java -Xmx6000000000 -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data ./data --generate-csv --csv-dir ../../../releaseScripts/default/UAutomizer-linux/csv --cacsl2boogietranslator.bitprecise.bitfields false -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/cade18-smtinterpol/svcomp-DerefFreeMemtrack-32bit-Automizer_SmtInterpol_Array.epf -i ../../../trunk/examples/svcomp/array-memsafety/cstrcspn-alloca_true-valid-memsafety_true-termination.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-408c70d-m [2018-04-12 19:58:57,693 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-04-12 19:58:57,694 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-04-12 19:58:57,705 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-04-12 19:58:57,705 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-04-12 19:58:57,706 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-04-12 19:58:57,707 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-04-12 19:58:57,709 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-04-12 19:58:57,710 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-04-12 19:58:57,711 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-04-12 19:58:57,712 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-04-12 19:58:57,712 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-04-12 19:58:57,713 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-04-12 19:58:57,714 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-04-12 19:58:57,715 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-04-12 19:58:57,716 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-04-12 19:58:57,718 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-04-12 19:58:57,720 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-04-12 19:58:57,721 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-04-12 19:58:57,722 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-04-12 19:58:57,723 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-04-12 19:58:57,724 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-04-12 19:58:57,724 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-04-12 19:58:57,725 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-04-12 19:58:57,725 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-04-12 19:58:57,726 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-04-12 19:58:57,727 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-04-12 19:58:57,727 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-04-12 19:58:57,728 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-04-12 19:58:57,728 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-04-12 19:58:57,728 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-04-12 19:58:57,729 INFO L98 SettingsManager]: Beginning loading settings from /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/cade18-smtinterpol/svcomp-DerefFreeMemtrack-32bit-Automizer_SmtInterpol_Array.epf [2018-04-12 19:58:57,739 INFO L110 SettingsManager]: Loading preferences was successful [2018-04-12 19:58:57,739 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-04-12 19:58:57,740 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-04-12 19:58:57,740 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-04-12 19:58:57,740 INFO L133 SettingsManager]: * Use SBE=true [2018-04-12 19:58:57,740 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-04-12 19:58:57,741 INFO L133 SettingsManager]: * sizeof long=4 [2018-04-12 19:58:57,741 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-04-12 19:58:57,741 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-04-12 19:58:57,741 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-04-12 19:58:57,741 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-04-12 19:58:57,741 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-04-12 19:58:57,741 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2018-04-12 19:58:57,741 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-04-12 19:58:57,742 INFO L133 SettingsManager]: * sizeof long double=12 [2018-04-12 19:58:57,742 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-04-12 19:58:57,742 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-04-12 19:58:57,742 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-04-12 19:58:57,742 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-04-12 19:58:57,742 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-04-12 19:58:57,743 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-04-12 19:58:57,743 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=Craig_TreeInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Bitprecise bitfields -> false [2018-04-12 19:58:57,772 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-04-12 19:58:57,781 INFO L266 ainManager$Toolchain]: [Toolchain 1]: Parser(s) successfully (re)initialized [2018-04-12 19:58:57,785 INFO L222 ainManager$Toolchain]: [Toolchain 1]: Toolchain data selected. [2018-04-12 19:58:57,786 INFO L271 PluginConnector]: Initializing CDTParser... [2018-04-12 19:58:57,788 INFO L276 PluginConnector]: CDTParser initialized [2018-04-12 19:58:57,788 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/array-memsafety/cstrcspn-alloca_true-valid-memsafety_true-termination.i [2018-04-12 19:58:58,077 INFO L225 CDTParser]: Created temporary CDT project at /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/data/FLAG0f95d3f79 [2018-04-12 19:58:58,221 INFO L287 CDTParser]: IsIndexed: true [2018-04-12 19:58:58,221 INFO L288 CDTParser]: Found 1 translation units. [2018-04-12 19:58:58,222 INFO L168 CDTParser]: Scanning cstrcspn-alloca_true-valid-memsafety_true-termination.i [2018-04-12 19:58:58,228 INFO L210 ultiparseSymbolTable]: Include resolver: [2018-04-12 19:58:58,229 INFO L215 ultiparseSymbolTable]: [2018-04-12 19:58:58,229 INFO L218 ultiparseSymbolTable]: Function table: [2018-04-12 19:58:58,229 INFO L221 ultiparseSymbolTable]: Function definition of __U_MULTI_fcstrcspn_alloca_true_valid_memsafety_true_termination_i____bswap_64 ('__bswap_64') in cstrcspn-alloca_true-valid-memsafety_true-termination.i [2018-04-12 19:58:58,229 INFO L221 ultiparseSymbolTable]: Function definition of __U_MULTI_fcstrcspn_alloca_true_valid_memsafety_true_termination_i____bswap_32 ('__bswap_32') in cstrcspn-alloca_true-valid-memsafety_true-termination.i [2018-04-12 19:58:58,229 INFO L221 ultiparseSymbolTable]: Function definition of __U_MULTI_fcstrcspn_alloca_true_valid_memsafety_true_termination_i__ ('') in cstrcspn-alloca_true-valid-memsafety_true-termination.i [2018-04-12 19:58:58,229 INFO L221 ultiparseSymbolTable]: Function definition of null ('main') in cstrcspn-alloca_true-valid-memsafety_true-termination.i [2018-04-12 19:58:58,230 INFO L227 ultiparseSymbolTable]: Global variable table: [2018-04-12 19:58:58,230 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcspn_alloca_true_valid_memsafety_true_termination_i__fsid_t in cstrcspn-alloca_true-valid-memsafety_true-termination.i [2018-04-12 19:58:58,230 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcspn_alloca_true_valid_memsafety_true_termination_i__u_int16_t in cstrcspn-alloca_true-valid-memsafety_true-termination.i [2018-04-12 19:58:58,230 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcspn_alloca_true_valid_memsafety_true_termination_i____clock_t in cstrcspn-alloca_true-valid-memsafety_true-termination.i [2018-04-12 19:58:58,230 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcspn_alloca_true_valid_memsafety_true_termination_i____daddr_t in cstrcspn-alloca_true-valid-memsafety_true-termination.i [2018-04-12 19:58:58,230 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcspn_alloca_true_valid_memsafety_true_termination_i____blkcnt_t in cstrcspn-alloca_true-valid-memsafety_true-termination.i [2018-04-12 19:58:58,230 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcspn_alloca_true_valid_memsafety_true_termination_i____sigset_t in cstrcspn-alloca_true-valid-memsafety_true-termination.i [2018-04-12 19:58:58,230 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcspn_alloca_true_valid_memsafety_true_termination_i____key_t in cstrcspn-alloca_true-valid-memsafety_true-termination.i [2018-04-12 19:58:58,230 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcspn_alloca_true_valid_memsafety_true_termination_i____uint8_t in cstrcspn-alloca_true-valid-memsafety_true-termination.i [2018-04-12 19:58:58,230 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcspn_alloca_true_valid_memsafety_true_termination_i____clockid_t in cstrcspn-alloca_true-valid-memsafety_true-termination.i [2018-04-12 19:58:58,231 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcspn_alloca_true_valid_memsafety_true_termination_i__pthread_cond_t in cstrcspn-alloca_true-valid-memsafety_true-termination.i [2018-04-12 19:58:58,231 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcspn_alloca_true_valid_memsafety_true_termination_i__clockid_t in cstrcspn-alloca_true-valid-memsafety_true-termination.i [2018-04-12 19:58:58,231 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcspn_alloca_true_valid_memsafety_true_termination_i____loff_t in cstrcspn-alloca_true-valid-memsafety_true-termination.i [2018-04-12 19:58:58,231 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcspn_alloca_true_valid_memsafety_true_termination_i__quad_t in cstrcspn-alloca_true-valid-memsafety_true-termination.i [2018-04-12 19:58:58,231 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcspn_alloca_true_valid_memsafety_true_termination_i__ushort in cstrcspn-alloca_true-valid-memsafety_true-termination.i [2018-04-12 19:58:58,231 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcspn_alloca_true_valid_memsafety_true_termination_i____syscall_slong_t in cstrcspn-alloca_true-valid-memsafety_true-termination.i [2018-04-12 19:58:58,231 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcspn_alloca_true_valid_memsafety_true_termination_i____u_quad_t in cstrcspn-alloca_true-valid-memsafety_true-termination.i [2018-04-12 19:58:58,231 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcspn_alloca_true_valid_memsafety_true_termination_i__suseconds_t in cstrcspn-alloca_true-valid-memsafety_true-termination.i [2018-04-12 19:58:58,231 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcspn_alloca_true_valid_memsafety_true_termination_i__u_long in cstrcspn-alloca_true-valid-memsafety_true-termination.i [2018-04-12 19:58:58,231 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcspn_alloca_true_valid_memsafety_true_termination_i__pthread_barrier_t in cstrcspn-alloca_true-valid-memsafety_true-termination.i [2018-04-12 19:58:58,231 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcspn_alloca_true_valid_memsafety_true_termination_i____useconds_t in cstrcspn-alloca_true-valid-memsafety_true-termination.i [2018-04-12 19:58:58,231 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcspn_alloca_true_valid_memsafety_true_termination_i__fd_mask in cstrcspn-alloca_true-valid-memsafety_true-termination.i [2018-04-12 19:58:58,231 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcspn_alloca_true_valid_memsafety_true_termination_i__wchar_t in cstrcspn-alloca_true-valid-memsafety_true-termination.i [2018-04-12 19:58:58,231 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcspn_alloca_true_valid_memsafety_true_termination_i____quad_t in cstrcspn-alloca_true-valid-memsafety_true-termination.i [2018-04-12 19:58:58,231 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcspn_alloca_true_valid_memsafety_true_termination_i____fd_mask in cstrcspn-alloca_true-valid-memsafety_true-termination.i [2018-04-12 19:58:58,231 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcspn_alloca_true_valid_memsafety_true_termination_i__pthread_t in cstrcspn-alloca_true-valid-memsafety_true-termination.i [2018-04-12 19:58:58,231 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcspn_alloca_true_valid_memsafety_true_termination_i____int64_t in cstrcspn-alloca_true-valid-memsafety_true-termination.i [2018-04-12 19:58:58,231 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcspn_alloca_true_valid_memsafety_true_termination_i__loff_t in cstrcspn-alloca_true-valid-memsafety_true-termination.i [2018-04-12 19:58:58,232 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcspn_alloca_true_valid_memsafety_true_termination_i__daddr_t in cstrcspn-alloca_true-valid-memsafety_true-termination.i [2018-04-12 19:58:58,232 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcspn_alloca_true_valid_memsafety_true_termination_i____WAIT_STATUS in cstrcspn-alloca_true-valid-memsafety_true-termination.i [2018-04-12 19:58:58,232 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcspn_alloca_true_valid_memsafety_true_termination_i__u_int8_t in cstrcspn-alloca_true-valid-memsafety_true-termination.i [2018-04-12 19:58:58,232 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcspn_alloca_true_valid_memsafety_true_termination_i____pid_t in cstrcspn-alloca_true-valid-memsafety_true-termination.i [2018-04-12 19:58:58,232 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcspn_alloca_true_valid_memsafety_true_termination_i__int64_t in cstrcspn-alloca_true-valid-memsafety_true-termination.i [2018-04-12 19:58:58,232 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcspn_alloca_true_valid_memsafety_true_termination_i____uint16_t in cstrcspn-alloca_true-valid-memsafety_true-termination.i [2018-04-12 19:58:58,232 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcspn_alloca_true_valid_memsafety_true_termination_i__pthread_condattr_t in cstrcspn-alloca_true-valid-memsafety_true-termination.i [2018-04-12 19:58:58,232 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcspn_alloca_true_valid_memsafety_true_termination_i____gid_t in cstrcspn-alloca_true-valid-memsafety_true-termination.i [2018-04-12 19:58:58,232 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcspn_alloca_true_valid_memsafety_true_termination_i__ulong in cstrcspn-alloca_true-valid-memsafety_true-termination.i [2018-04-12 19:58:58,232 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcspn_alloca_true_valid_memsafety_true_termination_i____pthread_list_t in cstrcspn-alloca_true-valid-memsafety_true-termination.i [2018-04-12 19:58:58,232 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcspn_alloca_true_valid_memsafety_true_termination_i____fsblkcnt64_t in cstrcspn-alloca_true-valid-memsafety_true-termination.i [2018-04-12 19:58:58,232 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcspn_alloca_true_valid_memsafety_true_termination_i__u_short in cstrcspn-alloca_true-valid-memsafety_true-termination.i [2018-04-12 19:58:58,233 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcspn_alloca_true_valid_memsafety_true_termination_i__u_char in cstrcspn-alloca_true-valid-memsafety_true-termination.i [2018-04-12 19:58:58,233 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcspn_alloca_true_valid_memsafety_true_termination_i__off_t in cstrcspn-alloca_true-valid-memsafety_true-termination.i [2018-04-12 19:58:58,233 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcspn_alloca_true_valid_memsafety_true_termination_i____int8_t in cstrcspn-alloca_true-valid-memsafety_true-termination.i [2018-04-12 19:58:58,233 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcspn_alloca_true_valid_memsafety_true_termination_i__blkcnt_t in cstrcspn-alloca_true-valid-memsafety_true-termination.i [2018-04-12 19:58:58,233 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcspn_alloca_true_valid_memsafety_true_termination_i__gid_t in cstrcspn-alloca_true-valid-memsafety_true-termination.i [2018-04-12 19:58:58,233 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcspn_alloca_true_valid_memsafety_true_termination_i__pid_t in cstrcspn-alloca_true-valid-memsafety_true-termination.i [2018-04-12 19:58:58,233 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcspn_alloca_true_valid_memsafety_true_termination_i__pthread_attr_t in cstrcspn-alloca_true-valid-memsafety_true-termination.i [2018-04-12 19:58:58,233 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcspn_alloca_true_valid_memsafety_true_termination_i__clock_t in cstrcspn-alloca_true-valid-memsafety_true-termination.i [2018-04-12 19:58:58,233 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcspn_alloca_true_valid_memsafety_true_termination_i____caddr_t in cstrcspn-alloca_true-valid-memsafety_true-termination.i [2018-04-12 19:58:58,233 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcspn_alloca_true_valid_memsafety_true_termination_i____mode_t in cstrcspn-alloca_true-valid-memsafety_true-termination.i [2018-04-12 19:58:58,233 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcspn_alloca_true_valid_memsafety_true_termination_i____fsid_t in cstrcspn-alloca_true-valid-memsafety_true-termination.i [2018-04-12 19:58:58,234 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcspn_alloca_true_valid_memsafety_true_termination_i__blksize_t in cstrcspn-alloca_true-valid-memsafety_true-termination.i [2018-04-12 19:58:58,234 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcspn_alloca_true_valid_memsafety_true_termination_i__lldiv_t in cstrcspn-alloca_true-valid-memsafety_true-termination.i [2018-04-12 19:58:58,234 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcspn_alloca_true_valid_memsafety_true_termination_i____intptr_t in cstrcspn-alloca_true-valid-memsafety_true-termination.i [2018-04-12 19:58:58,234 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcspn_alloca_true_valid_memsafety_true_termination_i____socklen_t in cstrcspn-alloca_true-valid-memsafety_true-termination.i [2018-04-12 19:58:58,234 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcspn_alloca_true_valid_memsafety_true_termination_i__int16_t in cstrcspn-alloca_true-valid-memsafety_true-termination.i [2018-04-12 19:58:58,234 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcspn_alloca_true_valid_memsafety_true_termination_i__uid_t in cstrcspn-alloca_true-valid-memsafety_true-termination.i [2018-04-12 19:58:58,234 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcspn_alloca_true_valid_memsafety_true_termination_i__size_t in cstrcspn-alloca_true-valid-memsafety_true-termination.i [2018-04-12 19:58:58,234 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcspn_alloca_true_valid_memsafety_true_termination_i__pthread_once_t in cstrcspn-alloca_true-valid-memsafety_true-termination.i [2018-04-12 19:58:58,234 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcspn_alloca_true_valid_memsafety_true_termination_i____ino_t in cstrcspn-alloca_true-valid-memsafety_true-termination.i [2018-04-12 19:58:58,234 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcspn_alloca_true_valid_memsafety_true_termination_i__div_t in cstrcspn-alloca_true-valid-memsafety_true-termination.i [2018-04-12 19:58:58,234 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcspn_alloca_true_valid_memsafety_true_termination_i____uint32_t in cstrcspn-alloca_true-valid-memsafety_true-termination.i [2018-04-12 19:58:58,234 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcspn_alloca_true_valid_memsafety_true_termination_i____u_long in cstrcspn-alloca_true-valid-memsafety_true-termination.i [2018-04-12 19:58:58,235 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcspn_alloca_true_valid_memsafety_true_termination_i____int16_t in cstrcspn-alloca_true-valid-memsafety_true-termination.i [2018-04-12 19:58:58,235 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcspn_alloca_true_valid_memsafety_true_termination_i__pthread_spinlock_t in cstrcspn-alloca_true-valid-memsafety_true-termination.i [2018-04-12 19:58:58,235 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcspn_alloca_true_valid_memsafety_true_termination_i__caddr_t in cstrcspn-alloca_true-valid-memsafety_true-termination.i [2018-04-12 19:58:58,235 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcspn_alloca_true_valid_memsafety_true_termination_i__mode_t in cstrcspn-alloca_true-valid-memsafety_true-termination.i [2018-04-12 19:58:58,235 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcspn_alloca_true_valid_memsafety_true_termination_i__u_int in cstrcspn-alloca_true-valid-memsafety_true-termination.i [2018-04-12 19:58:58,235 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcspn_alloca_true_valid_memsafety_true_termination_i____int32_t in cstrcspn-alloca_true-valid-memsafety_true-termination.i [2018-04-12 19:58:58,235 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcspn_alloca_true_valid_memsafety_true_termination_i____suseconds_t in cstrcspn-alloca_true-valid-memsafety_true-termination.i [2018-04-12 19:58:58,235 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcspn_alloca_true_valid_memsafety_true_termination_i__time_t in cstrcspn-alloca_true-valid-memsafety_true-termination.i [2018-04-12 19:58:58,235 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcspn_alloca_true_valid_memsafety_true_termination_i__key_t in cstrcspn-alloca_true-valid-memsafety_true-termination.i [2018-04-12 19:58:58,235 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcspn_alloca_true_valid_memsafety_true_termination_i____u_short in cstrcspn-alloca_true-valid-memsafety_true-termination.i [2018-04-12 19:58:58,235 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcspn_alloca_true_valid_memsafety_true_termination_i__fd_set in cstrcspn-alloca_true-valid-memsafety_true-termination.i [2018-04-12 19:58:58,235 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcspn_alloca_true_valid_memsafety_true_termination_i__pthread_mutex_t in cstrcspn-alloca_true-valid-memsafety_true-termination.i [2018-04-12 19:58:58,235 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcspn_alloca_true_valid_memsafety_true_termination_i____rlim_t in cstrcspn-alloca_true-valid-memsafety_true-termination.i [2018-04-12 19:58:58,235 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcspn_alloca_true_valid_memsafety_true_termination_i____ssize_t in cstrcspn-alloca_true-valid-memsafety_true-termination.i [2018-04-12 19:58:58,236 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcspn_alloca_true_valid_memsafety_true_termination_i____qaddr_t in cstrcspn-alloca_true-valid-memsafety_true-termination.i [2018-04-12 19:58:58,236 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcspn_alloca_true_valid_memsafety_true_termination_i____id_t in cstrcspn-alloca_true-valid-memsafety_true-termination.i [2018-04-12 19:58:58,236 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcspn_alloca_true_valid_memsafety_true_termination_i____dev_t in cstrcspn-alloca_true-valid-memsafety_true-termination.i [2018-04-12 19:58:58,236 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcspn_alloca_true_valid_memsafety_true_termination_i____syscall_ulong_t in cstrcspn-alloca_true-valid-memsafety_true-termination.i [2018-04-12 19:58:58,236 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcspn_alloca_true_valid_memsafety_true_termination_i____u_char in cstrcspn-alloca_true-valid-memsafety_true-termination.i [2018-04-12 19:58:58,236 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcspn_alloca_true_valid_memsafety_true_termination_i____off64_t in cstrcspn-alloca_true-valid-memsafety_true-termination.i [2018-04-12 19:58:58,236 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcspn_alloca_true_valid_memsafety_true_termination_i____time_t in cstrcspn-alloca_true-valid-memsafety_true-termination.i [2018-04-12 19:58:58,236 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcspn_alloca_true_valid_memsafety_true_termination_i__int8_t in cstrcspn-alloca_true-valid-memsafety_true-termination.i [2018-04-12 19:58:58,236 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcspn_alloca_true_valid_memsafety_true_termination_i__u_int64_t in cstrcspn-alloca_true-valid-memsafety_true-termination.i [2018-04-12 19:58:58,236 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcspn_alloca_true_valid_memsafety_true_termination_i____rlim64_t in cstrcspn-alloca_true-valid-memsafety_true-termination.i [2018-04-12 19:58:58,236 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcspn_alloca_true_valid_memsafety_true_termination_i____fsfilcnt_t in cstrcspn-alloca_true-valid-memsafety_true-termination.i [2018-04-12 19:58:58,237 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcspn_alloca_true_valid_memsafety_true_termination_i__pthread_mutexattr_t in cstrcspn-alloca_true-valid-memsafety_true-termination.i [2018-04-12 19:58:58,237 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcspn_alloca_true_valid_memsafety_true_termination_i____blksize_t in cstrcspn-alloca_true-valid-memsafety_true-termination.i [2018-04-12 19:58:58,237 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcspn_alloca_true_valid_memsafety_true_termination_i__fsblkcnt_t in cstrcspn-alloca_true-valid-memsafety_true-termination.i [2018-04-12 19:58:58,237 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcspn_alloca_true_valid_memsafety_true_termination_i____timer_t in cstrcspn-alloca_true-valid-memsafety_true-termination.i [2018-04-12 19:58:58,237 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcspn_alloca_true_valid_memsafety_true_termination_i__timer_t in cstrcspn-alloca_true-valid-memsafety_true-termination.i [2018-04-12 19:58:58,237 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcspn_alloca_true_valid_memsafety_true_termination_i__register_t in cstrcspn-alloca_true-valid-memsafety_true-termination.i [2018-04-12 19:58:58,237 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcspn_alloca_true_valid_memsafety_true_termination_i__sigset_t in cstrcspn-alloca_true-valid-memsafety_true-termination.i [2018-04-12 19:58:58,237 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcspn_alloca_true_valid_memsafety_true_termination_i__pthread_barrierattr_t in cstrcspn-alloca_true-valid-memsafety_true-termination.i [2018-04-12 19:58:58,237 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcspn_alloca_true_valid_memsafety_true_termination_i__u_int32_t in cstrcspn-alloca_true-valid-memsafety_true-termination.i [2018-04-12 19:58:58,237 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcspn_alloca_true_valid_memsafety_true_termination_i__u_quad_t in cstrcspn-alloca_true-valid-memsafety_true-termination.i [2018-04-12 19:58:58,237 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcspn_alloca_true_valid_memsafety_true_termination_i__ldiv_t in cstrcspn-alloca_true-valid-memsafety_true-termination.i [2018-04-12 19:58:58,237 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcspn_alloca_true_valid_memsafety_true_termination_i____blkcnt64_t in cstrcspn-alloca_true-valid-memsafety_true-termination.i [2018-04-12 19:58:58,238 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcspn_alloca_true_valid_memsafety_true_termination_i____uid_t in cstrcspn-alloca_true-valid-memsafety_true-termination.i [2018-04-12 19:58:58,238 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcspn_alloca_true_valid_memsafety_true_termination_i____fsword_t in cstrcspn-alloca_true-valid-memsafety_true-termination.i [2018-04-12 19:58:58,238 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcspn_alloca_true_valid_memsafety_true_termination_i__ssize_t in cstrcspn-alloca_true-valid-memsafety_true-termination.i [2018-04-12 19:58:58,238 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcspn_alloca_true_valid_memsafety_true_termination_i__pthread_rwlockattr_t in cstrcspn-alloca_true-valid-memsafety_true-termination.i [2018-04-12 19:58:58,238 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcspn_alloca_true_valid_memsafety_true_termination_i____sig_atomic_t in cstrcspn-alloca_true-valid-memsafety_true-termination.i [2018-04-12 19:58:58,238 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcspn_alloca_true_valid_memsafety_true_termination_i____nlink_t in cstrcspn-alloca_true-valid-memsafety_true-termination.i [2018-04-12 19:58:58,238 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcspn_alloca_true_valid_memsafety_true_termination_i__int32_t in cstrcspn-alloca_true-valid-memsafety_true-termination.i [2018-04-12 19:58:58,238 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcspn_alloca_true_valid_memsafety_true_termination_i__ino_t in cstrcspn-alloca_true-valid-memsafety_true-termination.i [2018-04-12 19:58:58,238 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcspn_alloca_true_valid_memsafety_true_termination_i____uint64_t in cstrcspn-alloca_true-valid-memsafety_true-termination.i [2018-04-12 19:58:58,238 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcspn_alloca_true_valid_memsafety_true_termination_i____fsfilcnt64_t in cstrcspn-alloca_true-valid-memsafety_true-termination.i [2018-04-12 19:58:58,238 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcspn_alloca_true_valid_memsafety_true_termination_i____off_t in cstrcspn-alloca_true-valid-memsafety_true-termination.i [2018-04-12 19:58:58,238 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcspn_alloca_true_valid_memsafety_true_termination_i__nlink_t in cstrcspn-alloca_true-valid-memsafety_true-termination.i [2018-04-12 19:58:58,239 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcspn_alloca_true_valid_memsafety_true_termination_i__fsfilcnt_t in cstrcspn-alloca_true-valid-memsafety_true-termination.i [2018-04-12 19:58:58,239 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcspn_alloca_true_valid_memsafety_true_termination_i____fsblkcnt_t in cstrcspn-alloca_true-valid-memsafety_true-termination.i [2018-04-12 19:58:58,239 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcspn_alloca_true_valid_memsafety_true_termination_i__uint in cstrcspn-alloca_true-valid-memsafety_true-termination.i [2018-04-12 19:58:58,239 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcspn_alloca_true_valid_memsafety_true_termination_i____ino64_t in cstrcspn-alloca_true-valid-memsafety_true-termination.i [2018-04-12 19:58:58,239 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcspn_alloca_true_valid_memsafety_true_termination_i__pthread_rwlock_t in cstrcspn-alloca_true-valid-memsafety_true-termination.i [2018-04-12 19:58:58,239 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcspn_alloca_true_valid_memsafety_true_termination_i__pthread_key_t in cstrcspn-alloca_true-valid-memsafety_true-termination.i [2018-04-12 19:58:58,239 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcspn_alloca_true_valid_memsafety_true_termination_i____u_int in cstrcspn-alloca_true-valid-memsafety_true-termination.i [2018-04-12 19:58:58,239 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcspn_alloca_true_valid_memsafety_true_termination_i__dev_t in cstrcspn-alloca_true-valid-memsafety_true-termination.i [2018-04-12 19:58:58,239 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcspn_alloca_true_valid_memsafety_true_termination_i__id_t in cstrcspn-alloca_true-valid-memsafety_true-termination.i [2018-04-12 19:58:58,254 INFO L330 CDTParser]: Deleted temporary CDT project at /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/data/FLAG0f95d3f79 [2018-04-12 19:58:58,257 INFO L304 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-04-12 19:58:58,258 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-04-12 19:58:58,258 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-04-12 19:58:58,258 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-04-12 19:58:58,262 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-04-12 19:58:58,263 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.04 07:58:58" (1/1) ... [2018-04-12 19:58:58,264 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5ad509b1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.04 07:58:58, skipping insertion in model container [2018-04-12 19:58:58,265 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.04 07:58:58" (1/1) ... [2018-04-12 19:58:58,276 INFO L167 Dispatcher]: Using SV-COMP mode [2018-04-12 19:58:58,298 INFO L167 Dispatcher]: Using SV-COMP mode [2018-04-12 19:58:58,424 INFO L175 PostProcessor]: Settings: Checked method=main [2018-04-12 19:58:58,460 INFO L175 PostProcessor]: Settings: Checked method=main [2018-04-12 19:58:58,466 INFO L100 SccComputation]: Graph consists of 0 InCaSumBalls and 112 non ball SCCs. Number of states in SCCs 112. [2018-04-12 19:58:58,503 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.04 07:58:58 WrapperNode [2018-04-12 19:58:58,503 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-04-12 19:58:58,504 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-04-12 19:58:58,504 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-04-12 19:58:58,504 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-04-12 19:58:58,512 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.04 07:58:58" (1/1) ... [2018-04-12 19:58:58,512 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.04 07:58:58" (1/1) ... [2018-04-12 19:58:58,522 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.04 07:58:58" (1/1) ... [2018-04-12 19:58:58,523 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.04 07:58:58" (1/1) ... [2018-04-12 19:58:58,530 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.04 07:58:58" (1/1) ... [2018-04-12 19:58:58,536 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.04 07:58:58" (1/1) ... [2018-04-12 19:58:58,538 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.04 07:58:58" (1/1) ... [2018-04-12 19:58:58,541 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-04-12 19:58:58,542 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-04-12 19:58:58,542 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-04-12 19:58:58,542 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-04-12 19:58:58,543 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.04 07:58:58" (1/1) ... No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-04-12 19:58:58,631 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-04-12 19:58:58,632 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-04-12 19:58:58,632 INFO L136 BoogieDeclarations]: Found implementation of procedure __U_MULTI_fcstrcspn_alloca_true_valid_memsafety_true_termination_i____bswap_32 [2018-04-12 19:58:58,632 INFO L136 BoogieDeclarations]: Found implementation of procedure __U_MULTI_fcstrcspn_alloca_true_valid_memsafety_true_termination_i____bswap_64 [2018-04-12 19:58:58,632 INFO L136 BoogieDeclarations]: Found implementation of procedure cstrcspn [2018-04-12 19:58:58,632 INFO L136 BoogieDeclarations]: Found implementation of procedure main [2018-04-12 19:58:58,632 INFO L128 BoogieDeclarations]: Found specification of procedure __U_MULTI_fcstrcspn_alloca_true_valid_memsafety_true_termination_i____bswap_32 [2018-04-12 19:58:58,632 INFO L128 BoogieDeclarations]: Found specification of procedure __U_MULTI_fcstrcspn_alloca_true_valid_memsafety_true_termination_i____bswap_64 [2018-04-12 19:58:58,632 INFO L128 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2018-04-12 19:58:58,632 INFO L128 BoogieDeclarations]: Found specification of procedure atof [2018-04-12 19:58:58,632 INFO L128 BoogieDeclarations]: Found specification of procedure atoi [2018-04-12 19:58:58,632 INFO L128 BoogieDeclarations]: Found specification of procedure atol [2018-04-12 19:58:58,632 INFO L128 BoogieDeclarations]: Found specification of procedure atoll [2018-04-12 19:58:58,633 INFO L128 BoogieDeclarations]: Found specification of procedure strtod [2018-04-12 19:58:58,633 INFO L128 BoogieDeclarations]: Found specification of procedure strtof [2018-04-12 19:58:58,633 INFO L128 BoogieDeclarations]: Found specification of procedure strtold [2018-04-12 19:58:58,633 INFO L128 BoogieDeclarations]: Found specification of procedure strtol [2018-04-12 19:58:58,633 INFO L128 BoogieDeclarations]: Found specification of procedure strtoul [2018-04-12 19:58:58,633 INFO L128 BoogieDeclarations]: Found specification of procedure strtoq [2018-04-12 19:58:58,633 INFO L128 BoogieDeclarations]: Found specification of procedure strtouq [2018-04-12 19:58:58,633 INFO L128 BoogieDeclarations]: Found specification of procedure strtoll [2018-04-12 19:58:58,633 INFO L128 BoogieDeclarations]: Found specification of procedure strtoull [2018-04-12 19:58:58,633 INFO L128 BoogieDeclarations]: Found specification of procedure l64a [2018-04-12 19:58:58,634 INFO L128 BoogieDeclarations]: Found specification of procedure a64l [2018-04-12 19:58:58,634 INFO L128 BoogieDeclarations]: Found specification of procedure select [2018-04-12 19:58:58,634 INFO L128 BoogieDeclarations]: Found specification of procedure pselect [2018-04-12 19:58:58,634 INFO L128 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2018-04-12 19:58:58,634 INFO L128 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2018-04-12 19:58:58,634 INFO L128 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2018-04-12 19:58:58,634 INFO L128 BoogieDeclarations]: Found specification of procedure random [2018-04-12 19:58:58,634 INFO L128 BoogieDeclarations]: Found specification of procedure srandom [2018-04-12 19:58:58,634 INFO L128 BoogieDeclarations]: Found specification of procedure initstate [2018-04-12 19:58:58,634 INFO L128 BoogieDeclarations]: Found specification of procedure setstate [2018-04-12 19:58:58,634 INFO L128 BoogieDeclarations]: Found specification of procedure random_r [2018-04-12 19:58:58,635 INFO L128 BoogieDeclarations]: Found specification of procedure srandom_r [2018-04-12 19:58:58,635 INFO L128 BoogieDeclarations]: Found specification of procedure initstate_r [2018-04-12 19:58:58,635 INFO L128 BoogieDeclarations]: Found specification of procedure setstate_r [2018-04-12 19:58:58,635 INFO L128 BoogieDeclarations]: Found specification of procedure rand [2018-04-12 19:58:58,635 INFO L128 BoogieDeclarations]: Found specification of procedure srand [2018-04-12 19:58:58,635 INFO L128 BoogieDeclarations]: Found specification of procedure rand_r [2018-04-12 19:58:58,635 INFO L128 BoogieDeclarations]: Found specification of procedure drand48 [2018-04-12 19:58:58,635 INFO L128 BoogieDeclarations]: Found specification of procedure erand48 [2018-04-12 19:58:58,635 INFO L128 BoogieDeclarations]: Found specification of procedure lrand48 [2018-04-12 19:58:58,635 INFO L128 BoogieDeclarations]: Found specification of procedure nrand48 [2018-04-12 19:58:58,636 INFO L128 BoogieDeclarations]: Found specification of procedure mrand48 [2018-04-12 19:58:58,636 INFO L128 BoogieDeclarations]: Found specification of procedure jrand48 [2018-04-12 19:58:58,636 INFO L128 BoogieDeclarations]: Found specification of procedure srand48 [2018-04-12 19:58:58,636 INFO L128 BoogieDeclarations]: Found specification of procedure seed48 [2018-04-12 19:58:58,636 INFO L128 BoogieDeclarations]: Found specification of procedure lcong48 [2018-04-12 19:58:58,636 INFO L128 BoogieDeclarations]: Found specification of procedure drand48_r [2018-04-12 19:58:58,636 INFO L128 BoogieDeclarations]: Found specification of procedure erand48_r [2018-04-12 19:58:58,636 INFO L128 BoogieDeclarations]: Found specification of procedure lrand48_r [2018-04-12 19:58:58,636 INFO L128 BoogieDeclarations]: Found specification of procedure nrand48_r [2018-04-12 19:58:58,637 INFO L128 BoogieDeclarations]: Found specification of procedure mrand48_r [2018-04-12 19:58:58,637 INFO L128 BoogieDeclarations]: Found specification of procedure jrand48_r [2018-04-12 19:58:58,637 INFO L128 BoogieDeclarations]: Found specification of procedure srand48_r [2018-04-12 19:58:58,637 INFO L128 BoogieDeclarations]: Found specification of procedure seed48_r [2018-04-12 19:58:58,637 INFO L128 BoogieDeclarations]: Found specification of procedure lcong48_r [2018-04-12 19:58:58,637 INFO L128 BoogieDeclarations]: Found specification of procedure malloc [2018-04-12 19:58:58,637 INFO L128 BoogieDeclarations]: Found specification of procedure calloc [2018-04-12 19:58:58,637 INFO L128 BoogieDeclarations]: Found specification of procedure realloc [2018-04-12 19:58:58,637 INFO L128 BoogieDeclarations]: Found specification of procedure free [2018-04-12 19:58:58,637 INFO L128 BoogieDeclarations]: Found specification of procedure cfree [2018-04-12 19:58:58,637 INFO L128 BoogieDeclarations]: Found specification of procedure alloca [2018-04-12 19:58:58,637 INFO L128 BoogieDeclarations]: Found specification of procedure valloc [2018-04-12 19:58:58,637 INFO L128 BoogieDeclarations]: Found specification of procedure posix_memalign [2018-04-12 19:58:58,637 INFO L128 BoogieDeclarations]: Found specification of procedure abort [2018-04-12 19:58:58,638 INFO L128 BoogieDeclarations]: Found specification of procedure atexit [2018-04-12 19:58:58,638 INFO L128 BoogieDeclarations]: Found specification of procedure on_exit [2018-04-12 19:58:58,638 INFO L128 BoogieDeclarations]: Found specification of procedure exit [2018-04-12 19:58:58,638 INFO L128 BoogieDeclarations]: Found specification of procedure _Exit [2018-04-12 19:58:58,638 INFO L128 BoogieDeclarations]: Found specification of procedure getenv [2018-04-12 19:58:58,638 INFO L128 BoogieDeclarations]: Found specification of procedure putenv [2018-04-12 19:58:58,638 INFO L128 BoogieDeclarations]: Found specification of procedure setenv [2018-04-12 19:58:58,638 INFO L128 BoogieDeclarations]: Found specification of procedure unsetenv [2018-04-12 19:58:58,638 INFO L128 BoogieDeclarations]: Found specification of procedure clearenv [2018-04-12 19:58:58,638 INFO L128 BoogieDeclarations]: Found specification of procedure mktemp [2018-04-12 19:58:58,638 INFO L128 BoogieDeclarations]: Found specification of procedure mkstemp [2018-04-12 19:58:58,638 INFO L128 BoogieDeclarations]: Found specification of procedure mkstemps [2018-04-12 19:58:58,638 INFO L128 BoogieDeclarations]: Found specification of procedure mkdtemp [2018-04-12 19:58:58,638 INFO L128 BoogieDeclarations]: Found specification of procedure system [2018-04-12 19:58:58,639 INFO L128 BoogieDeclarations]: Found specification of procedure realpath [2018-04-12 19:58:58,639 INFO L128 BoogieDeclarations]: Found specification of procedure bsearch [2018-04-12 19:58:58,639 INFO L128 BoogieDeclarations]: Found specification of procedure qsort [2018-04-12 19:58:58,639 INFO L128 BoogieDeclarations]: Found specification of procedure abs [2018-04-12 19:58:58,639 INFO L128 BoogieDeclarations]: Found specification of procedure labs [2018-04-12 19:58:58,639 INFO L128 BoogieDeclarations]: Found specification of procedure llabs [2018-04-12 19:58:58,639 INFO L128 BoogieDeclarations]: Found specification of procedure div [2018-04-12 19:58:58,639 INFO L128 BoogieDeclarations]: Found specification of procedure ldiv [2018-04-12 19:58:58,639 INFO L128 BoogieDeclarations]: Found specification of procedure lldiv [2018-04-12 19:58:58,639 INFO L128 BoogieDeclarations]: Found specification of procedure ecvt [2018-04-12 19:58:58,639 INFO L128 BoogieDeclarations]: Found specification of procedure fcvt [2018-04-12 19:58:58,639 INFO L128 BoogieDeclarations]: Found specification of procedure gcvt [2018-04-12 19:58:58,639 INFO L128 BoogieDeclarations]: Found specification of procedure qecvt [2018-04-12 19:58:58,639 INFO L128 BoogieDeclarations]: Found specification of procedure qfcvt [2018-04-12 19:58:58,639 INFO L128 BoogieDeclarations]: Found specification of procedure qgcvt [2018-04-12 19:58:58,640 INFO L128 BoogieDeclarations]: Found specification of procedure ecvt_r [2018-04-12 19:58:58,640 INFO L128 BoogieDeclarations]: Found specification of procedure fcvt_r [2018-04-12 19:58:58,640 INFO L128 BoogieDeclarations]: Found specification of procedure qecvt_r [2018-04-12 19:58:58,640 INFO L128 BoogieDeclarations]: Found specification of procedure qfcvt_r [2018-04-12 19:58:58,640 INFO L128 BoogieDeclarations]: Found specification of procedure mblen [2018-04-12 19:58:58,640 INFO L128 BoogieDeclarations]: Found specification of procedure mbtowc [2018-04-12 19:58:58,640 INFO L128 BoogieDeclarations]: Found specification of procedure wctomb [2018-04-12 19:58:58,640 INFO L128 BoogieDeclarations]: Found specification of procedure mbstowcs [2018-04-12 19:58:58,640 INFO L128 BoogieDeclarations]: Found specification of procedure wcstombs [2018-04-12 19:58:58,640 INFO L128 BoogieDeclarations]: Found specification of procedure rpmatch [2018-04-12 19:58:58,641 INFO L128 BoogieDeclarations]: Found specification of procedure getsubopt [2018-04-12 19:58:58,641 INFO L128 BoogieDeclarations]: Found specification of procedure getloadavg [2018-04-12 19:58:58,641 INFO L128 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-04-12 19:58:58,641 INFO L128 BoogieDeclarations]: Found specification of procedure cstrcspn [2018-04-12 19:58:58,641 INFO L128 BoogieDeclarations]: Found specification of procedure read~int [2018-04-12 19:58:58,641 INFO L128 BoogieDeclarations]: Found specification of procedure main [2018-04-12 19:58:58,641 INFO L128 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-04-12 19:58:58,641 INFO L128 BoogieDeclarations]: Found specification of procedure write~int [2018-04-12 19:58:58,641 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-04-12 19:58:58,641 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-04-12 19:58:58,641 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-04-12 19:58:58,642 INFO L128 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2018-04-12 19:58:58,893 INFO L259 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-04-12 19:58:58,893 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.04 07:58:58 BoogieIcfgContainer [2018-04-12 19:58:58,894 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-04-12 19:58:58,894 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-04-12 19:58:58,894 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-04-12 19:58:58,896 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-04-12 19:58:58,896 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.04 07:58:58" (1/3) ... [2018-04-12 19:58:58,897 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6793ff30 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.04 07:58:58, skipping insertion in model container [2018-04-12 19:58:58,897 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.04 07:58:58" (2/3) ... [2018-04-12 19:58:58,897 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6793ff30 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.04 07:58:58, skipping insertion in model container [2018-04-12 19:58:58,897 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.04 07:58:58" (3/3) ... [2018-04-12 19:58:58,898 INFO L107 eAbstractionObserver]: Analyzing ICFG cstrcspn-alloca_true-valid-memsafety_true-termination.i [2018-04-12 19:58:58,903 INFO L131 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:Craig_TreeInterpolation Determinization: PREDICATE_ABSTRACTION [2018-04-12 19:58:58,908 INFO L143 ceAbstractionStarter]: Appying trace abstraction to program that has 15 error locations. [2018-04-12 19:58:58,931 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2018-04-12 19:58:58,931 INFO L369 AbstractCegarLoop]: Interprodecural is true [2018-04-12 19:58:58,931 INFO L370 AbstractCegarLoop]: Hoare is false [2018-04-12 19:58:58,931 INFO L371 AbstractCegarLoop]: Compute interpolants for Craig_TreeInterpolation [2018-04-12 19:58:58,931 INFO L372 AbstractCegarLoop]: Backedges is CANONICAL [2018-04-12 19:58:58,931 INFO L373 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-04-12 19:58:58,931 INFO L374 AbstractCegarLoop]: Difference is false [2018-04-12 19:58:58,931 INFO L375 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-04-12 19:58:58,931 INFO L380 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-04-12 19:58:58,932 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-04-12 19:58:58,940 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states. [2018-04-12 19:58:58,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-04-12 19:58:58,945 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 19:58:58,945 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 19:58:58,946 INFO L408 AbstractCegarLoop]: === Iteration 1 === [cstrcspnErr0RequiresViolation, cstrcspnErr9RequiresViolation, cstrcspnErr7RequiresViolation, cstrcspnErr4RequiresViolation, cstrcspnErr6RequiresViolation, cstrcspnErr5RequiresViolation, cstrcspnErr1RequiresViolation, cstrcspnErr3RequiresViolation, cstrcspnErr2RequiresViolation, cstrcspnErr8RequiresViolation, mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-12 19:58:58,948 INFO L82 PathProgramCache]: Analyzing trace with hash 2018700559, now seen corresponding path program 1 times [2018-04-12 19:58:58,979 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 19:58:59,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 19:58:59,010 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 19:58:59,067 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 19:58:59,069 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-12 19:58:59,069 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-04-12 19:58:59,070 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-12 19:58:59,070 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 19:58:59,070 INFO L182 omatonBuilderFactory]: Interpolants [64#(= 1 (select |#valid| main_~nondetString1~0.base)), 61#true, 62#false, 63#(= 1 (select |#valid| |main_#t~malloc12.base|))] [2018-04-12 19:58:59,071 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 19:58:59,071 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-04-12 19:58:59,079 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-04-12 19:58:59,080 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-04-12 19:58:59,081 INFO L87 Difference]: Start difference. First operand 58 states. Second operand 4 states. [2018-04-12 19:58:59,186 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 19:58:59,186 INFO L93 Difference]: Finished difference Result 57 states and 62 transitions. [2018-04-12 19:58:59,187 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-04-12 19:58:59,188 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 13 [2018-04-12 19:58:59,188 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 19:58:59,197 INFO L225 Difference]: With dead ends: 57 [2018-04-12 19:58:59,197 INFO L226 Difference]: Without dead ends: 54 [2018-04-12 19:58:59,199 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-04-12 19:58:59,215 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54 states. [2018-04-12 19:58:59,228 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54 to 54. [2018-04-12 19:58:59,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 54 states. [2018-04-12 19:58:59,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 59 transitions. [2018-04-12 19:58:59,232 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 59 transitions. Word has length 13 [2018-04-12 19:58:59,232 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 19:58:59,232 INFO L459 AbstractCegarLoop]: Abstraction has 54 states and 59 transitions. [2018-04-12 19:58:59,233 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-04-12 19:58:59,233 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 59 transitions. [2018-04-12 19:58:59,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-04-12 19:58:59,233 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 19:58:59,233 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 19:58:59,233 INFO L408 AbstractCegarLoop]: === Iteration 2 === [cstrcspnErr0RequiresViolation, cstrcspnErr9RequiresViolation, cstrcspnErr7RequiresViolation, cstrcspnErr4RequiresViolation, cstrcspnErr6RequiresViolation, cstrcspnErr5RequiresViolation, cstrcspnErr1RequiresViolation, cstrcspnErr3RequiresViolation, cstrcspnErr2RequiresViolation, cstrcspnErr8RequiresViolation, mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-12 19:58:59,234 INFO L82 PathProgramCache]: Analyzing trace with hash 2018700560, now seen corresponding path program 1 times [2018-04-12 19:58:59,235 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 19:58:59,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 19:58:59,249 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 19:58:59,327 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 19:58:59,327 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-12 19:58:59,327 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-04-12 19:58:59,327 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-12 19:58:59,327 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 19:58:59,328 INFO L182 omatonBuilderFactory]: Interpolants [178#true, 179#false, 180#(<= 1 main_~length1~0), 181#(and (= main_~length1~0 (select |#length| |main_#t~malloc12.base|)) (= (select |#valid| |main_#t~malloc12.base|) 1) (= 0 |main_#t~malloc12.offset|) (<= 1 main_~length1~0)), 182#(and (= main_~length1~0 (select |#length| main_~nondetString1~0.base)) (= (select |#valid| main_~nondetString1~0.base) 1) (<= 1 main_~length1~0) (= main_~nondetString1~0.offset 0)), 183#(and (= main_~length1~0 (select |#length| main_~nondetString1~0.base)) (<= 1 main_~length1~0) (= main_~nondetString1~0.offset 0))] [2018-04-12 19:58:59,328 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 19:58:59,329 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-04-12 19:58:59,329 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-04-12 19:58:59,329 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2018-04-12 19:58:59,329 INFO L87 Difference]: Start difference. First operand 54 states and 59 transitions. Second operand 6 states. [2018-04-12 19:58:59,386 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 19:58:59,386 INFO L93 Difference]: Finished difference Result 53 states and 58 transitions. [2018-04-12 19:58:59,386 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-04-12 19:58:59,386 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 13 [2018-04-12 19:58:59,386 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 19:58:59,387 INFO L225 Difference]: With dead ends: 53 [2018-04-12 19:58:59,387 INFO L226 Difference]: Without dead ends: 53 [2018-04-12 19:58:59,388 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=23, Unknown=0, NotChecked=0, Total=42 [2018-04-12 19:58:59,388 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2018-04-12 19:58:59,390 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 53. [2018-04-12 19:58:59,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 53 states. [2018-04-12 19:58:59,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 58 transitions. [2018-04-12 19:58:59,391 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 58 transitions. Word has length 13 [2018-04-12 19:58:59,391 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 19:58:59,391 INFO L459 AbstractCegarLoop]: Abstraction has 53 states and 58 transitions. [2018-04-12 19:58:59,391 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-04-12 19:58:59,391 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 58 transitions. [2018-04-12 19:58:59,391 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-04-12 19:58:59,391 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 19:58:59,391 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 19:58:59,391 INFO L408 AbstractCegarLoop]: === Iteration 3 === [cstrcspnErr0RequiresViolation, cstrcspnErr9RequiresViolation, cstrcspnErr7RequiresViolation, cstrcspnErr4RequiresViolation, cstrcspnErr6RequiresViolation, cstrcspnErr5RequiresViolation, cstrcspnErr1RequiresViolation, cstrcspnErr3RequiresViolation, cstrcspnErr2RequiresViolation, cstrcspnErr8RequiresViolation, mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-12 19:58:59,392 INFO L82 PathProgramCache]: Analyzing trace with hash -1844792117, now seen corresponding path program 1 times [2018-04-12 19:58:59,392 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 19:58:59,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 19:58:59,399 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 19:58:59,418 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 19:58:59,418 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-12 19:58:59,418 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-04-12 19:58:59,418 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-12 19:58:59,419 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 19:58:59,419 INFO L182 omatonBuilderFactory]: Interpolants [292#true, 293#false, 294#(= 1 (select |#valid| |main_#t~malloc13.base|)), 295#(= 1 (select |#valid| main_~nondetString2~0.base))] [2018-04-12 19:58:59,419 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 19:58:59,419 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-04-12 19:58:59,419 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-04-12 19:58:59,419 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-04-12 19:58:59,420 INFO L87 Difference]: Start difference. First operand 53 states and 58 transitions. Second operand 4 states. [2018-04-12 19:58:59,466 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 19:58:59,466 INFO L93 Difference]: Finished difference Result 52 states and 57 transitions. [2018-04-12 19:58:59,466 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-04-12 19:58:59,466 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 14 [2018-04-12 19:58:59,466 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 19:58:59,467 INFO L225 Difference]: With dead ends: 52 [2018-04-12 19:58:59,467 INFO L226 Difference]: Without dead ends: 52 [2018-04-12 19:58:59,467 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-04-12 19:58:59,468 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52 states. [2018-04-12 19:58:59,470 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 52. [2018-04-12 19:58:59,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 52 states. [2018-04-12 19:58:59,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 57 transitions. [2018-04-12 19:58:59,471 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 57 transitions. Word has length 14 [2018-04-12 19:58:59,472 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 19:58:59,472 INFO L459 AbstractCegarLoop]: Abstraction has 52 states and 57 transitions. [2018-04-12 19:58:59,472 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-04-12 19:58:59,472 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 57 transitions. [2018-04-12 19:58:59,472 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-04-12 19:58:59,472 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 19:58:59,472 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 19:58:59,472 INFO L408 AbstractCegarLoop]: === Iteration 4 === [cstrcspnErr0RequiresViolation, cstrcspnErr9RequiresViolation, cstrcspnErr7RequiresViolation, cstrcspnErr4RequiresViolation, cstrcspnErr6RequiresViolation, cstrcspnErr5RequiresViolation, cstrcspnErr1RequiresViolation, cstrcspnErr3RequiresViolation, cstrcspnErr2RequiresViolation, cstrcspnErr8RequiresViolation, mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-12 19:58:59,473 INFO L82 PathProgramCache]: Analyzing trace with hash -1844792116, now seen corresponding path program 1 times [2018-04-12 19:58:59,473 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 19:58:59,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 19:58:59,484 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 19:58:59,534 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 19:58:59,534 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-12 19:58:59,534 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-04-12 19:58:59,534 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-12 19:58:59,534 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 19:58:59,535 INFO L182 omatonBuilderFactory]: Interpolants [402#true, 403#false, 404#(<= 1 main_~length2~0), 405#(and (= main_~length2~0 (select |#length| |main_#t~malloc13.base|)) (<= 1 main_~length2~0) (= 0 |main_#t~malloc13.offset|)), 406#(and (= main_~nondetString2~0.offset 0) (<= 1 main_~length2~0) (= main_~length2~0 (select |#length| main_~nondetString2~0.base)))] [2018-04-12 19:58:59,535 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 19:58:59,535 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-04-12 19:58:59,535 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-04-12 19:58:59,535 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-04-12 19:58:59,535 INFO L87 Difference]: Start difference. First operand 52 states and 57 transitions. Second operand 5 states. [2018-04-12 19:58:59,560 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 19:58:59,560 INFO L93 Difference]: Finished difference Result 51 states and 56 transitions. [2018-04-12 19:58:59,560 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-04-12 19:58:59,561 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 14 [2018-04-12 19:58:59,561 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 19:58:59,561 INFO L225 Difference]: With dead ends: 51 [2018-04-12 19:58:59,561 INFO L226 Difference]: Without dead ends: 51 [2018-04-12 19:58:59,562 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2018-04-12 19:58:59,562 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states. [2018-04-12 19:58:59,564 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 51. [2018-04-12 19:58:59,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 51 states. [2018-04-12 19:58:59,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 56 transitions. [2018-04-12 19:58:59,566 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 56 transitions. Word has length 14 [2018-04-12 19:58:59,566 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 19:58:59,566 INFO L459 AbstractCegarLoop]: Abstraction has 51 states and 56 transitions. [2018-04-12 19:58:59,566 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-04-12 19:58:59,566 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 56 transitions. [2018-04-12 19:58:59,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-04-12 19:58:59,567 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 19:58:59,567 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 19:58:59,567 INFO L408 AbstractCegarLoop]: === Iteration 5 === [cstrcspnErr0RequiresViolation, cstrcspnErr9RequiresViolation, cstrcspnErr7RequiresViolation, cstrcspnErr4RequiresViolation, cstrcspnErr6RequiresViolation, cstrcspnErr5RequiresViolation, cstrcspnErr1RequiresViolation, cstrcspnErr3RequiresViolation, cstrcspnErr2RequiresViolation, cstrcspnErr8RequiresViolation, mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-12 19:58:59,567 INFO L82 PathProgramCache]: Analyzing trace with hash 1893487725, now seen corresponding path program 1 times [2018-04-12 19:58:59,568 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 19:58:59,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 19:58:59,579 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 19:58:59,606 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 19:58:59,606 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-12 19:58:59,607 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-04-12 19:58:59,607 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-12 19:58:59,607 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 19:58:59,607 INFO L182 omatonBuilderFactory]: Interpolants [512#false, 513#(= 1 (select |#valid| main_~nondetString1~0.base)), 514#(= 1 (select |#valid| |cstrcspn_#in~s1.base|)), 515#(= 1 (select |#valid| cstrcspn_~sc1~0.base)), 511#true] [2018-04-12 19:58:59,607 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 19:58:59,607 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-04-12 19:58:59,607 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-04-12 19:58:59,607 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-04-12 19:58:59,608 INFO L87 Difference]: Start difference. First operand 51 states and 56 transitions. Second operand 5 states. [2018-04-12 19:58:59,650 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 19:58:59,651 INFO L93 Difference]: Finished difference Result 49 states and 54 transitions. [2018-04-12 19:58:59,651 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-04-12 19:58:59,651 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 18 [2018-04-12 19:58:59,651 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 19:58:59,651 INFO L225 Difference]: With dead ends: 49 [2018-04-12 19:58:59,651 INFO L226 Difference]: Without dead ends: 49 [2018-04-12 19:58:59,652 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-04-12 19:58:59,652 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2018-04-12 19:58:59,655 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 49. [2018-04-12 19:58:59,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 49 states. [2018-04-12 19:58:59,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 54 transitions. [2018-04-12 19:58:59,656 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 54 transitions. Word has length 18 [2018-04-12 19:58:59,656 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 19:58:59,656 INFO L459 AbstractCegarLoop]: Abstraction has 49 states and 54 transitions. [2018-04-12 19:58:59,656 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-04-12 19:58:59,657 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 54 transitions. [2018-04-12 19:58:59,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-04-12 19:58:59,657 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 19:58:59,657 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 19:58:59,657 INFO L408 AbstractCegarLoop]: === Iteration 6 === [cstrcspnErr0RequiresViolation, cstrcspnErr9RequiresViolation, cstrcspnErr7RequiresViolation, cstrcspnErr4RequiresViolation, cstrcspnErr6RequiresViolation, cstrcspnErr5RequiresViolation, cstrcspnErr1RequiresViolation, cstrcspnErr3RequiresViolation, cstrcspnErr2RequiresViolation, cstrcspnErr8RequiresViolation, mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-12 19:58:59,657 INFO L82 PathProgramCache]: Analyzing trace with hash 1893487726, now seen corresponding path program 1 times [2018-04-12 19:58:59,658 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 19:58:59,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 19:58:59,664 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 19:58:59,723 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 19:58:59,723 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-12 19:58:59,723 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-04-12 19:58:59,723 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-12 19:58:59,723 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 19:58:59,723 INFO L182 omatonBuilderFactory]: Interpolants [616#true, 617#false, 618#(<= 1 main_~length1~0), 619#(and (= 0 |main_#t~malloc12.offset|) (<= 1 main_~length1~0)), 620#(and (<= 1 main_~length1~0) (= main_~nondetString1~0.offset 0)), 621#(and (<= (+ main_~nondetString1~0.offset 1) (select |#length| main_~nondetString1~0.base)) (= main_~nondetString1~0.offset 0)), 622#(and (<= 1 (select |#length| |cstrcspn_#in~s1.base|)) (= 0 |cstrcspn_#in~s1.offset|)), 623#(and (= cstrcspn_~sc1~0.offset 0) (<= 1 (select |#length| cstrcspn_~sc1~0.base)))] [2018-04-12 19:58:59,724 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 19:58:59,724 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-04-12 19:58:59,724 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-04-12 19:58:59,724 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2018-04-12 19:58:59,724 INFO L87 Difference]: Start difference. First operand 49 states and 54 transitions. Second operand 8 states. [2018-04-12 19:58:59,842 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 19:58:59,842 INFO L93 Difference]: Finished difference Result 73 states and 82 transitions. [2018-04-12 19:58:59,842 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-04-12 19:58:59,843 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 18 [2018-04-12 19:58:59,843 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 19:58:59,844 INFO L225 Difference]: With dead ends: 73 [2018-04-12 19:58:59,844 INFO L226 Difference]: Without dead ends: 73 [2018-04-12 19:58:59,845 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=37, Invalid=95, Unknown=0, NotChecked=0, Total=132 [2018-04-12 19:58:59,845 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2018-04-12 19:58:59,846 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 53. [2018-04-12 19:58:59,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 53 states. [2018-04-12 19:58:59,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 59 transitions. [2018-04-12 19:58:59,847 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 59 transitions. Word has length 18 [2018-04-12 19:58:59,848 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 19:58:59,848 INFO L459 AbstractCegarLoop]: Abstraction has 53 states and 59 transitions. [2018-04-12 19:58:59,848 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-04-12 19:58:59,848 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 59 transitions. [2018-04-12 19:58:59,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-04-12 19:58:59,848 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 19:58:59,848 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] [2018-04-12 19:58:59,849 INFO L408 AbstractCegarLoop]: === Iteration 7 === [cstrcspnErr0RequiresViolation, cstrcspnErr9RequiresViolation, cstrcspnErr7RequiresViolation, cstrcspnErr4RequiresViolation, cstrcspnErr6RequiresViolation, cstrcspnErr5RequiresViolation, cstrcspnErr1RequiresViolation, cstrcspnErr3RequiresViolation, cstrcspnErr2RequiresViolation, cstrcspnErr8RequiresViolation, mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-12 19:58:59,849 INFO L82 PathProgramCache]: Analyzing trace with hash -894404631, now seen corresponding path program 1 times [2018-04-12 19:58:59,849 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 19:58:59,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 19:58:59,860 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 19:58:59,901 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 19:58:59,901 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-12 19:58:59,901 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-04-12 19:58:59,901 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-12 19:58:59,902 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 19:58:59,902 INFO L182 omatonBuilderFactory]: Interpolants [758#true, 759#false, 760#(= 1 (select |#valid| main_~nondetString2~0.base)), 761#(= 1 (select |#valid| |cstrcspn_#in~s2.base|)), 762#(= 1 (select |#valid| cstrcspn_~s2.base)), 763#(= 1 (select |#valid| cstrcspn_~s~0.base))] [2018-04-12 19:58:59,902 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 19:58:59,902 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-04-12 19:58:59,902 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-04-12 19:58:59,902 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-04-12 19:58:59,902 INFO L87 Difference]: Start difference. First operand 53 states and 59 transitions. Second operand 6 states. [2018-04-12 19:58:59,948 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 19:58:59,948 INFO L93 Difference]: Finished difference Result 53 states and 59 transitions. [2018-04-12 19:58:59,948 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-04-12 19:58:59,948 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 23 [2018-04-12 19:58:59,948 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 19:58:59,949 INFO L225 Difference]: With dead ends: 53 [2018-04-12 19:58:59,949 INFO L226 Difference]: Without dead ends: 53 [2018-04-12 19:58:59,949 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-04-12 19:58:59,949 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2018-04-12 19:58:59,950 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 50. [2018-04-12 19:58:59,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 50 states. [2018-04-12 19:58:59,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 56 transitions. [2018-04-12 19:58:59,951 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 56 transitions. Word has length 23 [2018-04-12 19:58:59,951 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 19:58:59,951 INFO L459 AbstractCegarLoop]: Abstraction has 50 states and 56 transitions. [2018-04-12 19:58:59,951 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-04-12 19:58:59,951 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 56 transitions. [2018-04-12 19:58:59,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-04-12 19:58:59,952 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 19:58:59,952 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] [2018-04-12 19:58:59,952 INFO L408 AbstractCegarLoop]: === Iteration 8 === [cstrcspnErr0RequiresViolation, cstrcspnErr9RequiresViolation, cstrcspnErr7RequiresViolation, cstrcspnErr4RequiresViolation, cstrcspnErr6RequiresViolation, cstrcspnErr5RequiresViolation, cstrcspnErr1RequiresViolation, cstrcspnErr3RequiresViolation, cstrcspnErr2RequiresViolation, cstrcspnErr8RequiresViolation, mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-12 19:58:59,952 INFO L82 PathProgramCache]: Analyzing trace with hash -894404630, now seen corresponding path program 1 times [2018-04-12 19:58:59,952 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 19:58:59,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 19:58:59,959 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 19:59:00,013 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 19:59:00,014 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-12 19:59:00,014 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-04-12 19:59:00,014 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-12 19:59:00,014 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 19:59:00,014 INFO L182 omatonBuilderFactory]: Interpolants [871#true, 872#false, 873#(<= 1 main_~length2~0), 874#(and (= main_~length2~0 (select |#length| |main_#t~malloc13.base|)) (<= 1 main_~length2~0) (= 0 |main_#t~malloc13.offset|)), 875#(and (= 0 main_~nondetString2~0.offset) (<= 1 main_~length2~0) (= main_~length2~0 (select |#length| main_~nondetString2~0.base))), 876#(and (= 0 main_~nondetString2~0.offset) (<= 1 (select |#length| main_~nondetString2~0.base))), 877#(and (= 0 |cstrcspn_#in~s2.offset|) (<= 1 (select |#length| |cstrcspn_#in~s2.base|))), 878#(and (<= 1 (select |#length| cstrcspn_~s2.base)) (= 0 cstrcspn_~s2.offset)), 879#(and (<= 1 (select |#length| cstrcspn_~s~0.base)) (= cstrcspn_~s~0.offset 0))] [2018-04-12 19:59:00,014 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 19:59:00,015 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-04-12 19:59:00,015 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-04-12 19:59:00,015 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2018-04-12 19:59:00,015 INFO L87 Difference]: Start difference. First operand 50 states and 56 transitions. Second operand 9 states. [2018-04-12 19:59:00,109 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 19:59:00,110 INFO L93 Difference]: Finished difference Result 67 states and 77 transitions. [2018-04-12 19:59:00,110 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-04-12 19:59:00,110 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 23 [2018-04-12 19:59:00,110 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 19:59:00,111 INFO L225 Difference]: With dead ends: 67 [2018-04-12 19:59:00,111 INFO L226 Difference]: Without dead ends: 67 [2018-04-12 19:59:00,111 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=98, Unknown=0, NotChecked=0, Total=132 [2018-04-12 19:59:00,111 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67 states. [2018-04-12 19:59:00,114 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67 to 58. [2018-04-12 19:59:00,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 58 states. [2018-04-12 19:59:00,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 58 states and 66 transitions. [2018-04-12 19:59:00,115 INFO L78 Accepts]: Start accepts. Automaton has 58 states and 66 transitions. Word has length 23 [2018-04-12 19:59:00,115 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 19:59:00,115 INFO L459 AbstractCegarLoop]: Abstraction has 58 states and 66 transitions. [2018-04-12 19:59:00,115 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-04-12 19:59:00,116 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 66 transitions. [2018-04-12 19:59:00,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-04-12 19:59:00,116 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 19:59:00,116 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] [2018-04-12 19:59:00,116 INFO L408 AbstractCegarLoop]: === Iteration 9 === [cstrcspnErr0RequiresViolation, cstrcspnErr9RequiresViolation, cstrcspnErr7RequiresViolation, cstrcspnErr4RequiresViolation, cstrcspnErr6RequiresViolation, cstrcspnErr5RequiresViolation, cstrcspnErr1RequiresViolation, cstrcspnErr3RequiresViolation, cstrcspnErr2RequiresViolation, cstrcspnErr8RequiresViolation, mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-12 19:59:00,117 INFO L82 PathProgramCache]: Analyzing trace with hash -1986095611, now seen corresponding path program 1 times [2018-04-12 19:59:00,117 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 19:59:00,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 19:59:00,131 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 19:59:00,210 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 19:59:00,210 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-12 19:59:00,210 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-04-12 19:59:00,210 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-12 19:59:00,210 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 19:59:00,211 INFO L182 omatonBuilderFactory]: Interpolants [1011#true, 1012#false, 1013#(= |#valid| |old(#valid)|), 1014#(and (= (select |#valid| |main_#t~malloc12.base|) 1) (= (store |#valid| |main_#t~malloc12.base| 0) |old(#valid)|)), 1015#(and (not (= |main_#t~malloc12.base| |main_#t~malloc13.base|)) (= (store (store |#valid| |main_#t~malloc13.base| 0) |main_#t~malloc12.base| 0) |old(#valid)|)), 1016#(= |old(#valid)| (store |#valid| |main_#t~malloc13.base| 0))] [2018-04-12 19:59:00,211 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 19:59:00,211 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-04-12 19:59:00,211 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-04-12 19:59:00,211 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-04-12 19:59:00,211 INFO L87 Difference]: Start difference. First operand 58 states and 66 transitions. Second operand 6 states. [2018-04-12 19:59:00,313 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 19:59:00,313 INFO L93 Difference]: Finished difference Result 57 states and 65 transitions. [2018-04-12 19:59:00,313 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-04-12 19:59:00,314 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 28 [2018-04-12 19:59:00,314 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 19:59:00,314 INFO L225 Difference]: With dead ends: 57 [2018-04-12 19:59:00,314 INFO L226 Difference]: Without dead ends: 48 [2018-04-12 19:59:00,314 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2018-04-12 19:59:00,314 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48 states. [2018-04-12 19:59:00,316 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48 to 48. [2018-04-12 19:59:00,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 48 states. [2018-04-12 19:59:00,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 54 transitions. [2018-04-12 19:59:00,316 INFO L78 Accepts]: Start accepts. Automaton has 48 states and 54 transitions. Word has length 28 [2018-04-12 19:59:00,317 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 19:59:00,317 INFO L459 AbstractCegarLoop]: Abstraction has 48 states and 54 transitions. [2018-04-12 19:59:00,317 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-04-12 19:59:00,317 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 54 transitions. [2018-04-12 19:59:00,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-04-12 19:59:00,317 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 19:59:00,317 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] [2018-04-12 19:59:00,317 INFO L408 AbstractCegarLoop]: === Iteration 10 === [cstrcspnErr0RequiresViolation, cstrcspnErr9RequiresViolation, cstrcspnErr7RequiresViolation, cstrcspnErr4RequiresViolation, cstrcspnErr6RequiresViolation, cstrcspnErr5RequiresViolation, cstrcspnErr1RequiresViolation, cstrcspnErr3RequiresViolation, cstrcspnErr2RequiresViolation, cstrcspnErr8RequiresViolation, mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-12 19:59:00,317 INFO L82 PathProgramCache]: Analyzing trace with hash 55851358, now seen corresponding path program 1 times [2018-04-12 19:59:00,318 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 19:59:00,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 19:59:00,327 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 19:59:00,340 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 19:59:00,340 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-12 19:59:00,341 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-04-12 19:59:00,341 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-12 19:59:00,341 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 19:59:00,341 INFO L182 omatonBuilderFactory]: Interpolants [1126#true, 1127#false, 1128#(not |cstrcspn_#t~short7|)] [2018-04-12 19:59:00,341 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 19:59:00,341 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-04-12 19:59:00,342 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-04-12 19:59:00,342 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-04-12 19:59:00,342 INFO L87 Difference]: Start difference. First operand 48 states and 54 transitions. Second operand 3 states. [2018-04-12 19:59:00,348 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 19:59:00,348 INFO L93 Difference]: Finished difference Result 50 states and 56 transitions. [2018-04-12 19:59:00,348 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-04-12 19:59:00,348 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 28 [2018-04-12 19:59:00,348 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 19:59:00,349 INFO L225 Difference]: With dead ends: 50 [2018-04-12 19:59:00,349 INFO L226 Difference]: Without dead ends: 50 [2018-04-12 19:59:00,349 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-04-12 19:59:00,349 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50 states. [2018-04-12 19:59:00,351 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 50. [2018-04-12 19:59:00,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 50 states. [2018-04-12 19:59:00,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 56 transitions. [2018-04-12 19:59:00,352 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 56 transitions. Word has length 28 [2018-04-12 19:59:00,353 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 19:59:00,353 INFO L459 AbstractCegarLoop]: Abstraction has 50 states and 56 transitions. [2018-04-12 19:59:00,353 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-04-12 19:59:00,353 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 56 transitions. [2018-04-12 19:59:00,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-04-12 19:59:00,353 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 19:59:00,354 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] [2018-04-12 19:59:00,354 INFO L408 AbstractCegarLoop]: === Iteration 11 === [cstrcspnErr0RequiresViolation, cstrcspnErr9RequiresViolation, cstrcspnErr7RequiresViolation, cstrcspnErr4RequiresViolation, cstrcspnErr6RequiresViolation, cstrcspnErr5RequiresViolation, cstrcspnErr1RequiresViolation, cstrcspnErr3RequiresViolation, cstrcspnErr2RequiresViolation, cstrcspnErr8RequiresViolation, mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-12 19:59:00,354 INFO L82 PathProgramCache]: Analyzing trace with hash 1951988481, now seen corresponding path program 1 times [2018-04-12 19:59:00,355 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 19:59:00,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 19:59:00,368 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 19:59:00,506 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-04-12 19:59:00,506 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-12 19:59:00,506 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2018-04-12 19:59:00,506 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-12 19:59:00,506 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 19:59:00,506 INFO L182 omatonBuilderFactory]: Interpolants [1232#(and (= (select |#valid| |main_#t~malloc12.base|) 1) (= 0 |main_#t~malloc12.offset|) (<= 1 main_~length1~0) (<= main_~length1~0 1)), 1233#(and (= (select |#valid| main_~nondetString1~0.base) 1) (<= 1 main_~length1~0) (<= main_~length1~0 1) (= main_~nondetString1~0.offset 0)), 1234#(and (<= 1 main_~length1~0) (<= main_~length1~0 1) (not (= main_~nondetString1~0.base |main_#t~malloc13.base|)) (= main_~nondetString1~0.offset 0)), 1235#(and (<= 1 main_~length1~0) (not (= main_~nondetString1~0.base main_~nondetString2~0.base)) (<= main_~length1~0 1) (= main_~nondetString1~0.offset 0)), 1236#(and (= 0 (select (select |#memory_int| main_~nondetString1~0.base) main_~nondetString1~0.offset)) (not (= main_~nondetString1~0.base main_~nondetString2~0.base)) (= main_~nondetString1~0.offset 0)), 1237#(= 0 (select (select |#memory_int| |cstrcspn_#in~s1.base|) |cstrcspn_#in~s1.offset|)), 1238#(= 0 (select (select |#memory_int| cstrcspn_~sc1~0.base) cstrcspn_~sc1~0.offset)), 1239#(and (= 0 (select (select |#memory_int| cstrcspn_~sc1~0.base) cstrcspn_~sc1~0.offset)) (= |cstrcspn_#t~mem3| (select (select |#memory_int| cstrcspn_~sc1~0.base) cstrcspn_~sc1~0.offset))), 1229#true, 1230#false, 1231#(and (<= 1 main_~length1~0) (<= main_~length1~0 1))] [2018-04-12 19:59:00,506 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-04-12 19:59:00,506 INFO L442 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-04-12 19:59:00,507 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-04-12 19:59:00,507 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2018-04-12 19:59:00,507 INFO L87 Difference]: Start difference. First operand 50 states and 56 transitions. Second operand 11 states. [2018-04-12 19:59:00,611 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 19:59:00,612 INFO L93 Difference]: Finished difference Result 62 states and 68 transitions. [2018-04-12 19:59:00,612 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-04-12 19:59:00,612 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 30 [2018-04-12 19:59:00,612 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 19:59:00,612 INFO L225 Difference]: With dead ends: 62 [2018-04-12 19:59:00,613 INFO L226 Difference]: Without dead ends: 50 [2018-04-12 19:59:00,613 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=66, Invalid=206, Unknown=0, NotChecked=0, Total=272 [2018-04-12 19:59:00,613 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50 states. [2018-04-12 19:59:00,615 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 50. [2018-04-12 19:59:00,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 50 states. [2018-04-12 19:59:00,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 55 transitions. [2018-04-12 19:59:00,616 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 55 transitions. Word has length 30 [2018-04-12 19:59:00,616 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 19:59:00,616 INFO L459 AbstractCegarLoop]: Abstraction has 50 states and 55 transitions. [2018-04-12 19:59:00,616 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-04-12 19:59:00,616 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 55 transitions. [2018-04-12 19:59:00,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-04-12 19:59:00,617 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 19:59:00,617 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] [2018-04-12 19:59:00,618 INFO L408 AbstractCegarLoop]: === Iteration 12 === [cstrcspnErr0RequiresViolation, cstrcspnErr9RequiresViolation, cstrcspnErr7RequiresViolation, cstrcspnErr4RequiresViolation, cstrcspnErr6RequiresViolation, cstrcspnErr5RequiresViolation, cstrcspnErr1RequiresViolation, cstrcspnErr3RequiresViolation, cstrcspnErr2RequiresViolation, cstrcspnErr8RequiresViolation, mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-12 19:59:00,619 INFO L82 PathProgramCache]: Analyzing trace with hash 1817974975, now seen corresponding path program 1 times [2018-04-12 19:59:00,619 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 19:59:00,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 19:59:00,633 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 19:59:00,737 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 19:59:00,737 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-12 19:59:00,738 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2018-04-12 19:59:00,738 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-12 19:59:00,738 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 19:59:00,738 INFO L182 omatonBuilderFactory]: Interpolants [1364#true, 1365#false, 1366#(and (<= main_~length2~0 1) (<= 1 main_~length2~0)), 1367#(and (<= main_~length2~0 1) (<= 1 main_~length2~0) (= 0 |main_#t~malloc13.offset|)), 1368#(and (= 0 main_~nondetString2~0.offset) (<= 1 main_~length2~0) (<= (+ main_~nondetString2~0.offset main_~length2~0) 1)), 1369#(and (= main_~nondetString2~0.offset 0) (= 0 (select (select |#memory_int| main_~nondetString2~0.base) main_~nondetString2~0.offset))), 1370#(= 0 (select (select |#memory_int| |cstrcspn_#in~s2.base|) |cstrcspn_#in~s2.offset|)), 1371#(= 0 (select (select |#memory_int| cstrcspn_~s2.base) cstrcspn_~s2.offset)), 1372#(= 0 (select (select |#memory_int| cstrcspn_~s~0.base) cstrcspn_~s~0.offset)), 1373#(and (= |cstrcspn_#t~mem5| (select (select |#memory_int| cstrcspn_~s~0.base) cstrcspn_~s~0.offset)) (= 0 (select (select |#memory_int| cstrcspn_~s~0.base) cstrcspn_~s~0.offset))), 1374#(not |cstrcspn_#t~short7|)] [2018-04-12 19:59:00,738 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 19:59:00,739 INFO L442 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-04-12 19:59:00,739 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-04-12 19:59:00,739 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2018-04-12 19:59:00,739 INFO L87 Difference]: Start difference. First operand 50 states and 55 transitions. Second operand 11 states. [2018-04-12 19:59:00,880 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 19:59:00,880 INFO L93 Difference]: Finished difference Result 77 states and 82 transitions. [2018-04-12 19:59:00,880 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-04-12 19:59:00,881 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 30 [2018-04-12 19:59:00,881 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 19:59:00,881 INFO L225 Difference]: With dead ends: 77 [2018-04-12 19:59:00,881 INFO L226 Difference]: Without dead ends: 77 [2018-04-12 19:59:00,881 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=62, Invalid=210, Unknown=0, NotChecked=0, Total=272 [2018-04-12 19:59:00,882 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77 states. [2018-04-12 19:59:00,885 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77 to 75. [2018-04-12 19:59:00,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 75 states. [2018-04-12 19:59:00,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 82 transitions. [2018-04-12 19:59:00,886 INFO L78 Accepts]: Start accepts. Automaton has 75 states and 82 transitions. Word has length 30 [2018-04-12 19:59:00,886 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 19:59:00,886 INFO L459 AbstractCegarLoop]: Abstraction has 75 states and 82 transitions. [2018-04-12 19:59:00,886 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-04-12 19:59:00,886 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 82 transitions. [2018-04-12 19:59:00,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-04-12 19:59:00,887 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 19:59:00,887 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] [2018-04-12 19:59:00,887 INFO L408 AbstractCegarLoop]: === Iteration 13 === [cstrcspnErr0RequiresViolation, cstrcspnErr9RequiresViolation, cstrcspnErr7RequiresViolation, cstrcspnErr4RequiresViolation, cstrcspnErr6RequiresViolation, cstrcspnErr5RequiresViolation, cstrcspnErr1RequiresViolation, cstrcspnErr3RequiresViolation, cstrcspnErr2RequiresViolation, cstrcspnErr8RequiresViolation, mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-12 19:59:00,887 INFO L82 PathProgramCache]: Analyzing trace with hash 12536641, now seen corresponding path program 1 times [2018-04-12 19:59:00,887 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 19:59:00,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 19:59:00,898 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 19:59:01,057 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 19:59:01,057 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-12 19:59:01,057 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2018-04-12 19:59:01,057 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-12 19:59:01,058 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 19:59:01,058 INFO L182 omatonBuilderFactory]: Interpolants [1539#true, 1540#false, 1541#(<= 1 main_~length2~0), 1542#(and (= main_~length2~0 (select |#length| |main_#t~malloc13.base|)) (<= 1 main_~length2~0) (= 0 |main_#t~malloc13.offset|)), 1543#(and (= 0 main_~nondetString2~0.offset) (<= 1 main_~length2~0) (or (= (+ main_~nondetString2~0.offset main_~length2~0) 1) (= main_~length2~0 (select |#length| main_~nondetString2~0.base)))), 1544#(and (= 0 main_~nondetString2~0.offset) (or (= 0 (select (select |#memory_int| main_~nondetString2~0.base) main_~nondetString2~0.offset)) (<= 2 (+ main_~nondetString2~0.offset (select |#length| main_~nondetString2~0.base))))), 1545#(and (or (<= 2 (select |#length| |cstrcspn_#in~s2.base|)) (= 0 (select (select |#memory_int| |cstrcspn_#in~s2.base|) |cstrcspn_#in~s2.offset|))) (= 0 |cstrcspn_#in~s2.offset|)), 1546#(and (or (<= 2 (select |#length| cstrcspn_~s2.base)) (= 0 (select (select |#memory_int| cstrcspn_~s2.base) cstrcspn_~s2.offset))) (= 0 cstrcspn_~s2.offset)), 1547#(and (or (<= 2 (select |#length| cstrcspn_~s~0.base)) (= 0 (select (select |#memory_int| cstrcspn_~s~0.base) cstrcspn_~s~0.offset))) (= cstrcspn_~s~0.offset 0)), 1548#(and (= cstrcspn_~s~0.offset 0) (or (and (= |cstrcspn_#t~mem5| (select (select |#memory_int| cstrcspn_~s~0.base) cstrcspn_~s~0.offset)) (= 0 (select (select |#memory_int| cstrcspn_~s~0.base) cstrcspn_~s~0.offset))) (<= 2 (select |#length| cstrcspn_~s~0.base)))), 1549#(and (or (not |cstrcspn_#t~short7|) (<= 2 (select |#length| cstrcspn_~s~0.base))) (= cstrcspn_~s~0.offset 0)), 1550#(and (<= 2 (select |#length| cstrcspn_~s~0.base)) (= cstrcspn_~s~0.offset 0)), 1551#(and (<= 1 cstrcspn_~s~0.offset) (<= (+ cstrcspn_~s~0.offset 1) (select |#length| cstrcspn_~s~0.base)))] [2018-04-12 19:59:01,058 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 19:59:01,058 INFO L442 AbstractCegarLoop]: Interpolant automaton has 13 states [2018-04-12 19:59:01,058 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2018-04-12 19:59:01,058 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=127, Unknown=0, NotChecked=0, Total=156 [2018-04-12 19:59:01,059 INFO L87 Difference]: Start difference. First operand 75 states and 82 transitions. Second operand 13 states. [2018-04-12 19:59:01,395 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 19:59:01,395 INFO L93 Difference]: Finished difference Result 103 states and 112 transitions. [2018-04-12 19:59:01,396 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2018-04-12 19:59:01,396 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 30 [2018-04-12 19:59:01,396 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 19:59:01,398 INFO L225 Difference]: With dead ends: 103 [2018-04-12 19:59:01,398 INFO L226 Difference]: Without dead ends: 103 [2018-04-12 19:59:01,399 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 57 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=87, Invalid=333, Unknown=0, NotChecked=0, Total=420 [2018-04-12 19:59:01,399 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 103 states. [2018-04-12 19:59:01,403 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 103 to 82. [2018-04-12 19:59:01,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 82 states. [2018-04-12 19:59:01,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 82 states and 91 transitions. [2018-04-12 19:59:01,404 INFO L78 Accepts]: Start accepts. Automaton has 82 states and 91 transitions. Word has length 30 [2018-04-12 19:59:01,404 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 19:59:01,404 INFO L459 AbstractCegarLoop]: Abstraction has 82 states and 91 transitions. [2018-04-12 19:59:01,404 INFO L460 AbstractCegarLoop]: Interpolant automaton has 13 states. [2018-04-12 19:59:01,404 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 91 transitions. [2018-04-12 19:59:01,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-04-12 19:59:01,405 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 19:59:01,405 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] [2018-04-12 19:59:01,405 INFO L408 AbstractCegarLoop]: === Iteration 14 === [cstrcspnErr0RequiresViolation, cstrcspnErr9RequiresViolation, cstrcspnErr7RequiresViolation, cstrcspnErr4RequiresViolation, cstrcspnErr6RequiresViolation, cstrcspnErr5RequiresViolation, cstrcspnErr1RequiresViolation, cstrcspnErr3RequiresViolation, cstrcspnErr2RequiresViolation, cstrcspnErr8RequiresViolation, mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-12 19:59:01,405 INFO L82 PathProgramCache]: Analyzing trace with hash 1821776862, now seen corresponding path program 1 times [2018-04-12 19:59:01,406 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 19:59:01,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 19:59:01,413 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 19:59:01,660 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 19:59:01,660 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-12 19:59:01,660 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2018-04-12 19:59:01,660 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-12 19:59:01,660 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 19:59:01,661 INFO L182 omatonBuilderFactory]: Interpolants [1760#(and (= 0 main_~nondetString1~0.offset) (or (and (= 0 (select (select |#memory_int| main_~nondetString1~0.base) main_~nondetString1~0.offset)) (not (= main_~nondetString1~0.base main_~nondetString2~0.base))) (<= 2 (select |#length| main_~nondetString1~0.base)))), 1761#(and (= 0 |cstrcspn_#in~s1.offset|) (or (<= 2 (select |#length| |cstrcspn_#in~s1.base|)) (= 0 (select (select |#memory_int| |cstrcspn_#in~s1.base|) |cstrcspn_#in~s1.offset|)))), 1762#(and (= cstrcspn_~sc1~0.offset 0) (or (= 0 (select (select |#memory_int| cstrcspn_~sc1~0.base) cstrcspn_~sc1~0.offset)) (<= 2 (select |#length| cstrcspn_~sc1~0.base)))), 1763#(and (= cstrcspn_~sc1~0.offset 0) (or (and (= 0 (select (select |#memory_int| cstrcspn_~sc1~0.base) cstrcspn_~sc1~0.offset)) (= |cstrcspn_#t~mem3| (select (select |#memory_int| cstrcspn_~sc1~0.base) cstrcspn_~sc1~0.offset))) (<= 2 (select |#length| cstrcspn_~sc1~0.base)))), 1764#(and (= cstrcspn_~sc1~0.offset 0) (<= 2 (select |#length| cstrcspn_~sc1~0.base))), 1765#(and (<= (+ cstrcspn_~sc1~0.offset 1) (select |#length| cstrcspn_~sc1~0.base)) (<= 1 cstrcspn_~sc1~0.offset)), 1753#true, 1754#false, 1755#(<= 1 main_~length1~0), 1756#(and (= (select |#valid| |main_#t~malloc12.base|) 1) (= 0 |main_#t~malloc12.offset|) (<= 1 main_~length1~0)), 1757#(and (or (not (= (+ main_~nondetString1~0.offset main_~length1~0) 1)) (= (select |#valid| main_~nondetString1~0.base) 1)) (<= 1 main_~length1~0) (= main_~nondetString1~0.offset 0)), 1758#(and (<= 1 main_~length1~0) (or (not (= (+ main_~nondetString1~0.offset main_~length1~0) 1)) (not (= main_~nondetString1~0.base |main_#t~malloc13.base|))) (= main_~nondetString1~0.offset 0)), 1759#(and (or (not (= (+ main_~nondetString1~0.offset main_~length1~0) 1)) (not (= main_~nondetString1~0.base main_~nondetString2~0.base))) (<= 1 main_~length1~0) (= main_~nondetString1~0.offset 0))] [2018-04-12 19:59:01,661 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 19:59:01,661 INFO L442 AbstractCegarLoop]: Interpolant automaton has 13 states [2018-04-12 19:59:01,661 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2018-04-12 19:59:01,661 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=126, Unknown=0, NotChecked=0, Total=156 [2018-04-12 19:59:01,661 INFO L87 Difference]: Start difference. First operand 82 states and 91 transitions. Second operand 13 states. [2018-04-12 19:59:01,839 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 19:59:01,839 INFO L93 Difference]: Finished difference Result 170 states and 191 transitions. [2018-04-12 19:59:01,839 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2018-04-12 19:59:01,840 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 31 [2018-04-12 19:59:01,840 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 19:59:01,840 INFO L225 Difference]: With dead ends: 170 [2018-04-12 19:59:01,840 INFO L226 Difference]: Without dead ends: 170 [2018-04-12 19:59:01,841 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 72 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=84, Invalid=336, Unknown=0, NotChecked=0, Total=420 [2018-04-12 19:59:01,841 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 170 states. [2018-04-12 19:59:01,848 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 170 to 127. [2018-04-12 19:59:01,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 127 states. [2018-04-12 19:59:01,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 127 states and 145 transitions. [2018-04-12 19:59:01,849 INFO L78 Accepts]: Start accepts. Automaton has 127 states and 145 transitions. Word has length 31 [2018-04-12 19:59:01,849 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 19:59:01,849 INFO L459 AbstractCegarLoop]: Abstraction has 127 states and 145 transitions. [2018-04-12 19:59:01,849 INFO L460 AbstractCegarLoop]: Interpolant automaton has 13 states. [2018-04-12 19:59:01,849 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 145 transitions. [2018-04-12 19:59:01,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-04-12 19:59:01,850 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 19:59:01,850 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] [2018-04-12 19:59:01,850 INFO L408 AbstractCegarLoop]: === Iteration 15 === [cstrcspnErr0RequiresViolation, cstrcspnErr9RequiresViolation, cstrcspnErr7RequiresViolation, cstrcspnErr4RequiresViolation, cstrcspnErr6RequiresViolation, cstrcspnErr5RequiresViolation, cstrcspnErr1RequiresViolation, cstrcspnErr3RequiresViolation, cstrcspnErr2RequiresViolation, cstrcspnErr8RequiresViolation, mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-12 19:59:01,850 INFO L82 PathProgramCache]: Analyzing trace with hash -670234678, now seen corresponding path program 2 times [2018-04-12 19:59:01,851 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 19:59:01,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 19:59:01,864 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 19:59:02,151 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 19:59:02,151 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-12 19:59:02,151 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2018-04-12 19:59:02,151 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-12 19:59:02,152 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 19:59:02,152 INFO L182 omatonBuilderFactory]: Interpolants [2080#false, 2081#(and (= main_~length2~0 (select |#length| |main_#t~malloc13.base|)) (= 0 |main_#t~malloc13.offset|)), 2082#(and (= 0 main_~nondetString2~0.offset) (or (= (+ main_~nondetString2~0.offset main_~length2~0) 2) (= main_~length2~0 (select |#length| main_~nondetString2~0.base)))), 2083#(and (= 0 main_~nondetString2~0.offset) (or (= 0 (select (select |#memory_int| main_~nondetString2~0.base) 1)) (<= (+ main_~nondetString2~0.offset (select |#length| main_~nondetString2~0.base)) 1) (<= 3 (+ main_~nondetString2~0.offset (select |#length| main_~nondetString2~0.base))))), 2084#(and (or (<= (select |#length| |cstrcspn_#in~s2.base|) 1) (= 0 (select (select |#memory_int| |cstrcspn_#in~s2.base|) 1)) (<= 3 (select |#length| |cstrcspn_#in~s2.base|))) (= 0 |cstrcspn_#in~s2.offset|)), 2085#(and (or (<= (select |#length| cstrcspn_~s2.base) 1) (= 0 (select (select |#memory_int| cstrcspn_~s2.base) 1)) (<= 3 (select |#length| cstrcspn_~s2.base))) (= 0 cstrcspn_~s2.offset)), 2086#(and (= cstrcspn_~s~0.offset 0) (or (= 0 (select (select |#memory_int| cstrcspn_~s~0.base) 1)) (<= (select |#length| cstrcspn_~s~0.base) 1) (<= 3 (select |#length| cstrcspn_~s~0.base)))), 2087#(and (<= 1 cstrcspn_~s~0.offset) (or (<= (+ cstrcspn_~s~0.offset 2) (select |#length| cstrcspn_~s~0.base)) (<= (select |#length| cstrcspn_~s~0.base) cstrcspn_~s~0.offset) (= 0 (select (select |#memory_int| cstrcspn_~s~0.base) cstrcspn_~s~0.offset))) (<= cstrcspn_~s~0.offset 1)), 2088#(and (<= 1 cstrcspn_~s~0.offset) (or (<= (+ cstrcspn_~s~0.offset 2) (select |#length| cstrcspn_~s~0.base)) (and (= |cstrcspn_#t~mem5| (select (select |#memory_int| cstrcspn_~s~0.base) cstrcspn_~s~0.offset)) (= 0 (select (select |#memory_int| cstrcspn_~s~0.base) cstrcspn_~s~0.offset)))) (<= cstrcspn_~s~0.offset 1)), 2089#(and (<= 1 cstrcspn_~s~0.offset) (or (<= (+ cstrcspn_~s~0.offset 2) (select |#length| cstrcspn_~s~0.base)) (not |cstrcspn_#t~short7|)) (<= cstrcspn_~s~0.offset 1)), 2090#(and (<= (+ cstrcspn_~s~0.offset 2) (select |#length| cstrcspn_~s~0.base)) (<= 1 cstrcspn_~s~0.offset) (<= cstrcspn_~s~0.offset 1)), 2091#(and (<= 2 cstrcspn_~s~0.offset) (<= (+ cstrcspn_~s~0.offset 1) (select |#length| cstrcspn_~s~0.base))), 2079#true] [2018-04-12 19:59:02,152 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 19:59:02,152 INFO L442 AbstractCegarLoop]: Interpolant automaton has 13 states [2018-04-12 19:59:02,152 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2018-04-12 19:59:02,152 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2018-04-12 19:59:02,152 INFO L87 Difference]: Start difference. First operand 127 states and 145 transitions. Second operand 13 states. [2018-04-12 19:59:02,531 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 19:59:02,531 INFO L93 Difference]: Finished difference Result 195 states and 217 transitions. [2018-04-12 19:59:02,531 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2018-04-12 19:59:02,531 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 37 [2018-04-12 19:59:02,531 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 19:59:02,532 INFO L225 Difference]: With dead ends: 195 [2018-04-12 19:59:02,532 INFO L226 Difference]: Without dead ends: 195 [2018-04-12 19:59:02,533 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 38 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=89, Invalid=373, Unknown=0, NotChecked=0, Total=462 [2018-04-12 19:59:02,533 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 195 states. [2018-04-12 19:59:02,536 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 195 to 141. [2018-04-12 19:59:02,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 141 states. [2018-04-12 19:59:02,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 141 states and 163 transitions. [2018-04-12 19:59:02,537 INFO L78 Accepts]: Start accepts. Automaton has 141 states and 163 transitions. Word has length 37 [2018-04-12 19:59:02,537 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 19:59:02,537 INFO L459 AbstractCegarLoop]: Abstraction has 141 states and 163 transitions. [2018-04-12 19:59:02,537 INFO L460 AbstractCegarLoop]: Interpolant automaton has 13 states. [2018-04-12 19:59:02,537 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 163 transitions. [2018-04-12 19:59:02,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-04-12 19:59:02,538 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 19:59:02,538 INFO L355 BasicCegarLoop]: trace histogram [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] [2018-04-12 19:59:02,539 INFO L408 AbstractCegarLoop]: === Iteration 16 === [cstrcspnErr0RequiresViolation, cstrcspnErr9RequiresViolation, cstrcspnErr7RequiresViolation, cstrcspnErr4RequiresViolation, cstrcspnErr6RequiresViolation, cstrcspnErr5RequiresViolation, cstrcspnErr1RequiresViolation, cstrcspnErr3RequiresViolation, cstrcspnErr2RequiresViolation, cstrcspnErr8RequiresViolation, mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-12 19:59:02,539 INFO L82 PathProgramCache]: Analyzing trace with hash 903827564, now seen corresponding path program 2 times [2018-04-12 19:59:02,539 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 19:59:02,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 19:59:02,558 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 19:59:02,805 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 17 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 19:59:02,806 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-12 19:59:02,806 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2018-04-12 19:59:02,806 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-12 19:59:02,806 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 19:59:02,806 INFO L182 omatonBuilderFactory]: Interpolants [2446#true, 2447#false, 2448#(and (= main_~length1~0 (select |#length| |main_#t~malloc12.base|)) (= (select |#valid| |main_#t~malloc12.base|) 1) (= 0 |main_#t~malloc12.offset|)), 2449#(and (= 0 main_~nondetString1~0.offset) (= (select |#valid| main_~nondetString1~0.base) 1) (or (= main_~length1~0 (select |#length| main_~nondetString1~0.base)) (= (+ main_~nondetString1~0.offset main_~length1~0) 2))), 2450#(and (= 0 main_~nondetString1~0.offset) (or (not (= (+ main_~nondetString1~0.offset main_~length1~0) 2)) (not (= main_~nondetString1~0.base |main_#t~malloc13.base|))) (or (= main_~length1~0 (select |#length| main_~nondetString1~0.base)) (= (+ main_~nondetString1~0.offset main_~length1~0) 2))), 2451#(and (or (not (= (+ main_~nondetString1~0.offset main_~length1~0) 2)) (not (= main_~nondetString1~0.base main_~nondetString2~0.base))) (= 0 main_~nondetString1~0.offset) (or (= main_~length1~0 (select |#length| main_~nondetString1~0.base)) (= (+ main_~nondetString1~0.offset main_~length1~0) 2))), 2452#(and (= 0 main_~nondetString1~0.offset) (or (<= 3 (+ main_~nondetString1~0.offset (select |#length| main_~nondetString1~0.base))) (<= (+ main_~nondetString1~0.offset (select |#length| main_~nondetString1~0.base)) 1) (and (= 0 (select (select |#memory_int| main_~nondetString1~0.base) 1)) (not (= main_~nondetString1~0.base main_~nondetString2~0.base))))), 2453#(and (= 0 |cstrcspn_#in~s1.offset|) (or (= 0 (select (select |#memory_int| |cstrcspn_#in~s1.base|) 1)) (<= 3 (select |#length| |cstrcspn_#in~s1.base|)) (<= (select |#length| |cstrcspn_#in~s1.base|) 1))), 2454#(and (= cstrcspn_~sc1~0.offset 0) (or (<= (select |#length| cstrcspn_~sc1~0.base) 1) (= 0 (select (select |#memory_int| cstrcspn_~sc1~0.base) 1)) (<= 3 (select |#length| cstrcspn_~sc1~0.base)))), 2455#(or (and (or (<= (select |#length| cstrcspn_~sc1~0.base) cstrcspn_~sc1~0.offset) (<= (+ cstrcspn_~sc1~0.offset 2) (select |#length| cstrcspn_~sc1~0.base))) (<= 1 cstrcspn_~sc1~0.offset)) (and (= 1 cstrcspn_~sc1~0.offset) (= 0 (select (select |#memory_int| cstrcspn_~sc1~0.base) cstrcspn_~sc1~0.offset)))), 2456#(or (and (<= (+ cstrcspn_~sc1~0.offset 2) (select |#length| cstrcspn_~sc1~0.base)) (<= 1 cstrcspn_~sc1~0.offset)) (and (= 1 cstrcspn_~sc1~0.offset) (= 0 (select (select |#memory_int| cstrcspn_~sc1~0.base) cstrcspn_~sc1~0.offset)) (= |cstrcspn_#t~mem3| (select (select |#memory_int| cstrcspn_~sc1~0.base) cstrcspn_~sc1~0.offset)))), 2457#(and (<= (+ cstrcspn_~sc1~0.offset 2) (select |#length| cstrcspn_~sc1~0.base)) (<= 1 cstrcspn_~sc1~0.offset)), 2458#(and (<= 2 cstrcspn_~sc1~0.offset) (<= (+ cstrcspn_~sc1~0.offset 1) (select |#length| cstrcspn_~sc1~0.base)))] [2018-04-12 19:59:02,807 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 17 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 19:59:02,807 INFO L442 AbstractCegarLoop]: Interpolant automaton has 13 states [2018-04-12 19:59:02,807 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2018-04-12 19:59:02,807 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=130, Unknown=0, NotChecked=0, Total=156 [2018-04-12 19:59:02,807 INFO L87 Difference]: Start difference. First operand 141 states and 163 transitions. Second operand 13 states. [2018-04-12 19:59:03,111 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 19:59:03,111 INFO L93 Difference]: Finished difference Result 246 states and 281 transitions. [2018-04-12 19:59:03,111 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2018-04-12 19:59:03,111 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 44 [2018-04-12 19:59:03,112 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 19:59:03,113 INFO L225 Difference]: With dead ends: 246 [2018-04-12 19:59:03,113 INFO L226 Difference]: Without dead ends: 246 [2018-04-12 19:59:03,113 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 42 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=80, Invalid=382, Unknown=0, NotChecked=0, Total=462 [2018-04-12 19:59:03,113 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 246 states. [2018-04-12 19:59:03,117 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 246 to 193. [2018-04-12 19:59:03,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 193 states. [2018-04-12 19:59:03,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 193 states and 226 transitions. [2018-04-12 19:59:03,119 INFO L78 Accepts]: Start accepts. Automaton has 193 states and 226 transitions. Word has length 44 [2018-04-12 19:59:03,119 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 19:59:03,132 INFO L459 AbstractCegarLoop]: Abstraction has 193 states and 226 transitions. [2018-04-12 19:59:03,132 INFO L460 AbstractCegarLoop]: Interpolant automaton has 13 states. [2018-04-12 19:59:03,132 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 226 transitions. [2018-04-12 19:59:03,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-04-12 19:59:03,133 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 19:59:03,133 INFO L355 BasicCegarLoop]: trace histogram [4, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 19:59:03,133 INFO L408 AbstractCegarLoop]: === Iteration 17 === [cstrcspnErr0RequiresViolation, cstrcspnErr9RequiresViolation, cstrcspnErr7RequiresViolation, cstrcspnErr4RequiresViolation, cstrcspnErr6RequiresViolation, cstrcspnErr5RequiresViolation, cstrcspnErr1RequiresViolation, cstrcspnErr3RequiresViolation, cstrcspnErr2RequiresViolation, cstrcspnErr8RequiresViolation, mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-12 19:59:03,133 INFO L82 PathProgramCache]: Analyzing trace with hash -1802186975, now seen corresponding path program 3 times [2018-04-12 19:59:03,134 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 19:59:03,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 19:59:03,145 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 19:59:03,264 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-04-12 19:59:03,264 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-12 19:59:03,264 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2018-04-12 19:59:03,264 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-12 19:59:03,264 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 19:59:03,264 INFO L182 omatonBuilderFactory]: Interpolants [2916#true, 2917#false, 2918#(and (= main_~length2~0 (select |#length| |main_#t~malloc13.base|)) (= 0 |main_#t~malloc13.offset|)), 2919#(and (= main_~nondetString2~0.offset 0) (= main_~length2~0 (select |#length| main_~nondetString2~0.base))), 2920#(and (= main_~nondetString2~0.offset 0) (= 0 (select (select |#memory_int| main_~nondetString2~0.base) (+ (select |#length| main_~nondetString2~0.base) (+ main_~nondetString2~0.offset (- 1)))))), 2921#(= 0 (select (select |#memory_int| |cstrcspn_#in~s2.base|) (+ (select |#length| |cstrcspn_#in~s2.base|) (- 1)))), 2922#(= 0 (select (select |#memory_int| cstrcspn_~s2.base) (+ (select |#length| cstrcspn_~s2.base) (- 1)))), 2923#(= 0 (select (select |#memory_int| cstrcspn_~s~0.base) (+ (select |#length| cstrcspn_~s~0.base) (- 1)))), 2924#(or (<= (+ cstrcspn_~s~0.offset 2) (select |#length| cstrcspn_~s~0.base)) (<= (select |#length| cstrcspn_~s~0.base) cstrcspn_~s~0.offset) (= 0 (select (select |#memory_int| cstrcspn_~s~0.base) cstrcspn_~s~0.offset))), 2925#(or (and (= |cstrcspn_#t~mem5| (select (select |#memory_int| cstrcspn_~s~0.base) cstrcspn_~s~0.offset)) (= 0 (select (select |#memory_int| cstrcspn_~s~0.base) cstrcspn_~s~0.offset))) (and (<= 0 cstrcspn_~s~0.offset) (<= (+ cstrcspn_~s~0.offset 2) (select |#length| cstrcspn_~s~0.base)))), 2926#(or (not |cstrcspn_#t~short7|) (and (<= 0 cstrcspn_~s~0.offset) (<= (+ cstrcspn_~s~0.offset 2) (select |#length| cstrcspn_~s~0.base)))), 2927#(and (<= 0 cstrcspn_~s~0.offset) (<= (+ cstrcspn_~s~0.offset 2) (select |#length| cstrcspn_~s~0.base))), 2928#(and (<= 1 cstrcspn_~s~0.offset) (<= (+ cstrcspn_~s~0.offset 1) (select |#length| cstrcspn_~s~0.base)))] [2018-04-12 19:59:03,265 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-04-12 19:59:03,265 INFO L442 AbstractCegarLoop]: Interpolant automaton has 13 states [2018-04-12 19:59:03,265 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2018-04-12 19:59:03,265 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2018-04-12 19:59:03,265 INFO L87 Difference]: Start difference. First operand 193 states and 226 transitions. Second operand 13 states. [2018-04-12 19:59:03,532 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 19:59:03,532 INFO L93 Difference]: Finished difference Result 253 states and 280 transitions. [2018-04-12 19:59:03,532 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-04-12 19:59:03,533 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 44 [2018-04-12 19:59:03,533 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 19:59:03,533 INFO L225 Difference]: With dead ends: 253 [2018-04-12 19:59:03,533 INFO L226 Difference]: Without dead ends: 253 [2018-04-12 19:59:03,534 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 41 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=136, Invalid=416, Unknown=0, NotChecked=0, Total=552 [2018-04-12 19:59:03,534 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 253 states. [2018-04-12 19:59:03,536 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 253 to 121. [2018-04-12 19:59:03,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 121 states. [2018-04-12 19:59:03,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 121 states and 130 transitions. [2018-04-12 19:59:03,536 INFO L78 Accepts]: Start accepts. Automaton has 121 states and 130 transitions. Word has length 44 [2018-04-12 19:59:03,536 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 19:59:03,536 INFO L459 AbstractCegarLoop]: Abstraction has 121 states and 130 transitions. [2018-04-12 19:59:03,536 INFO L460 AbstractCegarLoop]: Interpolant automaton has 13 states. [2018-04-12 19:59:03,536 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 130 transitions. [2018-04-12 19:59:03,537 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-04-12 19:59:03,537 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 19:59:03,537 INFO L355 BasicCegarLoop]: trace histogram [4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 19:59:03,537 INFO L408 AbstractCegarLoop]: === Iteration 18 === [cstrcspnErr0RequiresViolation, cstrcspnErr9RequiresViolation, cstrcspnErr7RequiresViolation, cstrcspnErr4RequiresViolation, cstrcspnErr6RequiresViolation, cstrcspnErr5RequiresViolation, cstrcspnErr1RequiresViolation, cstrcspnErr3RequiresViolation, cstrcspnErr2RequiresViolation, cstrcspnErr8RequiresViolation, mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-12 19:59:03,537 INFO L82 PathProgramCache]: Analyzing trace with hash -516918626, now seen corresponding path program 3 times [2018-04-12 19:59:03,538 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 19:59:03,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 19:59:03,544 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 19:59:03,666 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 32 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-04-12 19:59:03,666 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-12 19:59:03,666 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2018-04-12 19:59:03,666 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-12 19:59:03,666 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 19:59:03,667 INFO L182 omatonBuilderFactory]: Interpolants [3328#(and (= main_~length1~0 (select |#length| main_~nondetString1~0.base)) (= (select |#valid| main_~nondetString1~0.base) 1) (= main_~nondetString1~0.offset 0)), 3329#(and (= main_~length1~0 (select |#length| main_~nondetString1~0.base)) (not (= main_~nondetString1~0.base |main_#t~malloc13.base|)) (= main_~nondetString1~0.offset 0)), 3330#(and (= main_~length1~0 (select |#length| main_~nondetString1~0.base)) (not (= main_~nondetString1~0.base main_~nondetString2~0.base)) (= main_~nondetString1~0.offset 0)), 3331#(and (not (= main_~nondetString1~0.base main_~nondetString2~0.base)) (= 0 (select (select |#memory_int| main_~nondetString1~0.base) (+ (select |#length| main_~nondetString1~0.base) (+ main_~nondetString1~0.offset (- 1))))) (= main_~nondetString1~0.offset 0)), 3332#(= 0 (select (select |#memory_int| |cstrcspn_#in~s1.base|) (+ (select |#length| |cstrcspn_#in~s1.base|) (- 1)))), 3333#(= 0 (select (select |#memory_int| cstrcspn_~sc1~0.base) (+ (select |#length| cstrcspn_~sc1~0.base) (- 1)))), 3334#(or (<= (select |#length| cstrcspn_~sc1~0.base) cstrcspn_~sc1~0.offset) (<= (+ cstrcspn_~sc1~0.offset 2) (select |#length| cstrcspn_~sc1~0.base)) (= 0 (select (select |#memory_int| cstrcspn_~sc1~0.base) cstrcspn_~sc1~0.offset))), 3335#(or (and (= 0 (select (select |#memory_int| cstrcspn_~sc1~0.base) cstrcspn_~sc1~0.offset)) (= |cstrcspn_#t~mem3| (select (select |#memory_int| cstrcspn_~sc1~0.base) cstrcspn_~sc1~0.offset))) (and (<= (+ cstrcspn_~sc1~0.offset 2) (select |#length| cstrcspn_~sc1~0.base)) (<= 0 cstrcspn_~sc1~0.offset))), 3336#(and (<= (+ cstrcspn_~sc1~0.offset 2) (select |#length| cstrcspn_~sc1~0.base)) (<= 0 cstrcspn_~sc1~0.offset)), 3337#(and (<= (+ cstrcspn_~sc1~0.offset 1) (select |#length| cstrcspn_~sc1~0.base)) (<= 1 cstrcspn_~sc1~0.offset)), 3325#true, 3326#false, 3327#(and (= main_~length1~0 (select |#length| |main_#t~malloc12.base|)) (= (select |#valid| |main_#t~malloc12.base|) 1) (= 0 |main_#t~malloc12.offset|))] [2018-04-12 19:59:03,667 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 32 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-04-12 19:59:03,667 INFO L442 AbstractCegarLoop]: Interpolant automaton has 13 states [2018-04-12 19:59:03,667 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2018-04-12 19:59:03,667 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2018-04-12 19:59:03,667 INFO L87 Difference]: Start difference. First operand 121 states and 130 transitions. Second operand 13 states. [2018-04-12 19:59:03,839 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 19:59:03,839 INFO L93 Difference]: Finished difference Result 119 states and 126 transitions. [2018-04-12 19:59:03,839 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-04-12 19:59:03,839 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 57 [2018-04-12 19:59:03,840 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 19:59:03,840 INFO L225 Difference]: With dead ends: 119 [2018-04-12 19:59:03,840 INFO L226 Difference]: Without dead ends: 0 [2018-04-12 19:59:03,840 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 42 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=106, Invalid=400, Unknown=0, NotChecked=0, Total=506 [2018-04-12 19:59:03,840 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-04-12 19:59:03,840 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-04-12 19:59:03,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-04-12 19:59:03,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-04-12 19:59:03,841 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 57 [2018-04-12 19:59:03,841 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 19:59:03,841 INFO L459 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-04-12 19:59:03,841 INFO L460 AbstractCegarLoop]: Interpolant automaton has 13 states. [2018-04-12 19:59:03,841 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-04-12 19:59:03,841 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-04-12 19:59:03,844 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.04 07:59:03 BoogieIcfgContainer [2018-04-12 19:59:03,844 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-04-12 19:59:03,845 INFO L168 Benchmark]: Toolchain (without parser) took 5587.31 ms. Allocated memory was 395.3 MB in the beginning and 733.5 MB in the end (delta: 338.2 MB). Free memory was 331.2 MB in the beginning and 497.4 MB in the end (delta: -166.2 MB). Peak memory consumption was 172.0 MB. Max. memory is 5.3 GB. [2018-04-12 19:59:03,845 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 395.3 MB. Free memory is still 357.0 MB. There was no memory consumed. Max. memory is 5.3 GB. [2018-04-12 19:59:03,846 INFO L168 Benchmark]: CACSL2BoogieTranslator took 245.25 ms. Allocated memory is still 395.3 MB. Free memory was 331.2 MB in the beginning and 307.5 MB in the end (delta: 23.8 MB). Peak memory consumption was 23.8 MB. Max. memory is 5.3 GB. [2018-04-12 19:59:03,846 INFO L168 Benchmark]: Boogie Preprocessor took 37.85 ms. Allocated memory is still 395.3 MB. Free memory was 307.5 MB in the beginning and 304.8 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 5.3 GB. [2018-04-12 19:59:03,846 INFO L168 Benchmark]: RCFGBuilder took 351.56 ms. Allocated memory was 395.3 MB in the beginning and 599.3 MB in the end (delta: 203.9 MB). Free memory was 304.8 MB in the beginning and 531.6 MB in the end (delta: -226.8 MB). Peak memory consumption was 24.6 MB. Max. memory is 5.3 GB. [2018-04-12 19:59:03,847 INFO L168 Benchmark]: TraceAbstraction took 4950.16 ms. Allocated memory was 599.3 MB in the beginning and 733.5 MB in the end (delta: 134.2 MB). Free memory was 531.6 MB in the beginning and 497.4 MB in the end (delta: 34.2 MB). Peak memory consumption was 168.4 MB. Max. memory is 5.3 GB. [2018-04-12 19:59:03,849 INFO L344 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12 ms. Allocated memory is still 395.3 MB. Free memory is still 357.0 MB. There was no memory consumed. Max. memory is 5.3 GB. * CACSL2BoogieTranslator took 245.25 ms. Allocated memory is still 395.3 MB. Free memory was 331.2 MB in the beginning and 307.5 MB in the end (delta: 23.8 MB). Peak memory consumption was 23.8 MB. Max. memory is 5.3 GB. * Boogie Preprocessor took 37.85 ms. Allocated memory is still 395.3 MB. Free memory was 307.5 MB in the beginning and 304.8 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 5.3 GB. * RCFGBuilder took 351.56 ms. Allocated memory was 395.3 MB in the beginning and 599.3 MB in the end (delta: 203.9 MB). Free memory was 304.8 MB in the beginning and 531.6 MB in the end (delta: -226.8 MB). Peak memory consumption was 24.6 MB. Max. memory is 5.3 GB. * TraceAbstraction took 4950.16 ms. Allocated memory was 599.3 MB in the beginning and 733.5 MB in the end (delta: 134.2 MB). Free memory was 531.6 MB in the beginning and 497.4 MB in the end (delta: 34.2 MB). Peak memory consumption was 168.4 MB. Max. memory is 5.3 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 545]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 550]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 548]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 548]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 548]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 548]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 545]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 547]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 547]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 550]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 567]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 566]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 567]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 555]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - PositiveResult [Line: 566]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - AllSpecificationsHoldResult: All specifications hold 15 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 6 procedures, 64 locations, 15 error locations. SAFE Result, 4.9s OverallTime, 18 OverallIterations, 4 TraceHistogramMax, 2.5s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 706 SDtfs, 1310 SDslu, 2192 SDs, 0 SdLazy, 2201 SolverSat, 131 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 242 GetRequests, 37 SyntacticMatches, 2 SemanticMatches, 203 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 391 ImplicationChecksByTransitivity, 2.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=193occurred in iteration=16, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 26/110 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 18 MinimizatonAttempts, 337 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.8s InterpolantComputationTime, 495 NumberOfCodeBlocks, 495 NumberOfCodeBlocksAsserted, 18 NumberOfCheckSat, 477 ConstructedInterpolants, 0 QuantifiedInterpolants, 139927 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 18 InterpolantComputations, 12 PerfectInterpolantSequences, 26/110 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Written .csv to /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/cstrcspn-alloca_true-valid-memsafety_true-termination.i_svcomp-DerefFreeMemtrack-32bit-Automizer_SmtInterpol_Array.epf_AutomizerC.xml/Csv-Benchmark-0-2018-04-12_19-59-03-856.csv Written .csv to /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/cstrcspn-alloca_true-valid-memsafety_true-termination.i_svcomp-DerefFreeMemtrack-32bit-Automizer_SmtInterpol_Array.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-0-2018-04-12_19-59-03-856.csv Received shutdown request...