLoop]: Abstraction has 56 states and 60 transitions. [2018-04-12 10:23:16,910 INFO L460 AbstractCegarLoop]: Interpolant automaton has 17 states. [2018-04-12 10:23:16,911 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 60 transitions. [2018-04-12 10:23:16,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-04-12 10:23:16,911 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 10:23:16,911 INFO L355 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 10:23:16,911 INFO L408 AbstractCegarLoop]: === Iteration 12 === [__U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i__cstrcpyErr1RequiresViolation, __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i__cstrcpyErr0RequiresViolation, __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i__cstrcpyErr2RequiresViolation, __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i__cstrcpyErr3RequiresViolation, mainErr1RequiresViolation, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-12 10:23:16,911 INFO L82 PathProgramCache]: Analyzing trace with hash -1121214736, now seen corresponding path program 1 times [2018-04-12 10:23:16,911 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-12 10:23:16,911 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-12 10:23:16,912 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 10:23:16,912 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-12 10:23:16,912 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 10:23:16,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 10:23:16,920 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 10:23:17,027 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 10:23:17,027 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-04-12 10:23:17,027 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 10:23:17,033 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-12 10:23:17,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 10:23:17,057 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-12 10:23:17,064 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 10:23:17,064 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-12 10:23:17,071 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 10:23:17,071 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 10:23:17,076 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 10:23:17,076 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:19, output treesize:14 [2018-04-12 10:23:17,103 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 10:23:17,103 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 10:23:17,104 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 10:23:17,104 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-12 10:23:17,110 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 10:23:17,110 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 10:23:17,114 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 10:23:17,114 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:25, output treesize:15 [2018-04-12 10:23:17,310 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 10:23:17,328 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-12 10:23:17,328 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 12] total 21 [2018-04-12 10:23:17,328 INFO L442 AbstractCegarLoop]: Interpolant automaton has 22 states [2018-04-12 10:23:17,328 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2018-04-12 10:23:17,328 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=413, Unknown=0, NotChecked=0, Total=462 [2018-04-12 10:23:17,328 INFO L87 Difference]: Start difference. First operand 56 states and 60 transitions. Second operand 22 states. [2018-04-12 10:23:17,758 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 10:23:17,759 INFO L93 Difference]: Finished difference Result 64 states and 69 transitions. [2018-04-12 10:23:17,759 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-04-12 10:23:17,759 INFO L78 Accepts]: Start accepts. Automaton has 22 states. Word has length 24 [2018-04-12 10:23:17,759 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 10:23:17,759 INFO L225 Difference]: With dead ends: 64 [2018-04-12 10:23:17,759 INFO L226 Difference]: Without dead ends: 64 [2018-04-12 10:23:17,760 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 130 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=152, Invalid=970, Unknown=0, NotChecked=0, Total=1122 [2018-04-12 10:23:17,760 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64 states. [2018-04-12 10:23:17,762 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64 to 55. [2018-04-12 10:23:17,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 55 states. [2018-04-12 10:23:17,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 59 transitions. [2018-04-12 10:23:17,763 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 59 transitions. Word has length 24 [2018-04-12 10:23:17,763 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 10:23:17,763 INFO L459 AbstractCegarLoop]: Abstraction has 55 states and 59 transitions. [2018-04-12 10:23:17,763 INFO L460 AbstractCegarLoop]: Interpolant automaton has 22 states. [2018-04-12 10:23:17,763 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 59 transitions. [2018-04-12 10:23:17,763 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-04-12 10:23:17,764 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 10:23:17,764 INFO L355 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 10:23:17,764 INFO L408 AbstractCegarLoop]: === Iteration 13 === [__U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i__cstrcpyErr1RequiresViolation, __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i__cstrcpyErr0RequiresViolation, __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i__cstrcpyErr2RequiresViolation, __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i__cstrcpyErr3RequiresViolation, mainErr1RequiresViolation, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-12 10:23:17,764 INFO L82 PathProgramCache]: Analyzing trace with hash -278961325, now seen corresponding path program 2 times [2018-04-12 10:23:17,764 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-12 10:23:17,764 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-12 10:23:17,764 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 10:23:17,764 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-12 10:23:17,764 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 10:23:17,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 10:23:17,774 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 10:23:17,991 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 10:23:17,991 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-04-12 10:23:17,991 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 10:23:17,996 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST1 [2018-04-12 10:23:18,013 INFO L242 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2018-04-12 10:23:18,013 INFO L243 tOrderPrioritization]: Conjunction of SSA is unsat [2018-04-12 10:23:18,016 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-12 10:23:18,029 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 10:23:18,029 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-12 10:23:18,030 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 10:23:18,031 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2018-04-12 10:23:18,051 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 10:23:18,056 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 10:23:18,056 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 10:23:18,057 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-12 10:23:18,059 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 10:23:18,059 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:17, output treesize:11 [2018-04-12 10:23:18,085 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 10:23:18,086 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 10:23:18,087 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 10:23:18,088 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 10:23:18,093 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 10:23:18,093 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:32, output treesize:28 [2018-04-12 10:23:18,184 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 30 [2018-04-12 10:23:18,186 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 10:23:18,186 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 10:23:18,190 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 10:23:18,196 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 10:23:18,196 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:46, output treesize:42 [2018-04-12 10:23:18,310 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 35 [2018-04-12 10:23:18,325 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 10:23:18,331 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 31 treesize of output 33 [2018-04-12 10:23:18,332 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 2 xjuncts. [2018-04-12 10:23:18,350 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 21 [2018-04-12 10:23:18,350 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-04-12 10:23:18,352 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 17 [2018-04-12 10:23:18,352 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-12 10:23:18,358 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-12 10:23:18,369 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 10:23:18,369 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:60, output treesize:43 [2018-04-12 10:23:18,409 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 10:23:18,428 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-12 10:23:18,429 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 16] total 26 [2018-04-12 10:23:18,429 INFO L442 AbstractCegarLoop]: Interpolant automaton has 27 states [2018-04-12 10:23:18,429 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2018-04-12 10:23:18,429 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=635, Unknown=0, NotChecked=0, Total=702 [2018-04-12 10:23:18,430 INFO L87 Difference]: Start difference. First operand 55 states and 59 transitions. Second operand 27 states. [2018-04-12 10:23:18,773 WARN L151 SmtUtils]: Spent 100ms on a formula simplification. DAG size of input: 55 DAG size of output 49 [2018-04-12 10:23:19,556 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 10:23:19,556 INFO L93 Difference]: Finished difference Result 72 states and 78 transitions. [2018-04-12 10:23:19,556 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2018-04-12 10:23:19,556 INFO L78 Accepts]: Start accepts. Automaton has 27 states. Word has length 28 [2018-04-12 10:23:19,556 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 10:23:19,557 INFO L225 Difference]: With dead ends: 72 [2018-04-12 10:23:19,557 INFO L226 Difference]: Without dead ends: 72 [2018-04-12 10:23:19,558 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 284 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=189, Invalid=1533, Unknown=0, NotChecked=0, Total=1722 [2018-04-12 10:23:19,558 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 72 states. [2018-04-12 10:23:19,561 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 72 to 60. [2018-04-12 10:23:19,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 60 states. [2018-04-12 10:23:19,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 65 transitions. [2018-04-12 10:23:19,562 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 65 transitions. Word has length 28 [2018-04-12 10:23:19,562 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 10:23:19,562 INFO L459 AbstractCegarLoop]: Abstraction has 60 states and 65 transitions. [2018-04-12 10:23:19,562 INFO L460 AbstractCegarLoop]: Interpolant automaton has 27 states. [2018-04-12 10:23:19,562 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 65 transitions. [2018-04-12 10:23:19,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-04-12 10:23:19,562 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 10:23:19,563 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 10:23:19,563 INFO L408 AbstractCegarLoop]: === Iteration 14 === [__U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i__cstrcpyErr1RequiresViolation, __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i__cstrcpyErr0RequiresViolation, __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i__cstrcpyErr2RequiresViolation, __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i__cstrcpyErr3RequiresViolation, mainErr1RequiresViolation, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-12 10:23:19,563 INFO L82 PathProgramCache]: Analyzing trace with hash 2129258862, now seen corresponding path program 1 times [2018-04-12 10:23:19,563 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-12 10:23:19,563 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-12 10:23:19,563 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 10:23:19,563 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-04-12 10:23:19,563 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 10:23:19,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 10:23:19,571 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 10:23:19,628 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 10:23:19,628 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-12 10:23:19,628 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-04-12 10:23:19,629 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-04-12 10:23:19,629 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-04-12 10:23:19,629 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-04-12 10:23:19,629 INFO L87 Difference]: Start difference. First operand 60 states and 65 transitions. Second operand 6 states. [2018-04-12 10:23:19,694 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 10:23:19,694 INFO L93 Difference]: Finished difference Result 59 states and 64 transitions. [2018-04-12 10:23:19,694 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-04-12 10:23:19,694 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 29 [2018-04-12 10:23:19,695 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 10:23:19,695 INFO L225 Difference]: With dead ends: 59 [2018-04-12 10:23:19,695 INFO L226 Difference]: Without dead ends: 34 [2018-04-12 10:23:19,695 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 10:23:19,696 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34 states. [2018-04-12 10:23:19,697 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34 to 34. [2018-04-12 10:23:19,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 34 states. [2018-04-12 10:23:19,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 34 transitions. [2018-04-12 10:23:19,697 INFO L78 Accepts]: Start accepts. Automaton has 34 states and 34 transitions. Word has length 29 [2018-04-12 10:23:19,697 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 10:23:19,697 INFO L459 AbstractCegarLoop]: Abstraction has 34 states and 34 transitions. [2018-04-12 10:23:19,698 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-04-12 10:23:19,698 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 34 transitions. [2018-04-12 10:23:19,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-04-12 10:23:19,698 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 10:23:19,698 INFO L355 BasicCegarLoop]: trace histogram [4, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 10:23:19,698 INFO L408 AbstractCegarLoop]: === Iteration 15 === [__U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i__cstrcpyErr1RequiresViolation, __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i__cstrcpyErr0RequiresViolation, __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i__cstrcpyErr2RequiresViolation, __U_MULTI_fopenbsd_cstrcpy_alloca_true_valid_memsafety_true_termination_i__cstrcpyErr3RequiresViolation, mainErr1RequiresViolation, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-12 10:23:19,699 INFO L82 PathProgramCache]: Analyzing trace with hash 1352674274, now seen corresponding path program 3 times [2018-04-12 10:23:19,699 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-12 10:23:19,699 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-12 10:23:19,699 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 10:23:19,699 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-12 10:23:19,700 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 10:23:19,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 10:23:19,710 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 10:23:19,854 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-04-12 10:23:19,854 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-04-12 10:23:19,854 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 10:23:19,866 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST2 [2018-04-12 10:23:19,887 INFO L242 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2018-04-12 10:23:19,887 INFO L243 tOrderPrioritization]: Conjunction of SSA is unsat [2018-04-12 10:23:19,890 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-12 10:23:19,938 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 10:23:19,939 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-12 10:23:19,943 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 10:23:19,943 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:13, output treesize:12 [2018-04-12 10:23:19,979 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 13 [2018-04-12 10:23:19,981 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 10:23:19,982 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 10:23:19,987 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 10:23:19,990 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-12 10:23:19,991 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:23, output treesize:19 [2018-04-12 10:23:20,065 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 23 treesize of output 35 [2018-04-12 10:23:20,068 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 24 treesize of output 23 [2018-04-12 10:23:20,069 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 10:23:20,089 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 21 treesize of output 30 [2018-04-12 10:23:20,089 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 2 xjuncts. [2018-04-12 10:23:20,100 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-12 10:23:20,110 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 10:23:20,110 INFO L202 ElimStorePlain]: Needed 4 recursive calls to eliminate 2 variables, input treesize:29, output treesize:36 [2018-04-12 10:23:20,198 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 29 treesize of output 41 [2018-04-12 10:23:20,200 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 29 [2018-04-12 10:23:20,200 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 10:23:20,224 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 27 treesize of output 36 [2018-04-12 10:23:20,225 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 2 xjuncts. [2018-04-12 10:23:20,239 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-12 10:23:20,257 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 25 [2018-04-12 10:23:20,258 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 10:23:20,258 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-04-12 10:23:20,262 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 10:23:20,277 INFO L267 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 2 dim-2 vars, End of recursive call: and 3 xjuncts. [2018-04-12 10:23:20,278 INFO L202 ElimStorePlain]: Needed 6 recursive calls to eliminate 6 variables, input treesize:58, output treesize:40 [2018-04-12 10:23:20,332 WARN L307 Elim1Store]: Array PQE input equivalent to false [2018-04-12 10:23:20,332 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-12 10:23:20,337 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 15 [2018-04-12 10:23:20,342 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 15 treesize of output 12 [2018-04-12 10:23:20,342 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 2 xjuncts. [2018-04-12 10:23:20,344 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-12 10:23:20,348 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 2 xjuncts. [2018-04-12 10:23:20,348 INFO L202 ElimStorePlain]: Needed 4 recursive calls to eliminate 2 variables, input treesize:59, output treesize:34 [2018-04-12 10:23:20,409 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 10:23:20,428 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-12 10:23:20,429 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 15] total 27 [2018-04-12 10:23:20,429 INFO L442 AbstractCegarLoop]: Interpolant automaton has 28 states [2018-04-12 10:23:20,429 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2018-04-12 10:23:20,429 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=76, Invalid=680, Unknown=0, NotChecked=0, Total=756 [2018-04-12 10:23:20,429 INFO L87 Difference]: Start difference. First operand 34 states and 34 transitions. Second operand 28 states. [2018-04-12 10:23:21,268 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 10:23:21,268 INFO L93 Difference]: Finished difference Result 36 states and 36 transitions. [2018-04-12 10:23:21,268 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2018-04-12 10:23:21,268 INFO L78 Accepts]: Start accepts. Automaton has 28 states. Word has length 33 [2018-04-12 10:23:21,268 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 10:23:21,268 INFO L225 Difference]: With dead ends: 36 [2018-04-12 10:23:21,268 INFO L226 Difference]: Without dead ends: 0 [2018-04-12 10:23:21,269 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 45 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 371 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=272, Invalid=1890, Unknown=0, NotChecked=0, Total=2162 [2018-04-12 10:23:21,269 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-04-12 10:23:21,269 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-04-12 10:23:21,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-04-12 10:23:21,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-04-12 10:23:21,269 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 33 [2018-04-12 10:23:21,269 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 10:23:21,269 INFO L459 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-04-12 10:23:21,269 INFO L460 AbstractCegarLoop]: Interpolant automaton has 28 states. [2018-04-12 10:23:21,269 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-04-12 10:23:21,269 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-04-12 10:23:21,272 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.04 10:23:21 BoogieIcfgContainer [2018-04-12 10:23:21,272 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-04-12 10:23:21,273 INFO L168 Benchmark]: Toolchain (without parser) took 7046.68 ms. Allocated memory was 410.0 MB in the beginning and 756.5 MB in the end (delta: 346.6 MB). Free memory was 345.9 MB in the beginning and 565.4 MB in the end (delta: -219.5 MB). Peak memory consumption was 127.0 MB. Max. memory is 5.3 GB. [2018-04-12 10:23:21,273 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 410.0 MB. Free memory is still 371.7 MB. There was no memory consumed. Max. memory is 5.3 GB. [2018-04-12 10:23:21,274 INFO L168 Benchmark]: CACSL2BoogieTranslator took 230.97 ms. Allocated memory is still 410.0 MB. Free memory was 345.9 MB in the beginning and 322.1 MB in the end (delta: 23.8 MB). Peak memory consumption was 23.8 MB. Max. memory is 5.3 GB. [2018-04-12 10:23:21,274 INFO L168 Benchmark]: Boogie Preprocessor took 38.78 ms. Allocated memory is still 410.0 MB. Free memory was 322.1 MB in the beginning and 319.5 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 5.3 GB. [2018-04-12 10:23:21,274 INFO L168 Benchmark]: RCFGBuilder took 351.97 ms. Allocated memory was 410.0 MB in the beginning and 623.4 MB in the end (delta: 213.4 MB). Free memory was 319.5 MB in the beginning and 561.9 MB in the end (delta: -242.4 MB). Peak memory consumption was 24.7 MB. Max. memory is 5.3 GB. [2018-04-12 10:23:21,274 INFO L168 Benchmark]: TraceAbstraction took 6422.64 ms. Allocated memory was 623.4 MB in the beginning and 756.5 MB in the end (delta: 133.2 MB). Free memory was 559.5 MB in the beginning and 565.4 MB in the end (delta: -6.0 MB). Peak memory consumption was 127.2 MB. Max. memory is 5.3 GB. [2018-04-12 10:23:21,276 INFO L344 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 410.0 MB. Free memory is still 371.7 MB. There was no memory consumed. Max. memory is 5.3 GB. * CACSL2BoogieTranslator took 230.97 ms. Allocated memory is still 410.0 MB. Free memory was 345.9 MB in the beginning and 322.1 MB in the end (delta: 23.8 MB). Peak memory consumption was 23.8 MB. Max. memory is 5.3 GB. * Boogie Preprocessor took 38.78 ms. Allocated memory is still 410.0 MB. Free memory was 322.1 MB in the beginning and 319.5 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 5.3 GB. * RCFGBuilder took 351.97 ms. Allocated memory was 410.0 MB in the beginning and 623.4 MB in the end (delta: 213.4 MB). Free memory was 319.5 MB in the beginning and 561.9 MB in the end (delta: -242.4 MB). Peak memory consumption was 24.7 MB. Max. memory is 5.3 GB. * TraceAbstraction took 6422.64 ms. Allocated memory was 623.4 MB in the beginning and 756.5 MB in the end (delta: 133.2 MB). Free memory was 559.5 MB in the beginning and 565.4 MB in the end (delta: -6.0 MB). Peak memory consumption was 127.2 MB. Max. memory is 5.3 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 544]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 544]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 544]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 544]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 559]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 547]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - PositiveResult [Line: 559]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - AllSpecificationsHoldResult: All specifications hold 7 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 6 procedures, 46 locations, 7 error locations. SAFE Result, 6.3s OverallTime, 15 OverallIterations, 4 TraceHistogramMax, 3.4s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 411 SDtfs, 620 SDslu, 2032 SDs, 0 SdLazy, 1905 SolverSat, 213 SolverUnsat, 1 SolverUnknown, 0 SolverNotchecked, 1.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 307 GetRequests, 88 SyntacticMatches, 1 SemanticMatches, 218 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 984 ImplicationChecksByTransitivity, 3.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=60occurred in iteration=13, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 15 MinimizatonAttempts, 91 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 2.4s InterpolantComputationTime, 413 NumberOfCodeBlocks, 413 NumberOfCodeBlocksAsserted, 23 NumberOfCheckSat, 394 ConstructedInterpolants, 14 QuantifiedInterpolants, 86473 SizeOfPredicates, 39 NumberOfNonLiveVariables, 509 ConjunctsInSsa, 140 ConjunctsInUnsatCore, 19 InterpolantComputations, 11 PerfectInterpolantSequences, 9/74 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Written .csv to /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/openbsd_cstrcpy-alloca_true-valid-memsafety_true-termination.i_svcomp-DerefFreeMemtrack-32bit-Automizer_Camel.epf_AutomizerC.xml/Csv-Benchmark-0-2018-04-12_10-23-21-283.csv Written .csv to /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/openbsd_cstrcpy-alloca_true-valid-memsafety_true-termination.i_svcomp-DerefFreeMemtrack-32bit-Automizer_Camel.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-0-2018-04-12_10-23-21-283.csv Received shutdown request...