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/openbsd_cstrncat-alloca_true-valid-memsafety_true-termination.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-4cf2d92 [2018-03-28 12:26:17,021 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-03-28 12:26:17,023 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-03-28 12:26:17,036 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-03-28 12:26:17,036 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-03-28 12:26:17,037 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-03-28 12:26:17,038 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-03-28 12:26:17,040 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-03-28 12:26:17,042 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-03-28 12:26:17,043 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-03-28 12:26:17,044 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-03-28 12:26:17,044 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-03-28 12:26:17,045 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-03-28 12:26:17,046 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-03-28 12:26:17,047 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-03-28 12:26:17,049 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-03-28 12:26:17,051 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-03-28 12:26:17,053 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-03-28 12:26:17,054 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-03-28 12:26:17,055 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-03-28 12:26:17,058 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2018-03-28 12:26:17,064 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 [2018-03-28 12:26:17,088 INFO L110 SettingsManager]: Loading preferences was successful [2018-03-28 12:26:17,089 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-03-28 12:26:17,089 INFO L131 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2018-03-28 12:26:17,089 INFO L133 SettingsManager]: * ultimate.logging.details=de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation=DEBUG; [2018-03-28 12:26:17,090 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-03-28 12:26:17,090 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-03-28 12:26:17,090 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-03-28 12:26:17,090 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=VPDomain [2018-03-28 12:26:17,090 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-03-28 12:26:17,091 INFO L131 SettingsManager]: Preferences of LTL2Aut differ from their defaults: [2018-03-28 12:26:17,091 INFO L133 SettingsManager]: * Property to check=[] a a: x > 42 [2018-03-28 12:26:17,091 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-03-28 12:26:17,091 INFO L133 SettingsManager]: * sizeof long=4 [2018-03-28 12:26:17,091 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-03-28 12:26:17,092 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-03-28 12:26:17,092 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-03-28 12:26:17,092 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-03-28 12:26:17,092 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-03-28 12:26:17,092 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2018-03-28 12:26:17,092 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-03-28 12:26:17,092 INFO L133 SettingsManager]: * sizeof long double=12 [2018-03-28 12:26:17,093 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-03-28 12:26:17,093 INFO L133 SettingsManager]: * Size of a code block=SingleStatement [2018-03-28 12:26:17,093 INFO L133 SettingsManager]: * Add additional assume for each assert=false [2018-03-28 12:26:17,093 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-03-28 12:26:17,094 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-03-28 12:26:17,094 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-03-28 12:26:17,094 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-03-28 12:26:17,094 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-03-28 12:26:17,094 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-03-28 12:26:17,094 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-03-28 12:26:17,094 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-03-28 12:26:17,095 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-03-28 12:26:17,095 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-03-28 12:26:17,096 INFO L133 SettingsManager]: * TransformationType=HEAP_SEPARATOR [2018-03-28 12:26:17,096 INFO L131 SettingsManager]: Preferences of Boogie Printer differ from their defaults: [2018-03-28 12:26:17,096 INFO L133 SettingsManager]: * Dump path:=C:\Users\alex\AppData\Local\Temp\ [2018-03-28 12:26:17,131 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-03-28 12:26:17,142 INFO L266 ainManager$Toolchain]: [Toolchain 1]: Parser(s) successfully (re)initialized [2018-03-28 12:26:17,145 INFO L222 ainManager$Toolchain]: [Toolchain 1]: Toolchain data selected. [2018-03-28 12:26:17,146 INFO L271 PluginConnector]: Initializing CDTParser... [2018-03-28 12:26:17,147 INFO L276 PluginConnector]: CDTParser initialized [2018-03-28 12:26:17,148 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/array-memsafety/openbsd_cstrncat-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:26:17,454 INFO L228 CDTParser]: Created temporary CDT project at /storage/ultimate/releaseScripts/default/UAutomizer-linux/data/FLAG229486a1f [2018-03-28 12:26:17,636 INFO L291 CDTParser]: IsIndexed: true [2018-03-28 12:26:17,636 INFO L292 CDTParser]: Found 1 translation units. [2018-03-28 12:26:17,636 INFO L171 CDTParser]: Scanning openbsd_cstrncat-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:26:17,647 INFO L210 ultiparseSymbolTable]: Include resolver: [2018-03-28 12:26:17,647 INFO L215 ultiparseSymbolTable]: [2018-03-28 12:26:17,648 INFO L218 ultiparseSymbolTable]: Function table: [2018-03-28 12:26:17,648 INFO L221 ultiparseSymbolTable]: Function definition of __U_MULTI_fopenbsd_cstrncat_alloca_true_valid_memsafety_true_termination_i____bswap_64 ('__bswap_64') in openbsd_cstrncat-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:26:17,648 INFO L221 ultiparseSymbolTable]: Function definition of __U_MULTI_fopenbsd_cstrncat_alloca_true_valid_memsafety_true_termination_i____bswap_32 ('__bswap_32') in openbsd_cstrncat-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:26:17,648 INFO L221 ultiparseSymbolTable]: Function definition of null ('main') in openbsd_cstrncat-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:26:17,648 INFO L221 ultiparseSymbolTable]: Function definition of __U_MULTI_fopenbsd_cstrncat_alloca_true_valid_memsafety_true_termination_i__cstrncat ('cstrncat') in openbsd_cstrncat-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:26:17,648 INFO L227 ultiparseSymbolTable]: Global variable table: [2018-03-28 12:26:17,648 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncat_alloca_true_valid_memsafety_true_termination_i__div_t in openbsd_cstrncat-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:26:17,648 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncat_alloca_true_valid_memsafety_true_termination_i____suseconds_t in openbsd_cstrncat-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:26:17,648 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncat_alloca_true_valid_memsafety_true_termination_i__fsblkcnt_t in openbsd_cstrncat-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:26:17,648 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncat_alloca_true_valid_memsafety_true_termination_i__time_t in openbsd_cstrncat-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:26:17,649 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncat_alloca_true_valid_memsafety_true_termination_i__mode_t in openbsd_cstrncat-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:26:17,649 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncat_alloca_true_valid_memsafety_true_termination_i__caddr_t in openbsd_cstrncat-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:26:17,649 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncat_alloca_true_valid_memsafety_true_termination_i__u_int in openbsd_cstrncat-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:26:17,649 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncat_alloca_true_valid_memsafety_true_termination_i____rlim64_t in openbsd_cstrncat-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:26:17,649 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncat_alloca_true_valid_memsafety_true_termination_i__uid_t in openbsd_cstrncat-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:26:17,649 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncat_alloca_true_valid_memsafety_true_termination_i____uint32_t in openbsd_cstrncat-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:26:17,649 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncat_alloca_true_valid_memsafety_true_termination_i__pthread_rwlock_t in openbsd_cstrncat-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:26:17,649 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncat_alloca_true_valid_memsafety_true_termination_i____id_t in openbsd_cstrncat-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:26:17,649 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncat_alloca_true_valid_memsafety_true_termination_i__size_t in openbsd_cstrncat-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:26:17,649 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncat_alloca_true_valid_memsafety_true_termination_i____syscall_ulong_t in openbsd_cstrncat-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:26:17,649 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncat_alloca_true_valid_memsafety_true_termination_i____int32_t in openbsd_cstrncat-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:26:17,649 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncat_alloca_true_valid_memsafety_true_termination_i____caddr_t in openbsd_cstrncat-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:26:17,649 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncat_alloca_true_valid_memsafety_true_termination_i____mode_t in openbsd_cstrncat-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:26:17,650 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncat_alloca_true_valid_memsafety_true_termination_i____ssize_t in openbsd_cstrncat-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:26:17,650 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncat_alloca_true_valid_memsafety_true_termination_i__blksize_t in openbsd_cstrncat-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:26:17,650 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncat_alloca_true_valid_memsafety_true_termination_i__key_t in openbsd_cstrncat-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:26:17,650 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncat_alloca_true_valid_memsafety_true_termination_i____dev_t in openbsd_cstrncat-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:26:17,650 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncat_alloca_true_valid_memsafety_true_termination_i__pid_t in openbsd_cstrncat-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:26:17,650 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncat_alloca_true_valid_memsafety_true_termination_i__int32_t in openbsd_cstrncat-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:26:17,650 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncat_alloca_true_valid_memsafety_true_termination_i____u_short in openbsd_cstrncat-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:26:17,650 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncat_alloca_true_valid_memsafety_true_termination_i__fsfilcnt_t in openbsd_cstrncat-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:26:17,650 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncat_alloca_true_valid_memsafety_true_termination_i__fd_set in openbsd_cstrncat-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:26:17,650 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncat_alloca_true_valid_memsafety_true_termination_i__gid_t in openbsd_cstrncat-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:26:17,650 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncat_alloca_true_valid_memsafety_true_termination_i____blkcnt64_t in openbsd_cstrncat-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:26:17,650 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncat_alloca_true_valid_memsafety_true_termination_i__ulong in openbsd_cstrncat-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:26:17,650 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncat_alloca_true_valid_memsafety_true_termination_i____int8_t in openbsd_cstrncat-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:26:17,651 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncat_alloca_true_valid_memsafety_true_termination_i__register_t in openbsd_cstrncat-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:26:17,651 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncat_alloca_true_valid_memsafety_true_termination_i__sigset_t in openbsd_cstrncat-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:26:17,651 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncat_alloca_true_valid_memsafety_true_termination_i__pthread_barrierattr_t in openbsd_cstrncat-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:26:17,651 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncat_alloca_true_valid_memsafety_true_termination_i__daddr_t in openbsd_cstrncat-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:26:17,651 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncat_alloca_true_valid_memsafety_true_termination_i____uint16_t in openbsd_cstrncat-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:26:17,651 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncat_alloca_true_valid_memsafety_true_termination_i__pthread_key_t in openbsd_cstrncat-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:26:17,651 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncat_alloca_true_valid_memsafety_true_termination_i____time_t in openbsd_cstrncat-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:26:17,651 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncat_alloca_true_valid_memsafety_true_termination_i__int8_t in openbsd_cstrncat-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:26:17,651 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncat_alloca_true_valid_memsafety_true_termination_i____WAIT_STATUS in openbsd_cstrncat-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:26:17,651 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncat_alloca_true_valid_memsafety_true_termination_i____qaddr_t in openbsd_cstrncat-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:26:17,651 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncat_alloca_true_valid_memsafety_true_termination_i____blksize_t in openbsd_cstrncat-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:26:17,651 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncat_alloca_true_valid_memsafety_true_termination_i____syscall_slong_t in openbsd_cstrncat-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:26:17,651 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncat_alloca_true_valid_memsafety_true_termination_i____fsblkcnt_t in openbsd_cstrncat-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:26:17,652 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncat_alloca_true_valid_memsafety_true_termination_i____fsfilcnt_t in openbsd_cstrncat-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:26:17,652 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncat_alloca_true_valid_memsafety_true_termination_i__ino_t in openbsd_cstrncat-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:26:17,652 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncat_alloca_true_valid_memsafety_true_termination_i____useconds_t in openbsd_cstrncat-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:26:17,652 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncat_alloca_true_valid_memsafety_true_termination_i__loff_t in openbsd_cstrncat-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:26:17,652 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncat_alloca_true_valid_memsafety_true_termination_i____fsfilcnt64_t in openbsd_cstrncat-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:26:17,652 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncat_alloca_true_valid_memsafety_true_termination_i__pthread_mutex_t in openbsd_cstrncat-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:26:17,652 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncat_alloca_true_valid_memsafety_true_termination_i__u_int64_t in openbsd_cstrncat-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:26:17,652 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncat_alloca_true_valid_memsafety_true_termination_i__ldiv_t in openbsd_cstrncat-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:26:17,652 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncat_alloca_true_valid_memsafety_true_termination_i__ushort in openbsd_cstrncat-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:26:17,652 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncat_alloca_true_valid_memsafety_true_termination_i__u_quad_t in openbsd_cstrncat-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:26:17,652 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncat_alloca_true_valid_memsafety_true_termination_i____int64_t in openbsd_cstrncat-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:26:17,652 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncat_alloca_true_valid_memsafety_true_termination_i____key_t in openbsd_cstrncat-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:26:17,652 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncat_alloca_true_valid_memsafety_true_termination_i____uint8_t in openbsd_cstrncat-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:26:17,653 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncat_alloca_true_valid_memsafety_true_termination_i__clockid_t in openbsd_cstrncat-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:26:17,653 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncat_alloca_true_valid_memsafety_true_termination_i____clockid_t in openbsd_cstrncat-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:26:17,653 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncat_alloca_true_valid_memsafety_true_termination_i__pthread_spinlock_t in openbsd_cstrncat-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:26:17,653 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncat_alloca_true_valid_memsafety_true_termination_i____daddr_t in openbsd_cstrncat-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:26:17,653 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncat_alloca_true_valid_memsafety_true_termination_i__pthread_cond_t in openbsd_cstrncat-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:26:17,653 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncat_alloca_true_valid_memsafety_true_termination_i__int64_t in openbsd_cstrncat-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:26:17,653 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncat_alloca_true_valid_memsafety_true_termination_i__id_t in openbsd_cstrncat-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:26:17,653 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncat_alloca_true_valid_memsafety_true_termination_i__pthread_condattr_t in openbsd_cstrncat-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:26:17,654 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncat_alloca_true_valid_memsafety_true_termination_i____loff_t in openbsd_cstrncat-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:26:17,654 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncat_alloca_true_valid_memsafety_true_termination_i__quad_t in openbsd_cstrncat-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:26:17,654 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncat_alloca_true_valid_memsafety_true_termination_i____u_int in openbsd_cstrncat-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:26:17,654 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncat_alloca_true_valid_memsafety_true_termination_i__u_int16_t in openbsd_cstrncat-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:26:17,654 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncat_alloca_true_valid_memsafety_true_termination_i____fd_mask in openbsd_cstrncat-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:26:17,654 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncat_alloca_true_valid_memsafety_true_termination_i__fsid_t in openbsd_cstrncat-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:26:17,654 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncat_alloca_true_valid_memsafety_true_termination_i__dev_t in openbsd_cstrncat-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:26:17,654 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncat_alloca_true_valid_memsafety_true_termination_i__u_int8_t in openbsd_cstrncat-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:26:17,654 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncat_alloca_true_valid_memsafety_true_termination_i____clock_t in openbsd_cstrncat-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:26:17,655 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncat_alloca_true_valid_memsafety_true_termination_i____blkcnt_t in openbsd_cstrncat-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:26:17,655 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncat_alloca_true_valid_memsafety_true_termination_i__pthread_t in openbsd_cstrncat-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:26:17,655 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncat_alloca_true_valid_memsafety_true_termination_i____sig_atomic_t in openbsd_cstrncat-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:26:17,655 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncat_alloca_true_valid_memsafety_true_termination_i__u_long in openbsd_cstrncat-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:26:17,655 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncat_alloca_true_valid_memsafety_true_termination_i____ino64_t in openbsd_cstrncat-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:26:17,655 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncat_alloca_true_valid_memsafety_true_termination_i____ino_t in openbsd_cstrncat-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:26:17,655 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncat_alloca_true_valid_memsafety_true_termination_i__suseconds_t in openbsd_cstrncat-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:26:17,655 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncat_alloca_true_valid_memsafety_true_termination_i__uint in openbsd_cstrncat-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:26:17,655 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncat_alloca_true_valid_memsafety_true_termination_i____sigset_t in openbsd_cstrncat-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:26:17,656 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncat_alloca_true_valid_memsafety_true_termination_i__clock_t in openbsd_cstrncat-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:26:17,656 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncat_alloca_true_valid_memsafety_true_termination_i__fd_mask in openbsd_cstrncat-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:26:17,656 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncat_alloca_true_valid_memsafety_true_termination_i____uint64_t in openbsd_cstrncat-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:26:17,656 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncat_alloca_true_valid_memsafety_true_termination_i____off_t in openbsd_cstrncat-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:26:17,656 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncat_alloca_true_valid_memsafety_true_termination_i____fsid_t in openbsd_cstrncat-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:26:17,656 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncat_alloca_true_valid_memsafety_true_termination_i__nlink_t in openbsd_cstrncat-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:26:17,656 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncat_alloca_true_valid_memsafety_true_termination_i__pthread_rwlockattr_t in openbsd_cstrncat-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:26:17,656 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncat_alloca_true_valid_memsafety_true_termination_i____fsword_t in openbsd_cstrncat-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:26:17,656 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncat_alloca_true_valid_memsafety_true_termination_i____uid_t in openbsd_cstrncat-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:26:17,657 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncat_alloca_true_valid_memsafety_true_termination_i__ssize_t in openbsd_cstrncat-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:26:17,657 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncat_alloca_true_valid_memsafety_true_termination_i____u_long in openbsd_cstrncat-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:26:17,657 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncat_alloca_true_valid_memsafety_true_termination_i____int16_t in openbsd_cstrncat-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:26:17,657 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncat_alloca_true_valid_memsafety_true_termination_i__u_short in openbsd_cstrncat-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:26:17,657 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncat_alloca_true_valid_memsafety_true_termination_i__u_char in openbsd_cstrncat-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:26:17,657 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncat_alloca_true_valid_memsafety_true_termination_i__off_t in openbsd_cstrncat-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:26:17,657 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncat_alloca_true_valid_memsafety_true_termination_i__timer_t in openbsd_cstrncat-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:26:17,657 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncat_alloca_true_valid_memsafety_true_termination_i____nlink_t in openbsd_cstrncat-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:26:17,658 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncat_alloca_true_valid_memsafety_true_termination_i____pthread_list_t in openbsd_cstrncat-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:26:17,658 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncat_alloca_true_valid_memsafety_true_termination_i__u_int32_t in openbsd_cstrncat-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:26:17,658 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncat_alloca_true_valid_memsafety_true_termination_i__blkcnt_t in openbsd_cstrncat-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:26:17,658 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncat_alloca_true_valid_memsafety_true_termination_i__pthread_once_t in openbsd_cstrncat-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:26:17,658 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncat_alloca_true_valid_memsafety_true_termination_i____intptr_t in openbsd_cstrncat-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:26:17,658 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncat_alloca_true_valid_memsafety_true_termination_i____u_quad_t in openbsd_cstrncat-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:26:17,658 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncat_alloca_true_valid_memsafety_true_termination_i____off64_t in openbsd_cstrncat-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:26:17,658 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncat_alloca_true_valid_memsafety_true_termination_i__pthread_attr_t in openbsd_cstrncat-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:26:17,659 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncat_alloca_true_valid_memsafety_true_termination_i__pthread_barrier_t in openbsd_cstrncat-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:26:17,659 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncat_alloca_true_valid_memsafety_true_termination_i____u_char in openbsd_cstrncat-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:26:17,659 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncat_alloca_true_valid_memsafety_true_termination_i____gid_t in openbsd_cstrncat-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:26:17,659 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncat_alloca_true_valid_memsafety_true_termination_i____timer_t in openbsd_cstrncat-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:26:17,659 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncat_alloca_true_valid_memsafety_true_termination_i__lldiv_t in openbsd_cstrncat-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:26:17,659 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncat_alloca_true_valid_memsafety_true_termination_i____pid_t in openbsd_cstrncat-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:26:17,659 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncat_alloca_true_valid_memsafety_true_termination_i____socklen_t in openbsd_cstrncat-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:26:17,659 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncat_alloca_true_valid_memsafety_true_termination_i__int16_t in openbsd_cstrncat-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:26:17,659 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncat_alloca_true_valid_memsafety_true_termination_i__pthread_mutexattr_t in openbsd_cstrncat-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:26:17,660 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncat_alloca_true_valid_memsafety_true_termination_i____fsblkcnt64_t in openbsd_cstrncat-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:26:17,660 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncat_alloca_true_valid_memsafety_true_termination_i____rlim_t in openbsd_cstrncat-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:26:17,660 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncat_alloca_true_valid_memsafety_true_termination_i__wchar_t in openbsd_cstrncat-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:26:17,660 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncat_alloca_true_valid_memsafety_true_termination_i____quad_t in openbsd_cstrncat-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:26:17,677 INFO L334 CDTParser]: Deleted temporary CDT project at /storage/ultimate/releaseScripts/default/UAutomizer-linux/data/FLAG229486a1f [2018-03-28 12:26:17,682 INFO L304 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-03-28 12:26:17,684 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-03-28 12:26:17,685 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-03-28 12:26:17,685 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-03-28 12:26:17,690 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-03-28 12:26:17,691 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.03 12:26:17" (1/1) ... [2018-03-28 12:26:17,693 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@74c16a9c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:26:17, skipping insertion in model container [2018-03-28 12:26:17,693 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.03 12:26:17" (1/1) ... [2018-03-28 12:26:17,708 INFO L167 Dispatcher]: Using SV-COMP mode [2018-03-28 12:26:17,738 INFO L167 Dispatcher]: Using SV-COMP mode [2018-03-28 12:26:17,908 INFO L175 PostProcessor]: Settings: Checked method=main [2018-03-28 12:26:17,960 INFO L175 PostProcessor]: Settings: Checked method=main [2018-03-28 12:26:17,967 INFO L100 SccComputation]: Graph consists of 0 InCaSumBalls and 112 non ball SCCs. Number of states in SCCs 112. [2018-03-28 12:26:18,013 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:26:18 WrapperNode [2018-03-28 12:26:18,013 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-03-28 12:26:18,014 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-03-28 12:26:18,014 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-03-28 12:26:18,014 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-03-28 12:26:18,028 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:26:18" (1/1) ... [2018-03-28 12:26:18,028 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:26:18" (1/1) ... [2018-03-28 12:26:18,043 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:26:18" (1/1) ... [2018-03-28 12:26:18,044 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:26:18" (1/1) ... [2018-03-28 12:26:18,056 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:26:18" (1/1) ... [2018-03-28 12:26:18,063 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:26:18" (1/1) ... [2018-03-28 12:26:18,066 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:26:18" (1/1) ... [2018-03-28 12:26:18,071 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-03-28 12:26:18,072 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-03-28 12:26:18,072 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-03-28 12:26:18,072 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-03-28 12:26:18,073 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:26:18" (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 [2018-03-28 12:26:18,185 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-03-28 12:26:18,185 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-03-28 12:26:18,185 INFO L136 BoogieDeclarations]: Found implementation of procedure __U_MULTI_fopenbsd_cstrncat_alloca_true_valid_memsafety_true_termination_i____bswap_32 [2018-03-28 12:26:18,186 INFO L136 BoogieDeclarations]: Found implementation of procedure __U_MULTI_fopenbsd_cstrncat_alloca_true_valid_memsafety_true_termination_i____bswap_64 [2018-03-28 12:26:18,186 INFO L136 BoogieDeclarations]: Found implementation of procedure __U_MULTI_fopenbsd_cstrncat_alloca_true_valid_memsafety_true_termination_i__cstrncat [2018-03-28 12:26:18,186 INFO L136 BoogieDeclarations]: Found implementation of procedure main [2018-03-28 12:26:18,186 INFO L128 BoogieDeclarations]: Found specification of procedure __U_MULTI_fopenbsd_cstrncat_alloca_true_valid_memsafety_true_termination_i____bswap_32 [2018-03-28 12:26:18,186 INFO L128 BoogieDeclarations]: Found specification of procedure __U_MULTI_fopenbsd_cstrncat_alloca_true_valid_memsafety_true_termination_i____bswap_64 [2018-03-28 12:26:18,186 INFO L128 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2018-03-28 12:26:18,186 INFO L128 BoogieDeclarations]: Found specification of procedure atof [2018-03-28 12:26:18,186 INFO L128 BoogieDeclarations]: Found specification of procedure atoi [2018-03-28 12:26:18,186 INFO L128 BoogieDeclarations]: Found specification of procedure atol [2018-03-28 12:26:18,186 INFO L128 BoogieDeclarations]: Found specification of procedure atoll [2018-03-28 12:26:18,186 INFO L128 BoogieDeclarations]: Found specification of procedure strtod [2018-03-28 12:26:18,187 INFO L128 BoogieDeclarations]: Found specification of procedure strtof [2018-03-28 12:26:18,187 INFO L128 BoogieDeclarations]: Found specification of procedure strtold [2018-03-28 12:26:18,187 INFO L128 BoogieDeclarations]: Found specification of procedure strtol [2018-03-28 12:26:18,187 INFO L128 BoogieDeclarations]: Found specification of procedure strtoul [2018-03-28 12:26:18,187 INFO L128 BoogieDeclarations]: Found specification of procedure strtoq [2018-03-28 12:26:18,187 INFO L128 BoogieDeclarations]: Found specification of procedure strtouq [2018-03-28 12:26:18,187 INFO L128 BoogieDeclarations]: Found specification of procedure strtoll [2018-03-28 12:26:18,187 INFO L128 BoogieDeclarations]: Found specification of procedure strtoull [2018-03-28 12:26:18,187 INFO L128 BoogieDeclarations]: Found specification of procedure l64a [2018-03-28 12:26:18,187 INFO L128 BoogieDeclarations]: Found specification of procedure a64l [2018-03-28 12:26:18,187 INFO L128 BoogieDeclarations]: Found specification of procedure select [2018-03-28 12:26:18,187 INFO L128 BoogieDeclarations]: Found specification of procedure pselect [2018-03-28 12:26:18,188 INFO L128 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2018-03-28 12:26:18,188 INFO L128 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2018-03-28 12:26:18,188 INFO L128 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2018-03-28 12:26:18,188 INFO L128 BoogieDeclarations]: Found specification of procedure random [2018-03-28 12:26:18,188 INFO L128 BoogieDeclarations]: Found specification of procedure srandom [2018-03-28 12:26:18,188 INFO L128 BoogieDeclarations]: Found specification of procedure initstate [2018-03-28 12:26:18,188 INFO L128 BoogieDeclarations]: Found specification of procedure setstate [2018-03-28 12:26:18,188 INFO L128 BoogieDeclarations]: Found specification of procedure random_r [2018-03-28 12:26:18,188 INFO L128 BoogieDeclarations]: Found specification of procedure srandom_r [2018-03-28 12:26:18,189 INFO L128 BoogieDeclarations]: Found specification of procedure initstate_r [2018-03-28 12:26:18,189 INFO L128 BoogieDeclarations]: Found specification of procedure setstate_r [2018-03-28 12:26:18,189 INFO L128 BoogieDeclarations]: Found specification of procedure rand [2018-03-28 12:26:18,189 INFO L128 BoogieDeclarations]: Found specification of procedure srand [2018-03-28 12:26:18,189 INFO L128 BoogieDeclarations]: Found specification of procedure rand_r [2018-03-28 12:26:18,189 INFO L128 BoogieDeclarations]: Found specification of procedure drand48 [2018-03-28 12:26:18,189 INFO L128 BoogieDeclarations]: Found specification of procedure erand48 [2018-03-28 12:26:18,190 INFO L128 BoogieDeclarations]: Found specification of procedure lrand48 [2018-03-28 12:26:18,190 INFO L128 BoogieDeclarations]: Found specification of procedure nrand48 [2018-03-28 12:26:18,190 INFO L128 BoogieDeclarations]: Found specification of procedure mrand48 [2018-03-28 12:26:18,190 INFO L128 BoogieDeclarations]: Found specification of procedure jrand48 [2018-03-28 12:26:18,190 INFO L128 BoogieDeclarations]: Found specification of procedure srand48 [2018-03-28 12:26:18,190 INFO L128 BoogieDeclarations]: Found specification of procedure seed48 [2018-03-28 12:26:18,190 INFO L128 BoogieDeclarations]: Found specification of procedure lcong48 [2018-03-28 12:26:18,190 INFO L128 BoogieDeclarations]: Found specification of procedure drand48_r [2018-03-28 12:26:18,191 INFO L128 BoogieDeclarations]: Found specification of procedure erand48_r [2018-03-28 12:26:18,191 INFO L128 BoogieDeclarations]: Found specification of procedure lrand48_r [2018-03-28 12:26:18,191 INFO L128 BoogieDeclarations]: Found specification of procedure nrand48_r [2018-03-28 12:26:18,191 INFO L128 BoogieDeclarations]: Found specification of procedure mrand48_r [2018-03-28 12:26:18,191 INFO L128 BoogieDeclarations]: Found specification of procedure jrand48_r [2018-03-28 12:26:18,191 INFO L128 BoogieDeclarations]: Found specification of procedure srand48_r [2018-03-28 12:26:18,191 INFO L128 BoogieDeclarations]: Found specification of procedure seed48_r [2018-03-28 12:26:18,191 INFO L128 BoogieDeclarations]: Found specification of procedure lcong48_r [2018-03-28 12:26:18,192 INFO L128 BoogieDeclarations]: Found specification of procedure malloc [2018-03-28 12:26:18,192 INFO L128 BoogieDeclarations]: Found specification of procedure calloc [2018-03-28 12:26:18,192 INFO L128 BoogieDeclarations]: Found specification of procedure realloc [2018-03-28 12:26:18,192 INFO L128 BoogieDeclarations]: Found specification of procedure free [2018-03-28 12:26:18,192 INFO L128 BoogieDeclarations]: Found specification of procedure cfree [2018-03-28 12:26:18,192 INFO L128 BoogieDeclarations]: Found specification of procedure alloca [2018-03-28 12:26:18,192 INFO L128 BoogieDeclarations]: Found specification of procedure valloc [2018-03-28 12:26:18,192 INFO L128 BoogieDeclarations]: Found specification of procedure posix_memalign [2018-03-28 12:26:18,193 INFO L128 BoogieDeclarations]: Found specification of procedure abort [2018-03-28 12:26:18,193 INFO L128 BoogieDeclarations]: Found specification of procedure atexit [2018-03-28 12:26:18,193 INFO L128 BoogieDeclarations]: Found specification of procedure on_exit [2018-03-28 12:26:18,193 INFO L128 BoogieDeclarations]: Found specification of procedure exit [2018-03-28 12:26:18,193 INFO L128 BoogieDeclarations]: Found specification of procedure _Exit [2018-03-28 12:26:18,193 INFO L128 BoogieDeclarations]: Found specification of procedure getenv [2018-03-28 12:26:18,193 INFO L128 BoogieDeclarations]: Found specification of procedure putenv [2018-03-28 12:26:18,194 INFO L128 BoogieDeclarations]: Found specification of procedure setenv [2018-03-28 12:26:18,194 INFO L128 BoogieDeclarations]: Found specification of procedure unsetenv [2018-03-28 12:26:18,194 INFO L128 BoogieDeclarations]: Found specification of procedure clearenv [2018-03-28 12:26:18,194 INFO L128 BoogieDeclarations]: Found specification of procedure mktemp [2018-03-28 12:26:18,194 INFO L128 BoogieDeclarations]: Found specification of procedure mkstemp [2018-03-28 12:26:18,194 INFO L128 BoogieDeclarations]: Found specification of procedure mkstemps [2018-03-28 12:26:18,194 INFO L128 BoogieDeclarations]: Found specification of procedure mkdtemp [2018-03-28 12:26:18,194 INFO L128 BoogieDeclarations]: Found specification of procedure system [2018-03-28 12:26:18,195 INFO L128 BoogieDeclarations]: Found specification of procedure realpath [2018-03-28 12:26:18,195 INFO L128 BoogieDeclarations]: Found specification of procedure bsearch [2018-03-28 12:26:18,195 INFO L128 BoogieDeclarations]: Found specification of procedure qsort [2018-03-28 12:26:18,195 INFO L128 BoogieDeclarations]: Found specification of procedure abs [2018-03-28 12:26:18,195 INFO L128 BoogieDeclarations]: Found specification of procedure labs [2018-03-28 12:26:18,195 INFO L128 BoogieDeclarations]: Found specification of procedure llabs [2018-03-28 12:26:18,195 INFO L128 BoogieDeclarations]: Found specification of procedure div [2018-03-28 12:26:18,195 INFO L128 BoogieDeclarations]: Found specification of procedure ldiv [2018-03-28 12:26:18,196 INFO L128 BoogieDeclarations]: Found specification of procedure lldiv [2018-03-28 12:26:18,196 INFO L128 BoogieDeclarations]: Found specification of procedure ecvt [2018-03-28 12:26:18,196 INFO L128 BoogieDeclarations]: Found specification of procedure fcvt [2018-03-28 12:26:18,196 INFO L128 BoogieDeclarations]: Found specification of procedure gcvt [2018-03-28 12:26:18,196 INFO L128 BoogieDeclarations]: Found specification of procedure qecvt [2018-03-28 12:26:18,196 INFO L128 BoogieDeclarations]: Found specification of procedure qfcvt [2018-03-28 12:26:18,196 INFO L128 BoogieDeclarations]: Found specification of procedure qgcvt [2018-03-28 12:26:18,197 INFO L128 BoogieDeclarations]: Found specification of procedure ecvt_r [2018-03-28 12:26:18,197 INFO L128 BoogieDeclarations]: Found specification of procedure fcvt_r [2018-03-28 12:26:18,197 INFO L128 BoogieDeclarations]: Found specification of procedure qecvt_r [2018-03-28 12:26:18,197 INFO L128 BoogieDeclarations]: Found specification of procedure qfcvt_r [2018-03-28 12:26:18,197 INFO L128 BoogieDeclarations]: Found specification of procedure mblen [2018-03-28 12:26:18,197 INFO L128 BoogieDeclarations]: Found specification of procedure mbtowc [2018-03-28 12:26:18,197 INFO L128 BoogieDeclarations]: Found specification of procedure wctomb [2018-03-28 12:26:18,197 INFO L128 BoogieDeclarations]: Found specification of procedure mbstowcs [2018-03-28 12:26:18,198 INFO L128 BoogieDeclarations]: Found specification of procedure wcstombs [2018-03-28 12:26:18,198 INFO L128 BoogieDeclarations]: Found specification of procedure rpmatch [2018-03-28 12:26:18,198 INFO L128 BoogieDeclarations]: Found specification of procedure getsubopt [2018-03-28 12:26:18,198 INFO L128 BoogieDeclarations]: Found specification of procedure getloadavg [2018-03-28 12:26:18,198 INFO L128 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-03-28 12:26:18,198 INFO L128 BoogieDeclarations]: Found specification of procedure __U_MULTI_fopenbsd_cstrncat_alloca_true_valid_memsafety_true_termination_i__cstrncat [2018-03-28 12:26:18,198 INFO L128 BoogieDeclarations]: Found specification of procedure read~int [2018-03-28 12:26:18,198 INFO L128 BoogieDeclarations]: Found specification of procedure write~int [2018-03-28 12:26:18,199 INFO L128 BoogieDeclarations]: Found specification of procedure main [2018-03-28 12:26:18,199 INFO L128 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-03-28 12:26:18,199 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-03-28 12:26:18,199 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-03-28 12:26:18,199 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-03-28 12:26:18,199 INFO L128 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2018-03-28 12:26:18,597 INFO L259 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-03-28 12:26:18,597 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.03 12:26:18 BoogieIcfgContainer [2018-03-28 12:26:18,597 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-03-28 12:26:18,598 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-03-28 12:26:18,598 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-03-28 12:26:18,600 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-03-28 12:26:18,601 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.03 12:26:17" (1/3) ... [2018-03-28 12:26:18,601 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2a9e9c12 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.03 12:26:18, skipping insertion in model container [2018-03-28 12:26:18,601 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:26:18" (2/3) ... [2018-03-28 12:26:18,601 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2a9e9c12 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.03 12:26:18, skipping insertion in model container [2018-03-28 12:26:18,601 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.03 12:26:18" (3/3) ... [2018-03-28 12:26:18,603 INFO L107 eAbstractionObserver]: Analyzing ICFG openbsd_cstrncat-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:26:18,610 INFO L131 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-03-28 12:26:18,615 INFO L143 ceAbstractionStarter]: Appying trace abstraction to program that has 13 error locations. [2018-03-28 12:26:18,662 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2018-03-28 12:26:18,663 INFO L369 AbstractCegarLoop]: Interprodecural is true [2018-03-28 12:26:18,663 INFO L370 AbstractCegarLoop]: Hoare is true [2018-03-28 12:26:18,663 INFO L371 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-03-28 12:26:18,663 INFO L372 AbstractCegarLoop]: Backedges is TWOTRACK [2018-03-28 12:26:18,663 INFO L373 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-03-28 12:26:18,663 INFO L374 AbstractCegarLoop]: Difference is false [2018-03-28 12:26:18,663 INFO L375 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-03-28 12:26:18,664 INFO L380 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-03-28 12:26:18,664 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-03-28 12:26:18,681 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states. [2018-03-28 12:26:18,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-03-28 12:26:18,686 INFO L347 BasicCegarLoop]: Found error trace [2018-03-28 12:26:18,686 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-03-28 12:26:18,686 INFO L408 AbstractCegarLoop]: === Iteration 1 === [__U_MULTI_fopenbsd_cstrncat_alloca_true_valid_memsafety_true_termination_i__cstrncatErr3RequiresViolation, __U_MULTI_fopenbsd_cstrncat_alloca_true_valid_memsafety_true_termination_i__cstrncatErr1RequiresViolation, __U_MULTI_fopenbsd_cstrncat_alloca_true_valid_memsafety_true_termination_i__cstrncatErr7RequiresViolation, __U_MULTI_fopenbsd_cstrncat_alloca_true_valid_memsafety_true_termination_i__cstrncatErr2RequiresViolation, __U_MULTI_fopenbsd_cstrncat_alloca_true_valid_memsafety_true_termination_i__cstrncatErr4RequiresViolation, __U_MULTI_fopenbsd_cstrncat_alloca_true_valid_memsafety_true_termination_i__cstrncatErr0RequiresViolation, __U_MULTI_fopenbsd_cstrncat_alloca_true_valid_memsafety_true_termination_i__cstrncatErr6RequiresViolation, __U_MULTI_fopenbsd_cstrncat_alloca_true_valid_memsafety_true_termination_i__cstrncatErr5RequiresViolation, mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-03-28 12:26:18,690 INFO L82 PathProgramCache]: Analyzing trace with hash 44265951, 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 [2018-03-28 12:26:18,701 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-03-28 12:26:18,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-03-28 12:26:18,736 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-03-28 12:26:18,766 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-28 12:26:18,766 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-03-28 12:26:18,776 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-28 12:26:18,799 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-03-28 12:26:18,799 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2018-03-28 12:26:18,801 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-03-28 12:26:18,810 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-03-28 12:26:18,810 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-03-28 12:26:18,812 INFO L87 Difference]: Start difference. First operand 89 states. Second operand 3 states. [2018-03-28 12:26:18,910 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-03-28 12:26:18,910 INFO L93 Difference]: Finished difference Result 129 states and 141 transitions. [2018-03-28 12:26:18,911 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-03-28 12:26:18,912 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 21 [2018-03-28 12:26:18,912 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-03-28 12:26:18,920 INFO L225 Difference]: With dead ends: 129 [2018-03-28 12:26:18,921 INFO L226 Difference]: Without dead ends: 85 [2018-03-28 12:26:18,924 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-03-28 12:26:18,940 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 85 states. [2018-03-28 12:26:18,961 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 85 to 85. [2018-03-28 12:26:18,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 85 states. [2018-03-28 12:26:18,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 85 states and 91 transitions. [2018-03-28 12:26:18,966 INFO L78 Accepts]: Start accepts. Automaton has 85 states and 91 transitions. Word has length 21 [2018-03-28 12:26:18,967 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-03-28 12:26:18,967 INFO L459 AbstractCegarLoop]: Abstraction has 85 states and 91 transitions. [2018-03-28 12:26:18,967 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-03-28 12:26:18,967 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 91 transitions. [2018-03-28 12:26:18,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-03-28 12:26:18,968 INFO L347 BasicCegarLoop]: Found error trace [2018-03-28 12:26:18,968 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-03-28 12:26:18,969 INFO L408 AbstractCegarLoop]: === Iteration 2 === [__U_MULTI_fopenbsd_cstrncat_alloca_true_valid_memsafety_true_termination_i__cstrncatErr3RequiresViolation, __U_MULTI_fopenbsd_cstrncat_alloca_true_valid_memsafety_true_termination_i__cstrncatErr1RequiresViolation, __U_MULTI_fopenbsd_cstrncat_alloca_true_valid_memsafety_true_termination_i__cstrncatErr7RequiresViolation, __U_MULTI_fopenbsd_cstrncat_alloca_true_valid_memsafety_true_termination_i__cstrncatErr2RequiresViolation, __U_MULTI_fopenbsd_cstrncat_alloca_true_valid_memsafety_true_termination_i__cstrncatErr4RequiresViolation, __U_MULTI_fopenbsd_cstrncat_alloca_true_valid_memsafety_true_termination_i__cstrncatErr0RequiresViolation, __U_MULTI_fopenbsd_cstrncat_alloca_true_valid_memsafety_true_termination_i__cstrncatErr6RequiresViolation, __U_MULTI_fopenbsd_cstrncat_alloca_true_valid_memsafety_true_termination_i__cstrncatErr5RequiresViolation, mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-03-28 12:26:18,969 INFO L82 PathProgramCache]: Analyzing trace with hash 230705453, 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 [2018-03-28 12:26:18,976 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-03-28 12:26:18,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-03-28 12:26:18,994 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-03-28 12:26:19,024 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 [2018-03-28 12:26:19,026 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-03-28 12:26:19,029 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-28 12:26:19,029 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2018-03-28 12:26:19,052 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2018-03-28 12:26:19,053 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-03-28 12:26:19,061 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. [2018-03-28 12:26:19,061 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:12, output treesize:11 [2018-03-28 12:26:19,068 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-28 12:26:19,068 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-03-28 12:26:19,079 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-28 12:26:19,103 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-03-28 12:26:19,103 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2018-03-28 12:26:19,105 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-03-28 12:26:19,105 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-03-28 12:26:19,106 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-03-28 12:26:19,106 INFO L87 Difference]: Start difference. First operand 85 states and 91 transitions. Second operand 4 states. [2018-03-28 12:26:19,194 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-03-28 12:26:19,194 INFO L93 Difference]: Finished difference Result 85 states and 91 transitions. [2018-03-28 12:26:19,195 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-03-28 12:26:19,195 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 24 [2018-03-28 12:26:19,195 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-03-28 12:26:19,196 INFO L225 Difference]: With dead ends: 85 [2018-03-28 12:26:19,196 INFO L226 Difference]: Without dead ends: 84 [2018-03-28 12:26:19,197 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 43 SyntacticMatches, 2 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-03-28 12:26:19,197 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 84 states. [2018-03-28 12:26:19,204 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 84 to 84. [2018-03-28 12:26:19,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 84 states. [2018-03-28 12:26:19,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 84 states and 90 transitions. [2018-03-28 12:26:19,206 INFO L78 Accepts]: Start accepts. Automaton has 84 states and 90 transitions. Word has length 24 [2018-03-28 12:26:19,207 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-03-28 12:26:19,207 INFO L459 AbstractCegarLoop]: Abstraction has 84 states and 90 transitions. [2018-03-28 12:26:19,207 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-03-28 12:26:19,207 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 90 transitions. [2018-03-28 12:26:19,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-03-28 12:26:19,208 INFO L347 BasicCegarLoop]: Found error trace [2018-03-28 12:26:19,208 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-03-28 12:26:19,208 INFO L408 AbstractCegarLoop]: === Iteration 3 === [__U_MULTI_fopenbsd_cstrncat_alloca_true_valid_memsafety_true_termination_i__cstrncatErr3RequiresViolation, __U_MULTI_fopenbsd_cstrncat_alloca_true_valid_memsafety_true_termination_i__cstrncatErr1RequiresViolation, __U_MULTI_fopenbsd_cstrncat_alloca_true_valid_memsafety_true_termination_i__cstrncatErr7RequiresViolation, __U_MULTI_fopenbsd_cstrncat_alloca_true_valid_memsafety_true_termination_i__cstrncatErr2RequiresViolation, __U_MULTI_fopenbsd_cstrncat_alloca_true_valid_memsafety_true_termination_i__cstrncatErr4RequiresViolation, __U_MULTI_fopenbsd_cstrncat_alloca_true_valid_memsafety_true_termination_i__cstrncatErr0RequiresViolation, __U_MULTI_fopenbsd_cstrncat_alloca_true_valid_memsafety_true_termination_i__cstrncatErr6RequiresViolation, __U_MULTI_fopenbsd_cstrncat_alloca_true_valid_memsafety_true_termination_i__cstrncatErr5RequiresViolation, mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-03-28 12:26:19,208 INFO L82 PathProgramCache]: Analyzing trace with hash 230705454, 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 [2018-03-28 12:26:19,214 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-03-28 12:26:19,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-03-28 12:26:19,234 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-03-28 12:26:19,263 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 [2018-03-28 12:26:19,263 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-03-28 12:26:19,280 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 [2018-03-28 12:26:19,280 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-28 12:26:19,292 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-28 12:26:19,293 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:27, output treesize:25 [2018-03-28 12:26:19,353 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 12:26:19,354 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 12:26:19,355 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 21 [2018-03-28 12:26:19,356 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-03-28 12:26:19,379 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 12:26:19,380 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 12:26:19,381 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 4 [2018-03-28 12:26:19,381 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-28 12:26:19,422 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-03-28 12:26:19,422 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:36, output treesize:24 [2018-03-28 12:26:19,465 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-28 12:26:19,465 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-03-28 12:26:19,569 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 17 [2018-03-28 12:26:19,570 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-03-28 12:26:19,580 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 20 [2018-03-28 12:26:19,602 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 3 [2018-03-28 12:26:19,603 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-03-28 12:26:19,607 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-28 12:26:19,616 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-03-28 12:26:19,617 INFO L202 ElimStorePlain]: Needed 4 recursive calls to eliminate 4 variables, input treesize:29, output treesize:9 [2018-03-28 12:26:19,715 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-28 12:26:19,736 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-03-28 12:26:19,736 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [7, 7] imperfect sequences [] total 12 [2018-03-28 12:26:19,737 INFO L442 AbstractCegarLoop]: Interpolant automaton has 13 states [2018-03-28 12:26:19,737 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2018-03-28 12:26:19,737 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=111, Unknown=0, NotChecked=0, Total=156 [2018-03-28 12:26:19,738 INFO L87 Difference]: Start difference. First operand 84 states and 90 transitions. Second operand 13 states. [2018-03-28 12:26:20,003 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-03-28 12:26:20,003 INFO L93 Difference]: Finished difference Result 84 states and 90 transitions. [2018-03-28 12:26:20,004 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-03-28 12:26:20,004 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 24 [2018-03-28 12:26:20,004 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-03-28 12:26:20,005 INFO L225 Difference]: With dead ends: 84 [2018-03-28 12:26:20,006 INFO L226 Difference]: Without dead ends: 83 [2018-03-28 12:26:20,006 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 35 SyntacticMatches, 1 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=81, Invalid=159, Unknown=0, NotChecked=0, Total=240 [2018-03-28 12:26:20,007 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 83 states. [2018-03-28 12:26:20,013 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 83 to 83. [2018-03-28 12:26:20,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 83 states. [2018-03-28 12:26:20,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 83 states and 89 transitions. [2018-03-28 12:26:20,015 INFO L78 Accepts]: Start accepts. Automaton has 83 states and 89 transitions. Word has length 24 [2018-03-28 12:26:20,016 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-03-28 12:26:20,016 INFO L459 AbstractCegarLoop]: Abstraction has 83 states and 89 transitions. [2018-03-28 12:26:20,016 INFO L460 AbstractCegarLoop]: Interpolant automaton has 13 states. [2018-03-28 12:26:20,016 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 89 transitions. [2018-03-28 12:26:20,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-03-28 12:26:20,017 INFO L347 BasicCegarLoop]: Found error trace [2018-03-28 12:26:20,017 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] [2018-03-28 12:26:20,018 INFO L408 AbstractCegarLoop]: === Iteration 4 === [__U_MULTI_fopenbsd_cstrncat_alloca_true_valid_memsafety_true_termination_i__cstrncatErr3RequiresViolation, __U_MULTI_fopenbsd_cstrncat_alloca_true_valid_memsafety_true_termination_i__cstrncatErr1RequiresViolation, __U_MULTI_fopenbsd_cstrncat_alloca_true_valid_memsafety_true_termination_i__cstrncatErr7RequiresViolation, __U_MULTI_fopenbsd_cstrncat_alloca_true_valid_memsafety_true_termination_i__cstrncatErr2RequiresViolation, __U_MULTI_fopenbsd_cstrncat_alloca_true_valid_memsafety_true_termination_i__cstrncatErr4RequiresViolation, __U_MULTI_fopenbsd_cstrncat_alloca_true_valid_memsafety_true_termination_i__cstrncatErr0RequiresViolation, __U_MULTI_fopenbsd_cstrncat_alloca_true_valid_memsafety_true_termination_i__cstrncatErr6RequiresViolation, __U_MULTI_fopenbsd_cstrncat_alloca_true_valid_memsafety_true_termination_i__cstrncatErr5RequiresViolation, mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-03-28 12:26:20,018 INFO L82 PathProgramCache]: Analyzing trace with hash -1438065452, 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 [2018-03-28 12:26:20,031 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-03-28 12:26:20,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-03-28 12:26:20,050 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-03-28 12:26:20,059 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 [2018-03-28 12:26:20,059 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-03-28 12:26:20,063 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-28 12:26:20,064 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:13, output treesize:12 [2018-03-28 12:26:20,132 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-28 12:26:20,132 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-03-28 12:26:20,193 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-28 12:26:20,214 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-03-28 12:26:20,214 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 6 [2018-03-28 12:26:20,214 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-03-28 12:26:20,215 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-03-28 12:26:20,215 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2018-03-28 12:26:20,215 INFO L87 Difference]: Start difference. First operand 83 states and 89 transitions. Second operand 7 states. [2018-03-28 12:26:20,291 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-03-28 12:26:20,292 INFO L93 Difference]: Finished difference Result 83 states and 89 transitions. [2018-03-28 12:26:20,292 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-03-28 12:26:20,292 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 25 [2018-03-28 12:26:20,292 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-03-28 12:26:20,293 INFO L225 Difference]: With dead ends: 83 [2018-03-28 12:26:20,293 INFO L226 Difference]: Without dead ends: 82 [2018-03-28 12:26:20,294 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2018-03-28 12:26:20,294 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 82 states. [2018-03-28 12:26:20,300 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 82 to 82. [2018-03-28 12:26:20,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 82 states. [2018-03-28 12:26:20,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 82 states and 88 transitions. [2018-03-28 12:26:20,301 INFO L78 Accepts]: Start accepts. Automaton has 82 states and 88 transitions. Word has length 25 [2018-03-28 12:26:20,302 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-03-28 12:26:20,302 INFO L459 AbstractCegarLoop]: Abstraction has 82 states and 88 transitions. [2018-03-28 12:26:20,302 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-03-28 12:26:20,302 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 88 transitions. [2018-03-28 12:26:20,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-03-28 12:26:20,303 INFO L347 BasicCegarLoop]: Found error trace [2018-03-28 12:26:20,303 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] [2018-03-28 12:26:20,303 INFO L408 AbstractCegarLoop]: === Iteration 5 === [__U_MULTI_fopenbsd_cstrncat_alloca_true_valid_memsafety_true_termination_i__cstrncatErr3RequiresViolation, __U_MULTI_fopenbsd_cstrncat_alloca_true_valid_memsafety_true_termination_i__cstrncatErr1RequiresViolation, __U_MULTI_fopenbsd_cstrncat_alloca_true_valid_memsafety_true_termination_i__cstrncatErr7RequiresViolation, __U_MULTI_fopenbsd_cstrncat_alloca_true_valid_memsafety_true_termination_i__cstrncatErr2RequiresViolation, __U_MULTI_fopenbsd_cstrncat_alloca_true_valid_memsafety_true_termination_i__cstrncatErr4RequiresViolation, __U_MULTI_fopenbsd_cstrncat_alloca_true_valid_memsafety_true_termination_i__cstrncatErr0RequiresViolation, __U_MULTI_fopenbsd_cstrncat_alloca_true_valid_memsafety_true_termination_i__cstrncatErr6RequiresViolation, __U_MULTI_fopenbsd_cstrncat_alloca_true_valid_memsafety_true_termination_i__cstrncatErr5RequiresViolation, mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-03-28 12:26:20,304 INFO L82 PathProgramCache]: Analyzing trace with hash -1438065453, 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 [2018-03-28 12:26:20,311 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-03-28 12:26:20,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-03-28 12:26:20,325 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-03-28 12:26:20,329 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 [2018-03-28 12:26:20,329 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-03-28 12:26:20,332 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-28 12:26:20,333 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2018-03-28 12:26:20,347 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-28 12:26:20,348 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-03-28 12:26:20,352 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-28 12:26:20,374 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-03-28 12:26:20,374 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2018-03-28 12:26:20,375 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-03-28 12:26:20,375 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-03-28 12:26:20,375 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-03-28 12:26:20,375 INFO L87 Difference]: Start difference. First operand 82 states and 88 transitions. Second operand 4 states. [2018-03-28 12:26:20,411 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-03-28 12:26:20,411 INFO L93 Difference]: Finished difference Result 82 states and 88 transitions. [2018-03-28 12:26:20,411 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-03-28 12:26:20,411 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 25 [2018-03-28 12:26:20,412 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-03-28 12:26:20,413 INFO L225 Difference]: With dead ends: 82 [2018-03-28 12:26:20,413 INFO L226 Difference]: Without dead ends: 81 [2018-03-28 12:26:20,413 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-03-28 12:26:20,413 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 81 states. [2018-03-28 12:26:20,419 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 81 to 81. [2018-03-28 12:26:20,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 81 states. [2018-03-28 12:26:20,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 81 states and 87 transitions. [2018-03-28 12:26:20,420 INFO L78 Accepts]: Start accepts. Automaton has 81 states and 87 transitions. Word has length 25 [2018-03-28 12:26:20,421 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-03-28 12:26:20,421 INFO L459 AbstractCegarLoop]: Abstraction has 81 states and 87 transitions. [2018-03-28 12:26:20,421 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-03-28 12:26:20,421 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 87 transitions. [2018-03-28 12:26:20,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-03-28 12:26:20,422 INFO L347 BasicCegarLoop]: Found error trace [2018-03-28 12:26:20,422 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, 1, 1, 1, 1] [2018-03-28 12:26:20,422 INFO L408 AbstractCegarLoop]: === Iteration 6 === [__U_MULTI_fopenbsd_cstrncat_alloca_true_valid_memsafety_true_termination_i__cstrncatErr3RequiresViolation, __U_MULTI_fopenbsd_cstrncat_alloca_true_valid_memsafety_true_termination_i__cstrncatErr1RequiresViolation, __U_MULTI_fopenbsd_cstrncat_alloca_true_valid_memsafety_true_termination_i__cstrncatErr7RequiresViolation, __U_MULTI_fopenbsd_cstrncat_alloca_true_valid_memsafety_true_termination_i__cstrncatErr2RequiresViolation, __U_MULTI_fopenbsd_cstrncat_alloca_true_valid_memsafety_true_termination_i__cstrncatErr4RequiresViolation, __U_MULTI_fopenbsd_cstrncat_alloca_true_valid_memsafety_true_termination_i__cstrncatErr0RequiresViolation, __U_MULTI_fopenbsd_cstrncat_alloca_true_valid_memsafety_true_termination_i__cstrncatErr6RequiresViolation, __U_MULTI_fopenbsd_cstrncat_alloca_true_valid_memsafety_true_termination_i__cstrncatErr5RequiresViolation, mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-03-28 12:26:20,422 INFO L82 PathProgramCache]: Analyzing trace with hash -1704017821, 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 [2018-03-28 12:26:20,429 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-03-28 12:26:20,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-03-28 12:26:20,448 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-03-28 12:26:20,463 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-28 12:26:20,463 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-03-28 12:26:20,468 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-28 12:26:20,498 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-03-28 12:26:20,498 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2018-03-28 12:26:20,498 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-03-28 12:26:20,498 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-03-28 12:26:20,499 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-03-28 12:26:20,499 INFO L87 Difference]: Start difference. First operand 81 states and 87 transitions. Second operand 6 states. [2018-03-28 12:26:20,568 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-03-28 12:26:20,568 INFO L93 Difference]: Finished difference Result 100 states and 106 transitions. [2018-03-28 12:26:20,568 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-03-28 12:26:20,568 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 34 [2018-03-28 12:26:20,568 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-03-28 12:26:20,571 INFO L225 Difference]: With dead ends: 100 [2018-03-28 12:26:20,571 INFO L226 Difference]: Without dead ends: 97 [2018-03-28 12:26:20,571 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 63 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-03-28 12:26:20,572 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 97 states. [2018-03-28 12:26:20,576 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 97 to 89. [2018-03-28 12:26:20,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 89 states. [2018-03-28 12:26:20,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 89 states and 100 transitions. [2018-03-28 12:26:20,577 INFO L78 Accepts]: Start accepts. Automaton has 89 states and 100 transitions. Word has length 34 [2018-03-28 12:26:20,578 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-03-28 12:26:20,578 INFO L459 AbstractCegarLoop]: Abstraction has 89 states and 100 transitions. [2018-03-28 12:26:20,578 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-03-28 12:26:20,578 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 100 transitions. [2018-03-28 12:26:20,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-03-28 12:26:20,579 INFO L347 BasicCegarLoop]: Found error trace [2018-03-28 12:26:20,579 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, 1, 1, 1, 1] [2018-03-28 12:26:20,579 INFO L408 AbstractCegarLoop]: === Iteration 7 === [__U_MULTI_fopenbsd_cstrncat_alloca_true_valid_memsafety_true_termination_i__cstrncatErr3RequiresViolation, __U_MULTI_fopenbsd_cstrncat_alloca_true_valid_memsafety_true_termination_i__cstrncatErr1RequiresViolation, __U_MULTI_fopenbsd_cstrncat_alloca_true_valid_memsafety_true_termination_i__cstrncatErr7RequiresViolation, __U_MULTI_fopenbsd_cstrncat_alloca_true_valid_memsafety_true_termination_i__cstrncatErr2RequiresViolation, __U_MULTI_fopenbsd_cstrncat_alloca_true_valid_memsafety_true_termination_i__cstrncatErr4RequiresViolation, __U_MULTI_fopenbsd_cstrncat_alloca_true_valid_memsafety_true_termination_i__cstrncatErr0RequiresViolation, __U_MULTI_fopenbsd_cstrncat_alloca_true_valid_memsafety_true_termination_i__cstrncatErr6RequiresViolation, __U_MULTI_fopenbsd_cstrncat_alloca_true_valid_memsafety_true_termination_i__cstrncatErr5RequiresViolation, mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-03-28 12:26:20,579 INFO L82 PathProgramCache]: Analyzing trace with hash -1704017820, 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 [2018-03-28 12:26:20,585 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-03-28 12:26:20,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-03-28 12:26:20,603 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-03-28 12:26:20,663 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-28 12:26:20,663 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-03-28 12:26:20,671 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 18 treesize of output 14 [2018-03-28 12:26:20,672 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-03-28 12:26:20,679 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 14 treesize of output 12 [2018-03-28 12:26:20,679 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-28 12:26:20,682 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-03-28 12:26:20,682 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:33, output treesize:7 [2018-03-28 12:26:20,696 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-28 12:26:20,717 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-03-28 12:26:20,717 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [9, 9] imperfect sequences [] total 9 [2018-03-28 12:26:20,717 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-03-28 12:26:20,718 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-03-28 12:26:20,718 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2018-03-28 12:26:20,718 INFO L87 Difference]: Start difference. First operand 89 states and 100 transitions. Second operand 10 states. [2018-03-28 12:26:20,902 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-03-28 12:26:20,902 INFO L93 Difference]: Finished difference Result 97 states and 103 transitions. [2018-03-28 12:26:20,902 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-03-28 12:26:20,903 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 34 [2018-03-28 12:26:20,903 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-03-28 12:26:20,904 INFO L225 Difference]: With dead ends: 97 [2018-03-28 12:26:20,904 INFO L226 Difference]: Without dead ends: 94 [2018-03-28 12:26:20,904 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 56 SyntacticMatches, 3 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=65, Invalid=207, Unknown=0, NotChecked=0, Total=272 [2018-03-28 12:26:20,905 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 94 states. [2018-03-28 12:26:20,911 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 94 to 89. [2018-03-28 12:26:20,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 89 states. [2018-03-28 12:26:20,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 89 states and 97 transitions. [2018-03-28 12:26:20,912 INFO L78 Accepts]: Start accepts. Automaton has 89 states and 97 transitions. Word has length 34 [2018-03-28 12:26:20,913 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-03-28 12:26:20,913 INFO L459 AbstractCegarLoop]: Abstraction has 89 states and 97 transitions. [2018-03-28 12:26:20,913 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-03-28 12:26:20,913 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 97 transitions. [2018-03-28 12:26:20,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-03-28 12:26:20,914 INFO L347 BasicCegarLoop]: Found error trace [2018-03-28 12:26:20,914 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-03-28 12:26:20,915 INFO L408 AbstractCegarLoop]: === Iteration 8 === [__U_MULTI_fopenbsd_cstrncat_alloca_true_valid_memsafety_true_termination_i__cstrncatErr3RequiresViolation, __U_MULTI_fopenbsd_cstrncat_alloca_true_valid_memsafety_true_termination_i__cstrncatErr1RequiresViolation, __U_MULTI_fopenbsd_cstrncat_alloca_true_valid_memsafety_true_termination_i__cstrncatErr7RequiresViolation, __U_MULTI_fopenbsd_cstrncat_alloca_true_valid_memsafety_true_termination_i__cstrncatErr2RequiresViolation, __U_MULTI_fopenbsd_cstrncat_alloca_true_valid_memsafety_true_termination_i__cstrncatErr4RequiresViolation, __U_MULTI_fopenbsd_cstrncat_alloca_true_valid_memsafety_true_termination_i__cstrncatErr0RequiresViolation, __U_MULTI_fopenbsd_cstrncat_alloca_true_valid_memsafety_true_termination_i__cstrncatErr6RequiresViolation, __U_MULTI_fopenbsd_cstrncat_alloca_true_valid_memsafety_true_termination_i__cstrncatErr5RequiresViolation, mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-03-28 12:26:20,915 INFO L82 PathProgramCache]: Analyzing trace with hash -1346865018, 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 [2018-03-28 12:26:20,922 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-03-28 12:26:20,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-03-28 12:26:20,948 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-03-28 12:26:20,975 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-28 12:26:20,975 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-03-28 12:26:20,980 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-28 12:26:21,001 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-03-28 12:26:21,002 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [6, 6] imperfect sequences [] total 6 [2018-03-28 12:26:21,002 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-03-28 12:26:21,002 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-03-28 12:26:21,002 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-03-28 12:26:21,002 INFO L87 Difference]: Start difference. First operand 89 states and 97 transitions. Second operand 7 states. [2018-03-28 12:26:21,069 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-03-28 12:26:21,069 INFO L93 Difference]: Finished difference Result 92 states and 100 transitions. [2018-03-28 12:26:21,069 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-03-28 12:26:21,069 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 40 [2018-03-28 12:26:21,069 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-03-28 12:26:21,070 INFO L225 Difference]: With dead ends: 92 [2018-03-28 12:26:21,070 INFO L226 Difference]: Without dead ends: 91 [2018-03-28 12:26:21,070 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 74 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2018-03-28 12:26:21,071 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 91 states. [2018-03-28 12:26:21,076 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 91 to 88. [2018-03-28 12:26:21,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 88 states. [2018-03-28 12:26:21,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 88 states and 95 transitions. [2018-03-28 12:26:21,077 INFO L78 Accepts]: Start accepts. Automaton has 88 states and 95 transitions. Word has length 40 [2018-03-28 12:26:21,078 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-03-28 12:26:21,078 INFO L459 AbstractCegarLoop]: Abstraction has 88 states and 95 transitions. [2018-03-28 12:26:21,078 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-03-28 12:26:21,078 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 95 transitions. [2018-03-28 12:26:21,079 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-03-28 12:26:21,079 INFO L347 BasicCegarLoop]: Found error trace [2018-03-28 12:26:21,079 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-03-28 12:26:21,079 INFO L408 AbstractCegarLoop]: === Iteration 9 === [__U_MULTI_fopenbsd_cstrncat_alloca_true_valid_memsafety_true_termination_i__cstrncatErr3RequiresViolation, __U_MULTI_fopenbsd_cstrncat_alloca_true_valid_memsafety_true_termination_i__cstrncatErr1RequiresViolation, __U_MULTI_fopenbsd_cstrncat_alloca_true_valid_memsafety_true_termination_i__cstrncatErr7RequiresViolation, __U_MULTI_fopenbsd_cstrncat_alloca_true_valid_memsafety_true_termination_i__cstrncatErr2RequiresViolation, __U_MULTI_fopenbsd_cstrncat_alloca_true_valid_memsafety_true_termination_i__cstrncatErr4RequiresViolation, __U_MULTI_fopenbsd_cstrncat_alloca_true_valid_memsafety_true_termination_i__cstrncatErr0RequiresViolation, __U_MULTI_fopenbsd_cstrncat_alloca_true_valid_memsafety_true_termination_i__cstrncatErr6RequiresViolation, __U_MULTI_fopenbsd_cstrncat_alloca_true_valid_memsafety_true_termination_i__cstrncatErr5RequiresViolation, mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-03-28 12:26:21,079 INFO L82 PathProgramCache]: Analyzing trace with hash -1346865017, now seen corresponding path program 1 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 [2018-03-28 12:26:21,085 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-03-28 12:26:21,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-03-28 12:26:21,104 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-03-28 12:26:21,178 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-28 12:26:21,178 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-03-28 12:26:21,188 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 [2018-03-28 12:26:21,189 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-03-28 12:26:21,195 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 [2018-03-28 12:26:21,196 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-28 12:26:21,198 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-03-28 12:26:21,199 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:29, output treesize:7 [2018-03-28 12:26:21,215 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-28 12:26:21,235 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-03-28 12:26:21,236 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [9, 9] imperfect sequences [] total 9 [2018-03-28 12:26:21,236 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-03-28 12:26:21,236 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-03-28 12:26:21,236 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2018-03-28 12:26:21,236 INFO L87 Difference]: Start difference. First operand 88 states and 95 transitions. Second operand 10 states. [2018-03-28 12:26:21,408 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-03-28 12:26:21,408 INFO L93 Difference]: Finished difference Result 89 states and 95 transitions. [2018-03-28 12:26:21,408 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-03-28 12:26:21,408 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 40 [2018-03-28 12:26:21,409 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-03-28 12:26:21,409 INFO L225 Difference]: With dead ends: 89 [2018-03-28 12:26:21,409 INFO L226 Difference]: Without dead ends: 88 [2018-03-28 12:26:21,410 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 86 GetRequests, 69 SyntacticMatches, 2 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=62, Invalid=210, Unknown=0, NotChecked=0, Total=272 [2018-03-28 12:26:21,410 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 88 states. [2018-03-28 12:26:21,416 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 88 to 88. [2018-03-28 12:26:21,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 88 states. [2018-03-28 12:26:21,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 88 states and 94 transitions. [2018-03-28 12:26:21,417 INFO L78 Accepts]: Start accepts. Automaton has 88 states and 94 transitions. Word has length 40 [2018-03-28 12:26:21,417 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-03-28 12:26:21,417 INFO L459 AbstractCegarLoop]: Abstraction has 88 states and 94 transitions. [2018-03-28 12:26:21,418 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-03-28 12:26:21,418 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 94 transitions. [2018-03-28 12:26:21,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-03-28 12:26:21,419 INFO L347 BasicCegarLoop]: Found error trace [2018-03-28 12:26:21,419 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-03-28 12:26:21,419 INFO L408 AbstractCegarLoop]: === Iteration 10 === [__U_MULTI_fopenbsd_cstrncat_alloca_true_valid_memsafety_true_termination_i__cstrncatErr3RequiresViolation, __U_MULTI_fopenbsd_cstrncat_alloca_true_valid_memsafety_true_termination_i__cstrncatErr1RequiresViolation, __U_MULTI_fopenbsd_cstrncat_alloca_true_valid_memsafety_true_termination_i__cstrncatErr7RequiresViolation, __U_MULTI_fopenbsd_cstrncat_alloca_true_valid_memsafety_true_termination_i__cstrncatErr2RequiresViolation, __U_MULTI_fopenbsd_cstrncat_alloca_true_valid_memsafety_true_termination_i__cstrncatErr4RequiresViolation, __U_MULTI_fopenbsd_cstrncat_alloca_true_valid_memsafety_true_termination_i__cstrncatErr0RequiresViolation, __U_MULTI_fopenbsd_cstrncat_alloca_true_valid_memsafety_true_termination_i__cstrncatErr6RequiresViolation, __U_MULTI_fopenbsd_cstrncat_alloca_true_valid_memsafety_true_termination_i__cstrncatErr5RequiresViolation, mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-03-28 12:26:21,419 INFO L82 PathProgramCache]: Analyzing trace with hash -509407784, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-03-28 12:26:21,426 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-03-28 12:26:21,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-03-28 12:26:21,447 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-03-28 12:26:21,483 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 12:26:21,484 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 27 [2018-03-28 12:26:21,487 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 15 [2018-03-28 12:26:21,487 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-28 12:26:21,491 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-28 12:26:21,496 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-03-28 12:26:21,496 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:23, output treesize:15 [2018-03-28 12:26:21,548 WARN L1033 $PredicateComparison]: unable to prove that (exists ((|main_#t~malloc11.base| Int)) (let ((.cse0 (store |c_old(#valid)| |main_#t~malloc11.base| 1))) (and (= 0 (select |c_old(#valid)| |main_#t~malloc11.base|)) (= |c_#valid| (store (store .cse0 |c_main_#t~malloc12.base| 1) |main_#t~malloc11.base| 0)) (= (select .cse0 |c_main_#t~malloc12.base|) 0)))) is different from true [2018-03-28 12:26:21,555 WARN L1033 $PredicateComparison]: unable to prove that (exists ((|main_#t~malloc11.base| Int) (|main_#t~malloc12.base| Int)) (let ((.cse0 (store |c_old(#valid)| |main_#t~malloc11.base| 1))) (and (= |c_#valid| (store (store (store .cse0 |main_#t~malloc12.base| 1) |main_#t~malloc11.base| 0) |main_#t~malloc12.base| 0)) (= 0 (select |c_old(#valid)| |main_#t~malloc11.base|)) (= (select .cse0 |main_#t~malloc12.base|) 0)))) is different from true [2018-03-28 12:26:21,561 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-28 12:26:21,561 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-03-28 12:26:21,608 WARN L1011 $PredicateComparison]: unable to prove that (forall ((|v_main_#t~malloc12.base_12| Int)) (or (= (store (store (store |c_#valid| |v_main_#t~malloc12.base_12| 1) |c_main_#t~malloc11.base| 0) |v_main_#t~malloc12.base_12| 0) |c_old(#valid)|) (not (= 0 (select |c_#valid| |v_main_#t~malloc12.base_12|))))) is different from false [2018-03-28 12:26:21,615 WARN L1011 $PredicateComparison]: unable to prove that (forall ((|v_main_#t~malloc12.base_12| Int) (|v_main_#t~malloc11.base_11| Int)) (let ((.cse0 (store |c_#valid| |v_main_#t~malloc11.base_11| 1))) (or (= (store (store (store .cse0 |v_main_#t~malloc12.base_12| 1) |v_main_#t~malloc11.base_11| 0) |v_main_#t~malloc12.base_12| 0) |c_old(#valid)|) (not (= (select .cse0 |v_main_#t~malloc12.base_12|) 0)) (not (= 0 (select |c_#valid| |v_main_#t~malloc11.base_11|)))))) is different from false [2018-03-28 12:26:21,647 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-28 12:26:21,669 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-03-28 12:26:21,669 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [7, 6] imperfect sequences [] total 11 [2018-03-28 12:26:21,670 INFO L442 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-03-28 12:26:21,670 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-03-28 12:26:21,670 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=45, Unknown=4, NotChecked=60, Total=132 [2018-03-28 12:26:21,670 INFO L87 Difference]: Start difference. First operand 88 states and 94 transitions. Second operand 12 states. [2018-03-28 12:26:21,679 WARN L1011 $PredicateComparison]: unable to prove that (and (= |c_#valid| |c_old(#valid)|) (forall ((|v_main_#t~malloc12.base_12| Int) (|v_main_#t~malloc11.base_11| Int)) (let ((.cse0 (store |c_#valid| |v_main_#t~malloc11.base_11| 1))) (or (= (store (store (store .cse0 |v_main_#t~malloc12.base_12| 1) |v_main_#t~malloc11.base_11| 0) |v_main_#t~malloc12.base_12| 0) |c_old(#valid)|) (not (= (select .cse0 |v_main_#t~malloc12.base_12|) 0)) (not (= 0 (select |c_#valid| |v_main_#t~malloc11.base_11|))))))) is different from false [2018-03-28 12:26:22,049 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-03-28 12:26:22,050 INFO L93 Difference]: Finished difference Result 157 states and 168 transitions. [2018-03-28 12:26:22,050 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-03-28 12:26:22,050 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 40 [2018-03-28 12:26:22,050 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-03-28 12:26:22,051 INFO L225 Difference]: With dead ends: 157 [2018-03-28 12:26:22,051 INFO L226 Difference]: Without dead ends: 143 [2018-03-28 12:26:22,052 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 87 GetRequests, 69 SyntacticMatches, 2 SemanticMatches, 16 ConstructedPredicates, 5 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=45, Invalid=125, Unknown=6, NotChecked=130, Total=306 [2018-03-28 12:26:22,052 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 143 states. [2018-03-28 12:26:22,060 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 143 to 136. [2018-03-28 12:26:22,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 136 states. [2018-03-28 12:26:22,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 136 states and 152 transitions. [2018-03-28 12:26:22,062 INFO L78 Accepts]: Start accepts. Automaton has 136 states and 152 transitions. Word has length 40 [2018-03-28 12:26:22,062 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-03-28 12:26:22,062 INFO L459 AbstractCegarLoop]: Abstraction has 136 states and 152 transitions. [2018-03-28 12:26:22,062 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-03-28 12:26:22,062 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 152 transitions. [2018-03-28 12:26:22,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2018-03-28 12:26:22,063 INFO L347 BasicCegarLoop]: Found error trace [2018-03-28 12:26:22,063 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-03-28 12:26:22,064 INFO L408 AbstractCegarLoop]: === Iteration 11 === [__U_MULTI_fopenbsd_cstrncat_alloca_true_valid_memsafety_true_termination_i__cstrncatErr3RequiresViolation, __U_MULTI_fopenbsd_cstrncat_alloca_true_valid_memsafety_true_termination_i__cstrncatErr1RequiresViolation, __U_MULTI_fopenbsd_cstrncat_alloca_true_valid_memsafety_true_termination_i__cstrncatErr7RequiresViolation, __U_MULTI_fopenbsd_cstrncat_alloca_true_valid_memsafety_true_termination_i__cstrncatErr2RequiresViolation, __U_MULTI_fopenbsd_cstrncat_alloca_true_valid_memsafety_true_termination_i__cstrncatErr4RequiresViolation, __U_MULTI_fopenbsd_cstrncat_alloca_true_valid_memsafety_true_termination_i__cstrncatErr0RequiresViolation, __U_MULTI_fopenbsd_cstrncat_alloca_true_valid_memsafety_true_termination_i__cstrncatErr6RequiresViolation, __U_MULTI_fopenbsd_cstrncat_alloca_true_valid_memsafety_true_termination_i__cstrncatErr5RequiresViolation, mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-03-28 12:26:22,064 INFO L82 PathProgramCache]: Analyzing trace with hash 570993852, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-03-28 12:26:22,072 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-03-28 12:26:22,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-03-28 12:26:22,097 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-03-28 12:26:22,125 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 12:26:22,126 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 27 [2018-03-28 12:26:22,128 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 15 [2018-03-28 12:26:22,129 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-28 12:26:22,133 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-28 12:26:22,137 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-03-28 12:26:22,138 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:23, output treesize:15 [2018-03-28 12:26:22,178 WARN L1033 $PredicateComparison]: unable to prove that (exists ((|main_#t~malloc11.base| Int)) (let ((.cse0 (store |c_old(#valid)| |main_#t~malloc11.base| 1))) (and (= 0 (select |c_old(#valid)| |main_#t~malloc11.base|)) (= |c_#valid| (store (store .cse0 |c_main_#t~malloc12.base| 1) |main_#t~malloc11.base| 0)) (= (select .cse0 |c_main_#t~malloc12.base|) 0)))) is different from true [2018-03-28 12:26:22,191 WARN L1033 $PredicateComparison]: unable to prove that (exists ((|main_#t~malloc11.base| Int) (|main_#t~malloc12.base| Int)) (let ((.cse0 (store |c_old(#valid)| |main_#t~malloc11.base| 1))) (and (= |c_#valid| (store (store (store .cse0 |main_#t~malloc12.base| 1) |main_#t~malloc11.base| 0) |main_#t~malloc12.base| 0)) (= 0 (select |c_old(#valid)| |main_#t~malloc11.base|)) (= (select .cse0 |main_#t~malloc12.base|) 0)))) is different from true [2018-03-28 12:26:22,198 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-28 12:26:22,198 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-03-28 12:26:22,235 WARN L1011 $PredicateComparison]: unable to prove that (forall ((|v_main_#t~malloc12.base_14| Int)) (or (= |c_old(#valid)| (store (store (store |c_#valid| |v_main_#t~malloc12.base_14| 1) |c_main_#t~malloc11.base| 0) |v_main_#t~malloc12.base_14| 0)) (not (= 0 (select |c_#valid| |v_main_#t~malloc12.base_14|))))) is different from false [2018-03-28 12:26:22,244 WARN L1011 $PredicateComparison]: unable to prove that (forall ((|v_main_#t~malloc11.base_13| Int) (|v_main_#t~malloc12.base_14| Int)) (let ((.cse0 (store |c_#valid| |v_main_#t~malloc11.base_13| 1))) (or (not (= 0 (select .cse0 |v_main_#t~malloc12.base_14|))) (= (store (store (store .cse0 |v_main_#t~malloc12.base_14| 1) |v_main_#t~malloc11.base_13| 0) |v_main_#t~malloc12.base_14| 0) |c_old(#valid)|) (not (= 0 (select |c_#valid| |v_main_#t~malloc11.base_13|)))))) is different from false [2018-03-28 12:26:22,286 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-28 12:26:22,321 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-03-28 12:26:22,321 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [7, 6] imperfect sequences [] total 11 [2018-03-28 12:26:22,322 INFO L442 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-03-28 12:26:22,322 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-03-28 12:26:22,322 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=45, Unknown=4, NotChecked=60, Total=132 [2018-03-28 12:26:22,322 INFO L87 Difference]: Start difference. First operand 136 states and 152 transitions. Second operand 12 states. [2018-03-28 12:26:22,344 WARN L1011 $PredicateComparison]: unable to prove that (and (= |c_#valid| |c_old(#valid)|) (forall ((|v_main_#t~malloc11.base_13| Int) (|v_main_#t~malloc12.base_14| Int)) (let ((.cse0 (store |c_#valid| |v_main_#t~malloc11.base_13| 1))) (or (not (= 0 (select .cse0 |v_main_#t~malloc12.base_14|))) (= (store (store (store .cse0 |v_main_#t~malloc12.base_14| 1) |v_main_#t~malloc11.base_13| 0) |v_main_#t~malloc12.base_14| 0) |c_old(#valid)|) (not (= 0 (select |c_#valid| |v_main_#t~malloc11.base_13|))))))) is different from false [2018-03-28 12:26:22,815 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-03-28 12:26:22,816 INFO L93 Difference]: Finished difference Result 205 states and 225 transitions. [2018-03-28 12:26:22,816 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-03-28 12:26:22,816 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 41 [2018-03-28 12:26:22,816 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-03-28 12:26:22,817 INFO L225 Difference]: With dead ends: 205 [2018-03-28 12:26:22,818 INFO L226 Difference]: Without dead ends: 191 [2018-03-28 12:26:22,818 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 89 GetRequests, 71 SyntacticMatches, 2 SemanticMatches, 16 ConstructedPredicates, 5 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=45, Invalid=125, Unknown=6, NotChecked=130, Total=306 [2018-03-28 12:26:22,819 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 191 states. [2018-03-28 12:26:22,828 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 191 to 137. [2018-03-28 12:26:22,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 137 states. [2018-03-28 12:26:22,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 137 states and 153 transitions. [2018-03-28 12:26:22,829 INFO L78 Accepts]: Start accepts. Automaton has 137 states and 153 transitions. Word has length 41 [2018-03-28 12:26:22,829 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-03-28 12:26:22,830 INFO L459 AbstractCegarLoop]: Abstraction has 137 states and 153 transitions. [2018-03-28 12:26:22,830 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-03-28 12:26:22,830 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 153 transitions. [2018-03-28 12:26:22,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2018-03-28 12:26:22,831 INFO L347 BasicCegarLoop]: Found error trace [2018-03-28 12:26:22,831 INFO L355 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-03-28 12:26:22,831 INFO L408 AbstractCegarLoop]: === Iteration 12 === [__U_MULTI_fopenbsd_cstrncat_alloca_true_valid_memsafety_true_termination_i__cstrncatErr3RequiresViolation, __U_MULTI_fopenbsd_cstrncat_alloca_true_valid_memsafety_true_termination_i__cstrncatErr1RequiresViolation, __U_MULTI_fopenbsd_cstrncat_alloca_true_valid_memsafety_true_termination_i__cstrncatErr7RequiresViolation, __U_MULTI_fopenbsd_cstrncat_alloca_true_valid_memsafety_true_termination_i__cstrncatErr2RequiresViolation, __U_MULTI_fopenbsd_cstrncat_alloca_true_valid_memsafety_true_termination_i__cstrncatErr4RequiresViolation, __U_MULTI_fopenbsd_cstrncat_alloca_true_valid_memsafety_true_termination_i__cstrncatErr0RequiresViolation, __U_MULTI_fopenbsd_cstrncat_alloca_true_valid_memsafety_true_termination_i__cstrncatErr6RequiresViolation, __U_MULTI_fopenbsd_cstrncat_alloca_true_valid_memsafety_true_termination_i__cstrncatErr5RequiresViolation, mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-03-28 12:26:22,831 INFO L82 PathProgramCache]: Analyzing trace with hash -357346301, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-03-28 12:26:22,841 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-03-28 12:26:22,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-03-28 12:26:22,867 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-03-28 12:26:22,895 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-03-28 12:26:22,895 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-03-28 12:26:22,911 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-03-28 12:26:22,934 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-03-28 12:26:22,934 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [6, 6] imperfect sequences [] total 6 [2018-03-28 12:26:22,934 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-03-28 12:26:22,934 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-03-28 12:26:22,934 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-03-28 12:26:22,934 INFO L87 Difference]: Start difference. First operand 137 states and 153 transitions. Second operand 7 states. [2018-03-28 12:26:23,014 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-03-28 12:26:23,014 INFO L93 Difference]: Finished difference Result 140 states and 156 transitions. [2018-03-28 12:26:23,014 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-03-28 12:26:23,015 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 41 [2018-03-28 12:26:23,015 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-03-28 12:26:23,015 INFO L225 Difference]: With dead ends: 140 [2018-03-28 12:26:23,015 INFO L226 Difference]: Without dead ends: 139 [2018-03-28 12:26:23,016 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 84 GetRequests, 76 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2018-03-28 12:26:23,016 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 139 states. [2018-03-28 12:26:23,023 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 139 to 136. [2018-03-28 12:26:23,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 136 states. [2018-03-28 12:26:23,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 136 states and 151 transitions. [2018-03-28 12:26:23,024 INFO L78 Accepts]: Start accepts. Automaton has 136 states and 151 transitions. Word has length 41 [2018-03-28 12:26:23,025 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-03-28 12:26:23,025 INFO L459 AbstractCegarLoop]: Abstraction has 136 states and 151 transitions. [2018-03-28 12:26:23,025 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-03-28 12:26:23,025 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 151 transitions. [2018-03-28 12:26:23,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2018-03-28 12:26:23,025 INFO L347 BasicCegarLoop]: Found error trace [2018-03-28 12:26:23,025 INFO L355 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-03-28 12:26:23,025 INFO L408 AbstractCegarLoop]: === Iteration 13 === [__U_MULTI_fopenbsd_cstrncat_alloca_true_valid_memsafety_true_termination_i__cstrncatErr3RequiresViolation, __U_MULTI_fopenbsd_cstrncat_alloca_true_valid_memsafety_true_termination_i__cstrncatErr1RequiresViolation, __U_MULTI_fopenbsd_cstrncat_alloca_true_valid_memsafety_true_termination_i__cstrncatErr7RequiresViolation, __U_MULTI_fopenbsd_cstrncat_alloca_true_valid_memsafety_true_termination_i__cstrncatErr2RequiresViolation, __U_MULTI_fopenbsd_cstrncat_alloca_true_valid_memsafety_true_termination_i__cstrncatErr4RequiresViolation, __U_MULTI_fopenbsd_cstrncat_alloca_true_valid_memsafety_true_termination_i__cstrncatErr0RequiresViolation, __U_MULTI_fopenbsd_cstrncat_alloca_true_valid_memsafety_true_termination_i__cstrncatErr6RequiresViolation, __U_MULTI_fopenbsd_cstrncat_alloca_true_valid_memsafety_true_termination_i__cstrncatErr5RequiresViolation, mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-03-28 12:26:23,026 INFO L82 PathProgramCache]: Analyzing trace with hash -357346300, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-03-28 12:26:23,032 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-03-28 12:26:23,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-03-28 12:26:23,051 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-03-28 12:26:23,096 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 [2018-03-28 12:26:23,096 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-03-28 12:26:23,106 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 [2018-03-28 12:26:23,106 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-28 12:26:23,112 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-28 12:26:23,112 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:24, output treesize:19 [2018-03-28 12:26:23,130 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 12:26:23,131 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 12:26:23,131 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 23 [2018-03-28 12:26:23,132 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-03-28 12:26:23,142 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 12:26:23,143 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 12:26:23,143 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 4 [2018-03-28 12:26:23,143 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-28 12:26:23,149 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-28 12:26:23,149 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:30, output treesize:18 [2018-03-28 12:26:23,239 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-28 12:26:23,239 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-03-28 12:26:23,439 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 3 [2018-03-28 12:26:23,440 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-03-28 12:26:23,443 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 15 [2018-03-28 12:26:23,452 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 3 [2018-03-28 12:26:23,452 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-03-28 12:26:23,453 WARN L307 Elim1Store]: Array PQE input equivalent to true [2018-03-28 12:26:23,453 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-03-28 12:26:23,455 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-28 12:26:23,457 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-28 12:26:23,458 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:21, output treesize:3 [2018-03-28 12:26:23,489 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-28 12:26:23,511 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-03-28 12:26:23,511 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 12] total 23 [2018-03-28 12:26:23,511 INFO L442 AbstractCegarLoop]: Interpolant automaton has 24 states [2018-03-28 12:26:23,511 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2018-03-28 12:26:23,512 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=63, Invalid=489, Unknown=0, NotChecked=0, Total=552 [2018-03-28 12:26:23,512 INFO L87 Difference]: Start difference. First operand 136 states and 151 transitions. Second operand 24 states. [2018-03-28 12:26:24,043 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-03-28 12:26:24,043 INFO L93 Difference]: Finished difference Result 218 states and 240 transitions. [2018-03-28 12:26:24,043 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-03-28 12:26:24,043 INFO L78 Accepts]: Start accepts. Automaton has 24 states. Word has length 41 [2018-03-28 12:26:24,044 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-03-28 12:26:24,044 INFO L225 Difference]: With dead ends: 218 [2018-03-28 12:26:24,045 INFO L226 Difference]: Without dead ends: 217 [2018-03-28 12:26:24,046 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 93 GetRequests, 58 SyntacticMatches, 1 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 208 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=197, Invalid=1063, Unknown=0, NotChecked=0, Total=1260 [2018-03-28 12:26:24,046 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 217 states. [2018-03-28 12:26:24,055 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 217 to 150. [2018-03-28 12:26:24,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 150 states. [2018-03-28 12:26:24,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 150 states and 167 transitions. [2018-03-28 12:26:24,056 INFO L78 Accepts]: Start accepts. Automaton has 150 states and 167 transitions. Word has length 41 [2018-03-28 12:26:24,056 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-03-28 12:26:24,057 INFO L459 AbstractCegarLoop]: Abstraction has 150 states and 167 transitions. [2018-03-28 12:26:24,057 INFO L460 AbstractCegarLoop]: Interpolant automaton has 24 states. [2018-03-28 12:26:24,057 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 167 transitions. [2018-03-28 12:26:24,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2018-03-28 12:26:24,057 INFO L347 BasicCegarLoop]: Found error trace [2018-03-28 12:26:24,057 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-03-28 12:26:24,057 INFO L408 AbstractCegarLoop]: === Iteration 14 === [__U_MULTI_fopenbsd_cstrncat_alloca_true_valid_memsafety_true_termination_i__cstrncatErr3RequiresViolation, __U_MULTI_fopenbsd_cstrncat_alloca_true_valid_memsafety_true_termination_i__cstrncatErr1RequiresViolation, __U_MULTI_fopenbsd_cstrncat_alloca_true_valid_memsafety_true_termination_i__cstrncatErr7RequiresViolation, __U_MULTI_fopenbsd_cstrncat_alloca_true_valid_memsafety_true_termination_i__cstrncatErr2RequiresViolation, __U_MULTI_fopenbsd_cstrncat_alloca_true_valid_memsafety_true_termination_i__cstrncatErr4RequiresViolation, __U_MULTI_fopenbsd_cstrncat_alloca_true_valid_memsafety_true_termination_i__cstrncatErr0RequiresViolation, __U_MULTI_fopenbsd_cstrncat_alloca_true_valid_memsafety_true_termination_i__cstrncatErr6RequiresViolation, __U_MULTI_fopenbsd_cstrncat_alloca_true_valid_memsafety_true_termination_i__cstrncatErr5RequiresViolation, mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-03-28 12:26:24,058 INFO L82 PathProgramCache]: Analyzing trace with hash 37730935, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-03-28 12:26:24,063 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-03-28 12:26:24,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-03-28 12:26:24,080 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-03-28 12:26:24,108 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 12:26:24,109 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 27 [2018-03-28 12:26:24,111 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 15 [2018-03-28 12:26:24,111 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-28 12:26:24,114 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-28 12:26:24,118 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-03-28 12:26:24,118 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:23, output treesize:15 [2018-03-28 12:26:24,170 WARN L1033 $PredicateComparison]: unable to prove that (exists ((|main_#t~malloc11.base| Int)) (let ((.cse0 (store |c_old(#valid)| |main_#t~malloc11.base| 1))) (and (= 0 (select |c_old(#valid)| |main_#t~malloc11.base|)) (= |c_#valid| (store (store .cse0 |c_main_#t~malloc12.base| 1) |main_#t~malloc11.base| 0)) (= (select .cse0 |c_main_#t~malloc12.base|) 0)))) is different from true [2018-03-28 12:26:24,174 WARN L1033 $PredicateComparison]: unable to prove that (exists ((|main_#t~malloc11.base| Int) (|main_#t~malloc12.base| Int)) (let ((.cse0 (store |c_old(#valid)| |main_#t~malloc11.base| 1))) (and (= |c_#valid| (store (store (store .cse0 |main_#t~malloc12.base| 1) |main_#t~malloc11.base| 0) |main_#t~malloc12.base| 0)) (= 0 (select |c_old(#valid)| |main_#t~malloc11.base|)) (= (select .cse0 |main_#t~malloc12.base|) 0)))) is different from true [2018-03-28 12:26:24,180 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-28 12:26:24,180 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-03-28 12:26:24,196 WARN L1011 $PredicateComparison]: unable to prove that (forall ((|v_main_#t~malloc12.base_17| Int)) (or (not (= 0 (select |c_#valid| |v_main_#t~malloc12.base_17|))) (= |c_old(#valid)| (store (store (store |c_#valid| |v_main_#t~malloc12.base_17| 1) |c_main_#t~malloc11.base| 0) |v_main_#t~malloc12.base_17| 0)))) is different from false [2018-03-28 12:26:24,199 WARN L1011 $PredicateComparison]: unable to prove that (forall ((|v_main_#t~malloc11.base_16| Int) (|v_main_#t~malloc12.base_17| Int)) (let ((.cse0 (store |c_#valid| |v_main_#t~malloc11.base_16| 1))) (or (not (= 0 (select |c_#valid| |v_main_#t~malloc11.base_16|))) (= (store (store (store .cse0 |v_main_#t~malloc12.base_17| 1) |v_main_#t~malloc11.base_16| 0) |v_main_#t~malloc12.base_17| 0) |c_old(#valid)|) (not (= (select .cse0 |v_main_#t~malloc12.base_17|) 0))))) is different from false [2018-03-28 12:26:24,215 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-28 12:26:24,236 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-03-28 12:26:24,236 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [7, 6] imperfect sequences [] total 11 [2018-03-28 12:26:24,236 INFO L442 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-03-28 12:26:24,236 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-03-28 12:26:24,236 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=45, Unknown=4, NotChecked=60, Total=132 [2018-03-28 12:26:24,237 INFO L87 Difference]: Start difference. First operand 150 states and 167 transitions. Second operand 12 states. [2018-03-28 12:26:24,245 WARN L1011 $PredicateComparison]: unable to prove that (and (= |c_#valid| |c_old(#valid)|) (forall ((|v_main_#t~malloc11.base_16| Int) (|v_main_#t~malloc12.base_17| Int)) (let ((.cse0 (store |c_#valid| |v_main_#t~malloc11.base_16| 1))) (or (not (= 0 (select |c_#valid| |v_main_#t~malloc11.base_16|))) (= (store (store (store .cse0 |v_main_#t~malloc12.base_17| 1) |v_main_#t~malloc11.base_16| 0) |v_main_#t~malloc12.base_17| 0) |c_old(#valid)|) (not (= (select .cse0 |v_main_#t~malloc12.base_17|) 0)))))) is different from false [2018-03-28 12:26:24,606 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-03-28 12:26:24,606 INFO L93 Difference]: Finished difference Result 225 states and 247 transitions. [2018-03-28 12:26:24,607 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-03-28 12:26:24,607 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 41 [2018-03-28 12:26:24,607 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-03-28 12:26:24,608 INFO L225 Difference]: With dead ends: 225 [2018-03-28 12:26:24,608 INFO L226 Difference]: Without dead ends: 211 [2018-03-28 12:26:24,608 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 89 GetRequests, 71 SyntacticMatches, 2 SemanticMatches, 16 ConstructedPredicates, 5 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=45, Invalid=125, Unknown=6, NotChecked=130, Total=306 [2018-03-28 12:26:24,609 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 211 states. [2018-03-28 12:26:24,616 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 211 to 152. [2018-03-28 12:26:24,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 152 states. [2018-03-28 12:26:24,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 152 states and 170 transitions. [2018-03-28 12:26:24,617 INFO L78 Accepts]: Start accepts. Automaton has 152 states and 170 transitions. Word has length 41 [2018-03-28 12:26:24,617 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-03-28 12:26:24,617 INFO L459 AbstractCegarLoop]: Abstraction has 152 states and 170 transitions. [2018-03-28 12:26:24,617 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-03-28 12:26:24,617 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 170 transitions. [2018-03-28 12:26:24,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2018-03-28 12:26:24,618 INFO L347 BasicCegarLoop]: Found error trace [2018-03-28 12:26:24,618 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-03-28 12:26:24,618 INFO L408 AbstractCegarLoop]: === Iteration 15 === [__U_MULTI_fopenbsd_cstrncat_alloca_true_valid_memsafety_true_termination_i__cstrncatErr3RequiresViolation, __U_MULTI_fopenbsd_cstrncat_alloca_true_valid_memsafety_true_termination_i__cstrncatErr1RequiresViolation, __U_MULTI_fopenbsd_cstrncat_alloca_true_valid_memsafety_true_termination_i__cstrncatErr7RequiresViolation, __U_MULTI_fopenbsd_cstrncat_alloca_true_valid_memsafety_true_termination_i__cstrncatErr2RequiresViolation, __U_MULTI_fopenbsd_cstrncat_alloca_true_valid_memsafety_true_termination_i__cstrncatErr4RequiresViolation, __U_MULTI_fopenbsd_cstrncat_alloca_true_valid_memsafety_true_termination_i__cstrncatErr0RequiresViolation, __U_MULTI_fopenbsd_cstrncat_alloca_true_valid_memsafety_true_termination_i__cstrncatErr6RequiresViolation, __U_MULTI_fopenbsd_cstrncat_alloca_true_valid_memsafety_true_termination_i__cstrncatErr5RequiresViolation, mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-03-28 12:26:24,618 INFO L82 PathProgramCache]: Analyzing trace with hash -77724905, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-03-28 12:26:24,624 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-03-28 12:26:24,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-03-28 12:26:24,640 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-03-28 12:26:24,651 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-28 12:26:24,651 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-03-28 12:26:24,665 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-28 12:26:24,686 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-03-28 12:26:24,686 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 7 [2018-03-28 12:26:24,686 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-03-28 12:26:24,686 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-03-28 12:26:24,686 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-03-28 12:26:24,686 INFO L87 Difference]: Start difference. First operand 152 states and 170 transitions. Second operand 7 states. [2018-03-28 12:26:24,720 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-03-28 12:26:24,720 INFO L93 Difference]: Finished difference Result 226 states and 248 transitions. [2018-03-28 12:26:24,721 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-03-28 12:26:24,721 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 41 [2018-03-28 12:26:24,721 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-03-28 12:26:24,722 INFO L225 Difference]: With dead ends: 226 [2018-03-28 12:26:24,722 INFO L226 Difference]: Without dead ends: 148 [2018-03-28 12:26:24,723 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 75 SyntacticMatches, 1 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-03-28 12:26:24,723 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 148 states. [2018-03-28 12:26:24,734 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 148 to 148. [2018-03-28 12:26:24,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 148 states. [2018-03-28 12:26:24,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 148 states and 163 transitions. [2018-03-28 12:26:24,735 INFO L78 Accepts]: Start accepts. Automaton has 148 states and 163 transitions. Word has length 41 [2018-03-28 12:26:24,735 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-03-28 12:26:24,735 INFO L459 AbstractCegarLoop]: Abstraction has 148 states and 163 transitions. [2018-03-28 12:26:24,735 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-03-28 12:26:24,735 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 163 transitions. [2018-03-28 12:26:24,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-03-28 12:26:24,736 INFO L347 BasicCegarLoop]: Found error trace [2018-03-28 12:26:24,736 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-03-28 12:26:24,736 INFO L408 AbstractCegarLoop]: === Iteration 16 === [__U_MULTI_fopenbsd_cstrncat_alloca_true_valid_memsafety_true_termination_i__cstrncatErr3RequiresViolation, __U_MULTI_fopenbsd_cstrncat_alloca_true_valid_memsafety_true_termination_i__cstrncatErr1RequiresViolation, __U_MULTI_fopenbsd_cstrncat_alloca_true_valid_memsafety_true_termination_i__cstrncatErr7RequiresViolation, __U_MULTI_fopenbsd_cstrncat_alloca_true_valid_memsafety_true_termination_i__cstrncatErr2RequiresViolation, __U_MULTI_fopenbsd_cstrncat_alloca_true_valid_memsafety_true_termination_i__cstrncatErr4RequiresViolation, __U_MULTI_fopenbsd_cstrncat_alloca_true_valid_memsafety_true_termination_i__cstrncatErr0RequiresViolation, __U_MULTI_fopenbsd_cstrncat_alloca_true_valid_memsafety_true_termination_i__cstrncatErr6RequiresViolation, __U_MULTI_fopenbsd_cstrncat_alloca_true_valid_memsafety_true_termination_i__cstrncatErr5RequiresViolation, mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-03-28 12:26:24,736 INFO L82 PathProgramCache]: Analyzing trace with hash -829556717, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-03-28 12:26:24,742 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-03-28 12:26:24,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-03-28 12:26:24,757 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-03-28 12:26:24,788 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 12:26:24,789 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 21 [2018-03-28 12:26:24,791 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 12:26:24,791 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 21 [2018-03-28 12:26:24,792 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-28 12:26:24,806 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-28 12:26:24,811 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-03-28 12:26:24,811 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:23, output treesize:15 [2018-03-28 12:26:24,834 WARN L1033 $PredicateComparison]: unable to prove that (exists ((|main_#t~malloc11.base| Int)) (let ((.cse0 (store |c_old(#valid)| |main_#t~malloc11.base| 1))) (and (= 0 (select |c_old(#valid)| |main_#t~malloc11.base|)) (= |c_#valid| (store (store .cse0 |c_main_#t~malloc12.base| 1) |main_#t~malloc11.base| 0)) (= (select .cse0 |c_main_#t~malloc12.base|) 0)))) is different from true [2018-03-28 12:26:24,853 WARN L1033 $PredicateComparison]: unable to prove that (exists ((|main_#t~malloc11.base| Int) (|main_#t~malloc12.base| Int)) (let ((.cse0 (store |c_old(#valid)| |main_#t~malloc11.base| 1))) (and (= |c_#valid| (store (store (store .cse0 |main_#t~malloc12.base| 1) |main_#t~malloc11.base| 0) |main_#t~malloc12.base| 0)) (= 0 (select |c_old(#valid)| |main_#t~malloc11.base|)) (= (select .cse0 |main_#t~malloc12.base|) 0)))) is different from true [2018-03-28 12:26:24,866 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-28 12:26:24,866 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-03-28 12:26:24,909 WARN L1011 $PredicateComparison]: unable to prove that (forall ((|v_main_#t~malloc12.base_21| Int)) (or (= |c_old(#valid)| (store (store (store |c_#valid| |v_main_#t~malloc12.base_21| 1) |c_main_#t~malloc11.base| 0) |v_main_#t~malloc12.base_21| 0)) (not (= 0 (select |c_#valid| |v_main_#t~malloc12.base_21|))))) is different from false [2018-03-28 12:26:24,912 WARN L1011 $PredicateComparison]: unable to prove that (forall ((|v_main_#t~malloc11.base_20| Int) (|v_main_#t~malloc12.base_21| Int)) (let ((.cse0 (store |c_#valid| |v_main_#t~malloc11.base_20| 1))) (or (not (= (select .cse0 |v_main_#t~malloc12.base_21|) 0)) (not (= 0 (select |c_#valid| |v_main_#t~malloc11.base_20|))) (= (store (store (store .cse0 |v_main_#t~malloc12.base_21| 1) |v_main_#t~malloc11.base_20| 0) |v_main_#t~malloc12.base_21| 0) |c_old(#valid)|)))) is different from false [2018-03-28 12:26:24,933 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-28 12:26:24,955 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-03-28 12:26:24,955 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [7, 6] imperfect sequences [] total 11 [2018-03-28 12:26:24,956 INFO L442 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-03-28 12:26:24,956 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-03-28 12:26:24,956 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=45, Unknown=4, NotChecked=60, Total=132 [2018-03-28 12:26:24,957 INFO L87 Difference]: Start difference. First operand 148 states and 163 transitions. Second operand 12 states. [2018-03-28 12:26:24,965 WARN L1011 $PredicateComparison]: unable to prove that (and (= |c_#valid| |c_old(#valid)|) (forall ((|v_main_#t~malloc11.base_20| Int) (|v_main_#t~malloc12.base_21| Int)) (let ((.cse0 (store |c_#valid| |v_main_#t~malloc11.base_20| 1))) (or (not (= (select .cse0 |v_main_#t~malloc12.base_21|) 0)) (not (= 0 (select |c_#valid| |v_main_#t~malloc11.base_20|))) (= (store (store (store .cse0 |v_main_#t~malloc12.base_21| 1) |v_main_#t~malloc11.base_20| 0) |v_main_#t~malloc12.base_21| 0) |c_old(#valid)|))))) is different from false [2018-03-28 12:26:25,237 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-03-28 12:26:25,291 INFO L93 Difference]: Finished difference Result 154 states and 163 transitions. [2018-03-28 12:26:25,291 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-03-28 12:26:25,291 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 42 [2018-03-28 12:26:25,291 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-03-28 12:26:25,292 INFO L225 Difference]: With dead ends: 154 [2018-03-28 12:26:25,292 INFO L226 Difference]: Without dead ends: 140 [2018-03-28 12:26:25,293 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 91 GetRequests, 73 SyntacticMatches, 2 SemanticMatches, 16 ConstructedPredicates, 5 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=45, Invalid=125, Unknown=6, NotChecked=130, Total=306 [2018-03-28 12:26:25,293 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 140 states. [2018-03-28 12:26:25,300 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 140 to 79. [2018-03-28 12:26:25,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 79 states. [2018-03-28 12:26:25,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 79 states and 83 transitions. [2018-03-28 12:26:25,301 INFO L78 Accepts]: Start accepts. Automaton has 79 states and 83 transitions. Word has length 42 [2018-03-28 12:26:25,301 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-03-28 12:26:25,302 INFO L459 AbstractCegarLoop]: Abstraction has 79 states and 83 transitions. [2018-03-28 12:26:25,302 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-03-28 12:26:25,302 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 83 transitions. [2018-03-28 12:26:25,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-03-28 12:26:25,302 INFO L347 BasicCegarLoop]: Found error trace [2018-03-28 12:26:25,303 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-03-28 12:26:25,303 INFO L408 AbstractCegarLoop]: === Iteration 17 === [__U_MULTI_fopenbsd_cstrncat_alloca_true_valid_memsafety_true_termination_i__cstrncatErr3RequiresViolation, __U_MULTI_fopenbsd_cstrncat_alloca_true_valid_memsafety_true_termination_i__cstrncatErr1RequiresViolation, __U_MULTI_fopenbsd_cstrncat_alloca_true_valid_memsafety_true_termination_i__cstrncatErr7RequiresViolation, __U_MULTI_fopenbsd_cstrncat_alloca_true_valid_memsafety_true_termination_i__cstrncatErr2RequiresViolation, __U_MULTI_fopenbsd_cstrncat_alloca_true_valid_memsafety_true_termination_i__cstrncatErr4RequiresViolation, __U_MULTI_fopenbsd_cstrncat_alloca_true_valid_memsafety_true_termination_i__cstrncatErr0RequiresViolation, __U_MULTI_fopenbsd_cstrncat_alloca_true_valid_memsafety_true_termination_i__cstrncatErr6RequiresViolation, __U_MULTI_fopenbsd_cstrncat_alloca_true_valid_memsafety_true_termination_i__cstrncatErr5RequiresViolation, mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-03-28 12:26:25,303 INFO L82 PathProgramCache]: Analyzing trace with hash -1083216796, now seen corresponding path program 2 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 18 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 18 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-03-28 12:26:25,309 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-03-28 12:26:25,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-03-28 12:26:25,327 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-03-28 12:26:25,335 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 [2018-03-28 12:26:25,335 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-03-28 12:26:25,339 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-28 12:26:25,339 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:15, output treesize:14 [2018-03-28 12:26:25,353 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 12:26:25,353 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 12:26:25,355 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 4 [2018-03-28 12:26:25,355 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-03-28 12:26:25,359 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-28 12:26:25,360 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:19, output treesize:13 [2018-03-28 12:26:25,381 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 14 [2018-03-28 12:26:25,383 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 14 treesize of output 13 [2018-03-28 12:26:25,383 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-28 12:26:25,385 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-28 12:26:25,392 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-03-28 12:26:25,392 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:39, output treesize:35 [2018-03-28 12:26:25,411 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 29 [2018-03-28 12:26:25,413 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 [2018-03-28 12:26:25,413 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-28 12:26:25,417 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-28 12:26:25,424 INFO L267 ElimStorePlain]: Start of recursive call 1: 5 dim-0 vars, 1 dim-2 vars, End of recursive call: 5 dim-0 vars, and 1 xjuncts. [2018-03-28 12:26:25,424 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 6 variables, input treesize:49, output treesize:45 [2018-03-28 12:26:27,124 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 37 [2018-03-28 12:26:27,126 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2018-03-28 12:26:27,126 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-28 12:26:27,133 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 12:26:27,139 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 25 treesize of output 37 [2018-03-28 12:26:27,139 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 2 xjuncts. [2018-03-28 12:26:27,149 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-03-28 12:26:27,167 INFO L267 ElimStorePlain]: Start of recursive call 1: 6 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2018-03-28 12:26:27,167 INFO L202 ElimStorePlain]: Needed 4 recursive calls to eliminate 7 variables, input treesize:70, output treesize:43 [2018-03-28 12:26:27,287 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 9 refuted. 2 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-28 12:26:27,288 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-03-28 12:26:27,734 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 18 treesize of output 14 [2018-03-28 12:26:27,735 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-03-28 12:26:27,744 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 35 treesize of output 31 [2018-03-28 12:26:27,763 INFO L682 Elim1Store]: detected equality via solver [2018-03-28 12:26:27,765 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 12 [2018-03-28 12:26:27,765 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-03-28 12:26:27,770 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-28 12:26:27,777 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-03-28 12:26:27,778 INFO L202 ElimStorePlain]: Needed 4 recursive calls to eliminate 4 variables, input treesize:58, output treesize:14 [2018-03-28 12:26:27,842 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-28 12:26:27,863 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-03-28 12:26:27,863 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 16] total 34 [2018-03-28 12:26:27,863 INFO L442 AbstractCegarLoop]: Interpolant automaton has 35 states [2018-03-28 12:26:27,864 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2018-03-28 12:26:27,864 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=125, Invalid=1064, Unknown=1, NotChecked=0, Total=1190 [2018-03-28 12:26:27,864 INFO L87 Difference]: Start difference. First operand 79 states and 83 transitions. Second operand 35 states. [2018-03-28 12:26:29,417 WARN L151 SmtUtils]: Spent 205ms on a formula simplification. DAG size of input: 87 DAG size of output 83 [2018-03-28 12:26:32,877 WARN L148 SmtUtils]: Spent 3314ms on a formula simplification that was a NOOP. DAG size: 70 [2018-03-28 12:26:33,395 WARN L151 SmtUtils]: Spent 449ms on a formula simplification. DAG size of input: 83 DAG size of output 69 [2018-03-28 12:26:37,675 WARN L151 SmtUtils]: Spent 2170ms on a formula simplification. DAG size of input: 77 DAG size of output 70 [2018-03-28 12:26:40,175 WARN L151 SmtUtils]: Spent 2452ms on a formula simplification. DAG size of input: 97 DAG size of output 87 [2018-03-28 12:26:41,562 WARN L151 SmtUtils]: Spent 1333ms on a formula simplification. DAG size of input: 94 DAG size of output 84 [2018-03-28 12:26:45,154 WARN L151 SmtUtils]: Spent 3366ms on a formula simplification. DAG size of input: 74 DAG size of output 68 [2018-03-28 12:26:45,388 WARN L151 SmtUtils]: Spent 163ms on a formula simplification. DAG size of input: 84 DAG size of output 70 [2018-03-28 12:26:46,135 WARN L151 SmtUtils]: Spent 431ms on a formula simplification. DAG size of input: 82 DAG size of output 72 [2018-03-28 12:26:52,170 WARN L151 SmtUtils]: Spent 5929ms on a formula simplification. DAG size of input: 80 DAG size of output 71 [2018-03-28 12:26:54,421 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-03-28 12:26:54,421 INFO L93 Difference]: Finished difference Result 100 states and 105 transitions. [2018-03-28 12:26:54,421 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2018-03-28 12:26:54,421 INFO L78 Accepts]: Start accepts. Automaton has 35 states. Word has length 48 [2018-03-28 12:26:54,421 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-03-28 12:26:54,422 INFO L225 Difference]: With dead ends: 100 [2018-03-28 12:26:54,422 INFO L226 Difference]: Without dead ends: 99 [2018-03-28 12:26:54,423 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 119 GetRequests, 60 SyntacticMatches, 2 SemanticMatches, 57 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 668 ImplicationChecksByTransitivity, 25.3s TimeCoverageRelationStatistics Valid=578, Invalid=2842, Unknown=2, NotChecked=0, Total=3422 [2018-03-28 12:26:54,423 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 99 states. [2018-03-28 12:26:54,427 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 99 to 69. [2018-03-28 12:26:54,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 69 states. [2018-03-28 12:26:54,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 69 states and 72 transitions. [2018-03-28 12:26:54,428 INFO L78 Accepts]: Start accepts. Automaton has 69 states and 72 transitions. Word has length 48 [2018-03-28 12:26:54,428 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-03-28 12:26:54,428 INFO L459 AbstractCegarLoop]: Abstraction has 69 states and 72 transitions. [2018-03-28 12:26:54,428 INFO L460 AbstractCegarLoop]: Interpolant automaton has 35 states. [2018-03-28 12:26:54,428 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 72 transitions. [2018-03-28 12:26:54,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-03-28 12:26:54,428 INFO L347 BasicCegarLoop]: Found error trace [2018-03-28 12:26:54,429 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-03-28 12:26:54,429 INFO L408 AbstractCegarLoop]: === Iteration 18 === [__U_MULTI_fopenbsd_cstrncat_alloca_true_valid_memsafety_true_termination_i__cstrncatErr3RequiresViolation, __U_MULTI_fopenbsd_cstrncat_alloca_true_valid_memsafety_true_termination_i__cstrncatErr1RequiresViolation, __U_MULTI_fopenbsd_cstrncat_alloca_true_valid_memsafety_true_termination_i__cstrncatErr7RequiresViolation, __U_MULTI_fopenbsd_cstrncat_alloca_true_valid_memsafety_true_termination_i__cstrncatErr2RequiresViolation, __U_MULTI_fopenbsd_cstrncat_alloca_true_valid_memsafety_true_termination_i__cstrncatErr4RequiresViolation, __U_MULTI_fopenbsd_cstrncat_alloca_true_valid_memsafety_true_termination_i__cstrncatErr0RequiresViolation, __U_MULTI_fopenbsd_cstrncat_alloca_true_valid_memsafety_true_termination_i__cstrncatErr6RequiresViolation, __U_MULTI_fopenbsd_cstrncat_alloca_true_valid_memsafety_true_termination_i__cstrncatErr5RequiresViolation, mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-03-28 12:26:54,429 INFO L82 PathProgramCache]: Analyzing trace with hash -1366398051, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 19 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 19 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-03-28 12:26:54,434 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-03-28 12:26:54,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-03-28 12:26:54,452 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-03-28 12:26:54,470 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-28 12:26:54,471 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-03-28 12:26:54,478 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-28 12:26:54,500 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-03-28 12:26:54,500 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [6, 6] imperfect sequences [] total 6 [2018-03-28 12:26:54,500 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-03-28 12:26:54,500 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-03-28 12:26:54,500 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-03-28 12:26:54,501 INFO L87 Difference]: Start difference. First operand 69 states and 72 transitions. Second operand 7 states. [2018-03-28 12:26:54,553 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-03-28 12:26:54,553 INFO L93 Difference]: Finished difference Result 71 states and 74 transitions. [2018-03-28 12:26:54,553 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-03-28 12:26:54,554 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 52 [2018-03-28 12:26:54,554 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-03-28 12:26:54,554 INFO L225 Difference]: With dead ends: 71 [2018-03-28 12:26:54,554 INFO L226 Difference]: Without dead ends: 69 [2018-03-28 12:26:54,554 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 106 GetRequests, 98 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2018-03-28 12:26:54,555 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69 states. [2018-03-28 12:26:54,559 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69 to 67. [2018-03-28 12:26:54,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 67 states. [2018-03-28 12:26:54,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 67 states and 70 transitions. [2018-03-28 12:26:54,560 INFO L78 Accepts]: Start accepts. Automaton has 67 states and 70 transitions. Word has length 52 [2018-03-28 12:26:54,560 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-03-28 12:26:54,560 INFO L459 AbstractCegarLoop]: Abstraction has 67 states and 70 transitions. [2018-03-28 12:26:54,560 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-03-28 12:26:54,560 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 70 transitions. [2018-03-28 12:26:54,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-03-28 12:26:54,561 INFO L347 BasicCegarLoop]: Found error trace [2018-03-28 12:26:54,561 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-03-28 12:26:54,561 INFO L408 AbstractCegarLoop]: === Iteration 19 === [__U_MULTI_fopenbsd_cstrncat_alloca_true_valid_memsafety_true_termination_i__cstrncatErr3RequiresViolation, __U_MULTI_fopenbsd_cstrncat_alloca_true_valid_memsafety_true_termination_i__cstrncatErr1RequiresViolation, __U_MULTI_fopenbsd_cstrncat_alloca_true_valid_memsafety_true_termination_i__cstrncatErr7RequiresViolation, __U_MULTI_fopenbsd_cstrncat_alloca_true_valid_memsafety_true_termination_i__cstrncatErr2RequiresViolation, __U_MULTI_fopenbsd_cstrncat_alloca_true_valid_memsafety_true_termination_i__cstrncatErr4RequiresViolation, __U_MULTI_fopenbsd_cstrncat_alloca_true_valid_memsafety_true_termination_i__cstrncatErr0RequiresViolation, __U_MULTI_fopenbsd_cstrncat_alloca_true_valid_memsafety_true_termination_i__cstrncatErr6RequiresViolation, __U_MULTI_fopenbsd_cstrncat_alloca_true_valid_memsafety_true_termination_i__cstrncatErr5RequiresViolation, mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-03-28 12:26:54,561 INFO L82 PathProgramCache]: Analyzing trace with hash -1366398050, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 20 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 20 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-03-28 12:26:54,568 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-03-28 12:26:54,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-03-28 12:26:54,587 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-03-28 12:26:54,599 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 [2018-03-28 12:26:54,600 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-03-28 12:26:54,607 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 [2018-03-28 12:26:54,607 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-28 12:26:54,612 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-28 12:26:54,613 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:24, output treesize:19 [2018-03-28 12:26:54,631 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 12:26:54,632 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 12:26:54,633 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 23 [2018-03-28 12:26:54,633 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-03-28 12:26:54,644 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 12:26:54,644 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 12:26:54,645 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 4 [2018-03-28 12:26:54,645 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-28 12:26:54,651 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-28 12:26:54,651 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:30, output treesize:18 [2018-03-28 12:26:54,762 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-28 12:26:54,762 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-03-28 12:26:54,938 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 3 [2018-03-28 12:26:54,939 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-03-28 12:26:54,942 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 15 [2018-03-28 12:26:54,951 WARN L307 Elim1Store]: Array PQE input equivalent to true [2018-03-28 12:26:54,951 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-03-28 12:26:54,952 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 3 [2018-03-28 12:26:54,953 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-03-28 12:26:54,955 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-28 12:26:54,957 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-28 12:26:54,958 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:21, output treesize:3 [2018-03-28 12:26:55,045 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-28 12:26:55,067 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-03-28 12:26:55,067 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [13, 12] imperfect sequences [] total 23 [2018-03-28 12:26:55,068 INFO L442 AbstractCegarLoop]: Interpolant automaton has 24 states [2018-03-28 12:26:55,068 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2018-03-28 12:26:55,068 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=63, Invalid=489, Unknown=0, NotChecked=0, Total=552 [2018-03-28 12:26:55,069 INFO L87 Difference]: Start difference. First operand 67 states and 70 transitions. Second operand 24 states. [2018-03-28 12:26:55,460 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-03-28 12:26:55,461 INFO L93 Difference]: Finished difference Result 104 states and 108 transitions. [2018-03-28 12:26:55,461 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-03-28 12:26:55,461 INFO L78 Accepts]: Start accepts. Automaton has 24 states. Word has length 52 [2018-03-28 12:26:55,461 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-03-28 12:26:55,462 INFO L225 Difference]: With dead ends: 104 [2018-03-28 12:26:55,462 INFO L226 Difference]: Without dead ends: 100 [2018-03-28 12:26:55,463 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 113 GetRequests, 80 SyntacticMatches, 1 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 186 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=173, Invalid=949, Unknown=0, NotChecked=0, Total=1122 [2018-03-28 12:26:55,463 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 100 states. [2018-03-28 12:26:55,470 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 100 to 90. [2018-03-28 12:26:55,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 90 states. [2018-03-28 12:26:55,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 90 states and 95 transitions. [2018-03-28 12:26:55,471 INFO L78 Accepts]: Start accepts. Automaton has 90 states and 95 transitions. Word has length 52 [2018-03-28 12:26:55,471 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-03-28 12:26:55,471 INFO L459 AbstractCegarLoop]: Abstraction has 90 states and 95 transitions. [2018-03-28 12:26:55,471 INFO L460 AbstractCegarLoop]: Interpolant automaton has 24 states. [2018-03-28 12:26:55,471 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 95 transitions. [2018-03-28 12:26:55,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2018-03-28 12:26:55,472 INFO L347 BasicCegarLoop]: Found error trace [2018-03-28 12:26:55,472 INFO L355 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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] [2018-03-28 12:26:55,472 INFO L408 AbstractCegarLoop]: === Iteration 20 === [__U_MULTI_fopenbsd_cstrncat_alloca_true_valid_memsafety_true_termination_i__cstrncatErr3RequiresViolation, __U_MULTI_fopenbsd_cstrncat_alloca_true_valid_memsafety_true_termination_i__cstrncatErr1RequiresViolation, __U_MULTI_fopenbsd_cstrncat_alloca_true_valid_memsafety_true_termination_i__cstrncatErr7RequiresViolation, __U_MULTI_fopenbsd_cstrncat_alloca_true_valid_memsafety_true_termination_i__cstrncatErr2RequiresViolation, __U_MULTI_fopenbsd_cstrncat_alloca_true_valid_memsafety_true_termination_i__cstrncatErr4RequiresViolation, __U_MULTI_fopenbsd_cstrncat_alloca_true_valid_memsafety_true_termination_i__cstrncatErr0RequiresViolation, __U_MULTI_fopenbsd_cstrncat_alloca_true_valid_memsafety_true_termination_i__cstrncatErr6RequiresViolation, __U_MULTI_fopenbsd_cstrncat_alloca_true_valid_memsafety_true_termination_i__cstrncatErr5RequiresViolation, mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-03-28 12:26:55,472 INFO L82 PathProgramCache]: Analyzing trace with hash 1423352212, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 21 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 21 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-03-28 12:26:55,478 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-03-28 12:26:55,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-03-28 12:26:55,497 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-03-28 12:26:55,504 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 [2018-03-28 12:26:55,506 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 [2018-03-28 12:26:55,506 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-28 12:26:55,507 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-28 12:26:55,512 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. [2018-03-28 12:26:55,512 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:25, output treesize:21 [2018-03-28 12:26:55,600 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 16 [2018-03-28 12:26:55,607 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 16 treesize of output 13 [2018-03-28 12:26:55,607 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 2 xjuncts. [2018-03-28 12:26:55,610 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-03-28 12:26:55,620 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2018-03-28 12:26:55,620 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:38, output treesize:29 [2018-03-28 12:26:55,685 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-28 12:26:55,686 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-03-28 12:26:55,932 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 [2018-03-28 12:26:55,933 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-03-28 12:26:55,940 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 [2018-03-28 12:26:55,950 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 [2018-03-28 12:26:55,951 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-03-28 12:26:55,952 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-28 12:26:55,957 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. [2018-03-28 12:26:55,958 INFO L202 ElimStorePlain]: Needed 4 recursive calls to eliminate 5 variables, input treesize:35, output treesize:7 [2018-03-28 12:26:55,980 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-28 12:26:56,002 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-03-28 12:26:56,002 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 20 [2018-03-28 12:26:56,002 INFO L442 AbstractCegarLoop]: Interpolant automaton has 21 states [2018-03-28 12:26:56,003 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2018-03-28 12:26:56,003 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=365, Unknown=0, NotChecked=0, Total=420 [2018-03-28 12:26:56,003 INFO L87 Difference]: Start difference. First operand 90 states and 95 transitions. Second operand 21 states. [2018-03-28 12:26:56,494 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-03-28 12:26:56,494 INFO L93 Difference]: Finished difference Result 113 states and 118 transitions. [2018-03-28 12:26:56,494 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-03-28 12:26:56,494 INFO L78 Accepts]: Start accepts. Automaton has 21 states. Word has length 55 [2018-03-28 12:26:56,494 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-03-28 12:26:56,495 INFO L225 Difference]: With dead ends: 113 [2018-03-28 12:26:56,495 INFO L226 Difference]: Without dead ends: 112 [2018-03-28 12:26:56,495 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 118 GetRequests, 89 SyntacticMatches, 1 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 98 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=141, Invalid=729, Unknown=0, NotChecked=0, Total=870 [2018-03-28 12:26:56,495 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 112 states. [2018-03-28 12:26:56,501 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 112 to 105. [2018-03-28 12:26:56,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 105 states. [2018-03-28 12:26:56,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 105 states and 110 transitions. [2018-03-28 12:26:56,502 INFO L78 Accepts]: Start accepts. Automaton has 105 states and 110 transitions. Word has length 55 [2018-03-28 12:26:56,502 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-03-28 12:26:56,502 INFO L459 AbstractCegarLoop]: Abstraction has 105 states and 110 transitions. [2018-03-28 12:26:56,502 INFO L460 AbstractCegarLoop]: Interpolant automaton has 21 states. [2018-03-28 12:26:56,502 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 110 transitions. [2018-03-28 12:26:56,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2018-03-28 12:26:56,503 INFO L347 BasicCegarLoop]: Found error trace [2018-03-28 12:26:56,503 INFO L355 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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] [2018-03-28 12:26:56,503 INFO L408 AbstractCegarLoop]: === Iteration 21 === [__U_MULTI_fopenbsd_cstrncat_alloca_true_valid_memsafety_true_termination_i__cstrncatErr3RequiresViolation, __U_MULTI_fopenbsd_cstrncat_alloca_true_valid_memsafety_true_termination_i__cstrncatErr1RequiresViolation, __U_MULTI_fopenbsd_cstrncat_alloca_true_valid_memsafety_true_termination_i__cstrncatErr7RequiresViolation, __U_MULTI_fopenbsd_cstrncat_alloca_true_valid_memsafety_true_termination_i__cstrncatErr2RequiresViolation, __U_MULTI_fopenbsd_cstrncat_alloca_true_valid_memsafety_true_termination_i__cstrncatErr4RequiresViolation, __U_MULTI_fopenbsd_cstrncat_alloca_true_valid_memsafety_true_termination_i__cstrncatErr0RequiresViolation, __U_MULTI_fopenbsd_cstrncat_alloca_true_valid_memsafety_true_termination_i__cstrncatErr6RequiresViolation, __U_MULTI_fopenbsd_cstrncat_alloca_true_valid_memsafety_true_termination_i__cstrncatErr5RequiresViolation, mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-03-28 12:26:56,503 INFO L82 PathProgramCache]: Analyzing trace with hash 1450268478, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 22 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 22 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-03-28 12:26:56,509 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-03-28 12:26:56,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-03-28 12:26:56,530 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-03-28 12:26:56,543 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 [2018-03-28 12:26:56,543 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-03-28 12:26:56,551 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 [2018-03-28 12:26:56,551 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-28 12:26:56,558 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-28 12:26:56,558 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:24, output treesize:19 [2018-03-28 12:26:56,578 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 12:26:56,579 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 12:26:56,579 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 23 [2018-03-28 12:26:56,580 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-03-28 12:26:56,590 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 12:26:56,590 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 12:26:56,591 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 4 [2018-03-28 12:26:56,591 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-28 12:26:56,596 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-28 12:26:56,596 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:30, output treesize:19 [2018-03-28 12:26:56,618 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 13 [2018-03-28 12:26:56,620 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 12 [2018-03-28 12:26:56,620 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-28 12:26:56,622 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-28 12:26:56,627 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-03-28 12:26:56,627 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:34, output treesize:30 [2018-03-28 12:26:56,798 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 16 [2018-03-28 12:26:56,803 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 16 treesize of output 13 [2018-03-28 12:26:56,804 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 2 xjuncts. [2018-03-28 12:26:56,808 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-03-28 12:26:56,817 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 3 dim-0 vars, and 2 xjuncts. [2018-03-28 12:26:56,817 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:40, output treesize:55 [2018-03-28 12:26:56,955 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-28 12:26:56,955 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-03-28 12:26:57,348 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 [2018-03-28 12:26:57,355 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2018-03-28 12:26:57,382 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-28 12:26:57,383 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-28 12:26:57,388 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-03-28 12:26:57,388 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:24, output treesize:14 [2018-03-28 12:26:57,499 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 3 [2018-03-28 12:26:57,500 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-03-28 12:26:57,504 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 15 [2018-03-28 12:26:57,519 WARN L307 Elim1Store]: Array PQE input equivalent to true [2018-03-28 12:26:57,519 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-03-28 12:26:57,521 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 3 [2018-03-28 12:26:57,521 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-03-28 12:26:57,524 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-28 12:26:57,527 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-28 12:26:57,527 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:24, output treesize:7 [2018-03-28 12:26:57,594 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-28 12:26:57,615 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-03-28 12:26:57,615 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [22, 21] total 41 [2018-03-28 12:26:57,616 INFO L442 AbstractCegarLoop]: Interpolant automaton has 42 states [2018-03-28 12:26:57,616 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 42 interpolants. [2018-03-28 12:26:57,616 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=127, Invalid=1595, Unknown=0, NotChecked=0, Total=1722 [2018-03-28 12:26:57,616 INFO L87 Difference]: Start difference. First operand 105 states and 110 transitions. Second operand 42 states. [2018-03-28 12:27:00,084 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-03-28 12:27:00,084 INFO L93 Difference]: Finished difference Result 150 states and 157 transitions. [2018-03-28 12:27:00,084 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2018-03-28 12:27:00,085 INFO L78 Accepts]: Start accepts. Automaton has 42 states. Word has length 59 [2018-03-28 12:27:00,085 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-03-28 12:27:00,086 INFO L225 Difference]: With dead ends: 150 [2018-03-28 12:27:00,086 INFO L226 Difference]: Without dead ends: 146 [2018-03-28 12:27:00,087 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 150 GetRequests, 76 SyntacticMatches, 1 SemanticMatches, 73 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1078 ImplicationChecksByTransitivity, 2.6s TimeCoverageRelationStatistics Valid=610, Invalid=4940, Unknown=0, NotChecked=0, Total=5550 [2018-03-28 12:27:00,088 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 146 states. [2018-03-28 12:27:00,097 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 146 to 112. [2018-03-28 12:27:00,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 112 states. [2018-03-28 12:27:00,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 112 states and 118 transitions. [2018-03-28 12:27:00,098 INFO L78 Accepts]: Start accepts. Automaton has 112 states and 118 transitions. Word has length 59 [2018-03-28 12:27:00,098 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-03-28 12:27:00,098 INFO L459 AbstractCegarLoop]: Abstraction has 112 states and 118 transitions. [2018-03-28 12:27:00,098 INFO L460 AbstractCegarLoop]: Interpolant automaton has 42 states. [2018-03-28 12:27:00,098 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 118 transitions. [2018-03-28 12:27:00,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-03-28 12:27:00,099 INFO L347 BasicCegarLoop]: Found error trace [2018-03-28 12:27:00,099 INFO L355 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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] [2018-03-28 12:27:00,099 INFO L408 AbstractCegarLoop]: === Iteration 22 === [__U_MULTI_fopenbsd_cstrncat_alloca_true_valid_memsafety_true_termination_i__cstrncatErr3RequiresViolation, __U_MULTI_fopenbsd_cstrncat_alloca_true_valid_memsafety_true_termination_i__cstrncatErr1RequiresViolation, __U_MULTI_fopenbsd_cstrncat_alloca_true_valid_memsafety_true_termination_i__cstrncatErr7RequiresViolation, __U_MULTI_fopenbsd_cstrncat_alloca_true_valid_memsafety_true_termination_i__cstrncatErr2RequiresViolation, __U_MULTI_fopenbsd_cstrncat_alloca_true_valid_memsafety_true_termination_i__cstrncatErr4RequiresViolation, __U_MULTI_fopenbsd_cstrncat_alloca_true_valid_memsafety_true_termination_i__cstrncatErr0RequiresViolation, __U_MULTI_fopenbsd_cstrncat_alloca_true_valid_memsafety_true_termination_i__cstrncatErr6RequiresViolation, __U_MULTI_fopenbsd_cstrncat_alloca_true_valid_memsafety_true_termination_i__cstrncatErr5RequiresViolation, mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-03-28 12:27:00,099 INFO L82 PathProgramCache]: Analyzing trace with hash 222042014, now seen corresponding path program 2 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 23 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 23 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-03-28 12:27:00,105 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-03-28 12:27:00,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-03-28 12:27:00,129 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-03-28 12:27:00,142 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 [2018-03-28 12:27:00,142 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-03-28 12:27:00,150 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 [2018-03-28 12:27:00,150 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-28 12:27:00,156 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-28 12:27:00,156 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:27, output treesize:25 [2018-03-28 12:27:00,179 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 12:27:00,179 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 12:27:00,180 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 21 [2018-03-28 12:27:00,180 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-03-28 12:27:00,192 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 12:27:00,193 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 12:27:00,194 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 4 [2018-03-28 12:27:00,194 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-28 12:27:00,202 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-28 12:27:00,202 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:36, output treesize:25 [2018-03-28 12:27:00,229 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 19 treesize of output 16 [2018-03-28 12:27:00,230 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 16 treesize of output 15 [2018-03-28 12:27:00,231 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-28 12:27:00,232 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-28 12:27:00,240 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. [2018-03-28 12:27:00,240 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:41, output treesize:37 [2018-03-28 12:27:00,255 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 12:27:00,259 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 33 [2018-03-28 12:27:00,261 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 12 [2018-03-28 12:27:00,261 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-28 12:27:00,266 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-28 12:27:00,275 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. [2018-03-28 12:27:00,275 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:52, output treesize:48 [2018-03-28 12:27:00,744 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 12:27:00,746 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 41 [2018-03-28 12:27:00,751 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 16 treesize of output 13 [2018-03-28 12:27:00,752 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 2 xjuncts. [2018-03-28 12:27:00,761 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 19 [2018-03-28 12:27:00,762 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-03-28 12:27:00,767 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-03-28 12:27:00,785 INFO L267 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 1 dim-2 vars, End of recursive call: 6 dim-0 vars, and 2 xjuncts. [2018-03-28 12:27:00,785 INFO L202 ElimStorePlain]: Needed 4 recursive calls to eliminate 5 variables, input treesize:73, output treesize:128 [2018-03-28 12:27:01,025 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-28 12:27:01,025 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-03-28 12:27:01,906 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 76 treesize of output 49 [2018-03-28 12:27:01,928 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 15 treesize of output 14 [2018-03-28 12:27:01,928 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-28 12:27:01,942 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 37 treesize of output 39 [2018-03-28 12:27:01,976 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 28 treesize of output 40 [2018-03-28 12:27:01,977 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 2 xjuncts. [2018-03-28 12:27:01,995 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 29 [2018-03-28 12:27:01,995 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-03-28 12:27:02,008 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 21 [2018-03-28 12:27:02,009 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-03-28 12:27:02,019 INFO L267 ElimStorePlain]: Start of recursive call 4: 3 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-03-28 12:27:02,035 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 4 xjuncts. [2018-03-28 12:27:02,056 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2018-03-28 12:27:02,056 INFO L202 ElimStorePlain]: Needed 7 recursive calls to eliminate 3 variables, input treesize:89, output treesize:100 [2018-03-28 12:27:02,377 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 32 [2018-03-28 12:27:02,396 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 3 [2018-03-28 12:27:02,396 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-28 12:27:02,402 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-28 12:27:02,417 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 23 [2018-03-28 12:27:02,417 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-03-28 12:27:02,430 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 15 [2018-03-28 12:27:02,431 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-03-28 12:27:02,443 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 26 [2018-03-28 12:27:02,458 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 3 [2018-03-28 12:27:02,459 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-03-28 12:27:02,463 INFO L267 ElimStorePlain]: Start of recursive call 6: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-28 12:27:02,474 INFO L267 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 4 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-03-28 12:27:02,474 INFO L202 ElimStorePlain]: Needed 7 recursive calls to eliminate 8 variables, input treesize:72, output treesize:25 [2018-03-28 12:27:02,630 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-28 12:27:02,661 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-03-28 12:27:02,661 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [27, 26] total 51 [2018-03-28 12:27:02,661 INFO L442 AbstractCegarLoop]: Interpolant automaton has 52 states [2018-03-28 12:27:02,661 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 52 interpolants. [2018-03-28 12:27:02,662 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=189, Invalid=2463, Unknown=0, NotChecked=0, Total=2652 [2018-03-28 12:27:02,662 INFO L87 Difference]: Start difference. First operand 112 states and 118 transitions. Second operand 52 states. [2018-03-28 12:27:11,811 WARN L151 SmtUtils]: Spent 9028ms on a formula simplification. DAG size of input: 100 DAG size of output 98 [2018-03-28 12:27:21,439 WARN L151 SmtUtils]: Spent 9503ms on a formula simplification. DAG size of input: 95 DAG size of output 93 [2018-03-28 12:27:23,013 WARN L151 SmtUtils]: Spent 1432ms on a formula simplification. DAG size of input: 93 DAG size of output 74 [2018-03-28 12:27:32,123 WARN L151 SmtUtils]: Spent 109ms on a formula simplification. DAG size of input: 97 DAG size of output 93 [2018-03-28 12:27:33,261 WARN L151 SmtUtils]: Spent 127ms on a formula simplification. DAG size of input: 104 DAG size of output 93 [2018-03-28 12:27:34,802 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-03-28 12:27:34,802 INFO L93 Difference]: Finished difference Result 210 states and 221 transitions. [2018-03-28 12:27:34,802 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 66 states. [2018-03-28 12:27:34,802 INFO L78 Accepts]: Start accepts. Automaton has 52 states. Word has length 66 [2018-03-28 12:27:34,803 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-03-28 12:27:34,805 INFO L225 Difference]: With dead ends: 210 [2018-03-28 12:27:34,805 INFO L226 Difference]: Without dead ends: 204 [2018-03-28 12:27:34,807 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 188 GetRequests, 80 SyntacticMatches, 1 SemanticMatches, 107 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2835 ImplicationChecksByTransitivity, 27.8s TimeCoverageRelationStatistics Valid=1022, Invalid=10750, Unknown=0, NotChecked=0, Total=11772 [2018-03-28 12:27:34,808 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 204 states. [2018-03-28 12:27:34,820 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 204 to 126. [2018-03-28 12:27:34,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 126 states. [2018-03-28 12:27:34,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 126 states and 134 transitions. [2018-03-28 12:27:34,821 INFO L78 Accepts]: Start accepts. Automaton has 126 states and 134 transitions. Word has length 66 [2018-03-28 12:27:34,822 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-03-28 12:27:34,822 INFO L459 AbstractCegarLoop]: Abstraction has 126 states and 134 transitions. [2018-03-28 12:27:34,822 INFO L460 AbstractCegarLoop]: Interpolant automaton has 52 states. [2018-03-28 12:27:34,822 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 134 transitions. [2018-03-28 12:27:34,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2018-03-28 12:27:34,822 INFO L347 BasicCegarLoop]: Found error trace [2018-03-28 12:27:34,822 INFO L355 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-03-28 12:27:34,822 INFO L408 AbstractCegarLoop]: === Iteration 23 === [__U_MULTI_fopenbsd_cstrncat_alloca_true_valid_memsafety_true_termination_i__cstrncatErr3RequiresViolation, __U_MULTI_fopenbsd_cstrncat_alloca_true_valid_memsafety_true_termination_i__cstrncatErr1RequiresViolation, __U_MULTI_fopenbsd_cstrncat_alloca_true_valid_memsafety_true_termination_i__cstrncatErr7RequiresViolation, __U_MULTI_fopenbsd_cstrncat_alloca_true_valid_memsafety_true_termination_i__cstrncatErr2RequiresViolation, __U_MULTI_fopenbsd_cstrncat_alloca_true_valid_memsafety_true_termination_i__cstrncatErr4RequiresViolation, __U_MULTI_fopenbsd_cstrncat_alloca_true_valid_memsafety_true_termination_i__cstrncatErr0RequiresViolation, __U_MULTI_fopenbsd_cstrncat_alloca_true_valid_memsafety_true_termination_i__cstrncatErr6RequiresViolation, __U_MULTI_fopenbsd_cstrncat_alloca_true_valid_memsafety_true_termination_i__cstrncatErr5RequiresViolation, mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-03-28 12:27:34,823 INFO L82 PathProgramCache]: Analyzing trace with hash -1352767189, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 24 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 24 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-03-28 12:27:34,842 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-03-28 12:27:34,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-03-28 12:27:34,865 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-03-28 12:27:34,872 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 [2018-03-28 12:27:34,872 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-03-28 12:27:34,878 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 [2018-03-28 12:27:34,878 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-28 12:27:34,883 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-28 12:27:34,883 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:21, output treesize:16 [2018-03-28 12:27:34,898 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 12:27:34,899 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 12:27:34,900 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 23 [2018-03-28 12:27:34,900 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-03-28 12:27:34,909 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 12:27:34,910 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 12:27:34,910 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 4 [2018-03-28 12:27:34,911 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-28 12:27:34,915 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-28 12:27:34,916 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:27, output treesize:13 [2018-03-28 12:27:35,208 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-28 12:27:35,208 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-03-28 12:27:35,794 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 3 [2018-03-28 12:27:35,794 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-03-28 12:27:35,798 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 15 [2018-03-28 12:27:35,807 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 3 [2018-03-28 12:27:35,807 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-03-28 12:27:35,807 WARN L307 Elim1Store]: Array PQE input equivalent to true [2018-03-28 12:27:35,807 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-03-28 12:27:35,809 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-28 12:27:35,812 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-28 12:27:35,813 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:24, output treesize:7 [2018-03-28 12:27:35,852 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-28 12:27:35,874 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-03-28 12:27:35,874 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [22, 22] total 42 [2018-03-28 12:27:35,874 INFO L442 AbstractCegarLoop]: Interpolant automaton has 43 states [2018-03-28 12:27:35,874 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 43 interpolants. [2018-03-28 12:27:35,875 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=122, Invalid=1684, Unknown=0, NotChecked=0, Total=1806 [2018-03-28 12:27:35,875 INFO L87 Difference]: Start difference. First operand 126 states and 134 transitions. Second operand 43 states. [2018-03-28 12:27:38,157 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-03-28 12:27:38,158 INFO L93 Difference]: Finished difference Result 190 states and 201 transitions. [2018-03-28 12:27:38,158 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2018-03-28 12:27:38,158 INFO L78 Accepts]: Start accepts. Automaton has 43 states. Word has length 67 [2018-03-28 12:27:38,158 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-03-28 12:27:38,159 INFO L225 Difference]: With dead ends: 190 [2018-03-28 12:27:38,159 INFO L226 Difference]: Without dead ends: 184 [2018-03-28 12:27:38,161 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 166 GetRequests, 91 SyntacticMatches, 1 SemanticMatches, 74 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 753 ImplicationChecksByTransitivity, 2.6s TimeCoverageRelationStatistics Valid=678, Invalid=5022, Unknown=0, NotChecked=0, Total=5700 [2018-03-28 12:27:38,162 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 184 states. [2018-03-28 12:27:38,181 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 184 to 176. [2018-03-28 12:27:38,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 176 states. [2018-03-28 12:27:38,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 176 states and 186 transitions. [2018-03-28 12:27:38,183 INFO L78 Accepts]: Start accepts. Automaton has 176 states and 186 transitions. Word has length 67 [2018-03-28 12:27:38,183 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-03-28 12:27:38,183 INFO L459 AbstractCegarLoop]: Abstraction has 176 states and 186 transitions. [2018-03-28 12:27:38,183 INFO L460 AbstractCegarLoop]: Interpolant automaton has 43 states. [2018-03-28 12:27:38,183 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 186 transitions. [2018-03-28 12:27:38,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2018-03-28 12:27:38,184 INFO L347 BasicCegarLoop]: Found error trace [2018-03-28 12:27:38,184 INFO L355 BasicCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-03-28 12:27:38,184 INFO L408 AbstractCegarLoop]: === Iteration 24 === [__U_MULTI_fopenbsd_cstrncat_alloca_true_valid_memsafety_true_termination_i__cstrncatErr3RequiresViolation, __U_MULTI_fopenbsd_cstrncat_alloca_true_valid_memsafety_true_termination_i__cstrncatErr1RequiresViolation, __U_MULTI_fopenbsd_cstrncat_alloca_true_valid_memsafety_true_termination_i__cstrncatErr7RequiresViolation, __U_MULTI_fopenbsd_cstrncat_alloca_true_valid_memsafety_true_termination_i__cstrncatErr2RequiresViolation, __U_MULTI_fopenbsd_cstrncat_alloca_true_valid_memsafety_true_termination_i__cstrncatErr4RequiresViolation, __U_MULTI_fopenbsd_cstrncat_alloca_true_valid_memsafety_true_termination_i__cstrncatErr0RequiresViolation, __U_MULTI_fopenbsd_cstrncat_alloca_true_valid_memsafety_true_termination_i__cstrncatErr6RequiresViolation, __U_MULTI_fopenbsd_cstrncat_alloca_true_valid_memsafety_true_termination_i__cstrncatErr5RequiresViolation, mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-03-28 12:27:38,184 INFO L82 PathProgramCache]: Analyzing trace with hash -521560857, now seen corresponding path program 2 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 25 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 25 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-03-28 12:27:38,196 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-03-28 12:27:38,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-03-28 12:27:38,227 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-03-28 12:27:38,229 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 [2018-03-28 12:27:38,229 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-03-28 12:27:38,230 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-28 12:27:38,230 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2018-03-28 12:27:38,237 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 [2018-03-28 12:27:38,237 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-03-28 12:27:38,244 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 12:27:38,245 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 12:27:38,245 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 4 [2018-03-28 12:27:38,245 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-28 12:27:38,253 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-28 12:27:38,253 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:20, output treesize:13 [2018-03-28 12:27:38,270 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 12 [2018-03-28 12:27:38,272 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 [2018-03-28 12:27:38,272 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-28 12:27:38,273 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-28 12:27:38,276 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-03-28 12:27:38,277 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:20, output treesize:16 [2018-03-28 12:27:38,399 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 24 [2018-03-28 12:27:38,400 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-03-28 12:27:38,401 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-28 12:27:38,405 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-28 12:27:38,410 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-03-28 12:27:38,410 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:30, output treesize:15 [2018-03-28 12:27:38,462 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 17 [2018-03-28 12:27:38,467 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 17 treesize of output 14 [2018-03-28 12:27:38,468 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 2 xjuncts. [2018-03-28 12:27:38,470 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-03-28 12:27:38,476 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2018-03-28 12:27:38,476 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:29, output treesize:32 [2018-03-28 12:27:38,549 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 23 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-28 12:27:38,549 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-03-28 12:27:39,225 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 28 [2018-03-28 12:27:39,238 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 [2018-03-28 12:27:39,239 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-28 12:27:39,252 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 [2018-03-28 12:27:39,254 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 10 [2018-03-28 12:27:39,254 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-03-28 12:27:39,258 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-28 12:27:39,260 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 18 [2018-03-28 12:27:39,262 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 1 [2018-03-28 12:27:39,262 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-03-28 12:27:39,265 INFO L267 ElimStorePlain]: Start of recursive call 6: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-28 12:27:39,275 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 4 xjuncts. [2018-03-28 12:27:39,294 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: and 4 xjuncts. [2018-03-28 12:27:39,294 INFO L202 ElimStorePlain]: Needed 7 recursive calls to eliminate 4 variables, input treesize:55, output treesize:84 [2018-03-28 12:27:39,454 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 23 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-28 12:27:39,476 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-03-28 12:27:39,476 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 20] total 39 [2018-03-28 12:27:39,476 INFO L442 AbstractCegarLoop]: Interpolant automaton has 40 states [2018-03-28 12:27:39,476 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 40 interpolants. [2018-03-28 12:27:39,477 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=114, Invalid=1446, Unknown=0, NotChecked=0, Total=1560 [2018-03-28 12:27:39,477 INFO L87 Difference]: Start difference. First operand 176 states and 186 transitions. Second operand 40 states. [2018-03-28 12:27:40,864 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-03-28 12:27:40,864 INFO L93 Difference]: Finished difference Result 177 states and 186 transitions. [2018-03-28 12:27:40,865 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2018-03-28 12:27:40,865 INFO L78 Accepts]: Start accepts. Automaton has 40 states. Word has length 70 [2018-03-28 12:27:40,865 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-03-28 12:27:40,866 INFO L225 Difference]: With dead ends: 177 [2018-03-28 12:27:40,866 INFO L226 Difference]: Without dead ends: 176 [2018-03-28 12:27:40,867 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 160 GetRequests, 101 SyntacticMatches, 0 SemanticMatches, 59 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 549 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=386, Invalid=3274, Unknown=0, NotChecked=0, Total=3660 [2018-03-28 12:27:40,867 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 176 states. [2018-03-28 12:27:40,879 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 176 to 176. [2018-03-28 12:27:40,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 176 states. [2018-03-28 12:27:40,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 176 states and 185 transitions. [2018-03-28 12:27:40,880 INFO L78 Accepts]: Start accepts. Automaton has 176 states and 185 transitions. Word has length 70 [2018-03-28 12:27:40,880 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-03-28 12:27:40,880 INFO L459 AbstractCegarLoop]: Abstraction has 176 states and 185 transitions. [2018-03-28 12:27:40,881 INFO L460 AbstractCegarLoop]: Interpolant automaton has 40 states. [2018-03-28 12:27:40,881 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 185 transitions. [2018-03-28 12:27:40,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2018-03-28 12:27:40,881 INFO L347 BasicCegarLoop]: Found error trace [2018-03-28 12:27:40,881 INFO L355 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-03-28 12:27:40,881 INFO L408 AbstractCegarLoop]: === Iteration 25 === [__U_MULTI_fopenbsd_cstrncat_alloca_true_valid_memsafety_true_termination_i__cstrncatErr3RequiresViolation, __U_MULTI_fopenbsd_cstrncat_alloca_true_valid_memsafety_true_termination_i__cstrncatErr1RequiresViolation, __U_MULTI_fopenbsd_cstrncat_alloca_true_valid_memsafety_true_termination_i__cstrncatErr7RequiresViolation, __U_MULTI_fopenbsd_cstrncat_alloca_true_valid_memsafety_true_termination_i__cstrncatErr2RequiresViolation, __U_MULTI_fopenbsd_cstrncat_alloca_true_valid_memsafety_true_termination_i__cstrncatErr4RequiresViolation, __U_MULTI_fopenbsd_cstrncat_alloca_true_valid_memsafety_true_termination_i__cstrncatErr0RequiresViolation, __U_MULTI_fopenbsd_cstrncat_alloca_true_valid_memsafety_true_termination_i__cstrncatErr6RequiresViolation, __U_MULTI_fopenbsd_cstrncat_alloca_true_valid_memsafety_true_termination_i__cstrncatErr5RequiresViolation, mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-03-28 12:27:40,881 INFO L82 PathProgramCache]: Analyzing trace with hash -384644725, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 26 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 26 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-03-28 12:27:40,888 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-03-28 12:27:40,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-03-28 12:27:40,917 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-03-28 12:27:40,930 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 [2018-03-28 12:27:40,930 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-03-28 12:27:40,938 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-03-28 12:27:40,939 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-28 12:27:40,944 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-28 12:27:40,944 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:21, output treesize:16 [2018-03-28 12:27:40,962 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 12:27:40,963 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 12:27:40,963 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 23 [2018-03-28 12:27:40,964 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-03-28 12:27:40,976 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 12:27:40,977 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 12:27:40,977 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 4 [2018-03-28 12:27:40,977 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-28 12:27:40,984 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-28 12:27:40,984 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:30, output treesize:19 [2018-03-28 12:27:41,011 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 [2018-03-28 12:27:41,013 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 [2018-03-28 12:27:41,013 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-28 12:27:41,015 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-28 12:27:41,019 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-03-28 12:27:41,019 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:28, output treesize:24 [2018-03-28 12:27:41,288 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 12:27:41,292 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 24 [2018-03-28 12:27:41,294 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-03-28 12:27:41,294 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-28 12:27:41,299 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-28 12:27:41,307 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-03-28 12:27:41,307 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:41, output treesize:30 [2018-03-28 12:27:41,409 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 [2018-03-28 12:27:41,419 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 [2018-03-28 12:27:41,420 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 2 xjuncts. [2018-03-28 12:27:41,425 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-03-28 12:27:41,439 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 2 xjuncts. [2018-03-28 12:27:41,439 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:44, output treesize:51 [2018-03-28 12:27:41,625 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 17 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-28 12:27:41,625 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-03-28 12:27:42,875 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 32 [2018-03-28 12:27:42,889 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 [2018-03-28 12:27:42,890 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-28 12:27:42,904 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 17 [2018-03-28 12:27:42,906 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 12 [2018-03-28 12:27:42,906 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-03-28 12:27:42,908 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-28 12:27:42,909 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 18 [2018-03-28 12:27:42,911 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 1 [2018-03-28 12:27:42,911 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-03-28 12:27:42,914 INFO L267 ElimStorePlain]: Start of recursive call 6: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-28 12:27:42,925 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 4 xjuncts. [2018-03-28 12:27:42,948 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: and 6 xjuncts. [2018-03-28 12:27:42,949 INFO L202 ElimStorePlain]: Needed 7 recursive calls to eliminate 4 variables, input treesize:65, output treesize:209 [2018-03-28 12:27:43,277 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 3 [2018-03-28 12:27:43,277 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-03-28 12:27:43,281 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 15 [2018-03-28 12:27:43,288 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 3 [2018-03-28 12:27:43,289 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-03-28 12:27:43,289 WARN L307 Elim1Store]: Array PQE input equivalent to true [2018-03-28 12:27:43,289 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-03-28 12:27:43,291 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-28 12:27:43,294 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-28 12:27:43,294 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:24, output treesize:7 [2018-03-28 12:27:43,361 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 17 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-28 12:27:43,382 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-03-28 12:27:43,382 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [26, 27] total 51 [2018-03-28 12:27:43,382 INFO L442 AbstractCegarLoop]: Interpolant automaton has 52 states [2018-03-28 12:27:43,383 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 52 interpolants. [2018-03-28 12:27:43,383 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=147, Invalid=2505, Unknown=0, NotChecked=0, Total=2652 [2018-03-28 12:27:43,383 INFO L87 Difference]: Start difference. First operand 176 states and 185 transitions. Second operand 52 states. [2018-03-28 12:27:45,213 WARN L151 SmtUtils]: Spent 118ms on a formula simplification. DAG size of input: 103 DAG size of output 76 [2018-03-28 12:27:45,422 WARN L151 SmtUtils]: Spent 109ms on a formula simplification. DAG size of input: 107 DAG size of output 80 [2018-03-28 12:27:45,900 WARN L151 SmtUtils]: Spent 185ms on a formula simplification. DAG size of input: 125 DAG size of output 98 [2018-03-28 12:27:46,201 WARN L151 SmtUtils]: Spent 159ms on a formula simplification. DAG size of input: 109 DAG size of output 89 [2018-03-28 12:27:46,749 WARN L151 SmtUtils]: Spent 223ms on a formula simplification. DAG size of input: 118 DAG size of output 101 [2018-03-28 12:27:51,566 WARN L151 SmtUtils]: Spent 115ms on a formula simplification. DAG size of input: 89 DAG size of output 86 [2018-03-28 12:27:52,153 WARN L151 SmtUtils]: Spent 101ms on a formula simplification. DAG size of input: 88 DAG size of output 82 [2018-03-28 12:27:53,212 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-03-28 12:27:53,212 INFO L93 Difference]: Finished difference Result 240 states and 252 transitions. [2018-03-28 12:27:53,212 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2018-03-28 12:27:53,212 INFO L78 Accepts]: Start accepts. Automaton has 52 states. Word has length 74 [2018-03-28 12:27:53,213 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-03-28 12:27:53,213 INFO L225 Difference]: With dead ends: 240 [2018-03-28 12:27:53,213 INFO L226 Difference]: Without dead ends: 234 [2018-03-28 12:27:53,215 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 205 GetRequests, 96 SyntacticMatches, 1 SemanticMatches, 108 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2145 ImplicationChecksByTransitivity, 8.3s TimeCoverageRelationStatistics Valid=1201, Invalid=10789, Unknown=0, NotChecked=0, Total=11990 [2018-03-28 12:27:53,216 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 234 states. [2018-03-28 12:27:53,227 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 234 to 211. [2018-03-28 12:27:53,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 211 states. [2018-03-28 12:27:53,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 211 states and 221 transitions. [2018-03-28 12:27:53,229 INFO L78 Accepts]: Start accepts. Automaton has 211 states and 221 transitions. Word has length 74 [2018-03-28 12:27:53,229 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-03-28 12:27:53,229 INFO L459 AbstractCegarLoop]: Abstraction has 211 states and 221 transitions. [2018-03-28 12:27:53,229 INFO L460 AbstractCegarLoop]: Interpolant automaton has 52 states. [2018-03-28 12:27:53,229 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 221 transitions. [2018-03-28 12:27:53,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2018-03-28 12:27:53,230 INFO L347 BasicCegarLoop]: Found error trace [2018-03-28 12:27:53,230 INFO L355 BasicCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-03-28 12:27:53,230 INFO L408 AbstractCegarLoop]: === Iteration 26 === [__U_MULTI_fopenbsd_cstrncat_alloca_true_valid_memsafety_true_termination_i__cstrncatErr3RequiresViolation, __U_MULTI_fopenbsd_cstrncat_alloca_true_valid_memsafety_true_termination_i__cstrncatErr1RequiresViolation, __U_MULTI_fopenbsd_cstrncat_alloca_true_valid_memsafety_true_termination_i__cstrncatErr7RequiresViolation, __U_MULTI_fopenbsd_cstrncat_alloca_true_valid_memsafety_true_termination_i__cstrncatErr2RequiresViolation, __U_MULTI_fopenbsd_cstrncat_alloca_true_valid_memsafety_true_termination_i__cstrncatErr4RequiresViolation, __U_MULTI_fopenbsd_cstrncat_alloca_true_valid_memsafety_true_termination_i__cstrncatErr0RequiresViolation, __U_MULTI_fopenbsd_cstrncat_alloca_true_valid_memsafety_true_termination_i__cstrncatErr6RequiresViolation, __U_MULTI_fopenbsd_cstrncat_alloca_true_valid_memsafety_true_termination_i__cstrncatErr5RequiresViolation, mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-03-28 12:27:53,230 INFO L82 PathProgramCache]: Analyzing trace with hash 109371527, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 27 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 27 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-03-28 12:27:53,236 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-03-28 12:27:53,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-03-28 12:27:53,270 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-03-28 12:27:53,273 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 [2018-03-28 12:27:53,273 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-03-28 12:27:53,275 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-28 12:27:53,275 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2018-03-28 12:27:53,281 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 [2018-03-28 12:27:53,281 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-03-28 12:27:53,288 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 12:27:53,289 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 12:27:53,289 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 4 [2018-03-28 12:27:53,289 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-28 12:27:53,293 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-28 12:27:53,293 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:20, output treesize:13 [2018-03-28 12:27:53,308 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 12 [2018-03-28 12:27:53,310 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2018-03-28 12:27:53,310 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-28 12:27:53,311 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-28 12:27:53,314 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-03-28 12:27:53,315 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:20, output treesize:16 [2018-03-28 12:27:53,461 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 24 [2018-03-28 12:27:53,463 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-03-28 12:27:53,506 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-28 12:27:53,511 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-28 12:27:53,518 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-03-28 12:27:53,518 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:30, output treesize:15 [2018-03-28 12:27:53,572 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 17 [2018-03-28 12:27:53,578 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 17 treesize of output 14 [2018-03-28 12:27:53,578 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 2 xjuncts. [2018-03-28 12:27:53,581 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-03-28 12:27:53,585 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2018-03-28 12:27:53,586 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:29, output treesize:32 [2018-03-28 12:27:53,663 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 23 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-03-28 12:27:53,663 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-03-28 12:27:54,342 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 30 [2018-03-28 12:27:54,356 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 [2018-03-28 12:27:54,357 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-28 12:27:54,374 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 20 [2018-03-28 12:27:54,375 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 1 [2018-03-28 12:27:54,376 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-03-28 12:27:54,378 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-28 12:27:54,380 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 17 [2018-03-28 12:27:54,381 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 12 [2018-03-28 12:27:54,382 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-03-28 12:27:54,383 INFO L267 ElimStorePlain]: Start of recursive call 6: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-28 12:27:54,393 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 4 xjuncts. [2018-03-28 12:27:54,411 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: and 4 xjuncts. [2018-03-28 12:27:54,411 INFO L202 ElimStorePlain]: Needed 7 recursive calls to eliminate 4 variables, input treesize:57, output treesize:84 [2018-03-28 12:27:54,574 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 23 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-03-28 12:27:54,595 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-03-28 12:27:54,595 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 21] total 41 [2018-03-28 12:27:54,596 INFO L442 AbstractCegarLoop]: Interpolant automaton has 42 states [2018-03-28 12:27:54,596 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 42 interpolants. [2018-03-28 12:27:54,596 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=119, Invalid=1603, Unknown=0, NotChecked=0, Total=1722 [2018-03-28 12:27:54,596 INFO L87 Difference]: Start difference. First operand 211 states and 221 transitions. Second operand 42 states. [2018-03-28 12:27:56,427 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-03-28 12:27:56,427 INFO L93 Difference]: Finished difference Result 239 states and 248 transitions. [2018-03-28 12:27:56,428 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2018-03-28 12:27:56,428 INFO L78 Accepts]: Start accepts. Automaton has 42 states. Word has length 77 [2018-03-28 12:27:56,428 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-03-28 12:27:56,429 INFO L225 Difference]: With dead ends: 239 [2018-03-28 12:27:56,429 INFO L226 Difference]: Without dead ends: 238 [2018-03-28 12:27:56,430 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 182 GetRequests, 113 SyntacticMatches, 0 SemanticMatches, 69 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 775 ImplicationChecksByTransitivity, 2.3s TimeCoverageRelationStatistics Valid=538, Invalid=4432, Unknown=0, NotChecked=0, Total=4970 [2018-03-28 12:27:56,430 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 238 states. [2018-03-28 12:27:56,443 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 238 to 192. [2018-03-28 12:27:56,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 192 states. [2018-03-28 12:27:56,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 192 states and 203 transitions. [2018-03-28 12:27:56,444 INFO L78 Accepts]: Start accepts. Automaton has 192 states and 203 transitions. Word has length 77 [2018-03-28 12:27:56,444 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-03-28 12:27:56,444 INFO L459 AbstractCegarLoop]: Abstraction has 192 states and 203 transitions. [2018-03-28 12:27:56,444 INFO L460 AbstractCegarLoop]: Interpolant automaton has 42 states. [2018-03-28 12:27:56,444 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 203 transitions. [2018-03-28 12:27:56,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2018-03-28 12:27:56,445 INFO L347 BasicCegarLoop]: Found error trace [2018-03-28 12:27:56,445 INFO L355 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-03-28 12:27:56,445 INFO L408 AbstractCegarLoop]: === Iteration 27 === [__U_MULTI_fopenbsd_cstrncat_alloca_true_valid_memsafety_true_termination_i__cstrncatErr3RequiresViolation, __U_MULTI_fopenbsd_cstrncat_alloca_true_valid_memsafety_true_termination_i__cstrncatErr1RequiresViolation, __U_MULTI_fopenbsd_cstrncat_alloca_true_valid_memsafety_true_termination_i__cstrncatErr7RequiresViolation, __U_MULTI_fopenbsd_cstrncat_alloca_true_valid_memsafety_true_termination_i__cstrncatErr2RequiresViolation, __U_MULTI_fopenbsd_cstrncat_alloca_true_valid_memsafety_true_termination_i__cstrncatErr4RequiresViolation, __U_MULTI_fopenbsd_cstrncat_alloca_true_valid_memsafety_true_termination_i__cstrncatErr0RequiresViolation, __U_MULTI_fopenbsd_cstrncat_alloca_true_valid_memsafety_true_termination_i__cstrncatErr6RequiresViolation, __U_MULTI_fopenbsd_cstrncat_alloca_true_valid_memsafety_true_termination_i__cstrncatErr5RequiresViolation, mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-03-28 12:27:56,445 INFO L82 PathProgramCache]: Analyzing trace with hash 613204894, now seen corresponding path program 3 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 28 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 28 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-03-28 12:27:56,456 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-03-28 12:27:56,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-03-28 12:27:56,484 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-03-28 12:27:56,505 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 [2018-03-28 12:27:56,505 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-03-28 12:27:56,513 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 [2018-03-28 12:27:56,514 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-28 12:27:56,520 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-28 12:27:56,520 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:27, output treesize:25 [2018-03-28 12:27:56,543 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 12:27:56,544 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 12:27:56,545 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 4 [2018-03-28 12:27:56,545 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-03-28 12:27:56,556 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 12:27:56,556 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 21 [2018-03-28 12:27:56,557 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-28 12:27:56,567 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-28 12:27:56,567 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:39, output treesize:28 [2018-03-28 12:27:56,599 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 19 treesize of output 16 [2018-03-28 12:27:56,601 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 16 treesize of output 15 [2018-03-28 12:27:56,601 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-28 12:27:56,602 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-28 12:27:56,612 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. [2018-03-28 12:27:56,612 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:44, output treesize:40 [2018-03-28 12:27:56,633 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 12:27:56,636 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 33 [2018-03-28 12:27:56,638 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 12 [2018-03-28 12:27:56,638 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-28 12:27:56,642 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-28 12:27:56,652 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. [2018-03-28 12:27:56,652 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:55, output treesize:51 [2018-03-28 12:27:57,855 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 12:27:57,856 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 65 treesize of output 57 [2018-03-28 12:27:57,864 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 16 treesize of output 13 [2018-03-28 12:27:57,864 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 2 xjuncts. [2018-03-28 12:27:57,879 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 12:27:57,880 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 12:27:57,881 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 12:27:57,888 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 9 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 79 [2018-03-28 12:27:57,888 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-03-28 12:27:57,903 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-03-28 12:27:57,940 INFO L267 ElimStorePlain]: Start of recursive call 1: 5 dim-0 vars, 1 dim-2 vars, End of recursive call: 6 dim-0 vars, and 2 xjuncts. [2018-03-28 12:27:57,940 INFO L202 ElimStorePlain]: Needed 4 recursive calls to eliminate 6 variables, input treesize:102, output treesize:244 [2018-03-28 12:27:58,322 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 0 proven. 54 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-28 12:27:58,322 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-03-28 12:28:01,365 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 172 treesize of output 89 [2018-03-28 12:28:01,418 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 15 treesize of output 14 [2018-03-28 12:28:01,418 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-28 12:28:01,443 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 55 treesize of output 53 [2018-03-28 12:28:01,486 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 49 treesize of output 47 [2018-03-28 12:28:01,487 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-03-28 12:28:01,509 INFO L682 Elim1Store]: detected equality via solver [2018-03-28 12:28:01,509 INFO L682 Elim1Store]: detected equality via solver [2018-03-28 12:28:01,509 INFO L682 Elim1Store]: detected equality via solver [2018-03-28 12:28:01,512 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 9 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 74 [2018-03-28 12:28:01,513 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-03-28 12:28:01,539 INFO L682 Elim1Store]: detected equality via solver [2018-03-28 12:28:01,540 INFO L682 Elim1Store]: detected equality via solver [2018-03-28 12:28:01,540 INFO L682 Elim1Store]: detected equality via solver [2018-03-28 12:28:01,556 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 12 disjoint index pairs (out of 10 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 46 treesize of output 113 [2018-03-28 12:28:01,558 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 8 xjuncts. [2018-03-28 12:28:01,595 INFO L267 ElimStorePlain]: Start of recursive call 4: 3 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-03-28 12:28:01,625 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 4 xjuncts. [2018-03-28 12:28:01,678 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2018-03-28 12:28:01,678 INFO L202 ElimStorePlain]: Needed 7 recursive calls to eliminate 3 variables, input treesize:191, output treesize:571 [2018-03-28 12:28:02,067 WARN L151 SmtUtils]: Spent 223ms on a formula simplification. DAG size of input: 94 DAG size of output 65 [2018-03-28 12:28:02,485 WARN L151 SmtUtils]: Spent 259ms on a formula simplification. DAG size of input: 89 DAG size of output 74 [2018-03-28 12:28:03,014 WARN L151 SmtUtils]: Spent 286ms on a formula simplification. DAG size of input: 168 DAG size of output 157 [2018-03-28 12:28:03,402 WARN L148 SmtUtils]: Spent 132ms on a formula simplification that was a NOOP. DAG size: 177 [2018-03-28 12:28:03,550 WARN L151 SmtUtils]: Spent 135ms on a formula simplification. DAG size of input: 229 DAG size of output 117 [2018-03-28 12:28:03,553 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 32 [2018-03-28 12:28:03,573 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 3 [2018-03-28 12:28:03,573 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-28 12:28:03,578 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-28 12:28:03,630 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 15 [2018-03-28 12:28:03,640 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-03-28 12:28:03,691 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 32 [2018-03-28 12:28:03,708 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 3 [2018-03-28 12:28:03,708 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-03-28 12:28:03,718 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-28 12:28:03,767 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 15 [2018-03-28 12:28:03,768 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-03-28 12:28:03,815 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 30 [2018-03-28 12:28:03,832 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 3 [2018-03-28 12:28:03,832 INFO L267 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2018-03-28 12:28:03,837 INFO L267 ElimStorePlain]: Start of recursive call 8: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-28 12:28:03,884 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 23 [2018-03-28 12:28:03,884 INFO L267 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2018-03-28 12:28:03,929 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 32 [2018-03-28 12:28:03,946 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 3 [2018-03-28 12:28:03,946 INFO L267 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2018-03-28 12:28:03,951 INFO L267 ElimStorePlain]: Start of recursive call 11: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-28 12:28:03,995 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 23 [2018-03-28 12:28:03,996 INFO L267 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2018-03-28 12:28:04,038 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 15 [2018-03-28 12:28:04,038 INFO L267 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2018-03-28 12:28:04,079 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 13 [2018-03-28 12:28:04,079 INFO L267 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2018-03-28 12:28:04,119 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 26 [2018-03-28 12:28:04,133 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 3 [2018-03-28 12:28:04,134 INFO L267 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 1 xjuncts. [2018-03-28 12:28:04,138 INFO L267 ElimStorePlain]: Start of recursive call 16: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-28 12:28:04,177 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 30 [2018-03-28 12:28:04,194 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 3 [2018-03-28 12:28:04,194 INFO L267 ElimStorePlain]: Start of recursive call 19: End of recursive call: and 1 xjuncts. [2018-03-28 12:28:04,199 INFO L267 ElimStorePlain]: Start of recursive call 18: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-28 12:28:04,238 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 13 [2018-03-28 12:28:04,238 INFO L267 ElimStorePlain]: Start of recursive call 20: End of recursive call: and 1 xjuncts. [2018-03-28 12:28:04,276 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 26 [2018-03-28 12:28:04,290 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 3 [2018-03-28 12:28:04,290 INFO L267 ElimStorePlain]: Start of recursive call 22: End of recursive call: and 1 xjuncts. [2018-03-28 12:28:04,294 INFO L267 ElimStorePlain]: Start of recursive call 21: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-28 12:28:04,329 INFO L267 ElimStorePlain]: Start of recursive call 1: 14 dim-0 vars, 14 dim-1 vars, End of recursive call: and 7 xjuncts. [2018-03-28 12:28:04,329 INFO L202 ElimStorePlain]: Needed 22 recursive calls to eliminate 48 variables, input treesize:527, output treesize:81 [2018-03-28 12:28:04,598 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 0 proven. 54 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-28 12:28:04,619 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-03-28 12:28:04,620 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [35, 35] total 68 [2018-03-28 12:28:04,620 INFO L442 AbstractCegarLoop]: Interpolant automaton has 69 states [2018-03-28 12:28:04,620 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 69 interpolants. [2018-03-28 12:28:04,621 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=310, Invalid=4382, Unknown=0, NotChecked=0, Total=4692 [2018-03-28 12:28:04,621 INFO L87 Difference]: Start difference. First operand 192 states and 203 transitions. Second operand 69 states. [2018-03-28 12:28:05,523 WARN L151 SmtUtils]: Spent 543ms on a formula simplification. DAG size of input: 271 DAG size of output 209 [2018-03-28 12:28:06,307 WARN L151 SmtUtils]: Spent 500ms on a formula simplification. DAG size of input: 268 DAG size of output 205 [2018-03-28 12:28:06,858 WARN L151 SmtUtils]: Spent 196ms on a formula simplification. DAG size of input: 263 DAG size of output 98 [2018-03-28 12:28:13,334 WARN L151 SmtUtils]: Spent 176ms on a formula simplification. DAG size of input: 84 DAG size of output 81 [2018-03-28 12:28:17,373 WARN L151 SmtUtils]: Spent 180ms on a formula simplification. DAG size of input: 91 DAG size of output 88 [2018-03-28 12:28:22,839 WARN L151 SmtUtils]: Spent 110ms on a formula simplification. DAG size of input: 112 DAG size of output 111 [2018-03-28 12:28:23,212 WARN L151 SmtUtils]: Spent 121ms on a formula simplification. DAG size of input: 114 DAG size of output 113 [2018-03-28 12:28:23,564 WARN L151 SmtUtils]: Spent 114ms on a formula simplification. DAG size of input: 112 DAG size of output 111 [2018-03-28 12:28:23,821 WARN L151 SmtUtils]: Spent 100ms on a formula simplification. DAG size of input: 109 DAG size of output 108 [2018-03-28 12:28:24,155 WARN L151 SmtUtils]: Spent 175ms on a formula simplification. DAG size of input: 131 DAG size of output 130 [2018-03-28 12:28:24,860 WARN L151 SmtUtils]: Spent 132ms on a formula simplification. DAG size of input: 120 DAG size of output 117 [2018-03-28 12:28:27,602 WARN L151 SmtUtils]: Spent 132ms on a formula simplification. DAG size of input: 117 DAG size of output 116 [2018-03-28 12:28:27,934 WARN L151 SmtUtils]: Spent 144ms on a formula simplification. DAG size of input: 119 DAG size of output 118 [2018-03-28 12:28:28,265 WARN L151 SmtUtils]: Spent 130ms on a formula simplification. DAG size of input: 117 DAG size of output 116 [2018-03-28 12:28:28,546 WARN L151 SmtUtils]: Spent 109ms on a formula simplification. DAG size of input: 114 DAG size of output 113 [2018-03-28 12:28:28,914 WARN L151 SmtUtils]: Spent 200ms on a formula simplification. DAG size of input: 140 DAG size of output 139 [2018-03-28 12:28:29,876 WARN L151 SmtUtils]: Spent 148ms on a formula simplification. DAG size of input: 125 DAG size of output 122 [2018-03-28 12:28:30,723 WARN L151 SmtUtils]: Spent 320ms on a formula simplification. DAG size of input: 155 DAG size of output 141 [2018-03-28 12:28:31,214 WARN L151 SmtUtils]: Spent 282ms on a formula simplification. DAG size of input: 153 DAG size of output 139 [2018-03-28 12:28:31,585 WARN L151 SmtUtils]: Spent 145ms on a formula simplification. DAG size of input: 120 DAG size of output 119 [2018-03-28 12:28:32,178 WARN L151 SmtUtils]: Spent 381ms on a formula simplification. DAG size of input: 178 DAG size of output 167 [2018-03-28 12:28:32,857 WARN L151 SmtUtils]: Spent 217ms on a formula simplification. DAG size of input: 143 DAG size of output 135 [2018-03-28 12:28:33,304 WARN L151 SmtUtils]: Spent 193ms on a formula simplification. DAG size of input: 135 DAG size of output 134 [2018-03-28 12:28:33,630 WARN L151 SmtUtils]: Spent 133ms on a formula simplification. DAG size of input: 117 DAG size of output 106 [2018-03-28 12:28:36,013 WARN L151 SmtUtils]: Spent 146ms on a formula simplification. DAG size of input: 114 DAG size of output 113 [2018-03-28 12:28:36,430 WARN L151 SmtUtils]: Spent 205ms on a formula simplification. DAG size of input: 140 DAG size of output 127 [2018-03-28 12:28:36,796 WARN L151 SmtUtils]: Spent 184ms on a formula simplification. DAG size of input: 125 DAG size of output 110 [2018-03-28 12:28:37,708 WARN L151 SmtUtils]: Spent 226ms on a formula simplification. DAG size of input: 133 DAG size of output 116 [2018-03-28 12:28:38,057 WARN L151 SmtUtils]: Spent 121ms on a formula simplification. DAG size of input: 119 DAG size of output 106 [2018-03-28 12:28:38,372 WARN L151 SmtUtils]: Spent 148ms on a formula simplification. DAG size of input: 135 DAG size of output 124 [2018-03-28 12:28:38,765 WARN L151 SmtUtils]: Spent 146ms on a formula simplification. DAG size of input: 114 DAG size of output 110 [2018-03-28 12:28:39,082 WARN L151 SmtUtils]: Spent 149ms on a formula simplification. DAG size of input: 127 DAG size of output 113 [2018-03-28 12:28:39,533 WARN L151 SmtUtils]: Spent 102ms on a formula simplification. DAG size of input: 95 DAG size of output 86 [2018-03-28 12:28:40,442 WARN L151 SmtUtils]: Spent 143ms on a formula simplification. DAG size of input: 101 DAG size of output 89 [2018-03-28 12:28:41,207 WARN L151 SmtUtils]: Spent 194ms on a formula simplification. DAG size of input: 117 DAG size of output 101 [2018-03-28 12:28:41,583 WARN L151 SmtUtils]: Spent 109ms on a formula simplification. DAG size of input: 97 DAG size of output 86 [2018-03-28 12:28:41,907 WARN L151 SmtUtils]: Spent 135ms on a formula simplification. DAG size of input: 103 DAG size of output 96 [2018-03-28 12:28:42,588 WARN L151 SmtUtils]: Spent 142ms on a formula simplification. DAG size of input: 105 DAG size of output 93 [2018-03-28 12:28:43,711 WARN L151 SmtUtils]: Spent 177ms on a formula simplification. DAG size of input: 113 DAG size of output 98 [2018-03-28 12:28:44,318 WARN L151 SmtUtils]: Spent 113ms on a formula simplification. DAG size of input: 90 DAG size of output 87 [2018-03-28 12:28:44,785 WARN L151 SmtUtils]: Spent 151ms on a formula simplification. DAG size of input: 109 DAG size of output 96 [2018-03-28 12:28:44,790 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-03-28 12:28:44,790 INFO L93 Difference]: Finished difference Result 313 states and 331 transitions. [2018-03-28 12:28:44,790 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 95 states. [2018-03-28 12:28:44,790 INFO L78 Accepts]: Start accepts. Automaton has 69 states. Word has length 80 [2018-03-28 12:28:44,790 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-03-28 12:28:44,791 INFO L225 Difference]: With dead ends: 313 [2018-03-28 12:28:44,791 INFO L226 Difference]: Without dead ends: 307 [2018-03-28 12:28:44,792 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 244 GetRequests, 85 SyntacticMatches, 7 SemanticMatches, 152 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6289 ImplicationChecksByTransitivity, 28.5s TimeCoverageRelationStatistics Valid=2248, Invalid=21314, Unknown=0, NotChecked=0, Total=23562 [2018-03-28 12:28:44,793 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 307 states. [2018-03-28 12:28:44,822 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 307 to 220. [2018-03-28 12:28:44,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 220 states. [2018-03-28 12:28:44,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 220 states and 235 transitions. [2018-03-28 12:28:44,823 INFO L78 Accepts]: Start accepts. Automaton has 220 states and 235 transitions. Word has length 80 [2018-03-28 12:28:44,823 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-03-28 12:28:44,823 INFO L459 AbstractCegarLoop]: Abstraction has 220 states and 235 transitions. [2018-03-28 12:28:44,823 INFO L460 AbstractCegarLoop]: Interpolant automaton has 69 states. [2018-03-28 12:28:44,823 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states and 235 transitions. [2018-03-28 12:28:44,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2018-03-28 12:28:44,823 INFO L347 BasicCegarLoop]: Found error trace [2018-03-28 12:28:44,824 INFO L355 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-03-28 12:28:44,824 INFO L408 AbstractCegarLoop]: === Iteration 28 === [__U_MULTI_fopenbsd_cstrncat_alloca_true_valid_memsafety_true_termination_i__cstrncatErr3RequiresViolation, __U_MULTI_fopenbsd_cstrncat_alloca_true_valid_memsafety_true_termination_i__cstrncatErr1RequiresViolation, __U_MULTI_fopenbsd_cstrncat_alloca_true_valid_memsafety_true_termination_i__cstrncatErr7RequiresViolation, __U_MULTI_fopenbsd_cstrncat_alloca_true_valid_memsafety_true_termination_i__cstrncatErr2RequiresViolation, __U_MULTI_fopenbsd_cstrncat_alloca_true_valid_memsafety_true_termination_i__cstrncatErr4RequiresViolation, __U_MULTI_fopenbsd_cstrncat_alloca_true_valid_memsafety_true_termination_i__cstrncatErr0RequiresViolation, __U_MULTI_fopenbsd_cstrncat_alloca_true_valid_memsafety_true_termination_i__cstrncatErr6RequiresViolation, __U_MULTI_fopenbsd_cstrncat_alloca_true_valid_memsafety_true_termination_i__cstrncatErr5RequiresViolation, mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-03-28 12:28:44,824 INFO L82 PathProgramCache]: Analyzing trace with hash -2111619797, now seen corresponding path program 2 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 29 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 29 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-03-28 12:28:44,829 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-03-28 12:28:44,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-03-28 12:28:44,858 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-03-28 12:28:44,876 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 [2018-03-28 12:28:44,876 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-03-28 12:28:44,899 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 [2018-03-28 12:28:44,899 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-28 12:28:44,953 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-28 12:28:44,953 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:26, output treesize:24 [2018-03-28 12:28:45,029 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 12:28:45,030 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 12:28:45,032 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 4 [2018-03-28 12:28:45,033 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-03-28 12:28:45,044 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 15 [2018-03-28 12:28:45,045 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-28 12:28:45,052 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-28 12:28:45,052 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:35, output treesize:28 [2018-03-28 12:28:45,085 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 16 [2018-03-28 12:28:45,086 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 15 [2018-03-28 12:28:45,087 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-28 12:28:45,089 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-28 12:28:45,097 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-03-28 12:28:45,097 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:44, output treesize:40 [2018-03-28 12:28:45,117 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 33 [2018-03-28 12:28:45,119 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 12 [2018-03-28 12:28:45,119 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-28 12:28:45,123 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-28 12:28:45,131 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. [2018-03-28 12:28:45,131 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:53, output treesize:49 [2018-03-28 12:28:45,431 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 33 [2018-03-28 12:28:45,438 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 19 treesize of output 16 [2018-03-28 12:28:45,438 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 2 xjuncts. [2018-03-28 12:28:45,445 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 1 [2018-03-28 12:28:45,446 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-03-28 12:28:45,449 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-03-28 12:28:45,460 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2018-03-28 12:28:45,460 INFO L202 ElimStorePlain]: Needed 4 recursive calls to eliminate 3 variables, input treesize:64, output treesize:75 [2018-03-28 12:28:46,420 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-28 12:28:46,420 INFO L314 TraceCheckSpWp]: Computing backward predicates... Received shutdown request... [2018-03-28 12:28:47,183 INFO L175 TraceCheckSpWp]: Timeout while computing interpolants [2018-03-28 12:28:47,183 WARN L519 AbstractCegarLoop]: Verification canceled [2018-03-28 12:28:47,187 WARN L197 ceAbstractionStarter]: Timeout [2018-03-28 12:28:47,187 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.03 12:28:47 BoogieIcfgContainer [2018-03-28 12:28:47,187 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-03-28 12:28:47,188 INFO L168 Benchmark]: Toolchain (without parser) took 149505.20 ms. Allocated memory was 306.2 MB in the beginning and 454.6 MB in the end (delta: 148.4 MB). Free memory was 243.8 MB in the beginning and 368.9 MB in the end (delta: -125.1 MB). Peak memory consumption was 23.3 MB. Max. memory is 5.3 GB. [2018-03-28 12:28:47,189 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 306.2 MB. Free memory is still 267.3 MB. There was no memory consumed. Max. memory is 5.3 GB. [2018-03-28 12:28:47,189 INFO L168 Benchmark]: CACSL2BoogieTranslator took 328.54 ms. Allocated memory is still 306.2 MB. Free memory was 243.8 MB in the beginning and 217.9 MB in the end (delta: 25.9 MB). Peak memory consumption was 25.9 MB. Max. memory is 5.3 GB. [2018-03-28 12:28:47,189 INFO L168 Benchmark]: Boogie Preprocessor took 57.27 ms. Allocated memory is still 306.2 MB. Free memory was 217.9 MB in the beginning and 215.9 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 5.3 GB. [2018-03-28 12:28:47,190 INFO L168 Benchmark]: RCFGBuilder took 525.60 ms. Allocated memory was 306.2 MB in the beginning and 466.6 MB in the end (delta: 160.4 MB). Free memory was 215.9 MB in the beginning and 398.1 MB in the end (delta: -182.2 MB). Peak memory consumption was 22.6 MB. Max. memory is 5.3 GB. [2018-03-28 12:28:47,190 INFO L168 Benchmark]: TraceAbstraction took 148589.12 ms. Allocated memory was 466.6 MB in the beginning and 454.6 MB in the end (delta: -12.1 MB). Free memory was 398.1 MB in the beginning and 368.9 MB in the end (delta: 29.1 MB). Peak memory consumption was 17.1 MB. Max. memory is 5.3 GB. [2018-03-28 12:28:47,191 INFO L344 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 306.2 MB. Free memory is still 267.3 MB. There was no memory consumed. Max. memory is 5.3 GB. * CACSL2BoogieTranslator took 328.54 ms. Allocated memory is still 306.2 MB. Free memory was 243.8 MB in the beginning and 217.9 MB in the end (delta: 25.9 MB). Peak memory consumption was 25.9 MB. Max. memory is 5.3 GB. * Boogie Preprocessor took 57.27 ms. Allocated memory is still 306.2 MB. Free memory was 217.9 MB in the beginning and 215.9 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 5.3 GB. * RCFGBuilder took 525.60 ms. Allocated memory was 306.2 MB in the beginning and 466.6 MB in the end (delta: 160.4 MB). Free memory was 215.9 MB in the beginning and 398.1 MB in the end (delta: -182.2 MB). Peak memory consumption was 22.6 MB. Max. memory is 5.3 GB. * TraceAbstraction took 148589.12 ms. Allocated memory was 466.6 MB in the beginning and 454.6 MB in the end (delta: -12.1 MB). Free memory was 398.1 MB in the beginning and 368.9 MB in the end (delta: 29.1 MB). Peak memory consumption was 17.1 MB. Max. memory is 5.3 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 549]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 549). Cancelled while BasicCegarLoop was analyzing trace of length 82 with TraceHistMax 3, while TraceCheckSpWp was constructing backward predicates, while PredicateComparison was comparing new predicate (quantifier-free) to 47 known predicates. - TimeoutResultAtElement [Line: 546]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 546). Cancelled while BasicCegarLoop was analyzing trace of length 82 with TraceHistMax 3, while TraceCheckSpWp was constructing backward predicates, while PredicateComparison was comparing new predicate (quantifier-free) to 47 known predicates. - TimeoutResultAtElement [Line: 553]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 553). Cancelled while BasicCegarLoop was analyzing trace of length 82 with TraceHistMax 3, while TraceCheckSpWp was constructing backward predicates, while PredicateComparison was comparing new predicate (quantifier-free) to 47 known predicates. - TimeoutResultAtElement [Line: 549]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 549). Cancelled while BasicCegarLoop was analyzing trace of length 82 with TraceHistMax 3, while TraceCheckSpWp was constructing backward predicates, while PredicateComparison was comparing new predicate (quantifier-free) to 47 known predicates. - TimeoutResultAtElement [Line: 549]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 549). Cancelled while BasicCegarLoop was analyzing trace of length 82 with TraceHistMax 3, while TraceCheckSpWp was constructing backward predicates, while PredicateComparison was comparing new predicate (quantifier-free) to 47 known predicates. - TimeoutResultAtElement [Line: 546]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 546). Cancelled while BasicCegarLoop was analyzing trace of length 82 with TraceHistMax 3, while TraceCheckSpWp was constructing backward predicates, while PredicateComparison was comparing new predicate (quantifier-free) to 47 known predicates. - TimeoutResultAtElement [Line: 553]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 553). Cancelled while BasicCegarLoop was analyzing trace of length 82 with TraceHistMax 3, while TraceCheckSpWp was constructing backward predicates, while PredicateComparison was comparing new predicate (quantifier-free) to 47 known predicates. - TimeoutResultAtElement [Line: 549]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 549). Cancelled while BasicCegarLoop was analyzing trace of length 82 with TraceHistMax 3, while TraceCheckSpWp was constructing backward predicates, while PredicateComparison was comparing new predicate (quantifier-free) to 47 known predicates. - TimeoutResultAtElement [Line: 574]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 574). Cancelled while BasicCegarLoop was analyzing trace of length 82 with TraceHistMax 3, while TraceCheckSpWp was constructing backward predicates, while PredicateComparison was comparing new predicate (quantifier-free) to 47 known predicates. - TimeoutResultAtElement [Line: 573]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 573). Cancelled while BasicCegarLoop was analyzing trace of length 82 with TraceHistMax 3, while TraceCheckSpWp was constructing backward predicates, while PredicateComparison was comparing new predicate (quantifier-free) to 47 known predicates. - TimeoutResultAtElement [Line: 574]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 574). Cancelled while BasicCegarLoop was analyzing trace of length 82 with TraceHistMax 3, while TraceCheckSpWp was constructing backward predicates, while PredicateComparison was comparing new predicate (quantifier-free) to 47 known predicates. - TimeoutResultAtElement [Line: 557]: Timeout (TraceAbstraction) Unable to prove that all allocated memory was freed (line 557). Cancelled while BasicCegarLoop was analyzing trace of length 82 with TraceHistMax 3, while TraceCheckSpWp was constructing backward predicates, while PredicateComparison was comparing new predicate (quantifier-free) to 47 known predicates. - TimeoutResultAtElement [Line: 573]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 573). Cancelled while BasicCegarLoop was analyzing trace of length 82 with TraceHistMax 3, while TraceCheckSpWp was constructing backward predicates, while PredicateComparison was comparing new predicate (quantifier-free) to 47 known predicates. - StatisticsResult: Ultimate Automizer benchmark data CFG has 6 procedures, 99 locations, 13 error locations. TIMEOUT Result, 148.5s OverallTime, 28 OverallIterations, 5 TraceHistogramMax, 120.9s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 1985 SDtfs, 5608 SDslu, 17997 SDs, 0 SdLazy, 12954 SolverSat, 799 SolverUnsat, 10 SolverUnknown, 0 SolverNotchecked, 34.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2915 GetRequests, 1933 SyntacticMatches, 33 SemanticMatches, 949 ConstructedPredicates, 20 IntricatePredicates, 0 DeprecatedPredicates, 15743 ImplicationChecksByTransitivity, 103.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=220occurred in iteration=27, 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: 0.2s AutomataMinimizationTime, 27 MinimizatonAttempts, 592 StatesRemovedByMinimization, 19 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 23.4s InterpolantComputationTime, 1254 NumberOfCodeBlocks, 1254 NumberOfCodeBlocksAsserted, 27 NumberOfCheckSat, 2454 ConstructedInterpolants, 488 QuantifiedInterpolants, 2284593 SizeOfPredicates, 432 NumberOfNonLiveVariables, 3779 ConjunctsInSsa, 804 ConjunctsInUnsatCore, 54 InterpolantComputations, 34 PerfectInterpolantSequences, 10/338 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/openbsd_cstrncat-alloca_true-valid-memsafety_true-termination.i_svcomp-DerefFreeMemtrack-32bit-Automizer_Fixed_noBitfields+AI_EQ_SS.epf_AutomizerC.xml/Csv-Benchmark-0-2018-03-28_12-28-47-199.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/openbsd_cstrncat-alloca_true-valid-memsafety_true-termination.i_svcomp-DerefFreeMemtrack-32bit-Automizer_Fixed_noBitfields+AI_EQ_SS.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-0-2018-03-28_12-28-47-199.csv Completed graceful shutdown