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-alloca_true-valid-memsafety_true-termination.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-453dfda-m [2018-04-09 19:55:37,132 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-04-09 19:55:37,133 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-04-09 19:55:37,145 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2018-04-09 19:55:37,172 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 [2018-04-09 19:55:37,196 INFO L110 SettingsManager]: Loading preferences was successful [2018-04-09 19:55:37,197 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-04-09 19:55:37,197 INFO L131 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2018-04-09 19:55:37,197 INFO L133 SettingsManager]: * ultimate.logging.details=de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation=DEBUG; [2018-04-09 19:55:37,198 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-04-09 19:55:37,198 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-04-09 19:55:37,198 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-04-09 19:55:37,198 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=VPDomain [2018-04-09 19:55:37,199 INFO L133 SettingsManager]: * Parallel states before merging=1 [2018-04-09 19:55:37,199 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-04-09 19:55:37,199 INFO L131 SettingsManager]: Preferences of LTL2Aut differ from their defaults: [2018-04-09 19:55:37,199 INFO L133 SettingsManager]: * Property to check=[] a a: x > 42 [2018-04-09 19:55:37,200 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-04-09 19:55:37,200 INFO L133 SettingsManager]: * sizeof long=4 [2018-04-09 19:55:37,200 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-04-09 19:55:37,200 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-04-09 19:55:37,200 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-04-09 19:55:37,201 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-04-09 19:55:37,201 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-04-09 19:55:37,201 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2018-04-09 19:55:37,201 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-04-09 19:55:37,201 INFO L133 SettingsManager]: * sizeof long double=12 [2018-04-09 19:55:37,202 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-04-09 19:55:37,202 INFO L133 SettingsManager]: * Size of a code block=SingleStatement [2018-04-09 19:55:37,202 INFO L133 SettingsManager]: * Add additional assume for each assert=false [2018-04-09 19:55:37,202 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-04-09 19:55:37,202 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-04-09 19:55:37,203 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-04-09 19:55:37,203 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-04-09 19:55:37,203 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-04-09 19:55:37,203 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-04-09 19:55:37,203 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-04-09 19:55:37,204 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-09 19:55:37,204 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-04-09 19:55:37,205 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-04-09 19:55:37,205 INFO L133 SettingsManager]: * TransformationType=HEAP_SEPARATOR [2018-04-09 19:55:37,205 INFO L131 SettingsManager]: Preferences of Boogie Printer differ from their defaults: [2018-04-09 19:55:37,205 INFO L133 SettingsManager]: * Dump path:=C:\Users\alex\AppData\Local\Temp\ [2018-04-09 19:55:37,242 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-04-09 19:55:37,255 INFO L266 ainManager$Toolchain]: [Toolchain 1]: Parser(s) successfully (re)initialized [2018-04-09 19:55:37,259 INFO L222 ainManager$Toolchain]: [Toolchain 1]: Toolchain data selected. [2018-04-09 19:55:37,261 INFO L271 PluginConnector]: Initializing CDTParser... [2018-04-09 19:55:37,262 INFO L276 PluginConnector]: CDTParser initialized [2018-04-09 19:55:37,262 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/array-memsafety/cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-04-09 19:55:37,594 INFO L225 CDTParser]: Created temporary CDT project at /storage/ultimate/releaseScripts/default/UAutomizer-linux/data/FLAG69c7618b0 [2018-04-09 19:55:37,753 INFO L287 CDTParser]: IsIndexed: true [2018-04-09 19:55:37,753 INFO L288 CDTParser]: Found 1 translation units. [2018-04-09 19:55:37,753 INFO L168 CDTParser]: Scanning cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-04-09 19:55:37,765 INFO L210 ultiparseSymbolTable]: Include resolver: [2018-04-09 19:55:37,765 INFO L215 ultiparseSymbolTable]: [2018-04-09 19:55:37,765 INFO L218 ultiparseSymbolTable]: Function table: [2018-04-09 19:55:37,765 INFO L221 ultiparseSymbolTable]: Function definition of __U_MULTI_fcstrlen_alloca_true_valid_memsafety_true_termination_i__ ('') in cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-04-09 19:55:37,765 INFO L221 ultiparseSymbolTable]: Function definition of null ('main') in cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-04-09 19:55:37,765 INFO L221 ultiparseSymbolTable]: Function definition of __U_MULTI_fcstrlen_alloca_true_valid_memsafety_true_termination_i____bswap_32 ('__bswap_32') in cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-04-09 19:55:37,766 INFO L221 ultiparseSymbolTable]: Function definition of __U_MULTI_fcstrlen_alloca_true_valid_memsafety_true_termination_i____bswap_64 ('__bswap_64') in cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-04-09 19:55:37,766 INFO L227 ultiparseSymbolTable]: Global variable table: [2018-04-09 19:55:37,766 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_alloca_true_valid_memsafety_true_termination_i____qaddr_t in cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-04-09 19:55:37,766 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_alloca_true_valid_memsafety_true_termination_i__int16_t in cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-04-09 19:55:37,766 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_alloca_true_valid_memsafety_true_termination_i__blksize_t in cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-04-09 19:55:37,766 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_alloca_true_valid_memsafety_true_termination_i__pthread_key_t in cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-04-09 19:55:37,766 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_alloca_true_valid_memsafety_true_termination_i____blksize_t in cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-04-09 19:55:37,766 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_alloca_true_valid_memsafety_true_termination_i__pthread_rwlock_t in cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-04-09 19:55:37,766 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_alloca_true_valid_memsafety_true_termination_i____u_char in cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-04-09 19:55:37,766 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_alloca_true_valid_memsafety_true_termination_i____caddr_t in cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-04-09 19:55:37,766 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_alloca_true_valid_memsafety_true_termination_i__fd_set in cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-04-09 19:55:37,767 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_alloca_true_valid_memsafety_true_termination_i____uint32_t in cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-04-09 19:55:37,767 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_alloca_true_valid_memsafety_true_termination_i____id_t in cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-04-09 19:55:37,767 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_alloca_true_valid_memsafety_true_termination_i____syscall_ulong_t in cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-04-09 19:55:37,767 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_alloca_true_valid_memsafety_true_termination_i__time_t in cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-04-09 19:55:37,767 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_alloca_true_valid_memsafety_true_termination_i__uid_t in cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-04-09 19:55:37,767 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_alloca_true_valid_memsafety_true_termination_i__u_int32_t in cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-04-09 19:55:37,767 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_alloca_true_valid_memsafety_true_termination_i__lldiv_t in cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-04-09 19:55:37,767 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_alloca_true_valid_memsafety_true_termination_i____dev_t in cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-04-09 19:55:37,767 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_alloca_true_valid_memsafety_true_termination_i____fsblkcnt_t in cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-04-09 19:55:37,767 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_alloca_true_valid_memsafety_true_termination_i__blkcnt_t in cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-04-09 19:55:37,767 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_alloca_true_valid_memsafety_true_termination_i__ulong in cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-04-09 19:55:37,767 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_alloca_true_valid_memsafety_true_termination_i__sigset_t in cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-04-09 19:55:37,767 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_alloca_true_valid_memsafety_true_termination_i__mode_t in cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-04-09 19:55:37,768 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_alloca_true_valid_memsafety_true_termination_i__u_char in cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-04-09 19:55:37,768 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_alloca_true_valid_memsafety_true_termination_i__div_t in cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-04-09 19:55:37,768 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_alloca_true_valid_memsafety_true_termination_i____u_long in cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-04-09 19:55:37,768 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_alloca_true_valid_memsafety_true_termination_i____int16_t in cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-04-09 19:55:37,768 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_alloca_true_valid_memsafety_true_termination_i__caddr_t in cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-04-09 19:55:37,768 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_alloca_true_valid_memsafety_true_termination_i____uint16_t in cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-04-09 19:55:37,768 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_alloca_true_valid_memsafety_true_termination_i____fsid_t in cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-04-09 19:55:37,768 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_alloca_true_valid_memsafety_true_termination_i__int8_t in cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-04-09 19:55:37,768 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_alloca_true_valid_memsafety_true_termination_i__daddr_t in cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-04-09 19:55:37,768 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_alloca_true_valid_memsafety_true_termination_i__ino_t in cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-04-09 19:55:37,768 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_alloca_true_valid_memsafety_true_termination_i__u_long in cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-04-09 19:55:37,768 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_alloca_true_valid_memsafety_true_termination_i__pid_t in cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-04-09 19:55:37,768 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_alloca_true_valid_memsafety_true_termination_i__ldiv_t in cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-04-09 19:55:37,769 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_alloca_true_valid_memsafety_true_termination_i__pthread_mutex_t in cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-04-09 19:55:37,769 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_alloca_true_valid_memsafety_true_termination_i____fsfilcnt64_t in cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-04-09 19:55:37,769 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_alloca_true_valid_memsafety_true_termination_i____loff_t in cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-04-09 19:55:37,769 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_alloca_true_valid_memsafety_true_termination_i__clock_t in cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-04-09 19:55:37,769 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_alloca_true_valid_memsafety_true_termination_i____u_short in cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-04-09 19:55:37,769 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_alloca_true_valid_memsafety_true_termination_i__suseconds_t in cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-04-09 19:55:37,769 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_alloca_true_valid_memsafety_true_termination_i____syscall_slong_t in cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-04-09 19:55:37,769 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_alloca_true_valid_memsafety_true_termination_i__pthread_barrierattr_t in cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-04-09 19:55:37,769 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_alloca_true_valid_memsafety_true_termination_i__register_t in cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-04-09 19:55:37,769 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_alloca_true_valid_memsafety_true_termination_i__fsid_t in cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-04-09 19:55:37,769 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_alloca_true_valid_memsafety_true_termination_i____int8_t in cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-04-09 19:55:37,769 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_alloca_true_valid_memsafety_true_termination_i____uint8_t in cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-04-09 19:55:37,770 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_alloca_true_valid_memsafety_true_termination_i____key_t in cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-04-09 19:55:37,770 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_alloca_true_valid_memsafety_true_termination_i____clock_t in cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-04-09 19:55:37,770 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_alloca_true_valid_memsafety_true_termination_i____WAIT_STATUS in cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-04-09 19:55:37,770 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_alloca_true_valid_memsafety_true_termination_i__u_quad_t in cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-04-09 19:55:37,770 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_alloca_true_valid_memsafety_true_termination_i____rlim64_t in cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-04-09 19:55:37,770 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_alloca_true_valid_memsafety_true_termination_i__ushort in cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-04-09 19:55:37,770 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_alloca_true_valid_memsafety_true_termination_i__pthread_condattr_t in cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-04-09 19:55:37,770 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_alloca_true_valid_memsafety_true_termination_i____time_t in cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-04-09 19:55:37,770 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_alloca_true_valid_memsafety_true_termination_i__loff_t in cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-04-09 19:55:37,770 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_alloca_true_valid_memsafety_true_termination_i__int64_t in cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-04-09 19:55:37,770 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_alloca_true_valid_memsafety_true_termination_i__u_int64_t in cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-04-09 19:55:37,771 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_alloca_true_valid_memsafety_true_termination_i____daddr_t in cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-04-09 19:55:37,771 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_alloca_true_valid_memsafety_true_termination_i____fsfilcnt_t in cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-04-09 19:55:37,771 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_alloca_true_valid_memsafety_true_termination_i__nlink_t in cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-04-09 19:55:37,771 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_alloca_true_valid_memsafety_true_termination_i__wchar_t in cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-04-09 19:55:37,771 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_alloca_true_valid_memsafety_true_termination_i____fd_mask in cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-04-09 19:55:37,771 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_alloca_true_valid_memsafety_true_termination_i__uint in cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-04-09 19:55:37,771 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_alloca_true_valid_memsafety_true_termination_i____uid_t in cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-04-09 19:55:37,771 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_alloca_true_valid_memsafety_true_termination_i__pthread_t in cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-04-09 19:55:37,772 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_alloca_true_valid_memsafety_true_termination_i____int64_t in cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-04-09 19:55:37,772 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_alloca_true_valid_memsafety_true_termination_i____u_int in cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-04-09 19:55:37,772 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_alloca_true_valid_memsafety_true_termination_i____uint64_t in cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-04-09 19:55:37,772 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_alloca_true_valid_memsafety_true_termination_i____useconds_t in cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-04-09 19:55:37,772 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_alloca_true_valid_memsafety_true_termination_i__u_int8_t in cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-04-09 19:55:37,772 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_alloca_true_valid_memsafety_true_termination_i__pthread_attr_t in cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-04-09 19:55:37,772 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_alloca_true_valid_memsafety_true_termination_i____clockid_t in cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-04-09 19:55:37,772 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_alloca_true_valid_memsafety_true_termination_i____sig_atomic_t in cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-04-09 19:55:37,773 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_alloca_true_valid_memsafety_true_termination_i__u_int16_t in cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-04-09 19:55:37,773 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_alloca_true_valid_memsafety_true_termination_i__quad_t in cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-04-09 19:55:37,773 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_alloca_true_valid_memsafety_true_termination_i__pthread_spinlock_t in cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-04-09 19:55:37,773 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_alloca_true_valid_memsafety_true_termination_i____blkcnt_t in cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-04-09 19:55:37,773 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_alloca_true_valid_memsafety_true_termination_i__pthread_cond_t in cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-04-09 19:55:37,773 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_alloca_true_valid_memsafety_true_termination_i____fsword_t in cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-04-09 19:55:37,773 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_alloca_true_valid_memsafety_true_termination_i__fd_mask in cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-04-09 19:55:37,773 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_alloca_true_valid_memsafety_true_termination_i__pthread_once_t in cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-04-09 19:55:37,774 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_alloca_true_valid_memsafety_true_termination_i__dev_t in cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-04-09 19:55:37,774 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_alloca_true_valid_memsafety_true_termination_i__gid_t in cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-04-09 19:55:37,774 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_alloca_true_valid_memsafety_true_termination_i__ssize_t in cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-04-09 19:55:37,774 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_alloca_true_valid_memsafety_true_termination_i__u_short in cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-04-09 19:55:37,774 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_alloca_true_valid_memsafety_true_termination_i__id_t in cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-04-09 19:55:37,774 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_alloca_true_valid_memsafety_true_termination_i____sigset_t in cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-04-09 19:55:37,774 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_alloca_true_valid_memsafety_true_termination_i____ino_t in cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-04-09 19:55:37,774 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_alloca_true_valid_memsafety_true_termination_i____ino64_t in cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-04-09 19:55:37,775 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_alloca_true_valid_memsafety_true_termination_i____off_t in cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-04-09 19:55:37,775 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_alloca_true_valid_memsafety_true_termination_i____quad_t in cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-04-09 19:55:37,775 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_alloca_true_valid_memsafety_true_termination_i____mode_t in cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-04-09 19:55:37,775 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_alloca_true_valid_memsafety_true_termination_i__fsfilcnt_t in cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-04-09 19:55:37,775 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_alloca_true_valid_memsafety_true_termination_i__int32_t in cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-04-09 19:55:37,775 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_alloca_true_valid_memsafety_true_termination_i____gid_t in cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-04-09 19:55:37,775 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_alloca_true_valid_memsafety_true_termination_i__pthread_barrier_t in cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-04-09 19:55:37,775 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_alloca_true_valid_memsafety_true_termination_i____intptr_t in cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-04-09 19:55:37,776 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_alloca_true_valid_memsafety_true_termination_i__pthread_rwlockattr_t in cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-04-09 19:55:37,776 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_alloca_true_valid_memsafety_true_termination_i____u_quad_t in cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-04-09 19:55:37,776 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_alloca_true_valid_memsafety_true_termination_i____blkcnt64_t in cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-04-09 19:55:37,776 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_alloca_true_valid_memsafety_true_termination_i__size_t in cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-04-09 19:55:37,776 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_alloca_true_valid_memsafety_true_termination_i__off_t in cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-04-09 19:55:37,776 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_alloca_true_valid_memsafety_true_termination_i____nlink_t in cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-04-09 19:55:37,776 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_alloca_true_valid_memsafety_true_termination_i____ssize_t in cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-04-09 19:55:37,777 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_alloca_true_valid_memsafety_true_termination_i____socklen_t in cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-04-09 19:55:37,777 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_alloca_true_valid_memsafety_true_termination_i__key_t in cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-04-09 19:55:37,777 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_alloca_true_valid_memsafety_true_termination_i__timer_t in cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-04-09 19:55:37,777 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_alloca_true_valid_memsafety_true_termination_i____pthread_list_t in cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-04-09 19:55:37,777 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_alloca_true_valid_memsafety_true_termination_i____rlim_t in cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-04-09 19:55:37,777 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_alloca_true_valid_memsafety_true_termination_i__u_int in cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-04-09 19:55:37,777 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_alloca_true_valid_memsafety_true_termination_i__clockid_t in cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-04-09 19:55:37,777 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_alloca_true_valid_memsafety_true_termination_i____int32_t in cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-04-09 19:55:37,777 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_alloca_true_valid_memsafety_true_termination_i__fsblkcnt_t in cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-04-09 19:55:37,778 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_alloca_true_valid_memsafety_true_termination_i____timer_t in cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-04-09 19:55:37,778 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_alloca_true_valid_memsafety_true_termination_i____off64_t in cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-04-09 19:55:37,778 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_alloca_true_valid_memsafety_true_termination_i____suseconds_t in cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-04-09 19:55:37,778 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_alloca_true_valid_memsafety_true_termination_i____fsblkcnt64_t in cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-04-09 19:55:37,778 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_alloca_true_valid_memsafety_true_termination_i__pthread_mutexattr_t in cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-04-09 19:55:37,778 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_alloca_true_valid_memsafety_true_termination_i____pid_t in cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-04-09 19:55:37,795 INFO L330 CDTParser]: Deleted temporary CDT project at /storage/ultimate/releaseScripts/default/UAutomizer-linux/data/FLAG69c7618b0 [2018-04-09 19:55:37,799 INFO L304 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-04-09 19:55:37,801 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-04-09 19:55:37,802 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-04-09 19:55:37,802 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-04-09 19:55:37,807 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-04-09 19:55:37,808 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.04 07:55:37" (1/1) ... [2018-04-09 19:55:37,810 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5a0da3a7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.04 07:55:37, skipping insertion in model container [2018-04-09 19:55:37,810 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.04 07:55:37" (1/1) ... [2018-04-09 19:55:37,823 INFO L167 Dispatcher]: Using SV-COMP mode [2018-04-09 19:55:37,852 INFO L167 Dispatcher]: Using SV-COMP mode [2018-04-09 19:55:38,017 INFO L175 PostProcessor]: Settings: Checked method=main [2018-04-09 19:55:38,061 INFO L175 PostProcessor]: Settings: Checked method=main [2018-04-09 19:55:38,069 INFO L100 SccComputation]: Graph consists of 0 InCaSumBalls and 112 non ball SCCs. Number of states in SCCs 112. [2018-04-09 19:55:38,118 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.04 07:55:38 WrapperNode [2018-04-09 19:55:38,118 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-04-09 19:55:38,119 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-04-09 19:55:38,119 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-04-09 19:55:38,119 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-04-09 19:55:38,133 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.04 07:55:38" (1/1) ... [2018-04-09 19:55:38,134 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.04 07:55:38" (1/1) ... [2018-04-09 19:55:38,150 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.04 07:55:38" (1/1) ... [2018-04-09 19:55:38,150 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.04 07:55:38" (1/1) ... [2018-04-09 19:55:38,161 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.04 07:55:38" (1/1) ... [2018-04-09 19:55:38,166 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.04 07:55:38" (1/1) ... [2018-04-09 19:55:38,169 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.04 07:55:38" (1/1) ... [2018-04-09 19:55:38,173 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-04-09 19:55:38,174 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-04-09 19:55:38,174 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-04-09 19:55:38,174 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-04-09 19:55:38,175 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.04 07:55:38" (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 [2018-04-09 19:55:38,297 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-04-09 19:55:38,297 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-04-09 19:55:38,297 INFO L136 BoogieDeclarations]: Found implementation of procedure __U_MULTI_fcstrlen_alloca_true_valid_memsafety_true_termination_i____bswap_32 [2018-04-09 19:55:38,298 INFO L136 BoogieDeclarations]: Found implementation of procedure __U_MULTI_fcstrlen_alloca_true_valid_memsafety_true_termination_i____bswap_64 [2018-04-09 19:55:38,298 INFO L136 BoogieDeclarations]: Found implementation of procedure cstrlen [2018-04-09 19:55:38,298 INFO L136 BoogieDeclarations]: Found implementation of procedure main [2018-04-09 19:55:38,298 INFO L128 BoogieDeclarations]: Found specification of procedure __U_MULTI_fcstrlen_alloca_true_valid_memsafety_true_termination_i____bswap_32 [2018-04-09 19:55:38,298 INFO L128 BoogieDeclarations]: Found specification of procedure __U_MULTI_fcstrlen_alloca_true_valid_memsafety_true_termination_i____bswap_64 [2018-04-09 19:55:38,298 INFO L128 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2018-04-09 19:55:38,298 INFO L128 BoogieDeclarations]: Found specification of procedure atof [2018-04-09 19:55:38,298 INFO L128 BoogieDeclarations]: Found specification of procedure atoi [2018-04-09 19:55:38,299 INFO L128 BoogieDeclarations]: Found specification of procedure atol [2018-04-09 19:55:38,299 INFO L128 BoogieDeclarations]: Found specification of procedure atoll [2018-04-09 19:55:38,299 INFO L128 BoogieDeclarations]: Found specification of procedure strtod [2018-04-09 19:55:38,299 INFO L128 BoogieDeclarations]: Found specification of procedure strtof [2018-04-09 19:55:38,299 INFO L128 BoogieDeclarations]: Found specification of procedure strtold [2018-04-09 19:55:38,299 INFO L128 BoogieDeclarations]: Found specification of procedure strtol [2018-04-09 19:55:38,299 INFO L128 BoogieDeclarations]: Found specification of procedure strtoul [2018-04-09 19:55:38,300 INFO L128 BoogieDeclarations]: Found specification of procedure strtoq [2018-04-09 19:55:38,300 INFO L128 BoogieDeclarations]: Found specification of procedure strtouq [2018-04-09 19:55:38,300 INFO L128 BoogieDeclarations]: Found specification of procedure strtoll [2018-04-09 19:55:38,300 INFO L128 BoogieDeclarations]: Found specification of procedure strtoull [2018-04-09 19:55:38,300 INFO L128 BoogieDeclarations]: Found specification of procedure l64a [2018-04-09 19:55:38,300 INFO L128 BoogieDeclarations]: Found specification of procedure a64l [2018-04-09 19:55:38,300 INFO L128 BoogieDeclarations]: Found specification of procedure select [2018-04-09 19:55:38,301 INFO L128 BoogieDeclarations]: Found specification of procedure pselect [2018-04-09 19:55:38,301 INFO L128 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2018-04-09 19:55:38,301 INFO L128 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2018-04-09 19:55:38,301 INFO L128 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2018-04-09 19:55:38,301 INFO L128 BoogieDeclarations]: Found specification of procedure random [2018-04-09 19:55:38,301 INFO L128 BoogieDeclarations]: Found specification of procedure srandom [2018-04-09 19:55:38,302 INFO L128 BoogieDeclarations]: Found specification of procedure initstate [2018-04-09 19:55:38,302 INFO L128 BoogieDeclarations]: Found specification of procedure setstate [2018-04-09 19:55:38,302 INFO L128 BoogieDeclarations]: Found specification of procedure random_r [2018-04-09 19:55:38,302 INFO L128 BoogieDeclarations]: Found specification of procedure srandom_r [2018-04-09 19:55:38,302 INFO L128 BoogieDeclarations]: Found specification of procedure initstate_r [2018-04-09 19:55:38,302 INFO L128 BoogieDeclarations]: Found specification of procedure setstate_r [2018-04-09 19:55:38,303 INFO L128 BoogieDeclarations]: Found specification of procedure rand [2018-04-09 19:55:38,303 INFO L128 BoogieDeclarations]: Found specification of procedure srand [2018-04-09 19:55:38,303 INFO L128 BoogieDeclarations]: Found specification of procedure rand_r [2018-04-09 19:55:38,303 INFO L128 BoogieDeclarations]: Found specification of procedure drand48 [2018-04-09 19:55:38,303 INFO L128 BoogieDeclarations]: Found specification of procedure erand48 [2018-04-09 19:55:38,303 INFO L128 BoogieDeclarations]: Found specification of procedure lrand48 [2018-04-09 19:55:38,303 INFO L128 BoogieDeclarations]: Found specification of procedure nrand48 [2018-04-09 19:55:38,303 INFO L128 BoogieDeclarations]: Found specification of procedure mrand48 [2018-04-09 19:55:38,304 INFO L128 BoogieDeclarations]: Found specification of procedure jrand48 [2018-04-09 19:55:38,304 INFO L128 BoogieDeclarations]: Found specification of procedure srand48 [2018-04-09 19:55:38,304 INFO L128 BoogieDeclarations]: Found specification of procedure seed48 [2018-04-09 19:55:38,304 INFO L128 BoogieDeclarations]: Found specification of procedure lcong48 [2018-04-09 19:55:38,304 INFO L128 BoogieDeclarations]: Found specification of procedure drand48_r [2018-04-09 19:55:38,304 INFO L128 BoogieDeclarations]: Found specification of procedure erand48_r [2018-04-09 19:55:38,304 INFO L128 BoogieDeclarations]: Found specification of procedure lrand48_r [2018-04-09 19:55:38,304 INFO L128 BoogieDeclarations]: Found specification of procedure nrand48_r [2018-04-09 19:55:38,304 INFO L128 BoogieDeclarations]: Found specification of procedure mrand48_r [2018-04-09 19:55:38,305 INFO L128 BoogieDeclarations]: Found specification of procedure jrand48_r [2018-04-09 19:55:38,305 INFO L128 BoogieDeclarations]: Found specification of procedure srand48_r [2018-04-09 19:55:38,305 INFO L128 BoogieDeclarations]: Found specification of procedure seed48_r [2018-04-09 19:55:38,305 INFO L128 BoogieDeclarations]: Found specification of procedure lcong48_r [2018-04-09 19:55:38,305 INFO L128 BoogieDeclarations]: Found specification of procedure malloc [2018-04-09 19:55:38,305 INFO L128 BoogieDeclarations]: Found specification of procedure calloc [2018-04-09 19:55:38,305 INFO L128 BoogieDeclarations]: Found specification of procedure realloc [2018-04-09 19:55:38,305 INFO L128 BoogieDeclarations]: Found specification of procedure free [2018-04-09 19:55:38,305 INFO L128 BoogieDeclarations]: Found specification of procedure cfree [2018-04-09 19:55:38,305 INFO L128 BoogieDeclarations]: Found specification of procedure alloca [2018-04-09 19:55:38,306 INFO L128 BoogieDeclarations]: Found specification of procedure valloc [2018-04-09 19:55:38,306 INFO L128 BoogieDeclarations]: Found specification of procedure posix_memalign [2018-04-09 19:55:38,306 INFO L128 BoogieDeclarations]: Found specification of procedure abort [2018-04-09 19:55:38,306 INFO L128 BoogieDeclarations]: Found specification of procedure atexit [2018-04-09 19:55:38,306 INFO L128 BoogieDeclarations]: Found specification of procedure on_exit [2018-04-09 19:55:38,306 INFO L128 BoogieDeclarations]: Found specification of procedure exit [2018-04-09 19:55:38,306 INFO L128 BoogieDeclarations]: Found specification of procedure _Exit [2018-04-09 19:55:38,306 INFO L128 BoogieDeclarations]: Found specification of procedure getenv [2018-04-09 19:55:38,306 INFO L128 BoogieDeclarations]: Found specification of procedure putenv [2018-04-09 19:55:38,306 INFO L128 BoogieDeclarations]: Found specification of procedure setenv [2018-04-09 19:55:38,307 INFO L128 BoogieDeclarations]: Found specification of procedure unsetenv [2018-04-09 19:55:38,307 INFO L128 BoogieDeclarations]: Found specification of procedure clearenv [2018-04-09 19:55:38,307 INFO L128 BoogieDeclarations]: Found specification of procedure mktemp [2018-04-09 19:55:38,307 INFO L128 BoogieDeclarations]: Found specification of procedure mkstemp [2018-04-09 19:55:38,307 INFO L128 BoogieDeclarations]: Found specification of procedure mkstemps [2018-04-09 19:55:38,307 INFO L128 BoogieDeclarations]: Found specification of procedure mkdtemp [2018-04-09 19:55:38,307 INFO L128 BoogieDeclarations]: Found specification of procedure system [2018-04-09 19:55:38,307 INFO L128 BoogieDeclarations]: Found specification of procedure realpath [2018-04-09 19:55:38,307 INFO L128 BoogieDeclarations]: Found specification of procedure bsearch [2018-04-09 19:55:38,307 INFO L128 BoogieDeclarations]: Found specification of procedure qsort [2018-04-09 19:55:38,308 INFO L128 BoogieDeclarations]: Found specification of procedure abs [2018-04-09 19:55:38,308 INFO L128 BoogieDeclarations]: Found specification of procedure labs [2018-04-09 19:55:38,308 INFO L128 BoogieDeclarations]: Found specification of procedure llabs [2018-04-09 19:55:38,308 INFO L128 BoogieDeclarations]: Found specification of procedure div [2018-04-09 19:55:38,308 INFO L128 BoogieDeclarations]: Found specification of procedure ldiv [2018-04-09 19:55:38,308 INFO L128 BoogieDeclarations]: Found specification of procedure lldiv [2018-04-09 19:55:38,308 INFO L128 BoogieDeclarations]: Found specification of procedure ecvt [2018-04-09 19:55:38,309 INFO L128 BoogieDeclarations]: Found specification of procedure fcvt [2018-04-09 19:55:38,309 INFO L128 BoogieDeclarations]: Found specification of procedure gcvt [2018-04-09 19:55:38,309 INFO L128 BoogieDeclarations]: Found specification of procedure qecvt [2018-04-09 19:55:38,309 INFO L128 BoogieDeclarations]: Found specification of procedure qfcvt [2018-04-09 19:55:38,309 INFO L128 BoogieDeclarations]: Found specification of procedure qgcvt [2018-04-09 19:55:38,309 INFO L128 BoogieDeclarations]: Found specification of procedure ecvt_r [2018-04-09 19:55:38,309 INFO L128 BoogieDeclarations]: Found specification of procedure fcvt_r [2018-04-09 19:55:38,309 INFO L128 BoogieDeclarations]: Found specification of procedure qecvt_r [2018-04-09 19:55:38,310 INFO L128 BoogieDeclarations]: Found specification of procedure qfcvt_r [2018-04-09 19:55:38,310 INFO L128 BoogieDeclarations]: Found specification of procedure mblen [2018-04-09 19:55:38,310 INFO L128 BoogieDeclarations]: Found specification of procedure mbtowc [2018-04-09 19:55:38,310 INFO L128 BoogieDeclarations]: Found specification of procedure wctomb [2018-04-09 19:55:38,310 INFO L128 BoogieDeclarations]: Found specification of procedure mbstowcs [2018-04-09 19:55:38,310 INFO L128 BoogieDeclarations]: Found specification of procedure wcstombs [2018-04-09 19:55:38,310 INFO L128 BoogieDeclarations]: Found specification of procedure rpmatch [2018-04-09 19:55:38,311 INFO L128 BoogieDeclarations]: Found specification of procedure getsubopt [2018-04-09 19:55:38,311 INFO L128 BoogieDeclarations]: Found specification of procedure getloadavg [2018-04-09 19:55:38,311 INFO L128 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-04-09 19:55:38,311 INFO L128 BoogieDeclarations]: Found specification of procedure cstrlen [2018-04-09 19:55:38,311 INFO L128 BoogieDeclarations]: Found specification of procedure read~int [2018-04-09 19:55:38,311 INFO L128 BoogieDeclarations]: Found specification of procedure main [2018-04-09 19:55:38,311 INFO L128 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-04-09 19:55:38,311 INFO L128 BoogieDeclarations]: Found specification of procedure write~int [2018-04-09 19:55:38,312 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-04-09 19:55:38,312 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-04-09 19:55:38,312 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-04-09 19:55:38,312 INFO L128 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2018-04-09 19:55:38,642 INFO L259 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-04-09 19:55:38,643 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.04 07:55:38 BoogieIcfgContainer [2018-04-09 19:55:38,643 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-04-09 19:55:38,644 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-04-09 19:55:38,644 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-04-09 19:55:38,647 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-04-09 19:55:38,647 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.04 07:55:37" (1/3) ... [2018-04-09 19:55:38,648 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@336b6fa9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.04 07:55:38, skipping insertion in model container [2018-04-09 19:55:38,648 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.04 07:55:38" (2/3) ... [2018-04-09 19:55:38,649 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@336b6fa9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.04 07:55:38, skipping insertion in model container [2018-04-09 19:55:38,649 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.04 07:55:38" (3/3) ... [2018-04-09 19:55:38,650 INFO L107 eAbstractionObserver]: Analyzing ICFG cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-04-09 19:55:38,658 INFO L131 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-04-09 19:55:38,667 INFO L143 ceAbstractionStarter]: Appying trace abstraction to program that has 5 error locations. [2018-04-09 19:55:38,704 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2018-04-09 19:55:38,704 INFO L369 AbstractCegarLoop]: Interprodecural is true [2018-04-09 19:55:38,704 INFO L370 AbstractCegarLoop]: Hoare is true [2018-04-09 19:55:38,704 INFO L371 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-04-09 19:55:38,704 INFO L372 AbstractCegarLoop]: Backedges is TWOTRACK [2018-04-09 19:55:38,705 INFO L373 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-04-09 19:55:38,705 INFO L374 AbstractCegarLoop]: Difference is false [2018-04-09 19:55:38,705 INFO L375 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-04-09 19:55:38,705 INFO L380 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-04-09 19:55:38,705 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-04-09 19:55:38,718 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states. [2018-04-09 19:55:38,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-04-09 19:55:38,725 INFO L347 BasicCegarLoop]: Found error trace [2018-04-09 19:55:38,726 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-09 19:55:38,727 INFO L408 AbstractCegarLoop]: === Iteration 1 === [cstrlenErr1RequiresViolation, cstrlenErr0RequiresViolation, mainErr1RequiresViolation, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-09 19:55:38,732 INFO L82 PathProgramCache]: Analyzing trace with hash -302183799, 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 [2018-04-09 19:55:38,751 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-09 19:55:38,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-09 19:55:38,789 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-09 19:55:38,826 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 [2018-04-09 19:55:38,827 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-09 19:55:38,832 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-09 19:55:38,832 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2018-04-09 19:55:38,844 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-09 19:55:38,844 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-09 19:55:38,852 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-09 19:55:38,875 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-04-09 19:55:38,875 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2018-04-09 19:55:38,877 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-04-09 19:55:38,886 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-04-09 19:55:38,887 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-04-09 19:55:38,889 INFO L87 Difference]: Start difference. First operand 42 states. Second operand 4 states. [2018-04-09 19:55:38,952 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-09 19:55:38,952 INFO L93 Difference]: Finished difference Result 55 states and 56 transitions. [2018-04-09 19:55:38,952 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-04-09 19:55:38,954 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 13 [2018-04-09 19:55:38,954 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-09 19:55:38,963 INFO L225 Difference]: With dead ends: 55 [2018-04-09 19:55:38,964 INFO L226 Difference]: Without dead ends: 38 [2018-04-09 19:55:38,967 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-04-09 19:55:38,982 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38 states. [2018-04-09 19:55:39,000 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38 to 38. [2018-04-09 19:55:39,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 38 states. [2018-04-09 19:55:39,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 39 transitions. [2018-04-09 19:55:39,004 INFO L78 Accepts]: Start accepts. Automaton has 38 states and 39 transitions. Word has length 13 [2018-04-09 19:55:39,004 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-09 19:55:39,004 INFO L459 AbstractCegarLoop]: Abstraction has 38 states and 39 transitions. [2018-04-09 19:55:39,005 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-04-09 19:55:39,005 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 39 transitions. [2018-04-09 19:55:39,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-04-09 19:55:39,005 INFO L347 BasicCegarLoop]: Found error trace [2018-04-09 19:55:39,005 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-09 19:55:39,005 INFO L408 AbstractCegarLoop]: === Iteration 2 === [cstrlenErr1RequiresViolation, cstrlenErr0RequiresViolation, mainErr1RequiresViolation, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-09 19:55:39,006 INFO L82 PathProgramCache]: Analyzing trace with hash -302183798, 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 [2018-04-09 19:55:39,012 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-09 19:55:39,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-09 19:55:39,025 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-09 19:55:39,037 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 [2018-04-09 19:55:39,038 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-09 19:55:39,048 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-09 19:55:39,048 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:13, output treesize:12 [2018-04-09 19:55:39,097 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-09 19:55:39,098 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-09 19:55:39,153 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-09 19:55:39,174 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-04-09 19:55:39,174 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 6 [2018-04-09 19:55:39,175 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-04-09 19:55:39,175 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-04-09 19:55:39,176 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2018-04-09 19:55:39,176 INFO L87 Difference]: Start difference. First operand 38 states and 39 transitions. Second operand 7 states. [2018-04-09 19:55:39,241 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-09 19:55:39,241 INFO L93 Difference]: Finished difference Result 38 states and 39 transitions. [2018-04-09 19:55:39,241 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-04-09 19:55:39,242 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 13 [2018-04-09 19:55:39,242 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-09 19:55:39,242 INFO L225 Difference]: With dead ends: 38 [2018-04-09 19:55:39,242 INFO L226 Difference]: Without dead ends: 37 [2018-04-09 19:55:39,243 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2018-04-09 19:55:39,243 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37 states. [2018-04-09 19:55:39,246 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 37. [2018-04-09 19:55:39,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 37 states. [2018-04-09 19:55:39,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 38 transitions. [2018-04-09 19:55:39,247 INFO L78 Accepts]: Start accepts. Automaton has 37 states and 38 transitions. Word has length 13 [2018-04-09 19:55:39,248 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-09 19:55:39,248 INFO L459 AbstractCegarLoop]: Abstraction has 37 states and 38 transitions. [2018-04-09 19:55:39,248 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-04-09 19:55:39,248 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 38 transitions. [2018-04-09 19:55:39,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-04-09 19:55:39,248 INFO L347 BasicCegarLoop]: Found error trace [2018-04-09 19:55:39,249 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-09 19:55:39,249 INFO L408 AbstractCegarLoop]: === Iteration 3 === [cstrlenErr1RequiresViolation, cstrlenErr0RequiresViolation, mainErr1RequiresViolation, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-09 19:55:39,249 INFO L82 PathProgramCache]: Analyzing trace with hash 1143216026, 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 [2018-04-09 19:55:39,257 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-09 19:55:39,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-09 19:55:39,280 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-09 19:55:39,332 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-09 19:55:39,332 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-09 19:55:39,338 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-09 19:55:39,360 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-04-09 19:55:39,360 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2018-04-09 19:55:39,360 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-04-09 19:55:39,360 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-04-09 19:55:39,360 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-04-09 19:55:39,361 INFO L87 Difference]: Start difference. First operand 37 states and 38 transitions. Second operand 6 states. [2018-04-09 19:55:39,556 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-09 19:55:39,556 INFO L93 Difference]: Finished difference Result 41 states and 42 transitions. [2018-04-09 19:55:39,556 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-04-09 19:55:39,557 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 18 [2018-04-09 19:55:39,557 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-09 19:55:39,557 INFO L225 Difference]: With dead ends: 41 [2018-04-09 19:55:39,558 INFO L226 Difference]: Without dead ends: 40 [2018-04-09 19:55:39,558 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-04-09 19:55:39,558 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40 states. [2018-04-09 19:55:39,562 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40 to 39. [2018-04-09 19:55:39,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 39 states. [2018-04-09 19:55:39,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 41 transitions. [2018-04-09 19:55:39,564 INFO L78 Accepts]: Start accepts. Automaton has 39 states and 41 transitions. Word has length 18 [2018-04-09 19:55:39,564 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-09 19:55:39,564 INFO L459 AbstractCegarLoop]: Abstraction has 39 states and 41 transitions. [2018-04-09 19:55:39,564 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-04-09 19:55:39,564 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 41 transitions. [2018-04-09 19:55:39,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-04-09 19:55:39,565 INFO L347 BasicCegarLoop]: Found error trace [2018-04-09 19:55:39,565 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-09 19:55:39,565 INFO L408 AbstractCegarLoop]: === Iteration 4 === [cstrlenErr1RequiresViolation, cstrlenErr0RequiresViolation, mainErr1RequiresViolation, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-09 19:55:39,565 INFO L82 PathProgramCache]: Analyzing trace with hash 1143216027, 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 [2018-04-09 19:55:39,576 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-09 19:55:39,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-09 19:55:39,592 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-09 19:55:39,670 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-09 19:55:39,670 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-09 19:55:39,684 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 [2018-04-09 19:55:39,684 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-09 19:55:39,709 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 [2018-04-09 19:55:39,709 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-09 19:55:39,739 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-09 19:55:39,740 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:29, output treesize:7 [2018-04-09 19:55:39,792 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-09 19:55:39,814 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-04-09 19:55:39,814 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [8, 8] imperfect sequences [] total 8 [2018-04-09 19:55:39,815 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-04-09 19:55:39,815 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-04-09 19:55:39,823 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2018-04-09 19:55:39,824 INFO L87 Difference]: Start difference. First operand 39 states and 41 transitions. Second operand 9 states. [2018-04-09 19:55:39,987 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-09 19:55:39,988 INFO L93 Difference]: Finished difference Result 40 states and 41 transitions. [2018-04-09 19:55:39,988 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-04-09 19:55:39,988 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 18 [2018-04-09 19:55:39,988 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-09 19:55:39,989 INFO L225 Difference]: With dead ends: 40 [2018-04-09 19:55:39,989 INFO L226 Difference]: Without dead ends: 39 [2018-04-09 19:55:39,990 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 26 SyntacticMatches, 2 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=45, Invalid=137, Unknown=0, NotChecked=0, Total=182 [2018-04-09 19:55:39,991 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39 states. [2018-04-09 19:55:39,995 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39 to 39. [2018-04-09 19:55:39,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 39 states. [2018-04-09 19:55:39,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 40 transitions. [2018-04-09 19:55:39,997 INFO L78 Accepts]: Start accepts. Automaton has 39 states and 40 transitions. Word has length 18 [2018-04-09 19:55:39,997 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-09 19:55:39,997 INFO L459 AbstractCegarLoop]: Abstraction has 39 states and 40 transitions. [2018-04-09 19:55:39,997 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-04-09 19:55:39,997 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 40 transitions. [2018-04-09 19:55:39,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-04-09 19:55:39,998 INFO L347 BasicCegarLoop]: Found error trace [2018-04-09 19:55:39,998 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] [2018-04-09 19:55:39,999 INFO L408 AbstractCegarLoop]: === Iteration 5 === [cstrlenErr1RequiresViolation, cstrlenErr0RequiresViolation, mainErr1RequiresViolation, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-09 19:55:39,999 INFO L82 PathProgramCache]: Analyzing trace with hash 2040270873, 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 [2018-04-09 19:55:40,005 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-09 19:55:40,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-09 19:55:40,026 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-09 19:55:40,064 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-04-09 19:55:40,064 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-09 19:55:40,070 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-04-09 19:55:40,105 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-04-09 19:55:40,105 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [6, 6] imperfect sequences [] total 6 [2018-04-09 19:55:40,106 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-04-09 19:55:40,108 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-04-09 19:55:40,108 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-04-09 19:55:40,110 INFO L87 Difference]: Start difference. First operand 39 states and 40 transitions. Second operand 7 states. [2018-04-09 19:55:40,217 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-09 19:55:40,217 INFO L93 Difference]: Finished difference Result 39 states and 40 transitions. [2018-04-09 19:55:40,218 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-04-09 19:55:40,218 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 25 [2018-04-09 19:55:40,218 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-09 19:55:40,218 INFO L225 Difference]: With dead ends: 39 [2018-04-09 19:55:40,219 INFO L226 Difference]: Without dead ends: 38 [2018-04-09 19:55:40,219 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2018-04-09 19:55:40,219 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38 states. [2018-04-09 19:55:40,221 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38 to 38. [2018-04-09 19:55:40,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 38 states. [2018-04-09 19:55:40,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 39 transitions. [2018-04-09 19:55:40,222 INFO L78 Accepts]: Start accepts. Automaton has 38 states and 39 transitions. Word has length 25 [2018-04-09 19:55:40,223 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-09 19:55:40,223 INFO L459 AbstractCegarLoop]: Abstraction has 38 states and 39 transitions. [2018-04-09 19:55:40,223 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-04-09 19:55:40,223 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 39 transitions. [2018-04-09 19:55:40,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-04-09 19:55:40,223 INFO L347 BasicCegarLoop]: Found error trace [2018-04-09 19:55:40,223 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] [2018-04-09 19:55:40,224 INFO L408 AbstractCegarLoop]: === Iteration 6 === [cstrlenErr1RequiresViolation, cstrlenErr0RequiresViolation, mainErr1RequiresViolation, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-09 19:55:40,224 INFO L82 PathProgramCache]: Analyzing trace with hash 2040270874, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-09 19:55:40,229 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-09 19:55:40,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-09 19:55:40,244 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-09 19:55:40,253 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 [2018-04-09 19:55:40,257 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 [2018-04-09 19:55:40,257 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-09 19:55:40,258 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-09 19:55:40,263 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. [2018-04-09 19:55:40,264 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:25, output treesize:21 [2018-04-09 19:55:40,316 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 [2018-04-09 19:55:40,332 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 [2018-04-09 19:55:40,333 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 2 xjuncts. [2018-04-09 19:55:40,337 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-09 19:55:40,349 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2018-04-09 19:55:40,349 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:34, output treesize:33 [2018-04-09 19:55:40,423 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-09 19:55:40,424 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-09 19:55:40,589 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 [2018-04-09 19:55:40,590 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-09 19:55:40,598 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 13 treesize of output 11 [2018-04-09 19:55:40,608 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2018-04-09 19:55:40,609 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-04-09 19:55:40,610 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-09 19:55:40,616 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-09 19:55:40,617 INFO L202 ElimStorePlain]: Needed 4 recursive calls to eliminate 5 variables, input treesize:35, output treesize:7 [2018-04-09 19:55:40,624 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-09 19:55:40,645 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-09 19:55:40,646 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 18 [2018-04-09 19:55:40,646 INFO L442 AbstractCegarLoop]: Interpolant automaton has 19 states [2018-04-09 19:55:40,646 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2018-04-09 19:55:40,646 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=292, Unknown=0, NotChecked=0, Total=342 [2018-04-09 19:55:40,647 INFO L87 Difference]: Start difference. First operand 38 states and 39 transitions. Second operand 19 states. [2018-04-09 19:55:41,713 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-09 19:55:41,713 INFO L93 Difference]: Finished difference Result 58 states and 61 transitions. [2018-04-09 19:55:41,713 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-04-09 19:55:41,713 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 25 [2018-04-09 19:55:41,714 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-09 19:55:41,716 INFO L225 Difference]: With dead ends: 58 [2018-04-09 19:55:41,716 INFO L226 Difference]: Without dead ends: 57 [2018-04-09 19:55:41,717 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 31 SyntacticMatches, 1 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 98 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=195, Invalid=735, Unknown=0, NotChecked=0, Total=930 [2018-04-09 19:55:41,717 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2018-04-09 19:55:41,721 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 45. [2018-04-09 19:55:41,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 45 states. [2018-04-09 19:55:41,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 47 transitions. [2018-04-09 19:55:41,723 INFO L78 Accepts]: Start accepts. Automaton has 45 states and 47 transitions. Word has length 25 [2018-04-09 19:55:41,723 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-09 19:55:41,723 INFO L459 AbstractCegarLoop]: Abstraction has 45 states and 47 transitions. [2018-04-09 19:55:41,723 INFO L460 AbstractCegarLoop]: Interpolant automaton has 19 states. [2018-04-09 19:55:41,724 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 47 transitions. [2018-04-09 19:55:41,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-04-09 19:55:41,724 INFO L347 BasicCegarLoop]: Found error trace [2018-04-09 19:55:41,725 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] [2018-04-09 19:55:41,725 INFO L408 AbstractCegarLoop]: === Iteration 7 === [cstrlenErr1RequiresViolation, cstrlenErr0RequiresViolation, mainErr1RequiresViolation, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-09 19:55:41,725 INFO L82 PathProgramCache]: Analyzing trace with hash 1261381256, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-09 19:55:41,731 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-09 19:55:41,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-09 19:55:41,746 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-09 19:55:41,756 INFO L700 Elim1Store]: detected not equals via solver [2018-04-09 19:55:41,757 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 5 [2018-04-09 19:55:41,757 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-09 19:55:41,758 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-09 19:55:41,758 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:12, output treesize:5 [2018-04-09 19:55:41,778 WARN L1033 $PredicateComparison]: unable to prove that (exists ((|main_#t~malloc5.base| Int)) (and (= |c_#valid| (store |c_old(#valid)| |main_#t~malloc5.base| 0)) (= 0 (select |c_old(#valid)| |main_#t~malloc5.base|)))) is different from true [2018-04-09 19:55:41,782 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-09 19:55:41,782 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-09 19:55:41,792 WARN L1011 $PredicateComparison]: unable to prove that (forall ((|v_main_#t~malloc5.base_10| Int)) (or (not (= 0 (select |c_#valid| |v_main_#t~malloc5.base_10|))) (= (store |c_#valid| |v_main_#t~malloc5.base_10| 0) |c_old(#valid)|))) is different from false [2018-04-09 19:55:41,800 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-09 19:55:41,832 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-04-09 19:55:41,832 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5, 4] imperfect sequences [] total 7 [2018-04-09 19:55:41,833 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-04-09 19:55:41,833 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-04-09 19:55:41,833 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=21, Unknown=2, NotChecked=18, Total=56 [2018-04-09 19:55:41,833 INFO L87 Difference]: Start difference. First operand 45 states and 47 transitions. Second operand 8 states. [2018-04-09 19:55:41,843 WARN L1011 $PredicateComparison]: unable to prove that (and (= |c_#valid| |c_old(#valid)|) (forall ((|v_main_#t~malloc5.base_10| Int)) (or (not (= 0 (select |c_#valid| |v_main_#t~malloc5.base_10|))) (= (store |c_#valid| |v_main_#t~malloc5.base_10| 0) |c_old(#valid)|)))) is different from false [2018-04-09 19:55:41,905 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-09 19:55:41,906 INFO L93 Difference]: Finished difference Result 56 states and 58 transitions. [2018-04-09 19:55:41,906 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-04-09 19:55:41,906 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 29 [2018-04-09 19:55:41,906 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-09 19:55:41,908 INFO L225 Difference]: With dead ends: 56 [2018-04-09 19:55:41,908 INFO L226 Difference]: Without dead ends: 49 [2018-04-09 19:55:41,909 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 51 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 3 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=29, Invalid=52, Unknown=3, NotChecked=48, Total=132 [2018-04-09 19:55:41,909 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2018-04-09 19:55:41,919 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 49. [2018-04-09 19:55:41,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 49 states. [2018-04-09 19:55:41,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 51 transitions. [2018-04-09 19:55:41,921 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 51 transitions. Word has length 29 [2018-04-09 19:55:41,921 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-09 19:55:41,921 INFO L459 AbstractCegarLoop]: Abstraction has 49 states and 51 transitions. [2018-04-09 19:55:41,921 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-04-09 19:55:41,921 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 51 transitions. [2018-04-09 19:55:41,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-04-09 19:55:41,922 INFO L347 BasicCegarLoop]: Found error trace [2018-04-09 19:55:41,923 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-09 19:55:41,923 INFO L408 AbstractCegarLoop]: === Iteration 8 === [cstrlenErr1RequiresViolation, cstrlenErr0RequiresViolation, mainErr1RequiresViolation, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-09 19:55:41,923 INFO L82 PathProgramCache]: Analyzing trace with hash 1817018028, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-09 19:55:41,936 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-09 19:55:41,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-09 19:55:41,952 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-09 19:55:41,970 INFO L700 Elim1Store]: detected not equals via solver [2018-04-09 19:55:41,971 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 5 [2018-04-09 19:55:41,971 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-09 19:55:41,973 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-09 19:55:41,973 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:12, output treesize:5 [2018-04-09 19:55:41,988 WARN L1033 $PredicateComparison]: unable to prove that (exists ((|main_#t~malloc5.base| Int)) (and (= |c_#valid| (store |c_old(#valid)| |main_#t~malloc5.base| 0)) (= 0 (select |c_old(#valid)| |main_#t~malloc5.base|)))) is different from true [2018-04-09 19:55:41,990 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-09 19:55:41,990 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-09 19:55:42,007 WARN L1011 $PredicateComparison]: unable to prove that (forall ((|v_main_#t~malloc5.base_12| Int)) (or (not (= (select |c_#valid| |v_main_#t~malloc5.base_12|) 0)) (= |c_old(#valid)| (store |c_#valid| |v_main_#t~malloc5.base_12| 0)))) is different from false [2018-04-09 19:55:42,032 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-09 19:55:42,067 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-04-09 19:55:42,067 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5, 4] imperfect sequences [] total 7 [2018-04-09 19:55:42,068 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-04-09 19:55:42,068 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-04-09 19:55:42,068 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=21, Unknown=2, NotChecked=18, Total=56 [2018-04-09 19:55:42,069 INFO L87 Difference]: Start difference. First operand 49 states and 51 transitions. Second operand 8 states. [2018-04-09 19:55:42,075 WARN L1011 $PredicateComparison]: unable to prove that (and (forall ((|v_main_#t~malloc5.base_12| Int)) (or (not (= (select |c_#valid| |v_main_#t~malloc5.base_12|) 0)) (= |c_old(#valid)| (store |c_#valid| |v_main_#t~malloc5.base_12| 0)))) (= |c_#valid| |c_old(#valid)|)) is different from false [2018-04-09 19:55:42,141 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-09 19:55:42,141 INFO L93 Difference]: Finished difference Result 49 states and 51 transitions. [2018-04-09 19:55:42,141 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-04-09 19:55:42,142 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 30 [2018-04-09 19:55:42,142 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-09 19:55:42,142 INFO L225 Difference]: With dead ends: 49 [2018-04-09 19:55:42,143 INFO L226 Difference]: Without dead ends: 38 [2018-04-09 19:55:42,143 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 53 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 3 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=29, Invalid=52, Unknown=3, NotChecked=48, Total=132 [2018-04-09 19:55:42,143 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38 states. [2018-04-09 19:55:42,149 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38 to 34. [2018-04-09 19:55:42,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 34 states. [2018-04-09 19:55:42,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 35 transitions. [2018-04-09 19:55:42,151 INFO L78 Accepts]: Start accepts. Automaton has 34 states and 35 transitions. Word has length 30 [2018-04-09 19:55:42,151 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-09 19:55:42,151 INFO L459 AbstractCegarLoop]: Abstraction has 34 states and 35 transitions. [2018-04-09 19:55:42,151 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-04-09 19:55:42,151 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 35 transitions. [2018-04-09 19:55:42,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-04-09 19:55:42,152 INFO L347 BasicCegarLoop]: Found error trace [2018-04-09 19:55:42,152 INFO L355 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-09 19:55:42,152 INFO L408 AbstractCegarLoop]: === Iteration 9 === [cstrlenErr1RequiresViolation, cstrlenErr0RequiresViolation, mainErr1RequiresViolation, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-09 19:55:42,152 INFO L82 PathProgramCache]: Analyzing trace with hash 745691835, now seen corresponding path program 2 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-09 19:55:42,161 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-09 19:55:42,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-09 19:55:42,178 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-09 19:55:42,186 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 6 treesize of output 5 [2018-04-09 19:55:42,187 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-09 19:55:42,194 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-09 19:55:42,195 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2018-04-09 19:55:42,213 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 15 treesize of output 12 [2018-04-09 19:55:42,215 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2018-04-09 19:55:42,215 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-09 19:55:42,217 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-09 19:55:42,218 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-09 19:55:42,218 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:15, output treesize:11 [2018-04-09 19:55:42,278 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 [2018-04-09 19:55:42,294 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 [2018-04-09 19:55:42,295 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 2 xjuncts. [2018-04-09 19:55:42,298 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-09 19:55:42,303 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2018-04-09 19:55:42,303 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:29, output treesize:34 [2018-04-09 19:55:42,369 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 2 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-09 19:55:42,370 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-09 19:55:42,743 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 13 treesize of output 11 [2018-04-09 19:55:42,753 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2018-04-09 19:55:42,754 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-09 19:55:42,755 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-09 19:55:42,761 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2018-04-09 19:55:42,761 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:31, output treesize:35 [2018-04-09 19:55:42,838 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-09 19:55:42,860 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-09 19:55:42,860 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 14] total 27 [2018-04-09 19:55:42,860 INFO L442 AbstractCegarLoop]: Interpolant automaton has 28 states [2018-04-09 19:55:42,860 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2018-04-09 19:55:42,861 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=80, Invalid=676, Unknown=0, NotChecked=0, Total=756 [2018-04-09 19:55:42,861 INFO L87 Difference]: Start difference. First operand 34 states and 35 transitions. Second operand 28 states. [2018-04-09 19:55:43,480 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-09 19:55:43,481 INFO L93 Difference]: Finished difference Result 38 states and 39 transitions. [2018-04-09 19:55:43,481 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2018-04-09 19:55:43,481 INFO L78 Accepts]: Start accepts. Automaton has 28 states. Word has length 32 [2018-04-09 19:55:43,481 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-09 19:55:43,481 INFO L225 Difference]: With dead ends: 38 [2018-04-09 19:55:43,481 INFO L226 Difference]: Without dead ends: 0 [2018-04-09 19:55:43,482 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 219 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=394, Invalid=1586, Unknown=0, NotChecked=0, Total=1980 [2018-04-09 19:55:43,483 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-04-09 19:55:43,483 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-04-09 19:55:43,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-04-09 19:55:43,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-04-09 19:55:43,483 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 32 [2018-04-09 19:55:43,483 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-09 19:55:43,483 INFO L459 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-04-09 19:55:43,483 INFO L460 AbstractCegarLoop]: Interpolant automaton has 28 states. [2018-04-09 19:55:43,483 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-04-09 19:55:43,484 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-04-09 19:55:43,487 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-04-09 19:55:43,717 WARN L151 SmtUtils]: Spent 124ms on a formula simplification. DAG size of input: 55 DAG size of output 1 [2018-04-09 19:55:44,301 WARN L151 SmtUtils]: Spent 576ms on a formula simplification. DAG size of input: 54 DAG size of output 31 [2018-04-09 19:55:44,426 WARN L151 SmtUtils]: Spent 122ms on a formula simplification. DAG size of input: 99 DAG size of output 48 [2018-04-09 19:55:44,429 INFO L416 ceAbstractionStarter]: For program point L-1(line -1) no Hoare annotation was computed. [2018-04-09 19:55:44,429 INFO L416 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-04-09 19:55:44,429 INFO L412 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-04-09 19:55:44,429 INFO L416 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-04-09 19:55:44,429 INFO L416 ceAbstractionStarter]: For program point L59(line 59) no Hoare annotation was computed. [2018-04-09 19:55:44,429 INFO L416 ceAbstractionStarter]: For program point L59'(line 59) no Hoare annotation was computed. [2018-04-09 19:55:44,429 INFO L416 ceAbstractionStarter]: For program point __U_MULTI_fcstrlen_alloca_true_valid_memsafety_true_termination_i____bswap_32ENTRY(lines 56 60) no Hoare annotation was computed. [2018-04-09 19:55:44,429 INFO L416 ceAbstractionStarter]: For program point __U_MULTI_fcstrlen_alloca_true_valid_memsafety_true_termination_i____bswap_32FINAL(lines 56 60) no Hoare annotation was computed. [2018-04-09 19:55:44,429 INFO L416 ceAbstractionStarter]: For program point __U_MULTI_fcstrlen_alloca_true_valid_memsafety_true_termination_i____bswap_32EXIT(lines 56 60) no Hoare annotation was computed. [2018-04-09 19:55:44,430 INFO L416 ceAbstractionStarter]: For program point __U_MULTI_fcstrlen_alloca_true_valid_memsafety_true_termination_i____bswap_64ENTRY(lines 61 65) no Hoare annotation was computed. [2018-04-09 19:55:44,430 INFO L416 ceAbstractionStarter]: For program point __U_MULTI_fcstrlen_alloca_true_valid_memsafety_true_termination_i____bswap_64EXIT(lines 61 65) no Hoare annotation was computed. [2018-04-09 19:55:44,430 INFO L416 ceAbstractionStarter]: For program point __U_MULTI_fcstrlen_alloca_true_valid_memsafety_true_termination_i____bswap_64FINAL(lines 61 65) no Hoare annotation was computed. [2018-04-09 19:55:44,430 INFO L416 ceAbstractionStarter]: For program point L64(line 64) no Hoare annotation was computed. [2018-04-09 19:55:44,430 INFO L416 ceAbstractionStarter]: For program point L64'(line 64) no Hoare annotation was computed. [2018-04-09 19:55:44,430 INFO L419 ceAbstractionStarter]: At program point cstrlenENTRY(lines 540 546) the Hoare annotation is: true [2018-04-09 19:55:44,430 INFO L416 ceAbstractionStarter]: For program point cstrlenErr1RequiresViolation(line 543) no Hoare annotation was computed. [2018-04-09 19:55:44,430 INFO L416 ceAbstractionStarter]: For program point L542(line 542) no Hoare annotation was computed. [2018-04-09 19:55:44,430 INFO L416 ceAbstractionStarter]: For program point cstrlenEXIT(lines 540 546) no Hoare annotation was computed. [2018-04-09 19:55:44,430 INFO L416 ceAbstractionStarter]: For program point L543''''(line 543) no Hoare annotation was computed. [2018-04-09 19:55:44,430 INFO L416 ceAbstractionStarter]: For program point L544(line 544) no Hoare annotation was computed. [2018-04-09 19:55:44,430 INFO L416 ceAbstractionStarter]: For program point L543(lines 543 544) no Hoare annotation was computed. [2018-04-09 19:55:44,430 INFO L412 ceAbstractionStarter]: At program point L543'''''(lines 543 544) the Hoare annotation is: (let ((.cse0 (select |#length| |cstrlen_#in~s.base|))) (or (< .cse0 (+ |cstrlen_#in~s.offset| 1)) (< |cstrlen_#in~s.offset| 0) (let ((.cse1 (select |#length| cstrlen_~s.base)) (.cse2 (select |#length| cstrlen_~p~0.base))) (and (= (select (select |#memory_int| cstrlen_~s.base) (+ .cse1 (- 1))) 0) (= (select |#valid| cstrlen_~s.base) 1) (<= (+ cstrlen_~s.offset 1) .cse1) (<= 0 cstrlen_~s.offset) (= 1 (select |#valid| cstrlen_~p~0.base)) (<= 0 cstrlen_~p~0.offset) (<= (+ cstrlen_~p~0.offset 1) .cse2) (= (select (select |#memory_int| cstrlen_~p~0.base) (+ .cse2 (- 1))) 0))) (not (= (select |#valid| |cstrlen_#in~s.base|) 1)) (not (= (select (select |#memory_int| |cstrlen_#in~s.base|) (+ .cse0 (- 1))) 0)))) [2018-04-09 19:55:44,430 INFO L416 ceAbstractionStarter]: For program point cstrlenErr0RequiresViolation(line 543) no Hoare annotation was computed. [2018-04-09 19:55:44,431 INFO L416 ceAbstractionStarter]: For program point L543''''''(lines 543 544) no Hoare annotation was computed. [2018-04-09 19:55:44,431 INFO L416 ceAbstractionStarter]: For program point L543'(lines 543 544) no Hoare annotation was computed. [2018-04-09 19:55:44,431 INFO L416 ceAbstractionStarter]: For program point L544'(line 544) no Hoare annotation was computed. [2018-04-09 19:55:44,431 INFO L416 ceAbstractionStarter]: For program point cstrlenFINAL(lines 540 546) no Hoare annotation was computed. [2018-04-09 19:55:44,431 INFO L416 ceAbstractionStarter]: For program point L544''(line 544) no Hoare annotation was computed. [2018-04-09 19:55:44,431 INFO L416 ceAbstractionStarter]: For program point L543''(line 543) no Hoare annotation was computed. [2018-04-09 19:55:44,431 INFO L419 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-04-09 19:55:44,431 INFO L419 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-04-09 19:55:44,431 INFO L416 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-04-09 19:55:44,431 INFO L416 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-04-09 19:55:44,431 INFO L416 ceAbstractionStarter]: For program point mainErr1RequiresViolation(line 553) no Hoare annotation was computed. [2018-04-09 19:55:44,431 INFO L416 ceAbstractionStarter]: For program point L553(line 553) no Hoare annotation was computed. [2018-04-09 19:55:44,431 INFO L416 ceAbstractionStarter]: For program point L552(line 552) no Hoare annotation was computed. [2018-04-09 19:55:44,431 INFO L416 ceAbstractionStarter]: For program point L552'(line 552) no Hoare annotation was computed. [2018-04-09 19:55:44,431 INFO L416 ceAbstractionStarter]: For program point L550(line 550) no Hoare annotation was computed. [2018-04-09 19:55:44,432 INFO L412 ceAbstractionStarter]: At program point L553'(line 553) the Hoare annotation is: (let ((.cse0 (select |#length| main_~nondetString1~0.base))) (and (= 0 |main_#t~malloc5.offset|) (= 0 main_~nondetString1~0.offset) (= .cse0 main_~length1~0) (<= 1 main_~length1~0) (= 0 (select |old(#valid)| |main_#t~malloc5.base|)) (= 1 (select |#valid| main_~nondetString1~0.base)) (= (select |#length| |main_#t~malloc5.base|) main_~length1~0) (= |#valid| (store |old(#valid)| |main_#t~malloc5.base| 1)) (= 0 (select (select |#memory_int| main_~nondetString1~0.base) (+ .cse0 (- 1)))))) [2018-04-09 19:55:44,432 INFO L416 ceAbstractionStarter]: For program point mainFINAL(lines 547 555) no Hoare annotation was computed. [2018-04-09 19:55:44,432 INFO L416 ceAbstractionStarter]: For program point mainErr2EnsuresViolationMEMORY_LEAK(lines 547 555) no Hoare annotation was computed. [2018-04-09 19:55:44,432 INFO L416 ceAbstractionStarter]: For program point L554(line 554) no Hoare annotation was computed. [2018-04-09 19:55:44,432 INFO L416 ceAbstractionStarter]: For program point L549(lines 549 551) no Hoare annotation was computed. [2018-04-09 19:55:44,432 INFO L416 ceAbstractionStarter]: For program point mainErr0RequiresViolation(line 553) no Hoare annotation was computed. [2018-04-09 19:55:44,432 INFO L416 ceAbstractionStarter]: For program point L548(line 548) no Hoare annotation was computed. [2018-04-09 19:55:44,432 INFO L416 ceAbstractionStarter]: For program point mainEXIT(lines 547 555) no Hoare annotation was computed. [2018-04-09 19:55:44,432 INFO L412 ceAbstractionStarter]: At program point mainENTRY(lines 547 555) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-04-09 19:55:44,432 INFO L416 ceAbstractionStarter]: For program point L552''(line 552) no Hoare annotation was computed. [2018-04-09 19:55:44,432 INFO L416 ceAbstractionStarter]: For program point L554'(line 554) no Hoare annotation was computed. [2018-04-09 19:55:44,432 INFO L416 ceAbstractionStarter]: For program point L554''(line 554) no Hoare annotation was computed. [2018-04-09 19:55:44,432 INFO L416 ceAbstractionStarter]: For program point L548'(line 548) no Hoare annotation was computed. [2018-04-09 19:55:44,433 INFO L416 ceAbstractionStarter]: For program point L549''(lines 549 551) no Hoare annotation was computed. [2018-04-09 19:55:44,438 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-04-09 19:55:44,439 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-04-09 19:55:44,440 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-04-09 19:55:44,440 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-04-09 19:55:44,440 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-04-09 19:55:44,440 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-04-09 19:55:44,441 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-04-09 19:55:44,441 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-04-09 19:55:44,441 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-04-09 19:55:44,445 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-04-09 19:55:44,445 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-04-09 19:55:44,446 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-04-09 19:55:44,446 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-04-09 19:55:44,446 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-04-09 19:55:44,446 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-04-09 19:55:44,446 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-04-09 19:55:44,447 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-04-09 19:55:44,447 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-04-09 19:55:44,450 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.04 07:55:44 BoogieIcfgContainer [2018-04-09 19:55:44,450 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-04-09 19:55:44,451 INFO L168 Benchmark]: Toolchain (without parser) took 6651.55 ms. Allocated memory was 300.4 MB in the beginning and 551.0 MB in the end (delta: 250.6 MB). Free memory was 237.4 MB in the beginning and 472.9 MB in the end (delta: -235.5 MB). Peak memory consumption was 15.1 MB. Max. memory is 5.3 GB. [2018-04-09 19:55:44,452 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 300.4 MB. Free memory is still 262.7 MB. There was no memory consumed. Max. memory is 5.3 GB. [2018-04-09 19:55:44,453 INFO L168 Benchmark]: CACSL2BoogieTranslator took 316.77 ms. Allocated memory is still 300.4 MB. Free memory was 237.4 MB in the beginning and 214.2 MB in the end (delta: 23.1 MB). Peak memory consumption was 23.1 MB. Max. memory is 5.3 GB. [2018-04-09 19:55:44,453 INFO L168 Benchmark]: Boogie Preprocessor took 54.58 ms. Allocated memory is still 300.4 MB. Free memory was 214.2 MB in the beginning and 211.3 MB in the end (delta: 3.0 MB). Peak memory consumption was 3.0 MB. Max. memory is 5.3 GB. [2018-04-09 19:55:44,454 INFO L168 Benchmark]: RCFGBuilder took 469.39 ms. Allocated memory was 300.4 MB in the beginning and 455.6 MB in the end (delta: 155.2 MB). Free memory was 211.3 MB in the beginning and 396.5 MB in the end (delta: -185.2 MB). Peak memory consumption was 22.2 MB. Max. memory is 5.3 GB. [2018-04-09 19:55:44,454 INFO L168 Benchmark]: TraceAbstraction took 5806.22 ms. Allocated memory was 455.6 MB in the beginning and 551.0 MB in the end (delta: 95.4 MB). Free memory was 396.5 MB in the beginning and 472.9 MB in the end (delta: -76.5 MB). Peak memory consumption was 19.0 MB. Max. memory is 5.3 GB. [2018-04-09 19:55:44,457 INFO L344 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 300.4 MB. Free memory is still 262.7 MB. There was no memory consumed. Max. memory is 5.3 GB. * CACSL2BoogieTranslator took 316.77 ms. Allocated memory is still 300.4 MB. Free memory was 237.4 MB in the beginning and 214.2 MB in the end (delta: 23.1 MB). Peak memory consumption was 23.1 MB. Max. memory is 5.3 GB. * Boogie Preprocessor took 54.58 ms. Allocated memory is still 300.4 MB. Free memory was 214.2 MB in the beginning and 211.3 MB in the end (delta: 3.0 MB). Peak memory consumption was 3.0 MB. Max. memory is 5.3 GB. * RCFGBuilder took 469.39 ms. Allocated memory was 300.4 MB in the beginning and 455.6 MB in the end (delta: 155.2 MB). Free memory was 211.3 MB in the beginning and 396.5 MB in the end (delta: -185.2 MB). Peak memory consumption was 22.2 MB. Max. memory is 5.3 GB. * TraceAbstraction took 5806.22 ms. Allocated memory was 455.6 MB in the beginning and 551.0 MB in the end (delta: 95.4 MB). Free memory was 396.5 MB in the beginning and 472.9 MB in the end (delta: -76.5 MB). Peak memory consumption was 19.0 MB. Max. memory is 5.3 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #length * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 543]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 543]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 553]: 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: 553]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - AllSpecificationsHoldResult: All specifications hold 5 specifications checked. All of them hold - InvariantResult [Line: 543]: Loop Invariant [2018-04-09 19:55:44,463 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-04-09 19:55:44,464 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-04-09 19:55:44,464 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-04-09 19:55:44,464 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-04-09 19:55:44,464 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-04-09 19:55:44,465 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-04-09 19:55:44,465 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-04-09 19:55:44,465 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-04-09 19:55:44,465 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-04-09 19:55:44,467 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-04-09 19:55:44,467 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-04-09 19:55:44,467 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-04-09 19:55:44,468 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-04-09 19:55:44,468 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-04-09 19:55:44,468 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-04-09 19:55:44,468 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-04-09 19:55:44,468 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-04-09 19:55:44,468 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length Derived loop invariant: (((unknown-#length-unknown[s] < s + 1 || s < 0) || (((((((unknown-#memory_int-unknown[s][unknown-#length-unknown[s] + -1] == 0 && \valid[s] == 1) && s + 1 <= unknown-#length-unknown[s]) && 0 <= s) && 1 == \valid[p]) && 0 <= p) && p + 1 <= unknown-#length-unknown[p]) && unknown-#memory_int-unknown[p][unknown-#length-unknown[p] + -1] == 0)) || !(\valid[s] == 1)) || !(unknown-#memory_int-unknown[s][unknown-#length-unknown[s] + -1] == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 6 procedures, 52 locations, 5 error locations. SAFE Result, 5.7s OverallTime, 9 OverallIterations, 3 TraceHistogramMax, 2.4s AutomataDifference, 0.0s DeadEndRemovalTime, 0.9s HoareAnnotationTime, HoareTripleCheckerStatistics: 269 SDtfs, 417 SDslu, 1059 SDs, 0 SdLazy, 694 SolverSat, 55 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 448 GetRequests, 316 SyntacticMatches, 5 SemanticMatches, 127 ConstructedPredicates, 6 IntricatePredicates, 0 DeprecatedPredicates, 352 ImplicationChecksByTransitivity, 2.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=49occurred in iteration=7, 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, 9 MinimizatonAttempts, 17 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 7 PreInvPairs, 9 NumberOfFragments, 141 HoareAnnotationTreeSize, 7 FomulaSimplifications, 26 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 7 FomulaSimplificationsInter, 733 FormulaSimplificationTreeSizeReductionInter, 0.8s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 1.6s InterpolantComputationTime, 203 NumberOfCodeBlocks, 203 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 388 ConstructedInterpolants, 50 QuantifiedInterpolants, 66352 SizeOfPredicates, 60 NumberOfNonLiveVariables, 661 ConjunctsInSsa, 127 ConjunctsInUnsatCore, 18 InterpolantComputations, 14 PerfectInterpolantSequences, 6/30 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/cstrlen-alloca_true-valid-memsafety_true-termination.i_svcomp-DerefFreeMemtrack-32bit-Automizer_Fixed_noBitfields+AI_EQ_SS.epf_AutomizerC.xml/Csv-Benchmark-0-2018-04-09_19-55-44-474.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/cstrlen-alloca_true-valid-memsafety_true-termination.i_svcomp-DerefFreeMemtrack-32bit-Automizer_Fixed_noBitfields+AI_EQ_SS.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-0-2018-04-09_19-55-44-474.csv Received shutdown request...