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 -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/ai/eq-bench/svcomp-DerefFreeMemtrack-32bit-Automizer_Fixed_noBitfields+AI_EQ_SS.epf -i ../../../trunk/examples/svcomp/array-memsafety/cstrlen_unsafe_false-valid-deref.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-8168ed2-m [2018-04-11 20:02:38,581 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-04-11 20:02:38,584 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-04-11 20:02:38,599 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-04-11 20:02:38,599 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-04-11 20:02:38,600 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-04-11 20:02:38,601 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-04-11 20:02:38,603 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-04-11 20:02:38,605 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-04-11 20:02:38,606 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-04-11 20:02:38,607 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-04-11 20:02:38,607 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-04-11 20:02:38,608 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-04-11 20:02:38,609 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-04-11 20:02:38,610 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-04-11 20:02:38,612 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-04-11 20:02:38,615 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-04-11 20:02:38,617 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-04-11 20:02:38,618 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-04-11 20:02:38,620 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-04-11 20:02:38,623 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-04-11 20:02:38,623 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-04-11 20:02:38,623 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-04-11 20:02:38,624 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-04-11 20:02:38,625 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-04-11 20:02:38,626 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-04-11 20:02:38,627 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-04-11 20:02:38,627 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-04-11 20:02:38,628 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-04-11 20:02:38,628 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-04-11 20:02:38,629 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-04-11 20:02:38,629 INFO L98 SettingsManager]: Beginning loading settings from /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/eq-bench/svcomp-DerefFreeMemtrack-32bit-Automizer_Fixed_noBitfields+AI_EQ_SS.epf [2018-04-11 20:02:38,653 INFO L110 SettingsManager]: Loading preferences was successful [2018-04-11 20:02:38,654 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-04-11 20:02:38,654 INFO L131 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2018-04-11 20:02:38,654 INFO L133 SettingsManager]: * ultimate.logging.details=de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation=DEBUG; [2018-04-11 20:02:38,655 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-04-11 20:02:38,655 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-04-11 20:02:38,655 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-04-11 20:02:38,655 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=VPDomain [2018-04-11 20:02:38,656 INFO L133 SettingsManager]: * Parallel states before merging=1 [2018-04-11 20:02:38,656 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-04-11 20:02:38,656 INFO L131 SettingsManager]: Preferences of LTL2Aut differ from their defaults: [2018-04-11 20:02:38,656 INFO L133 SettingsManager]: * Property to check=[] a a: x > 42 [2018-04-11 20:02:38,657 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-04-11 20:02:38,657 INFO L133 SettingsManager]: * sizeof long=4 [2018-04-11 20:02:38,657 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-04-11 20:02:38,657 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-04-11 20:02:38,657 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-04-11 20:02:38,658 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-04-11 20:02:38,658 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-04-11 20:02:38,658 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2018-04-11 20:02:38,658 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-04-11 20:02:38,658 INFO L133 SettingsManager]: * sizeof long double=12 [2018-04-11 20:02:38,659 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-04-11 20:02:38,659 INFO L133 SettingsManager]: * Size of a code block=SingleStatement [2018-04-11 20:02:38,659 INFO L133 SettingsManager]: * Add additional assume for each assert=false [2018-04-11 20:02:38,659 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-04-11 20:02:38,659 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-04-11 20:02:38,660 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-04-11 20:02:38,660 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-04-11 20:02:38,660 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-04-11 20:02:38,660 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-04-11 20:02:38,660 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-04-11 20:02:38,660 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-11 20:02:38,661 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-04-11 20:02:38,662 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-04-11 20:02:38,662 INFO L133 SettingsManager]: * TransformationType=HEAP_SEPARATOR [2018-04-11 20:02:38,662 INFO L131 SettingsManager]: Preferences of Boogie Printer differ from their defaults: [2018-04-11 20:02:38,662 INFO L133 SettingsManager]: * Dump path:=C:\Users\alex\AppData\Local\Temp\ [2018-04-11 20:02:38,696 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-04-11 20:02:38,709 INFO L266 ainManager$Toolchain]: [Toolchain 1]: Parser(s) successfully (re)initialized [2018-04-11 20:02:38,713 INFO L222 ainManager$Toolchain]: [Toolchain 1]: Toolchain data selected. [2018-04-11 20:02:38,714 INFO L271 PluginConnector]: Initializing CDTParser... [2018-04-11 20:02:38,714 INFO L276 PluginConnector]: CDTParser initialized [2018-04-11 20:02:38,715 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/array-memsafety/cstrlen_unsafe_false-valid-deref.i [2018-04-11 20:02:39,018 INFO L225 CDTParser]: Created temporary CDT project at /storage/ultimate/releaseScripts/default/UAutomizer-linux/data/FLAG9b56740fb [2018-04-11 20:02:39,179 INFO L287 CDTParser]: IsIndexed: true [2018-04-11 20:02:39,180 INFO L288 CDTParser]: Found 1 translation units. [2018-04-11 20:02:39,180 INFO L168 CDTParser]: Scanning cstrlen_unsafe_false-valid-deref.i [2018-04-11 20:02:39,190 INFO L210 ultiparseSymbolTable]: Include resolver: [2018-04-11 20:02:39,191 INFO L215 ultiparseSymbolTable]: [2018-04-11 20:02:39,191 INFO L218 ultiparseSymbolTable]: Function table: [2018-04-11 20:02:39,191 INFO L221 ultiparseSymbolTable]: Function definition of __U_MULTI_fcstrlen_unsafe_false_valid_deref_i____bswap_32 ('__bswap_32') in cstrlen_unsafe_false-valid-deref.i [2018-04-11 20:02:39,191 INFO L221 ultiparseSymbolTable]: Function definition of __U_MULTI_fcstrlen_unsafe_false_valid_deref_i____bswap_64 ('__bswap_64') in cstrlen_unsafe_false-valid-deref.i [2018-04-11 20:02:39,191 INFO L221 ultiparseSymbolTable]: Function definition of null ('main') in cstrlen_unsafe_false-valid-deref.i [2018-04-11 20:02:39,191 INFO L221 ultiparseSymbolTable]: Function definition of __U_MULTI_fcstrlen_unsafe_false_valid_deref_i__ ('') in cstrlen_unsafe_false-valid-deref.i [2018-04-11 20:02:39,192 INFO L221 ultiparseSymbolTable]: Function definition of __U_MULTI_fcstrlen_unsafe_false_valid_deref_i__build_nondet_String ('build_nondet_String') in cstrlen_unsafe_false-valid-deref.i [2018-04-11 20:02:39,192 INFO L227 ultiparseSymbolTable]: Global variable table: [2018-04-11 20:02:39,192 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_unsafe_false_valid_deref_i__blkcnt_t in cstrlen_unsafe_false-valid-deref.i [2018-04-11 20:02:39,192 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_unsafe_false_valid_deref_i____pthread_list_t in cstrlen_unsafe_false-valid-deref.i [2018-04-11 20:02:39,192 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_unsafe_false_valid_deref_i__pthread_barrierattr_t in cstrlen_unsafe_false-valid-deref.i [2018-04-11 20:02:39,192 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_unsafe_false_valid_deref_i__u_int32_t in cstrlen_unsafe_false-valid-deref.i [2018-04-11 20:02:39,192 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_unsafe_false_valid_deref_i__sigset_t in cstrlen_unsafe_false-valid-deref.i [2018-04-11 20:02:39,192 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_unsafe_false_valid_deref_i____int16_t in cstrlen_unsafe_false-valid-deref.i [2018-04-11 20:02:39,193 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_unsafe_false_valid_deref_i____u_long in cstrlen_unsafe_false-valid-deref.i [2018-04-11 20:02:39,193 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_unsafe_false_valid_deref_i__u_char in cstrlen_unsafe_false-valid-deref.i [2018-04-11 20:02:39,193 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_unsafe_false_valid_deref_i__daddr_t in cstrlen_unsafe_false-valid-deref.i [2018-04-11 20:02:39,193 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_unsafe_false_valid_deref_i____off_t in cstrlen_unsafe_false-valid-deref.i [2018-04-11 20:02:39,193 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_unsafe_false_valid_deref_i____dev_t in cstrlen_unsafe_false-valid-deref.i [2018-04-11 20:02:39,193 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_unsafe_false_valid_deref_i____fsid_t in cstrlen_unsafe_false-valid-deref.i [2018-04-11 20:02:39,193 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_unsafe_false_valid_deref_i__blksize_t in cstrlen_unsafe_false-valid-deref.i [2018-04-11 20:02:39,193 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_unsafe_false_valid_deref_i____ino64_t in cstrlen_unsafe_false-valid-deref.i [2018-04-11 20:02:39,194 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_unsafe_false_valid_deref_i__u_long in cstrlen_unsafe_false-valid-deref.i [2018-04-11 20:02:39,194 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_unsafe_false_valid_deref_i__clock_t in cstrlen_unsafe_false-valid-deref.i [2018-04-11 20:02:39,194 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_unsafe_false_valid_deref_i__fd_set in cstrlen_unsafe_false-valid-deref.i [2018-04-11 20:02:39,194 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_unsafe_false_valid_deref_i____ino_t in cstrlen_unsafe_false-valid-deref.i [2018-04-11 20:02:39,194 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_unsafe_false_valid_deref_i__pthread_rwlockattr_t in cstrlen_unsafe_false-valid-deref.i [2018-04-11 20:02:39,194 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_unsafe_false_valid_deref_i__fd_mask in cstrlen_unsafe_false-valid-deref.i [2018-04-11 20:02:39,194 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_unsafe_false_valid_deref_i____caddr_t in cstrlen_unsafe_false-valid-deref.i [2018-04-11 20:02:39,194 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_unsafe_false_valid_deref_i__ulong in cstrlen_unsafe_false-valid-deref.i [2018-04-11 20:02:39,194 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_unsafe_false_valid_deref_i__fsid_t in cstrlen_unsafe_false-valid-deref.i [2018-04-11 20:02:39,195 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_unsafe_false_valid_deref_i____u_short in cstrlen_unsafe_false-valid-deref.i [2018-04-11 20:02:39,195 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_unsafe_false_valid_deref_i__int64_t in cstrlen_unsafe_false-valid-deref.i [2018-04-11 20:02:39,195 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_unsafe_false_valid_deref_i____daddr_t in cstrlen_unsafe_false-valid-deref.i [2018-04-11 20:02:39,195 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_unsafe_false_valid_deref_i____fsfilcnt_t in cstrlen_unsafe_false-valid-deref.i [2018-04-11 20:02:39,195 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_unsafe_false_valid_deref_i__mode_t in cstrlen_unsafe_false-valid-deref.i [2018-04-11 20:02:39,195 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_unsafe_false_valid_deref_i__suseconds_t in cstrlen_unsafe_false-valid-deref.i [2018-04-11 20:02:39,195 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_unsafe_false_valid_deref_i____u_int in cstrlen_unsafe_false-valid-deref.i [2018-04-11 20:02:39,195 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_unsafe_false_valid_deref_i____WAIT_STATUS in cstrlen_unsafe_false-valid-deref.i [2018-04-11 20:02:39,195 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_unsafe_false_valid_deref_i____syscall_slong_t in cstrlen_unsafe_false-valid-deref.i [2018-04-11 20:02:39,195 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_unsafe_false_valid_deref_i__dev_t in cstrlen_unsafe_false-valid-deref.i [2018-04-11 20:02:39,195 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_unsafe_false_valid_deref_i__pthread_condattr_t in cstrlen_unsafe_false-valid-deref.i [2018-04-11 20:02:39,195 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_unsafe_false_valid_deref_i____loff_t in cstrlen_unsafe_false-valid-deref.i [2018-04-11 20:02:39,195 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_unsafe_false_valid_deref_i__time_t in cstrlen_unsafe_false-valid-deref.i [2018-04-11 20:02:39,196 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_unsafe_false_valid_deref_i__pthread_rwlock_t in cstrlen_unsafe_false-valid-deref.i [2018-04-11 20:02:39,196 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_unsafe_false_valid_deref_i____clock_t in cstrlen_unsafe_false-valid-deref.i [2018-04-11 20:02:39,196 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_unsafe_false_valid_deref_i____blkcnt_t in cstrlen_unsafe_false-valid-deref.i [2018-04-11 20:02:39,196 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_unsafe_false_valid_deref_i____qaddr_t in cstrlen_unsafe_false-valid-deref.i [2018-04-11 20:02:39,196 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_unsafe_false_valid_deref_i____blksize_t in cstrlen_unsafe_false-valid-deref.i [2018-04-11 20:02:39,196 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_unsafe_false_valid_deref_i____fsblkcnt_t in cstrlen_unsafe_false-valid-deref.i [2018-04-11 20:02:39,196 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_unsafe_false_valid_deref_i__int8_t in cstrlen_unsafe_false-valid-deref.i [2018-04-11 20:02:39,196 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_unsafe_false_valid_deref_i__pthread_key_t in cstrlen_unsafe_false-valid-deref.i [2018-04-11 20:02:39,196 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_unsafe_false_valid_deref_i____fsfilcnt64_t in cstrlen_unsafe_false-valid-deref.i [2018-04-11 20:02:39,196 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_unsafe_false_valid_deref_i____uint16_t in cstrlen_unsafe_false-valid-deref.i [2018-04-11 20:02:39,196 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_unsafe_false_valid_deref_i____rlim64_t in cstrlen_unsafe_false-valid-deref.i [2018-04-11 20:02:39,196 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_unsafe_false_valid_deref_i__u_quad_t in cstrlen_unsafe_false-valid-deref.i [2018-04-11 20:02:39,196 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_unsafe_false_valid_deref_i__ldiv_t in cstrlen_unsafe_false-valid-deref.i [2018-04-11 20:02:39,197 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_unsafe_false_valid_deref_i____useconds_t in cstrlen_unsafe_false-valid-deref.i [2018-04-11 20:02:39,197 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_unsafe_false_valid_deref_i__pthread_mutex_t in cstrlen_unsafe_false-valid-deref.i [2018-04-11 20:02:39,197 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_unsafe_false_valid_deref_i____uint8_t in cstrlen_unsafe_false-valid-deref.i [2018-04-11 20:02:39,197 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_unsafe_false_valid_deref_i__ino_t in cstrlen_unsafe_false-valid-deref.i [2018-04-11 20:02:39,197 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_unsafe_false_valid_deref_i__u_int64_t in cstrlen_unsafe_false-valid-deref.i [2018-04-11 20:02:39,197 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_unsafe_false_valid_deref_i____time_t in cstrlen_unsafe_false-valid-deref.i [2018-04-11 20:02:39,197 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_unsafe_false_valid_deref_i__loff_t in cstrlen_unsafe_false-valid-deref.i [2018-04-11 20:02:39,197 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_unsafe_false_valid_deref_i____int64_t in cstrlen_unsafe_false-valid-deref.i [2018-04-11 20:02:39,197 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_unsafe_false_valid_deref_i____key_t in cstrlen_unsafe_false-valid-deref.i [2018-04-11 20:02:39,197 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_unsafe_false_valid_deref_i__ushort in cstrlen_unsafe_false-valid-deref.i [2018-04-11 20:02:39,197 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_unsafe_false_valid_deref_i__timer_t in cstrlen_unsafe_false-valid-deref.i [2018-04-11 20:02:39,197 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_unsafe_false_valid_deref_i____int8_t in cstrlen_unsafe_false-valid-deref.i [2018-04-11 20:02:39,197 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_unsafe_false_valid_deref_i____nlink_t in cstrlen_unsafe_false-valid-deref.i [2018-04-11 20:02:39,197 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_unsafe_false_valid_deref_i__register_t in cstrlen_unsafe_false-valid-deref.i [2018-04-11 20:02:39,198 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_unsafe_false_valid_deref_i__pthread_once_t in cstrlen_unsafe_false-valid-deref.i [2018-04-11 20:02:39,198 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_unsafe_false_valid_deref_i__off_t in cstrlen_unsafe_false-valid-deref.i [2018-04-11 20:02:39,198 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_unsafe_false_valid_deref_i____ssize_t in cstrlen_unsafe_false-valid-deref.i [2018-04-11 20:02:39,198 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_unsafe_false_valid_deref_i__nlink_t in cstrlen_unsafe_false-valid-deref.i [2018-04-11 20:02:39,198 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_unsafe_false_valid_deref_i____fd_mask in cstrlen_unsafe_false-valid-deref.i [2018-04-11 20:02:39,198 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_unsafe_false_valid_deref_i__fsfilcnt_t in cstrlen_unsafe_false-valid-deref.i [2018-04-11 20:02:39,198 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_unsafe_false_valid_deref_i__pid_t in cstrlen_unsafe_false-valid-deref.i [2018-04-11 20:02:39,198 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_unsafe_false_valid_deref_i__int32_t in cstrlen_unsafe_false-valid-deref.i [2018-04-11 20:02:39,198 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_unsafe_false_valid_deref_i____sig_atomic_t in cstrlen_unsafe_false-valid-deref.i [2018-04-11 20:02:39,198 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_unsafe_false_valid_deref_i__id_t in cstrlen_unsafe_false-valid-deref.i [2018-04-11 20:02:39,198 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_unsafe_false_valid_deref_i____mode_t in cstrlen_unsafe_false-valid-deref.i [2018-04-11 20:02:39,198 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_unsafe_false_valid_deref_i____blkcnt64_t in cstrlen_unsafe_false-valid-deref.i [2018-04-11 20:02:39,198 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_unsafe_false_valid_deref_i____fsword_t in cstrlen_unsafe_false-valid-deref.i [2018-04-11 20:02:39,198 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_unsafe_false_valid_deref_i__u_short in cstrlen_unsafe_false-valid-deref.i [2018-04-11 20:02:39,199 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_unsafe_false_valid_deref_i____uint64_t in cstrlen_unsafe_false-valid-deref.i [2018-04-11 20:02:39,199 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_unsafe_false_valid_deref_i__uint in cstrlen_unsafe_false-valid-deref.i [2018-04-11 20:02:39,199 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_unsafe_false_valid_deref_i____uid_t in cstrlen_unsafe_false-valid-deref.i [2018-04-11 20:02:39,199 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_unsafe_false_valid_deref_i__gid_t in cstrlen_unsafe_false-valid-deref.i [2018-04-11 20:02:39,199 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_unsafe_false_valid_deref_i__ssize_t in cstrlen_unsafe_false-valid-deref.i [2018-04-11 20:02:39,199 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_unsafe_false_valid_deref_i__u_int16_t in cstrlen_unsafe_false-valid-deref.i [2018-04-11 20:02:39,199 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_unsafe_false_valid_deref_i__quad_t in cstrlen_unsafe_false-valid-deref.i [2018-04-11 20:02:39,199 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_unsafe_false_valid_deref_i__caddr_t in cstrlen_unsafe_false-valid-deref.i [2018-04-11 20:02:39,199 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_unsafe_false_valid_deref_i__pthread_spinlock_t in cstrlen_unsafe_false-valid-deref.i [2018-04-11 20:02:39,199 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_unsafe_false_valid_deref_i____rlim_t in cstrlen_unsafe_false-valid-deref.i [2018-04-11 20:02:39,199 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_unsafe_false_valid_deref_i__clockid_t in cstrlen_unsafe_false-valid-deref.i [2018-04-11 20:02:39,199 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_unsafe_false_valid_deref_i____clockid_t in cstrlen_unsafe_false-valid-deref.i [2018-04-11 20:02:39,199 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_unsafe_false_valid_deref_i____sigset_t in cstrlen_unsafe_false-valid-deref.i [2018-04-11 20:02:39,199 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_unsafe_false_valid_deref_i__key_t in cstrlen_unsafe_false-valid-deref.i [2018-04-11 20:02:39,200 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_unsafe_false_valid_deref_i__u_int in cstrlen_unsafe_false-valid-deref.i [2018-04-11 20:02:39,200 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_unsafe_false_valid_deref_i__fsblkcnt_t in cstrlen_unsafe_false-valid-deref.i [2018-04-11 20:02:39,200 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_unsafe_false_valid_deref_i____timer_t in cstrlen_unsafe_false-valid-deref.i [2018-04-11 20:02:39,200 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_unsafe_false_valid_deref_i____uint32_t in cstrlen_unsafe_false-valid-deref.i [2018-04-11 20:02:39,200 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_unsafe_false_valid_deref_i__div_t in cstrlen_unsafe_false-valid-deref.i [2018-04-11 20:02:39,200 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_unsafe_false_valid_deref_i____intptr_t in cstrlen_unsafe_false-valid-deref.i [2018-04-11 20:02:39,200 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_unsafe_false_valid_deref_i____int32_t in cstrlen_unsafe_false-valid-deref.i [2018-04-11 20:02:39,200 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_unsafe_false_valid_deref_i__u_int8_t in cstrlen_unsafe_false-valid-deref.i [2018-04-11 20:02:39,200 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_unsafe_false_valid_deref_i__pthread_t in cstrlen_unsafe_false-valid-deref.i [2018-04-11 20:02:39,200 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_unsafe_false_valid_deref_i__pthread_cond_t in cstrlen_unsafe_false-valid-deref.i [2018-04-11 20:02:39,200 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_unsafe_false_valid_deref_i__size_t in cstrlen_unsafe_false-valid-deref.i [2018-04-11 20:02:39,200 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_unsafe_false_valid_deref_i____quad_t in cstrlen_unsafe_false-valid-deref.i [2018-04-11 20:02:39,200 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_unsafe_false_valid_deref_i__int16_t in cstrlen_unsafe_false-valid-deref.i [2018-04-11 20:02:39,200 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_unsafe_false_valid_deref_i____syscall_ulong_t in cstrlen_unsafe_false-valid-deref.i [2018-04-11 20:02:39,201 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_unsafe_false_valid_deref_i____gid_t in cstrlen_unsafe_false-valid-deref.i [2018-04-11 20:02:39,201 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_unsafe_false_valid_deref_i____id_t in cstrlen_unsafe_false-valid-deref.i [2018-04-11 20:02:39,201 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_unsafe_false_valid_deref_i__uid_t in cstrlen_unsafe_false-valid-deref.i [2018-04-11 20:02:39,201 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_unsafe_false_valid_deref_i__wchar_t in cstrlen_unsafe_false-valid-deref.i [2018-04-11 20:02:39,201 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_unsafe_false_valid_deref_i____socklen_t in cstrlen_unsafe_false-valid-deref.i [2018-04-11 20:02:39,201 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_unsafe_false_valid_deref_i__pthread_attr_t in cstrlen_unsafe_false-valid-deref.i [2018-04-11 20:02:39,201 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_unsafe_false_valid_deref_i__lldiv_t in cstrlen_unsafe_false-valid-deref.i [2018-04-11 20:02:39,201 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_unsafe_false_valid_deref_i__pthread_mutexattr_t in cstrlen_unsafe_false-valid-deref.i [2018-04-11 20:02:39,201 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_unsafe_false_valid_deref_i____pid_t in cstrlen_unsafe_false-valid-deref.i [2018-04-11 20:02:39,202 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_unsafe_false_valid_deref_i____fsblkcnt64_t in cstrlen_unsafe_false-valid-deref.i [2018-04-11 20:02:39,202 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_unsafe_false_valid_deref_i__pthread_barrier_t in cstrlen_unsafe_false-valid-deref.i [2018-04-11 20:02:39,202 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_unsafe_false_valid_deref_i____u_char in cstrlen_unsafe_false-valid-deref.i [2018-04-11 20:02:39,202 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_unsafe_false_valid_deref_i____u_quad_t in cstrlen_unsafe_false-valid-deref.i [2018-04-11 20:02:39,202 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_unsafe_false_valid_deref_i____off64_t in cstrlen_unsafe_false-valid-deref.i [2018-04-11 20:02:39,202 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_unsafe_false_valid_deref_i____suseconds_t in cstrlen_unsafe_false-valid-deref.i [2018-04-11 20:02:39,224 INFO L330 CDTParser]: Deleted temporary CDT project at /storage/ultimate/releaseScripts/default/UAutomizer-linux/data/FLAG9b56740fb [2018-04-11 20:02:39,228 INFO L304 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-04-11 20:02:39,229 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-04-11 20:02:39,230 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-04-11 20:02:39,230 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-04-11 20:02:39,236 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-04-11 20:02:39,237 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.04 08:02:39" (1/1) ... [2018-04-11 20:02:39,239 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4b6a7c68 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 08:02:39, skipping insertion in model container [2018-04-11 20:02:39,239 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.04 08:02:39" (1/1) ... [2018-04-11 20:02:39,254 INFO L167 Dispatcher]: Using SV-COMP mode [2018-04-11 20:02:39,286 INFO L167 Dispatcher]: Using SV-COMP mode [2018-04-11 20:02:39,462 INFO L175 PostProcessor]: Settings: Checked method=main [2018-04-11 20:02:39,506 INFO L175 PostProcessor]: Settings: Checked method=main [2018-04-11 20:02:39,511 INFO L100 SccComputation]: Graph consists of 0 InCaSumBalls and 113 non ball SCCs. Number of states in SCCs 113. [2018-04-11 20:02:39,556 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 08:02:39 WrapperNode [2018-04-11 20:02:39,556 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-04-11 20:02:39,557 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-04-11 20:02:39,557 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-04-11 20:02:39,557 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-04-11 20:02:39,573 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 08:02:39" (1/1) ... [2018-04-11 20:02:39,573 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 08:02:39" (1/1) ... [2018-04-11 20:02:39,590 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 08:02:39" (1/1) ... [2018-04-11 20:02:39,590 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 08:02:39" (1/1) ... [2018-04-11 20:02:39,603 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 08:02:39" (1/1) ... [2018-04-11 20:02:39,608 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 08:02:39" (1/1) ... [2018-04-11 20:02:39,611 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 08:02:39" (1/1) ... [2018-04-11 20:02:39,616 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-04-11 20:02:39,616 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-04-11 20:02:39,616 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-04-11 20:02:39,617 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-04-11 20:02:39,618 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 08:02:39" (1/1) ... No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-04-11 20:02:39,752 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-04-11 20:02:39,752 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-04-11 20:02:39,752 INFO L136 BoogieDeclarations]: Found implementation of procedure __U_MULTI_fcstrlen_unsafe_false_valid_deref_i____bswap_32 [2018-04-11 20:02:39,752 INFO L136 BoogieDeclarations]: Found implementation of procedure __U_MULTI_fcstrlen_unsafe_false_valid_deref_i____bswap_64 [2018-04-11 20:02:39,752 INFO L136 BoogieDeclarations]: Found implementation of procedure __U_MULTI_fcstrlen_unsafe_false_valid_deref_i__build_nondet_String [2018-04-11 20:02:39,752 INFO L136 BoogieDeclarations]: Found implementation of procedure cstrlen [2018-04-11 20:02:39,752 INFO L136 BoogieDeclarations]: Found implementation of procedure main [2018-04-11 20:02:39,752 INFO L128 BoogieDeclarations]: Found specification of procedure __U_MULTI_fcstrlen_unsafe_false_valid_deref_i____bswap_32 [2018-04-11 20:02:39,753 INFO L128 BoogieDeclarations]: Found specification of procedure __U_MULTI_fcstrlen_unsafe_false_valid_deref_i____bswap_64 [2018-04-11 20:02:39,753 INFO L128 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2018-04-11 20:02:39,753 INFO L128 BoogieDeclarations]: Found specification of procedure atof [2018-04-11 20:02:39,753 INFO L128 BoogieDeclarations]: Found specification of procedure atoi [2018-04-11 20:02:39,753 INFO L128 BoogieDeclarations]: Found specification of procedure atol [2018-04-11 20:02:39,753 INFO L128 BoogieDeclarations]: Found specification of procedure atoll [2018-04-11 20:02:39,753 INFO L128 BoogieDeclarations]: Found specification of procedure strtod [2018-04-11 20:02:39,753 INFO L128 BoogieDeclarations]: Found specification of procedure strtof [2018-04-11 20:02:39,753 INFO L128 BoogieDeclarations]: Found specification of procedure strtold [2018-04-11 20:02:39,753 INFO L128 BoogieDeclarations]: Found specification of procedure strtol [2018-04-11 20:02:39,753 INFO L128 BoogieDeclarations]: Found specification of procedure strtoul [2018-04-11 20:02:39,753 INFO L128 BoogieDeclarations]: Found specification of procedure strtoq [2018-04-11 20:02:39,754 INFO L128 BoogieDeclarations]: Found specification of procedure strtouq [2018-04-11 20:02:39,754 INFO L128 BoogieDeclarations]: Found specification of procedure strtoll [2018-04-11 20:02:39,754 INFO L128 BoogieDeclarations]: Found specification of procedure strtoull [2018-04-11 20:02:39,754 INFO L128 BoogieDeclarations]: Found specification of procedure l64a [2018-04-11 20:02:39,754 INFO L128 BoogieDeclarations]: Found specification of procedure a64l [2018-04-11 20:02:39,754 INFO L128 BoogieDeclarations]: Found specification of procedure select [2018-04-11 20:02:39,754 INFO L128 BoogieDeclarations]: Found specification of procedure pselect [2018-04-11 20:02:39,754 INFO L128 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2018-04-11 20:02:39,754 INFO L128 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2018-04-11 20:02:39,754 INFO L128 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2018-04-11 20:02:39,755 INFO L128 BoogieDeclarations]: Found specification of procedure random [2018-04-11 20:02:39,755 INFO L128 BoogieDeclarations]: Found specification of procedure srandom [2018-04-11 20:02:39,755 INFO L128 BoogieDeclarations]: Found specification of procedure initstate [2018-04-11 20:02:39,755 INFO L128 BoogieDeclarations]: Found specification of procedure setstate [2018-04-11 20:02:39,755 INFO L128 BoogieDeclarations]: Found specification of procedure random_r [2018-04-11 20:02:39,755 INFO L128 BoogieDeclarations]: Found specification of procedure srandom_r [2018-04-11 20:02:39,756 INFO L128 BoogieDeclarations]: Found specification of procedure initstate_r [2018-04-11 20:02:39,756 INFO L128 BoogieDeclarations]: Found specification of procedure setstate_r [2018-04-11 20:02:39,756 INFO L128 BoogieDeclarations]: Found specification of procedure rand [2018-04-11 20:02:39,756 INFO L128 BoogieDeclarations]: Found specification of procedure srand [2018-04-11 20:02:39,756 INFO L128 BoogieDeclarations]: Found specification of procedure rand_r [2018-04-11 20:02:39,756 INFO L128 BoogieDeclarations]: Found specification of procedure drand48 [2018-04-11 20:02:39,756 INFO L128 BoogieDeclarations]: Found specification of procedure erand48 [2018-04-11 20:02:39,757 INFO L128 BoogieDeclarations]: Found specification of procedure lrand48 [2018-04-11 20:02:39,757 INFO L128 BoogieDeclarations]: Found specification of procedure nrand48 [2018-04-11 20:02:39,757 INFO L128 BoogieDeclarations]: Found specification of procedure mrand48 [2018-04-11 20:02:39,757 INFO L128 BoogieDeclarations]: Found specification of procedure jrand48 [2018-04-11 20:02:39,757 INFO L128 BoogieDeclarations]: Found specification of procedure srand48 [2018-04-11 20:02:39,757 INFO L128 BoogieDeclarations]: Found specification of procedure seed48 [2018-04-11 20:02:39,757 INFO L128 BoogieDeclarations]: Found specification of procedure lcong48 [2018-04-11 20:02:39,758 INFO L128 BoogieDeclarations]: Found specification of procedure drand48_r [2018-04-11 20:02:39,758 INFO L128 BoogieDeclarations]: Found specification of procedure erand48_r [2018-04-11 20:02:39,758 INFO L128 BoogieDeclarations]: Found specification of procedure lrand48_r [2018-04-11 20:02:39,758 INFO L128 BoogieDeclarations]: Found specification of procedure nrand48_r [2018-04-11 20:02:39,758 INFO L128 BoogieDeclarations]: Found specification of procedure mrand48_r [2018-04-11 20:02:39,758 INFO L128 BoogieDeclarations]: Found specification of procedure jrand48_r [2018-04-11 20:02:39,758 INFO L128 BoogieDeclarations]: Found specification of procedure srand48_r [2018-04-11 20:02:39,758 INFO L128 BoogieDeclarations]: Found specification of procedure seed48_r [2018-04-11 20:02:39,759 INFO L128 BoogieDeclarations]: Found specification of procedure lcong48_r [2018-04-11 20:02:39,759 INFO L128 BoogieDeclarations]: Found specification of procedure malloc [2018-04-11 20:02:39,759 INFO L128 BoogieDeclarations]: Found specification of procedure calloc [2018-04-11 20:02:39,759 INFO L128 BoogieDeclarations]: Found specification of procedure realloc [2018-04-11 20:02:39,759 INFO L128 BoogieDeclarations]: Found specification of procedure free [2018-04-11 20:02:39,759 INFO L128 BoogieDeclarations]: Found specification of procedure cfree [2018-04-11 20:02:39,759 INFO L128 BoogieDeclarations]: Found specification of procedure alloca [2018-04-11 20:02:39,760 INFO L128 BoogieDeclarations]: Found specification of procedure valloc [2018-04-11 20:02:39,760 INFO L128 BoogieDeclarations]: Found specification of procedure posix_memalign [2018-04-11 20:02:39,760 INFO L128 BoogieDeclarations]: Found specification of procedure abort [2018-04-11 20:02:39,760 INFO L128 BoogieDeclarations]: Found specification of procedure atexit [2018-04-11 20:02:39,760 INFO L128 BoogieDeclarations]: Found specification of procedure on_exit [2018-04-11 20:02:39,760 INFO L128 BoogieDeclarations]: Found specification of procedure exit [2018-04-11 20:02:39,760 INFO L128 BoogieDeclarations]: Found specification of procedure _Exit [2018-04-11 20:02:39,760 INFO L128 BoogieDeclarations]: Found specification of procedure getenv [2018-04-11 20:02:39,761 INFO L128 BoogieDeclarations]: Found specification of procedure putenv [2018-04-11 20:02:39,761 INFO L128 BoogieDeclarations]: Found specification of procedure setenv [2018-04-11 20:02:39,761 INFO L128 BoogieDeclarations]: Found specification of procedure unsetenv [2018-04-11 20:02:39,761 INFO L128 BoogieDeclarations]: Found specification of procedure clearenv [2018-04-11 20:02:39,761 INFO L128 BoogieDeclarations]: Found specification of procedure mktemp [2018-04-11 20:02:39,761 INFO L128 BoogieDeclarations]: Found specification of procedure mkstemp [2018-04-11 20:02:39,761 INFO L128 BoogieDeclarations]: Found specification of procedure mkstemps [2018-04-11 20:02:39,762 INFO L128 BoogieDeclarations]: Found specification of procedure mkdtemp [2018-04-11 20:02:39,762 INFO L128 BoogieDeclarations]: Found specification of procedure system [2018-04-11 20:02:39,762 INFO L128 BoogieDeclarations]: Found specification of procedure realpath [2018-04-11 20:02:39,762 INFO L128 BoogieDeclarations]: Found specification of procedure bsearch [2018-04-11 20:02:39,762 INFO L128 BoogieDeclarations]: Found specification of procedure qsort [2018-04-11 20:02:39,762 INFO L128 BoogieDeclarations]: Found specification of procedure abs [2018-04-11 20:02:39,762 INFO L128 BoogieDeclarations]: Found specification of procedure labs [2018-04-11 20:02:39,762 INFO L128 BoogieDeclarations]: Found specification of procedure llabs [2018-04-11 20:02:39,763 INFO L128 BoogieDeclarations]: Found specification of procedure div [2018-04-11 20:02:39,763 INFO L128 BoogieDeclarations]: Found specification of procedure ldiv [2018-04-11 20:02:39,763 INFO L128 BoogieDeclarations]: Found specification of procedure lldiv [2018-04-11 20:02:39,763 INFO L128 BoogieDeclarations]: Found specification of procedure ecvt [2018-04-11 20:02:39,763 INFO L128 BoogieDeclarations]: Found specification of procedure fcvt [2018-04-11 20:02:39,763 INFO L128 BoogieDeclarations]: Found specification of procedure gcvt [2018-04-11 20:02:39,763 INFO L128 BoogieDeclarations]: Found specification of procedure qecvt [2018-04-11 20:02:39,764 INFO L128 BoogieDeclarations]: Found specification of procedure qfcvt [2018-04-11 20:02:39,764 INFO L128 BoogieDeclarations]: Found specification of procedure qgcvt [2018-04-11 20:02:39,764 INFO L128 BoogieDeclarations]: Found specification of procedure ecvt_r [2018-04-11 20:02:39,764 INFO L128 BoogieDeclarations]: Found specification of procedure fcvt_r [2018-04-11 20:02:39,764 INFO L128 BoogieDeclarations]: Found specification of procedure qecvt_r [2018-04-11 20:02:39,764 INFO L128 BoogieDeclarations]: Found specification of procedure qfcvt_r [2018-04-11 20:02:39,764 INFO L128 BoogieDeclarations]: Found specification of procedure mblen [2018-04-11 20:02:39,764 INFO L128 BoogieDeclarations]: Found specification of procedure mbtowc [2018-04-11 20:02:39,765 INFO L128 BoogieDeclarations]: Found specification of procedure wctomb [2018-04-11 20:02:39,765 INFO L128 BoogieDeclarations]: Found specification of procedure mbstowcs [2018-04-11 20:02:39,765 INFO L128 BoogieDeclarations]: Found specification of procedure wcstombs [2018-04-11 20:02:39,765 INFO L128 BoogieDeclarations]: Found specification of procedure rpmatch [2018-04-11 20:02:39,765 INFO L128 BoogieDeclarations]: Found specification of procedure getsubopt [2018-04-11 20:02:39,765 INFO L128 BoogieDeclarations]: Found specification of procedure getloadavg [2018-04-11 20:02:39,765 INFO L128 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-04-11 20:02:39,766 INFO L128 BoogieDeclarations]: Found specification of procedure __U_MULTI_fcstrlen_unsafe_false_valid_deref_i__build_nondet_String [2018-04-11 20:02:39,766 INFO L128 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-04-11 20:02:39,766 INFO L128 BoogieDeclarations]: Found specification of procedure write~int [2018-04-11 20:02:39,766 INFO L128 BoogieDeclarations]: Found specification of procedure cstrlen [2018-04-11 20:02:39,766 INFO L128 BoogieDeclarations]: Found specification of procedure read~int [2018-04-11 20:02:39,766 INFO L128 BoogieDeclarations]: Found specification of procedure main [2018-04-11 20:02:39,766 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-04-11 20:02:39,766 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-04-11 20:02:39,767 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-04-11 20:02:39,767 INFO L128 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2018-04-11 20:02:40,104 INFO L259 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-04-11 20:02:40,104 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.04 08:02:40 BoogieIcfgContainer [2018-04-11 20:02:40,104 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-04-11 20:02:40,105 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-04-11 20:02:40,105 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-04-11 20:02:40,109 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-04-11 20:02:40,109 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.04 08:02:39" (1/3) ... [2018-04-11 20:02:40,110 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@39fb6a5b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.04 08:02:40, skipping insertion in model container [2018-04-11 20:02:40,110 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 08:02:39" (2/3) ... [2018-04-11 20:02:40,111 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@39fb6a5b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.04 08:02:40, skipping insertion in model container [2018-04-11 20:02:40,111 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.04 08:02:40" (3/3) ... [2018-04-11 20:02:40,113 INFO L107 eAbstractionObserver]: Analyzing ICFG cstrlen_unsafe_false-valid-deref.i [2018-04-11 20:02:40,122 INFO L131 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-04-11 20:02:40,131 INFO L143 ceAbstractionStarter]: Appying trace abstraction to program that has 7 error locations. [2018-04-11 20:02:40,183 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2018-04-11 20:02:40,183 INFO L369 AbstractCegarLoop]: Interprodecural is true [2018-04-11 20:02:40,184 INFO L370 AbstractCegarLoop]: Hoare is true [2018-04-11 20:02:40,184 INFO L371 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-04-11 20:02:40,184 INFO L372 AbstractCegarLoop]: Backedges is TWOTRACK [2018-04-11 20:02:40,184 INFO L373 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-04-11 20:02:40,184 INFO L374 AbstractCegarLoop]: Difference is false [2018-04-11 20:02:40,184 INFO L375 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-04-11 20:02:40,184 INFO L380 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-04-11 20:02:40,185 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-04-11 20:02:40,203 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states. [2018-04-11 20:02:40,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-04-11 20:02:40,210 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 20:02:40,211 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 20:02:40,211 INFO L408 AbstractCegarLoop]: === Iteration 1 === [cstrlenErr1RequiresViolation, cstrlenErr0RequiresViolation, mainErr1AssertViolationMEMORY_FREE, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0AssertViolationMEMORY_FREE, __U_MULTI_fcstrlen_unsafe_false_valid_deref_i__build_nondet_StringErr0RequiresViolation, __U_MULTI_fcstrlen_unsafe_false_valid_deref_i__build_nondet_StringErr1RequiresViolation]=== [2018-04-11 20:02:40,217 INFO L82 PathProgramCache]: Analyzing trace with hash 2027579179, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-11 20:02:40,229 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 20:02:40,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 20:02:40,266 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-11 20:02:40,310 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-04-11 20:02:40,312 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-11 20:02:40,317 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-11 20:02:40,317 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2018-04-11 20:02:40,332 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 20:02:40,332 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-11 20:02:40,340 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 20:02:40,362 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-04-11 20:02:40,362 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2018-04-11 20:02:40,364 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-04-11 20:02:40,374 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-04-11 20:02:40,374 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-04-11 20:02:40,376 INFO L87 Difference]: Start difference. First operand 50 states. Second operand 4 states. [2018-04-11 20:02:40,459 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 20:02:40,460 INFO L93 Difference]: Finished difference Result 67 states and 68 transitions. [2018-04-11 20:02:40,460 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-04-11 20:02:40,461 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 14 [2018-04-11 20:02:40,462 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 20:02:40,471 INFO L225 Difference]: With dead ends: 67 [2018-04-11 20:02:40,471 INFO L226 Difference]: Without dead ends: 46 [2018-04-11 20:02:40,474 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-04-11 20:02:40,489 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states. [2018-04-11 20:02:40,503 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 46. [2018-04-11 20:02:40,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 46 states. [2018-04-11 20:02:40,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 47 transitions. [2018-04-11 20:02:40,507 INFO L78 Accepts]: Start accepts. Automaton has 46 states and 47 transitions. Word has length 14 [2018-04-11 20:02:40,507 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 20:02:40,507 INFO L459 AbstractCegarLoop]: Abstraction has 46 states and 47 transitions. [2018-04-11 20:02:40,508 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-04-11 20:02:40,508 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 47 transitions. [2018-04-11 20:02:40,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-04-11 20:02:40,508 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 20:02:40,509 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 20:02:40,509 INFO L408 AbstractCegarLoop]: === Iteration 2 === [cstrlenErr1RequiresViolation, cstrlenErr0RequiresViolation, mainErr1AssertViolationMEMORY_FREE, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0AssertViolationMEMORY_FREE, __U_MULTI_fcstrlen_unsafe_false_valid_deref_i__build_nondet_StringErr0RequiresViolation, __U_MULTI_fcstrlen_unsafe_false_valid_deref_i__build_nondet_StringErr1RequiresViolation]=== [2018-04-11 20:02:40,509 INFO L82 PathProgramCache]: Analyzing trace with hash 2027579180, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-11 20:02:40,516 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 20:02:40,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 20:02:40,534 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-11 20:02:40,558 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-04-11 20:02:40,559 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-11 20:02:40,577 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-11 20:02:40,578 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:13, output treesize:12 [2018-04-11 20:02:40,619 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 20:02:40,619 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-11 20:02:40,669 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 20:02:40,688 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-04-11 20:02:40,689 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 6 [2018-04-11 20:02:40,690 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-04-11 20:02:40,690 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-04-11 20:02:40,690 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2018-04-11 20:02:40,690 INFO L87 Difference]: Start difference. First operand 46 states and 47 transitions. Second operand 7 states. [2018-04-11 20:02:40,765 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 20:02:40,765 INFO L93 Difference]: Finished difference Result 46 states and 47 transitions. [2018-04-11 20:02:40,766 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-04-11 20:02:40,766 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 14 [2018-04-11 20:02:40,766 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 20:02:40,767 INFO L225 Difference]: With dead ends: 46 [2018-04-11 20:02:40,767 INFO L226 Difference]: Without dead ends: 45 [2018-04-11 20:02:40,768 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2018-04-11 20:02:40,768 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states. [2018-04-11 20:02:40,771 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 45. [2018-04-11 20:02:40,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 45 states. [2018-04-11 20:02:40,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 46 transitions. [2018-04-11 20:02:40,772 INFO L78 Accepts]: Start accepts. Automaton has 45 states and 46 transitions. Word has length 14 [2018-04-11 20:02:40,772 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 20:02:40,773 INFO L459 AbstractCegarLoop]: Abstraction has 45 states and 46 transitions. [2018-04-11 20:02:40,773 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-04-11 20:02:40,773 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 46 transitions. [2018-04-11 20:02:40,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-04-11 20:02:40,773 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 20:02:40,773 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] [2018-04-11 20:02:40,774 INFO L408 AbstractCegarLoop]: === Iteration 3 === [cstrlenErr1RequiresViolation, cstrlenErr0RequiresViolation, mainErr1AssertViolationMEMORY_FREE, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0AssertViolationMEMORY_FREE, __U_MULTI_fcstrlen_unsafe_false_valid_deref_i__build_nondet_StringErr0RequiresViolation, __U_MULTI_fcstrlen_unsafe_false_valid_deref_i__build_nondet_StringErr1RequiresViolation]=== [2018-04-11 20:02:40,774 INFO L82 PathProgramCache]: Analyzing trace with hash -73667089, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-11 20:02:40,783 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 20:02:40,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 20:02:40,811 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-11 20:02:40,891 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 20:02:40,891 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-11 20:02:40,944 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 20:02:40,976 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-04-11 20:02:40,976 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [8, 8] imperfect sequences [] total 8 [2018-04-11 20:02:40,977 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-04-11 20:02:40,977 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-04-11 20:02:40,977 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2018-04-11 20:02:40,978 INFO L87 Difference]: Start difference. First operand 45 states and 46 transitions. Second operand 9 states. [2018-04-11 20:02:41,230 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 20:02:41,230 INFO L93 Difference]: Finished difference Result 45 states and 46 transitions. [2018-04-11 20:02:41,231 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-04-11 20:02:41,231 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 24 [2018-04-11 20:02:41,231 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 20:02:41,232 INFO L225 Difference]: With dead ends: 45 [2018-04-11 20:02:41,232 INFO L226 Difference]: Without dead ends: 43 [2018-04-11 20:02:41,232 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2018-04-11 20:02:41,233 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2018-04-11 20:02:41,236 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 43. [2018-04-11 20:02:41,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 43 states. [2018-04-11 20:02:41,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 44 transitions. [2018-04-11 20:02:41,237 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 44 transitions. Word has length 24 [2018-04-11 20:02:41,237 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 20:02:41,237 INFO L459 AbstractCegarLoop]: Abstraction has 43 states and 44 transitions. [2018-04-11 20:02:41,237 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-04-11 20:02:41,237 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 44 transitions. [2018-04-11 20:02:41,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-04-11 20:02:41,238 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 20:02:41,238 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] [2018-04-11 20:02:41,239 INFO L408 AbstractCegarLoop]: === Iteration 4 === [cstrlenErr1RequiresViolation, cstrlenErr0RequiresViolation, mainErr1AssertViolationMEMORY_FREE, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0AssertViolationMEMORY_FREE, __U_MULTI_fcstrlen_unsafe_false_valid_deref_i__build_nondet_StringErr0RequiresViolation, __U_MULTI_fcstrlen_unsafe_false_valid_deref_i__build_nondet_StringErr1RequiresViolation]=== [2018-04-11 20:02:41,239 INFO L82 PathProgramCache]: Analyzing trace with hash -73667088, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-11 20:02:41,246 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 20:02:41,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 20:02:41,278 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-11 20:02:41,438 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 20:02:41,438 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-11 20:02:41,563 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2018-04-11 20:02:41,564 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-11 20:02:41,581 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 10 [2018-04-11 20:02:41,582 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-11 20:02:41,590 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-11 20:02:41,590 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:29, output treesize:7 [2018-04-11 20:02:41,608 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 20:02:41,629 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-04-11 20:02:41,629 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [11, 11] imperfect sequences [] total 11 [2018-04-11 20:02:41,629 INFO L442 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-04-11 20:02:41,630 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-04-11 20:02:41,630 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=109, Unknown=0, NotChecked=0, Total=132 [2018-04-11 20:02:41,630 INFO L87 Difference]: Start difference. First operand 43 states and 44 transitions. Second operand 12 states. [2018-04-11 20:02:41,812 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 20:02:41,812 INFO L93 Difference]: Finished difference Result 46 states and 47 transitions. [2018-04-11 20:02:41,813 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2018-04-11 20:02:41,813 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 24 [2018-04-11 20:02:41,813 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 20:02:41,814 INFO L225 Difference]: With dead ends: 46 [2018-04-11 20:02:41,814 INFO L226 Difference]: Without dead ends: 45 [2018-04-11 20:02:41,814 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 35 SyntacticMatches, 2 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=58, Invalid=248, Unknown=0, NotChecked=0, Total=306 [2018-04-11 20:02:41,814 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states. [2018-04-11 20:02:41,817 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 45. [2018-04-11 20:02:41,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 45 states. [2018-04-11 20:02:41,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 46 transitions. [2018-04-11 20:02:41,818 INFO L78 Accepts]: Start accepts. Automaton has 45 states and 46 transitions. Word has length 24 [2018-04-11 20:02:41,819 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 20:02:41,819 INFO L459 AbstractCegarLoop]: Abstraction has 45 states and 46 transitions. [2018-04-11 20:02:41,819 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-04-11 20:02:41,819 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 46 transitions. [2018-04-11 20:02:41,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-04-11 20:02:41,820 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 20:02:41,820 INFO L355 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 20:02:41,820 INFO L408 AbstractCegarLoop]: === Iteration 5 === [cstrlenErr1RequiresViolation, cstrlenErr0RequiresViolation, mainErr1AssertViolationMEMORY_FREE, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0AssertViolationMEMORY_FREE, __U_MULTI_fcstrlen_unsafe_false_valid_deref_i__build_nondet_StringErr0RequiresViolation, __U_MULTI_fcstrlen_unsafe_false_valid_deref_i__build_nondet_StringErr1RequiresViolation]=== [2018-04-11 20:02:41,820 INFO L82 PathProgramCache]: Analyzing trace with hash 306648928, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-11 20:02:41,825 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 20:02:41,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-04-11 20:02:41,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-04-11 20:02:41,886 INFO L421 BasicCegarLoop]: Counterexample might be feasible [2018-04-11 20:02:41,911 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.04 08:02:41 BoogieIcfgContainer [2018-04-11 20:02:41,911 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-04-11 20:02:41,911 INFO L168 Benchmark]: Toolchain (without parser) took 2683.44 ms. Allocated memory was 300.4 MB in the beginning and 479.2 MB in the end (delta: 178.8 MB). Free memory was 237.8 MB in the beginning and 370.4 MB in the end (delta: -132.6 MB). Peak memory consumption was 46.2 MB. Max. memory is 5.3 GB. [2018-04-11 20:02:41,913 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 300.4 MB. Free memory is still 262.5 MB. There was no memory consumed. Max. memory is 5.3 GB. [2018-04-11 20:02:41,913 INFO L168 Benchmark]: CACSL2BoogieTranslator took 326.52 ms. Allocated memory is still 300.4 MB. Free memory was 237.8 MB in the beginning and 213.9 MB in the end (delta: 23.9 MB). Peak memory consumption was 23.9 MB. Max. memory is 5.3 GB. [2018-04-11 20:02:41,913 INFO L168 Benchmark]: Boogie Preprocessor took 58.77 ms. Allocated memory is still 300.4 MB. Free memory was 213.9 MB in the beginning and 211.9 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 5.3 GB. [2018-04-11 20:02:41,914 INFO L168 Benchmark]: RCFGBuilder took 488.22 ms. Allocated memory was 300.4 MB in the beginning and 457.7 MB in the end (delta: 157.3 MB). Free memory was 211.9 MB in the beginning and 396.7 MB in the end (delta: -184.9 MB). Peak memory consumption was 22.7 MB. Max. memory is 5.3 GB. [2018-04-11 20:02:41,914 INFO L168 Benchmark]: TraceAbstraction took 1805.49 ms. Allocated memory was 457.7 MB in the beginning and 479.2 MB in the end (delta: 21.5 MB). Free memory was 396.7 MB in the beginning and 370.4 MB in the end (delta: 26.4 MB). Peak memory consumption was 47.9 MB. Max. memory is 5.3 GB. [2018-04-11 20:02:41,917 INFO L344 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 300.4 MB. Free memory is still 262.5 MB. There was no memory consumed. Max. memory is 5.3 GB. * CACSL2BoogieTranslator took 326.52 ms. Allocated memory is still 300.4 MB. Free memory was 237.8 MB in the beginning and 213.9 MB in the end (delta: 23.9 MB). Peak memory consumption was 23.9 MB. Max. memory is 5.3 GB. * Boogie Preprocessor took 58.77 ms. Allocated memory is still 300.4 MB. Free memory was 213.9 MB in the beginning and 211.9 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 5.3 GB. * RCFGBuilder took 488.22 ms. Allocated memory was 300.4 MB in the beginning and 457.7 MB in the end (delta: 157.3 MB). Free memory was 211.9 MB in the beginning and 396.7 MB in the end (delta: -184.9 MB). Peak memory consumption was 22.7 MB. Max. memory is 5.3 GB. * TraceAbstraction took 1805.49 ms. Allocated memory was 457.7 MB in the beginning and 479.2 MB in the end (delta: 21.5 MB). Free memory was 396.7 MB in the beginning and 370.4 MB in the end (delta: 26.4 MB). Peak memory consumption was 47.9 MB. Max. memory is 5.3 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 552]: pointer dereference may fail pointer dereference may fail We found a FailurePath: [L557] CALL, EXPR build_nondet_String() [L541] int length = __VERIFIER_nondet_int(); VAL [__VERIFIER_nondet_int()=2, length=2] [L542] COND FALSE !(length < 1) VAL [length=2] [L545] EXPR, FCALL malloc(length * sizeof(char)) VAL [length=2, malloc(length * sizeof(char))={8:0}] [L545] char* nondetString = (char*) malloc(length * sizeof(char)); VAL [length=2, malloc(length * sizeof(char))={8:0}, nondetString={8:0}] [L546] FCALL nondetString[length-1] = '\0' VAL [length=2, malloc(length * sizeof(char))={8:0}, nondetString={8:0}] [L547] RET return nondetString; VAL [\result={8:0}, length=2, malloc(length * sizeof(char))={8:0}, nondetString={8:0}] [L557] EXPR build_nondet_String() VAL [build_nondet_String()={8:0}] [L557] char* p = build_nondet_String(); VAL [build_nondet_String()={8:0}, p={8:0}] [L558] CALL cstrlen(p) VAL [s={8:0}] [L551] const char *p = s; VAL [p={8:0}, s={8:0}, s={8:0}] [L552] EXPR, FCALL \read(*p) VAL [\read(*p)=6, p={8:0}, s={8:0}, s={8:0}] [L552] COND TRUE *p != '\0' VAL [\read(*p)=6, p={8:0}, s={8:0}, s={8:0}] [L553] p = p+2 VAL [p={8:2}, s={8:0}, s={8:0}] [L552] FCALL \read(*p) - StatisticsResult: Ultimate Automizer benchmark data CFG has 7 procedures, 60 locations, 7 error locations. UNSAFE Result, 1.7s OverallTime, 5 OverallIterations, 2 TraceHistogramMax, 0.6s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 153 SDtfs, 116 SDslu, 566 SDs, 0 SdLazy, 270 SolverSat, 9 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 160 GetRequests, 122 SyntacticMatches, 2 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 41 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=50occurred in iteration=0, 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, 4 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 105 NumberOfCodeBlocks, 105 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 144 ConstructedInterpolants, 0 QuantifiedInterpolants, 10734 SizeOfPredicates, 22 NumberOfNonLiveVariables, 276 ConjunctsInSsa, 57 ConjunctsInUnsatCore, 8 InterpolantComputations, 8 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/cstrlen_unsafe_false-valid-deref.i_svcomp-DerefFreeMemtrack-32bit-Automizer_Fixed_noBitfields+AI_EQ_SS.epf_AutomizerC.xml/Csv-Benchmark-0-2018-04-11_20-02-41-927.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/cstrlen_unsafe_false-valid-deref.i_svcomp-DerefFreeMemtrack-32bit-Automizer_Fixed_noBitfields+AI_EQ_SS.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-0-2018-04-11_20-02-41-927.csv Received shutdown request...