java -Xmx6000000000 -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data ./data --generate-csv --csv-dir ../../../releaseScripts/default/UAutomizer-linux/csv --cacsl2boogietranslator.bitprecise.bitfields false -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/cade18-smtinterpol/svcomp-DerefFreeMemtrack-32bit-Automizer_Camel.epf -i ../../../trunk/examples/svcomp/array-memsafety/cstrcspn-alloca_true-valid-memsafety_true-termination.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-408c70d-m [2018-04-12 10:17:14,452 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-04-12 10:17:14,453 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-04-12 10:17:14,466 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-04-12 10:17:14,466 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-04-12 10:17:14,467 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-04-12 10:17:14,467 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-04-12 10:17:14,469 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-04-12 10:17:14,470 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-04-12 10:17:14,471 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-04-12 10:17:14,472 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-04-12 10:17:14,472 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-04-12 10:17:14,473 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-04-12 10:17:14,474 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-04-12 10:17:14,474 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-04-12 10:17:14,476 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-04-12 10:17:14,477 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-04-12 10:17:14,479 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-04-12 10:17:14,480 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-04-12 10:17:14,481 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-04-12 10:17:14,482 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2018-04-12 10:17:14,487 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-04-12 10:17:14,487 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-04-12 10:17:14,487 INFO L98 SettingsManager]: Beginning loading settings from /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/cade18-smtinterpol/svcomp-DerefFreeMemtrack-32bit-Automizer_Camel.epf [2018-04-12 10:17:14,496 INFO L110 SettingsManager]: Loading preferences was successful [2018-04-12 10:17:14,497 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-04-12 10:17:14,497 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-04-12 10:17:14,498 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-04-12 10:17:14,498 INFO L133 SettingsManager]: * Use SBE=true [2018-04-12 10:17:14,498 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-04-12 10:17:14,498 INFO L133 SettingsManager]: * sizeof long=4 [2018-04-12 10:17:14,498 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-04-12 10:17:14,498 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-04-12 10:17:14,499 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-04-12 10:17:14,499 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-04-12 10:17:14,499 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-04-12 10:17:14,499 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2018-04-12 10:17:14,499 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-04-12 10:17:14,499 INFO L133 SettingsManager]: * sizeof long double=12 [2018-04-12 10:17:14,500 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-04-12 10:17:14,500 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-04-12 10:17:14,500 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-04-12 10:17:14,500 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-04-12 10:17:14,500 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-04-12 10:17:14,500 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-04-12 10:17:14,500 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-04-12 10:17:14,501 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-04-12 10:17:14,501 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Bitprecise bitfields -> false [2018-04-12 10:17:14,530 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-04-12 10:17:14,539 INFO L266 ainManager$Toolchain]: [Toolchain 1]: Parser(s) successfully (re)initialized [2018-04-12 10:17:14,543 INFO L222 ainManager$Toolchain]: [Toolchain 1]: Toolchain data selected. [2018-04-12 10:17:14,544 INFO L271 PluginConnector]: Initializing CDTParser... [2018-04-12 10:17:14,544 INFO L276 PluginConnector]: CDTParser initialized [2018-04-12 10:17:14,545 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 10:17:14,908 INFO L225 CDTParser]: Created temporary CDT project at /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/data/FLAG86748fa0a [2018-04-12 10:17:15,032 INFO L287 CDTParser]: IsIndexed: true [2018-04-12 10:17:15,032 INFO L288 CDTParser]: Found 1 translation units. [2018-04-12 10:17:15,033 INFO L168 CDTParser]: Scanning cstrcspn-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:17:15,040 INFO L210 ultiparseSymbolTable]: Include resolver: [2018-04-12 10:17:15,041 INFO L215 ultiparseSymbolTable]: [2018-04-12 10:17:15,041 INFO L218 ultiparseSymbolTable]: Function table: [2018-04-12 10:17:15,041 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 10:17:15,041 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 10:17:15,041 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 10:17:15,041 INFO L221 ultiparseSymbolTable]: Function definition of null ('main') in cstrcspn-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:17:15,041 INFO L227 ultiparseSymbolTable]: Global variable table: [2018-04-12 10:17:15,041 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 10:17:15,042 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 10:17:15,042 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 10:17:15,042 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 10:17:15,042 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 10:17:15,042 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 10:17:15,042 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 10:17:15,042 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 10:17:15,042 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 10:17:15,042 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 10:17:15,042 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 10:17:15,042 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 10:17:15,042 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 10:17:15,042 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 10:17:15,042 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 10:17:15,042 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 10:17:15,043 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 10:17:15,043 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 10:17:15,043 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 10:17:15,043 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 10:17:15,043 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 10:17:15,043 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 10:17:15,043 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 10:17:15,043 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 10:17:15,043 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 10:17:15,043 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 10:17:15,043 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 10:17:15,043 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 10:17:15,043 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 10:17:15,043 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 10:17:15,043 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 10:17:15,043 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 10:17:15,043 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 10:17:15,043 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 10:17:15,043 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 10:17:15,044 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 10:17:15,044 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 10:17:15,044 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 10:17:15,044 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 10:17:15,044 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 10:17:15,044 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 10:17:15,044 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 10:17:15,044 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 10:17:15,044 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 10:17:15,044 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 10:17:15,044 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 10:17:15,044 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 10:17:15,044 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 10:17:15,044 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 10:17:15,044 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 10:17:15,044 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 10:17:15,045 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 10:17:15,045 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 10:17:15,045 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 10:17:15,045 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 10:17:15,045 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 10:17:15,045 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 10:17:15,045 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 10:17:15,045 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 10:17:15,045 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 10:17:15,045 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 10:17:15,045 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 10:17:15,045 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 10:17:15,045 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 10:17:15,045 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 10:17:15,045 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 10:17:15,045 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 10:17:15,045 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 10:17:15,045 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 10:17:15,046 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 10:17:15,046 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 10:17:15,046 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 10:17:15,046 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 10:17:15,046 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 10:17:15,046 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 10:17:15,046 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 10:17:15,046 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 10:17:15,046 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 10:17:15,046 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 10:17:15,046 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 10:17:15,046 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 10:17:15,046 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 10:17:15,046 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 10:17:15,047 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 10:17:15,047 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 10:17:15,047 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 10:17:15,047 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 10:17:15,047 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 10:17:15,047 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 10:17:15,047 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 10:17:15,047 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 10:17:15,047 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 10:17:15,047 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 10:17:15,047 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 10:17:15,048 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 10:17:15,048 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 10:17:15,048 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 10:17:15,048 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 10:17:15,048 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 10:17:15,048 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 10:17:15,048 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 10:17:15,048 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 10:17:15,048 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 10:17:15,048 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 10:17:15,048 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 10:17:15,049 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 10:17:15,049 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 10:17:15,049 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 10:17:15,049 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 10:17:15,049 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 10:17:15,049 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 10:17:15,049 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 10:17:15,049 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 10:17:15,049 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 10:17:15,049 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 10:17:15,050 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 10:17:15,050 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 10:17:15,050 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 10:17:15,050 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 10:17:15,050 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 10:17:15,063 INFO L330 CDTParser]: Deleted temporary CDT project at /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/data/FLAG86748fa0a [2018-04-12 10:17:15,066 INFO L304 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-04-12 10:17:15,067 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-04-12 10:17:15,067 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-04-12 10:17:15,068 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-04-12 10:17:15,071 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-04-12 10:17:15,072 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.04 10:17:15" (1/1) ... [2018-04-12 10:17:15,073 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7f2e1317 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.04 10:17:15, skipping insertion in model container [2018-04-12 10:17:15,074 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.04 10:17:15" (1/1) ... [2018-04-12 10:17:15,089 INFO L167 Dispatcher]: Using SV-COMP mode [2018-04-12 10:17:15,113 INFO L167 Dispatcher]: Using SV-COMP mode [2018-04-12 10:17:15,255 INFO L175 PostProcessor]: Settings: Checked method=main [2018-04-12 10:17:15,291 INFO L175 PostProcessor]: Settings: Checked method=main [2018-04-12 10:17:15,296 INFO L100 SccComputation]: Graph consists of 0 InCaSumBalls and 112 non ball SCCs. Number of states in SCCs 112. [2018-04-12 10:17:15,332 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.04 10:17:15 WrapperNode [2018-04-12 10:17:15,332 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-04-12 10:17:15,332 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-04-12 10:17:15,333 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-04-12 10:17:15,333 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-04-12 10:17:15,340 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.04 10:17:15" (1/1) ... [2018-04-12 10:17:15,340 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.04 10:17:15" (1/1) ... [2018-04-12 10:17:15,350 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.04 10:17:15" (1/1) ... [2018-04-12 10:17:15,351 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.04 10:17:15" (1/1) ... [2018-04-12 10:17:15,358 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.04 10:17:15" (1/1) ... [2018-04-12 10:17:15,362 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.04 10:17:15" (1/1) ... [2018-04-12 10:17:15,364 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.04 10:17:15" (1/1) ... [2018-04-12 10:17:15,368 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-04-12 10:17:15,368 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-04-12 10:17:15,368 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-04-12 10:17:15,369 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-04-12 10:17:15,369 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.04 10:17:15" (1/1) ... No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-04-12 10:17:15,456 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-04-12 10:17:15,456 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-04-12 10:17:15,456 INFO L136 BoogieDeclarations]: Found implementation of procedure __U_MULTI_fcstrcspn_alloca_true_valid_memsafety_true_termination_i____bswap_32 [2018-04-12 10:17:15,456 INFO L136 BoogieDeclarations]: Found implementation of procedure __U_MULTI_fcstrcspn_alloca_true_valid_memsafety_true_termination_i____bswap_64 [2018-04-12 10:17:15,456 INFO L136 BoogieDeclarations]: Found implementation of procedure cstrcspn [2018-04-12 10:17:15,456 INFO L136 BoogieDeclarations]: Found implementation of procedure main [2018-04-12 10:17:15,456 INFO L128 BoogieDeclarations]: Found specification of procedure __U_MULTI_fcstrcspn_alloca_true_valid_memsafety_true_termination_i____bswap_32 [2018-04-12 10:17:15,456 INFO L128 BoogieDeclarations]: Found specification of procedure __U_MULTI_fcstrcspn_alloca_true_valid_memsafety_true_termination_i____bswap_64 [2018-04-12 10:17:15,456 INFO L128 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2018-04-12 10:17:15,456 INFO L128 BoogieDeclarations]: Found specification of procedure atof [2018-04-12 10:17:15,456 INFO L128 BoogieDeclarations]: Found specification of procedure atoi [2018-04-12 10:17:15,456 INFO L128 BoogieDeclarations]: Found specification of procedure atol [2018-04-12 10:17:15,457 INFO L128 BoogieDeclarations]: Found specification of procedure atoll [2018-04-12 10:17:15,457 INFO L128 BoogieDeclarations]: Found specification of procedure strtod [2018-04-12 10:17:15,457 INFO L128 BoogieDeclarations]: Found specification of procedure strtof [2018-04-12 10:17:15,457 INFO L128 BoogieDeclarations]: Found specification of procedure strtold [2018-04-12 10:17:15,457 INFO L128 BoogieDeclarations]: Found specification of procedure strtol [2018-04-12 10:17:15,457 INFO L128 BoogieDeclarations]: Found specification of procedure strtoul [2018-04-12 10:17:15,457 INFO L128 BoogieDeclarations]: Found specification of procedure strtoq [2018-04-12 10:17:15,457 INFO L128 BoogieDeclarations]: Found specification of procedure strtouq [2018-04-12 10:17:15,457 INFO L128 BoogieDeclarations]: Found specification of procedure strtoll [2018-04-12 10:17:15,458 INFO L128 BoogieDeclarations]: Found specification of procedure strtoull [2018-04-12 10:17:15,458 INFO L128 BoogieDeclarations]: Found specification of procedure l64a [2018-04-12 10:17:15,458 INFO L128 BoogieDeclarations]: Found specification of procedure a64l [2018-04-12 10:17:15,458 INFO L128 BoogieDeclarations]: Found specification of procedure select [2018-04-12 10:17:15,458 INFO L128 BoogieDeclarations]: Found specification of procedure pselect [2018-04-12 10:17:15,458 INFO L128 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2018-04-12 10:17:15,458 INFO L128 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2018-04-12 10:17:15,458 INFO L128 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2018-04-12 10:17:15,458 INFO L128 BoogieDeclarations]: Found specification of procedure random [2018-04-12 10:17:15,459 INFO L128 BoogieDeclarations]: Found specification of procedure srandom [2018-04-12 10:17:15,459 INFO L128 BoogieDeclarations]: Found specification of procedure initstate [2018-04-12 10:17:15,459 INFO L128 BoogieDeclarations]: Found specification of procedure setstate [2018-04-12 10:17:15,459 INFO L128 BoogieDeclarations]: Found specification of procedure random_r [2018-04-12 10:17:15,459 INFO L128 BoogieDeclarations]: Found specification of procedure srandom_r [2018-04-12 10:17:15,459 INFO L128 BoogieDeclarations]: Found specification of procedure initstate_r [2018-04-12 10:17:15,459 INFO L128 BoogieDeclarations]: Found specification of procedure setstate_r [2018-04-12 10:17:15,459 INFO L128 BoogieDeclarations]: Found specification of procedure rand [2018-04-12 10:17:15,459 INFO L128 BoogieDeclarations]: Found specification of procedure srand [2018-04-12 10:17:15,460 INFO L128 BoogieDeclarations]: Found specification of procedure rand_r [2018-04-12 10:17:15,460 INFO L128 BoogieDeclarations]: Found specification of procedure drand48 [2018-04-12 10:17:15,460 INFO L128 BoogieDeclarations]: Found specification of procedure erand48 [2018-04-12 10:17:15,460 INFO L128 BoogieDeclarations]: Found specification of procedure lrand48 [2018-04-12 10:17:15,460 INFO L128 BoogieDeclarations]: Found specification of procedure nrand48 [2018-04-12 10:17:15,460 INFO L128 BoogieDeclarations]: Found specification of procedure mrand48 [2018-04-12 10:17:15,460 INFO L128 BoogieDeclarations]: Found specification of procedure jrand48 [2018-04-12 10:17:15,460 INFO L128 BoogieDeclarations]: Found specification of procedure srand48 [2018-04-12 10:17:15,460 INFO L128 BoogieDeclarations]: Found specification of procedure seed48 [2018-04-12 10:17:15,460 INFO L128 BoogieDeclarations]: Found specification of procedure lcong48 [2018-04-12 10:17:15,460 INFO L128 BoogieDeclarations]: Found specification of procedure drand48_r [2018-04-12 10:17:15,461 INFO L128 BoogieDeclarations]: Found specification of procedure erand48_r [2018-04-12 10:17:15,461 INFO L128 BoogieDeclarations]: Found specification of procedure lrand48_r [2018-04-12 10:17:15,461 INFO L128 BoogieDeclarations]: Found specification of procedure nrand48_r [2018-04-12 10:17:15,461 INFO L128 BoogieDeclarations]: Found specification of procedure mrand48_r [2018-04-12 10:17:15,461 INFO L128 BoogieDeclarations]: Found specification of procedure jrand48_r [2018-04-12 10:17:15,461 INFO L128 BoogieDeclarations]: Found specification of procedure srand48_r [2018-04-12 10:17:15,461 INFO L128 BoogieDeclarations]: Found specification of procedure seed48_r [2018-04-12 10:17:15,461 INFO L128 BoogieDeclarations]: Found specification of procedure lcong48_r [2018-04-12 10:17:15,461 INFO L128 BoogieDeclarations]: Found specification of procedure malloc [2018-04-12 10:17:15,462 INFO L128 BoogieDeclarations]: Found specification of procedure calloc [2018-04-12 10:17:15,462 INFO L128 BoogieDeclarations]: Found specification of procedure realloc [2018-04-12 10:17:15,462 INFO L128 BoogieDeclarations]: Found specification of procedure free [2018-04-12 10:17:15,462 INFO L128 BoogieDeclarations]: Found specification of procedure cfree [2018-04-12 10:17:15,462 INFO L128 BoogieDeclarations]: Found specification of procedure alloca [2018-04-12 10:17:15,462 INFO L128 BoogieDeclarations]: Found specification of procedure valloc [2018-04-12 10:17:15,462 INFO L128 BoogieDeclarations]: Found specification of procedure posix_memalign [2018-04-12 10:17:15,462 INFO L128 BoogieDeclarations]: Found specification of procedure abort [2018-04-12 10:17:15,462 INFO L128 BoogieDeclarations]: Found specification of procedure atexit [2018-04-12 10:17:15,462 INFO L128 BoogieDeclarations]: Found specification of procedure on_exit [2018-04-12 10:17:15,463 INFO L128 BoogieDeclarations]: Found specification of procedure exit [2018-04-12 10:17:15,463 INFO L128 BoogieDeclarations]: Found specification of procedure _Exit [2018-04-12 10:17:15,463 INFO L128 BoogieDeclarations]: Found specification of procedure getenv [2018-04-12 10:17:15,463 INFO L128 BoogieDeclarations]: Found specification of procedure putenv [2018-04-12 10:17:15,463 INFO L128 BoogieDeclarations]: Found specification of procedure setenv [2018-04-12 10:17:15,463 INFO L128 BoogieDeclarations]: Found specification of procedure unsetenv [2018-04-12 10:17:15,463 INFO L128 BoogieDeclarations]: Found specification of procedure clearenv [2018-04-12 10:17:15,463 INFO L128 BoogieDeclarations]: Found specification of procedure mktemp [2018-04-12 10:17:15,463 INFO L128 BoogieDeclarations]: Found specification of procedure mkstemp [2018-04-12 10:17:15,463 INFO L128 BoogieDeclarations]: Found specification of procedure mkstemps [2018-04-12 10:17:15,463 INFO L128 BoogieDeclarations]: Found specification of procedure mkdtemp [2018-04-12 10:17:15,464 INFO L128 BoogieDeclarations]: Found specification of procedure system [2018-04-12 10:17:15,464 INFO L128 BoogieDeclarations]: Found specification of procedure realpath [2018-04-12 10:17:15,464 INFO L128 BoogieDeclarations]: Found specification of procedure bsearch [2018-04-12 10:17:15,464 INFO L128 BoogieDeclarations]: Found specification of procedure qsort [2018-04-12 10:17:15,464 INFO L128 BoogieDeclarations]: Found specification of procedure abs [2018-04-12 10:17:15,464 INFO L128 BoogieDeclarations]: Found specification of procedure labs [2018-04-12 10:17:15,464 INFO L128 BoogieDeclarations]: Found specification of procedure llabs [2018-04-12 10:17:15,464 INFO L128 BoogieDeclarations]: Found specification of procedure div [2018-04-12 10:17:15,464 INFO L128 BoogieDeclarations]: Found specification of procedure ldiv [2018-04-12 10:17:15,464 INFO L128 BoogieDeclarations]: Found specification of procedure lldiv [2018-04-12 10:17:15,465 INFO L128 BoogieDeclarations]: Found specification of procedure ecvt [2018-04-12 10:17:15,465 INFO L128 BoogieDeclarations]: Found specification of procedure fcvt [2018-04-12 10:17:15,465 INFO L128 BoogieDeclarations]: Found specification of procedure gcvt [2018-04-12 10:17:15,465 INFO L128 BoogieDeclarations]: Found specification of procedure qecvt [2018-04-12 10:17:15,465 INFO L128 BoogieDeclarations]: Found specification of procedure qfcvt [2018-04-12 10:17:15,465 INFO L128 BoogieDeclarations]: Found specification of procedure qgcvt [2018-04-12 10:17:15,465 INFO L128 BoogieDeclarations]: Found specification of procedure ecvt_r [2018-04-12 10:17:15,465 INFO L128 BoogieDeclarations]: Found specification of procedure fcvt_r [2018-04-12 10:17:15,465 INFO L128 BoogieDeclarations]: Found specification of procedure qecvt_r [2018-04-12 10:17:15,465 INFO L128 BoogieDeclarations]: Found specification of procedure qfcvt_r [2018-04-12 10:17:15,465 INFO L128 BoogieDeclarations]: Found specification of procedure mblen [2018-04-12 10:17:15,465 INFO L128 BoogieDeclarations]: Found specification of procedure mbtowc [2018-04-12 10:17:15,466 INFO L128 BoogieDeclarations]: Found specification of procedure wctomb [2018-04-12 10:17:15,466 INFO L128 BoogieDeclarations]: Found specification of procedure mbstowcs [2018-04-12 10:17:15,466 INFO L128 BoogieDeclarations]: Found specification of procedure wcstombs [2018-04-12 10:17:15,466 INFO L128 BoogieDeclarations]: Found specification of procedure rpmatch [2018-04-12 10:17:15,466 INFO L128 BoogieDeclarations]: Found specification of procedure getsubopt [2018-04-12 10:17:15,466 INFO L128 BoogieDeclarations]: Found specification of procedure getloadavg [2018-04-12 10:17:15,466 INFO L128 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-04-12 10:17:15,466 INFO L128 BoogieDeclarations]: Found specification of procedure cstrcspn [2018-04-12 10:17:15,466 INFO L128 BoogieDeclarations]: Found specification of procedure read~int [2018-04-12 10:17:15,466 INFO L128 BoogieDeclarations]: Found specification of procedure main [2018-04-12 10:17:15,467 INFO L128 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-04-12 10:17:15,467 INFO L128 BoogieDeclarations]: Found specification of procedure write~int [2018-04-12 10:17:15,467 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-04-12 10:17:15,467 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-04-12 10:17:15,467 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-04-12 10:17:15,467 INFO L128 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2018-04-12 10:17:15,750 INFO L259 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-04-12 10:17:15,751 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.04 10:17:15 BoogieIcfgContainer [2018-04-12 10:17:15,751 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-04-12 10:17:15,751 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-04-12 10:17:15,751 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-04-12 10:17:15,753 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-04-12 10:17:15,753 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.04 10:17:15" (1/3) ... [2018-04-12 10:17:15,754 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6576b856 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.04 10:17:15, skipping insertion in model container [2018-04-12 10:17:15,754 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.04 10:17:15" (2/3) ... [2018-04-12 10:17:15,754 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6576b856 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.04 10:17:15, skipping insertion in model container [2018-04-12 10:17:15,754 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.04 10:17:15" (3/3) ... [2018-04-12 10:17:15,755 INFO L107 eAbstractionObserver]: Analyzing ICFG cstrcspn-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:17:15,761 INFO L131 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-04-12 10:17:15,765 INFO L143 ceAbstractionStarter]: Appying trace abstraction to program that has 15 error locations. [2018-04-12 10:17:15,789 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2018-04-12 10:17:15,790 INFO L369 AbstractCegarLoop]: Interprodecural is true [2018-04-12 10:17:15,790 INFO L370 AbstractCegarLoop]: Hoare is false [2018-04-12 10:17:15,790 INFO L371 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-04-12 10:17:15,790 INFO L372 AbstractCegarLoop]: Backedges is TWOTRACK [2018-04-12 10:17:15,790 INFO L373 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-04-12 10:17:15,790 INFO L374 AbstractCegarLoop]: Difference is false [2018-04-12 10:17:15,790 INFO L375 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-04-12 10:17:15,790 INFO L380 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-04-12 10:17:15,791 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-04-12 10:17:15,800 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states. [2018-04-12 10:17:15,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-04-12 10:17:15,806 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 10:17:15,807 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 10:17:15,807 INFO L408 AbstractCegarLoop]: === Iteration 1 === [cstrcspnErr0RequiresViolation, cstrcspnErr9RequiresViolation, cstrcspnErr7RequiresViolation, cstrcspnErr4RequiresViolation, cstrcspnErr6RequiresViolation, cstrcspnErr5RequiresViolation, cstrcspnErr1RequiresViolation, cstrcspnErr3RequiresViolation, cstrcspnErr2RequiresViolation, cstrcspnErr8RequiresViolation, mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-12 10:17:15,809 INFO L82 PathProgramCache]: Analyzing trace with hash 2018700559, now seen corresponding path program 1 times [2018-04-12 10:17:15,810 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-12 10:17:15,811 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-12 10:17:15,839 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 10:17:15,839 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-12 10:17:15,839 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 10:17:15,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 10:17:15,879 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 10:17:15,950 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 10:17:15,952 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-12 10:17:15,952 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-04-12 10:17:15,953 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-04-12 10:17:15,961 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-04-12 10:17:15,962 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-04-12 10:17:15,964 INFO L87 Difference]: Start difference. First operand 58 states. Second operand 4 states. [2018-04-12 10:17:16,056 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 10:17:16,057 INFO L93 Difference]: Finished difference Result 57 states and 62 transitions. [2018-04-12 10:17:16,057 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-04-12 10:17:16,058 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 13 [2018-04-12 10:17:16,059 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 10:17:16,067 INFO L225 Difference]: With dead ends: 57 [2018-04-12 10:17:16,067 INFO L226 Difference]: Without dead ends: 54 [2018-04-12 10:17:16,068 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-04-12 10:17:16,083 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54 states. [2018-04-12 10:17:16,096 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54 to 54. [2018-04-12 10:17:16,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 54 states. [2018-04-12 10:17:16,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 59 transitions. [2018-04-12 10:17:16,099 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 59 transitions. Word has length 13 [2018-04-12 10:17:16,100 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 10:17:16,100 INFO L459 AbstractCegarLoop]: Abstraction has 54 states and 59 transitions. [2018-04-12 10:17:16,100 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-04-12 10:17:16,100 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 59 transitions. [2018-04-12 10:17:16,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-04-12 10:17:16,100 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 10:17:16,101 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 10:17:16,101 INFO L408 AbstractCegarLoop]: === Iteration 2 === [cstrcspnErr0RequiresViolation, cstrcspnErr9RequiresViolation, cstrcspnErr7RequiresViolation, cstrcspnErr4RequiresViolation, cstrcspnErr6RequiresViolation, cstrcspnErr5RequiresViolation, cstrcspnErr1RequiresViolation, cstrcspnErr3RequiresViolation, cstrcspnErr2RequiresViolation, cstrcspnErr8RequiresViolation, mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-12 10:17:16,101 INFO L82 PathProgramCache]: Analyzing trace with hash 2018700560, now seen corresponding path program 1 times [2018-04-12 10:17:16,101 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-12 10:17:16,101 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-12 10:17:16,102 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 10:17:16,102 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-12 10:17:16,102 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 10:17:16,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 10:17:16,116 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 10:17:16,170 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 10:17:16,171 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-12 10:17:16,171 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-04-12 10:17:16,172 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-04-12 10:17:16,172 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-04-12 10:17:16,172 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2018-04-12 10:17:16,172 INFO L87 Difference]: Start difference. First operand 54 states and 59 transitions. Second operand 6 states. [2018-04-12 10:17:16,233 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 10:17:16,234 INFO L93 Difference]: Finished difference Result 53 states and 58 transitions. [2018-04-12 10:17:16,234 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-04-12 10:17:16,234 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 13 [2018-04-12 10:17:16,234 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 10:17:16,235 INFO L225 Difference]: With dead ends: 53 [2018-04-12 10:17:16,235 INFO L226 Difference]: Without dead ends: 53 [2018-04-12 10:17:16,236 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 10:17:16,236 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2018-04-12 10:17:16,239 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 53. [2018-04-12 10:17:16,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 53 states. [2018-04-12 10:17:16,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 58 transitions. [2018-04-12 10:17:16,241 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 58 transitions. Word has length 13 [2018-04-12 10:17:16,241 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 10:17:16,241 INFO L459 AbstractCegarLoop]: Abstraction has 53 states and 58 transitions. [2018-04-12 10:17:16,241 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-04-12 10:17:16,241 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 58 transitions. [2018-04-12 10:17:16,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-04-12 10:17:16,241 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 10:17:16,242 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 10:17:16,242 INFO L408 AbstractCegarLoop]: === Iteration 3 === [cstrcspnErr0RequiresViolation, cstrcspnErr9RequiresViolation, cstrcspnErr7RequiresViolation, cstrcspnErr4RequiresViolation, cstrcspnErr6RequiresViolation, cstrcspnErr5RequiresViolation, cstrcspnErr1RequiresViolation, cstrcspnErr3RequiresViolation, cstrcspnErr2RequiresViolation, cstrcspnErr8RequiresViolation, mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-12 10:17:16,242 INFO L82 PathProgramCache]: Analyzing trace with hash -1844792117, now seen corresponding path program 1 times [2018-04-12 10:17:16,242 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-12 10:17:16,242 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-12 10:17:16,243 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 10:17:16,243 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-12 10:17:16,243 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 10:17:16,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 10:17:16,254 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 10:17:16,272 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 10:17:16,273 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-12 10:17:16,273 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-04-12 10:17:16,273 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-04-12 10:17:16,273 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-04-12 10:17:16,273 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-04-12 10:17:16,274 INFO L87 Difference]: Start difference. First operand 53 states and 58 transitions. Second operand 4 states. [2018-04-12 10:17:16,341 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 10:17:16,341 INFO L93 Difference]: Finished difference Result 52 states and 57 transitions. [2018-04-12 10:17:16,342 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-04-12 10:17:16,342 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 14 [2018-04-12 10:17:16,342 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 10:17:16,343 INFO L225 Difference]: With dead ends: 52 [2018-04-12 10:17:16,343 INFO L226 Difference]: Without dead ends: 52 [2018-04-12 10:17:16,343 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-04-12 10:17:16,344 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52 states. [2018-04-12 10:17:16,345 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 52. [2018-04-12 10:17:16,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 52 states. [2018-04-12 10:17:16,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 57 transitions. [2018-04-12 10:17:16,346 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 57 transitions. Word has length 14 [2018-04-12 10:17:16,346 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 10:17:16,346 INFO L459 AbstractCegarLoop]: Abstraction has 52 states and 57 transitions. [2018-04-12 10:17:16,346 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-04-12 10:17:16,346 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 57 transitions. [2018-04-12 10:17:16,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-04-12 10:17:16,348 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 10:17:16,348 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 10:17:16,348 INFO L408 AbstractCegarLoop]: === Iteration 4 === [cstrcspnErr0RequiresViolation, cstrcspnErr9RequiresViolation, cstrcspnErr7RequiresViolation, cstrcspnErr4RequiresViolation, cstrcspnErr6RequiresViolation, cstrcspnErr5RequiresViolation, cstrcspnErr1RequiresViolation, cstrcspnErr3RequiresViolation, cstrcspnErr2RequiresViolation, cstrcspnErr8RequiresViolation, mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-12 10:17:16,348 INFO L82 PathProgramCache]: Analyzing trace with hash -1844792116, now seen corresponding path program 1 times [2018-04-12 10:17:16,348 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-12 10:17:16,348 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-12 10:17:16,349 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 10:17:16,349 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-12 10:17:16,349 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 10:17:16,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 10:17:16,360 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 10:17:16,392 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 10:17:16,392 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-12 10:17:16,392 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-04-12 10:17:16,393 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-04-12 10:17:16,393 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-04-12 10:17:16,393 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-04-12 10:17:16,393 INFO L87 Difference]: Start difference. First operand 52 states and 57 transitions. Second operand 5 states. [2018-04-12 10:17:16,417 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 10:17:16,417 INFO L93 Difference]: Finished difference Result 51 states and 56 transitions. [2018-04-12 10:17:16,418 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-04-12 10:17:16,418 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 14 [2018-04-12 10:17:16,418 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 10:17:16,419 INFO L225 Difference]: With dead ends: 51 [2018-04-12 10:17:16,419 INFO L226 Difference]: Without dead ends: 51 [2018-04-12 10:17:16,419 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2018-04-12 10:17:16,419 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states. [2018-04-12 10:17:16,422 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 51. [2018-04-12 10:17:16,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 51 states. [2018-04-12 10:17:16,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 56 transitions. [2018-04-12 10:17:16,423 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 56 transitions. Word has length 14 [2018-04-12 10:17:16,423 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 10:17:16,423 INFO L459 AbstractCegarLoop]: Abstraction has 51 states and 56 transitions. [2018-04-12 10:17:16,424 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-04-12 10:17:16,424 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 56 transitions. [2018-04-12 10:17:16,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-04-12 10:17:16,424 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 10:17:16,424 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 10:17:16,424 INFO L408 AbstractCegarLoop]: === Iteration 5 === [cstrcspnErr0RequiresViolation, cstrcspnErr9RequiresViolation, cstrcspnErr7RequiresViolation, cstrcspnErr4RequiresViolation, cstrcspnErr6RequiresViolation, cstrcspnErr5RequiresViolation, cstrcspnErr1RequiresViolation, cstrcspnErr3RequiresViolation, cstrcspnErr2RequiresViolation, cstrcspnErr8RequiresViolation, mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-12 10:17:16,424 INFO L82 PathProgramCache]: Analyzing trace with hash 1893487725, now seen corresponding path program 1 times [2018-04-12 10:17:16,425 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-12 10:17:16,425 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-12 10:17:16,425 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 10:17:16,426 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-12 10:17:16,426 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 10:17:16,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 10:17:16,437 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 10:17:16,463 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 10:17:16,463 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-12 10:17:16,463 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-04-12 10:17:16,463 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-04-12 10:17:16,464 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-04-12 10:17:16,464 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-04-12 10:17:16,464 INFO L87 Difference]: Start difference. First operand 51 states and 56 transitions. Second operand 5 states. [2018-04-12 10:17:16,509 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 10:17:16,509 INFO L93 Difference]: Finished difference Result 49 states and 54 transitions. [2018-04-12 10:17:16,509 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-04-12 10:17:16,509 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 18 [2018-04-12 10:17:16,510 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 10:17:16,510 INFO L225 Difference]: With dead ends: 49 [2018-04-12 10:17:16,510 INFO L226 Difference]: Without dead ends: 49 [2018-04-12 10:17:16,510 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-04-12 10:17:16,510 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2018-04-12 10:17:16,511 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 49. [2018-04-12 10:17:16,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 49 states. [2018-04-12 10:17:16,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 54 transitions. [2018-04-12 10:17:16,512 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 54 transitions. Word has length 18 [2018-04-12 10:17:16,512 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 10:17:16,512 INFO L459 AbstractCegarLoop]: Abstraction has 49 states and 54 transitions. [2018-04-12 10:17:16,512 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-04-12 10:17:16,512 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 54 transitions. [2018-04-12 10:17:16,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-04-12 10:17:16,513 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 10:17:16,513 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 10:17:16,513 INFO L408 AbstractCegarLoop]: === Iteration 6 === [cstrcspnErr0RequiresViolation, cstrcspnErr9RequiresViolation, cstrcspnErr7RequiresViolation, cstrcspnErr4RequiresViolation, cstrcspnErr6RequiresViolation, cstrcspnErr5RequiresViolation, cstrcspnErr1RequiresViolation, cstrcspnErr3RequiresViolation, cstrcspnErr2RequiresViolation, cstrcspnErr8RequiresViolation, mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-12 10:17:16,513 INFO L82 PathProgramCache]: Analyzing trace with hash 1893487726, now seen corresponding path program 1 times [2018-04-12 10:17:16,513 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-12 10:17:16,513 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-12 10:17:16,513 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 10:17:16,513 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-12 10:17:16,514 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 10:17:16,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 10:17:16,521 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 10:17:16,569 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 10:17:16,569 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-12 10:17:16,569 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-04-12 10:17:16,569 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-04-12 10:17:16,569 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-04-12 10:17:16,570 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2018-04-12 10:17:16,570 INFO L87 Difference]: Start difference. First operand 49 states and 54 transitions. Second operand 8 states. [2018-04-12 10:17:16,680 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 10:17:16,680 INFO L93 Difference]: Finished difference Result 73 states and 82 transitions. [2018-04-12 10:17:16,680 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-04-12 10:17:16,680 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 18 [2018-04-12 10:17:16,681 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 10:17:16,682 INFO L225 Difference]: With dead ends: 73 [2018-04-12 10:17:16,683 INFO L226 Difference]: Without dead ends: 73 [2018-04-12 10:17:16,683 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 10:17:16,683 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2018-04-12 10:17:16,685 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 53. [2018-04-12 10:17:16,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 53 states. [2018-04-12 10:17:16,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 59 transitions. [2018-04-12 10:17:16,685 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 59 transitions. Word has length 18 [2018-04-12 10:17:16,685 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 10:17:16,685 INFO L459 AbstractCegarLoop]: Abstraction has 53 states and 59 transitions. [2018-04-12 10:17:16,685 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-04-12 10:17:16,685 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 59 transitions. [2018-04-12 10:17:16,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-04-12 10:17:16,686 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 10:17:16,686 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 10:17:16,686 INFO L408 AbstractCegarLoop]: === Iteration 7 === [cstrcspnErr0RequiresViolation, cstrcspnErr9RequiresViolation, cstrcspnErr7RequiresViolation, cstrcspnErr4RequiresViolation, cstrcspnErr6RequiresViolation, cstrcspnErr5RequiresViolation, cstrcspnErr1RequiresViolation, cstrcspnErr3RequiresViolation, cstrcspnErr2RequiresViolation, cstrcspnErr8RequiresViolation, mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-12 10:17:16,686 INFO L82 PathProgramCache]: Analyzing trace with hash -894404631, now seen corresponding path program 1 times [2018-04-12 10:17:16,686 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-12 10:17:16,686 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-12 10:17:16,687 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 10:17:16,687 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-12 10:17:16,687 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 10:17:16,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 10:17:16,695 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 10:17:16,729 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 10:17:16,729 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-12 10:17:16,729 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-04-12 10:17:16,729 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-04-12 10:17:16,730 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-04-12 10:17:16,730 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-04-12 10:17:16,730 INFO L87 Difference]: Start difference. First operand 53 states and 59 transitions. Second operand 6 states. [2018-04-12 10:17:16,789 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 10:17:16,789 INFO L93 Difference]: Finished difference Result 53 states and 59 transitions. [2018-04-12 10:17:16,789 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-04-12 10:17:16,789 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 23 [2018-04-12 10:17:16,790 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 10:17:16,790 INFO L225 Difference]: With dead ends: 53 [2018-04-12 10:17:16,790 INFO L226 Difference]: Without dead ends: 53 [2018-04-12 10:17:16,790 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 10:17:16,790 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2018-04-12 10:17:16,792 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 50. [2018-04-12 10:17:16,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 50 states. [2018-04-12 10:17:16,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 56 transitions. [2018-04-12 10:17:16,792 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 56 transitions. Word has length 23 [2018-04-12 10:17:16,792 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 10:17:16,793 INFO L459 AbstractCegarLoop]: Abstraction has 50 states and 56 transitions. [2018-04-12 10:17:16,793 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-04-12 10:17:16,793 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 56 transitions. [2018-04-12 10:17:16,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-04-12 10:17:16,793 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 10:17:16,793 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 10:17:16,793 INFO L408 AbstractCegarLoop]: === Iteration 8 === [cstrcspnErr0RequiresViolation, cstrcspnErr9RequiresViolation, cstrcspnErr7RequiresViolation, cstrcspnErr4RequiresViolation, cstrcspnErr6RequiresViolation, cstrcspnErr5RequiresViolation, cstrcspnErr1RequiresViolation, cstrcspnErr3RequiresViolation, cstrcspnErr2RequiresViolation, cstrcspnErr8RequiresViolation, mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-12 10:17:16,793 INFO L82 PathProgramCache]: Analyzing trace with hash -894404630, now seen corresponding path program 1 times [2018-04-12 10:17:16,793 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-12 10:17:16,793 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-12 10:17:16,794 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 10:17:16,794 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-12 10:17:16,794 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 10:17:16,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 10:17:16,803 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 10:17:16,880 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 10:17:16,881 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-12 10:17:16,881 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-04-12 10:17:16,881 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-04-12 10:17:16,881 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-04-12 10:17:16,881 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2018-04-12 10:17:16,882 INFO L87 Difference]: Start difference. First operand 50 states and 56 transitions. Second operand 9 states. [2018-04-12 10:17:16,982 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 10:17:16,982 INFO L93 Difference]: Finished difference Result 67 states and 77 transitions. [2018-04-12 10:17:16,984 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-04-12 10:17:16,985 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 23 [2018-04-12 10:17:16,985 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 10:17:16,985 INFO L225 Difference]: With dead ends: 67 [2018-04-12 10:17:16,985 INFO L226 Difference]: Without dead ends: 67 [2018-04-12 10:17:16,986 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 10:17:16,986 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67 states. [2018-04-12 10:17:16,988 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67 to 58. [2018-04-12 10:17:16,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 58 states. [2018-04-12 10:17:16,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 58 states and 66 transitions. [2018-04-12 10:17:16,989 INFO L78 Accepts]: Start accepts. Automaton has 58 states and 66 transitions. Word has length 23 [2018-04-12 10:17:16,989 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 10:17:16,989 INFO L459 AbstractCegarLoop]: Abstraction has 58 states and 66 transitions. [2018-04-12 10:17:16,990 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-04-12 10:17:16,990 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 66 transitions. [2018-04-12 10:17:16,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-04-12 10:17:16,990 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 10:17:16,990 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 10:17:16,990 INFO L408 AbstractCegarLoop]: === Iteration 9 === [cstrcspnErr0RequiresViolation, cstrcspnErr9RequiresViolation, cstrcspnErr7RequiresViolation, cstrcspnErr4RequiresViolation, cstrcspnErr6RequiresViolation, cstrcspnErr5RequiresViolation, cstrcspnErr1RequiresViolation, cstrcspnErr3RequiresViolation, cstrcspnErr2RequiresViolation, cstrcspnErr8RequiresViolation, mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-12 10:17:16,991 INFO L82 PathProgramCache]: Analyzing trace with hash -1986095611, now seen corresponding path program 1 times [2018-04-12 10:17:16,991 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-12 10:17:16,991 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-12 10:17:16,992 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 10:17:16,992 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-12 10:17:16,992 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 10:17:17,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 10:17:17,006 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 10:17:17,069 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 10:17:17,069 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-12 10:17:17,069 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-04-12 10:17:17,070 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-04-12 10:17:17,070 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-04-12 10:17:17,070 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-04-12 10:17:17,070 INFO L87 Difference]: Start difference. First operand 58 states and 66 transitions. Second operand 6 states. [2018-04-12 10:17:17,160 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 10:17:17,160 INFO L93 Difference]: Finished difference Result 57 states and 65 transitions. [2018-04-12 10:17:17,160 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-04-12 10:17:17,160 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 28 [2018-04-12 10:17:17,160 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 10:17:17,161 INFO L225 Difference]: With dead ends: 57 [2018-04-12 10:17:17,161 INFO L226 Difference]: Without dead ends: 48 [2018-04-12 10:17:17,161 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2018-04-12 10:17:17,161 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48 states. [2018-04-12 10:17:17,163 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48 to 48. [2018-04-12 10:17:17,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 48 states. [2018-04-12 10:17:17,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 54 transitions. [2018-04-12 10:17:17,165 INFO L78 Accepts]: Start accepts. Automaton has 48 states and 54 transitions. Word has length 28 [2018-04-12 10:17:17,165 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 10:17:17,165 INFO L459 AbstractCegarLoop]: Abstraction has 48 states and 54 transitions. [2018-04-12 10:17:17,165 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-04-12 10:17:17,166 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 54 transitions. [2018-04-12 10:17:17,166 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-04-12 10:17:17,166 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 10:17:17,166 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 10:17:17,166 INFO L408 AbstractCegarLoop]: === Iteration 10 === [cstrcspnErr0RequiresViolation, cstrcspnErr9RequiresViolation, cstrcspnErr7RequiresViolation, cstrcspnErr4RequiresViolation, cstrcspnErr6RequiresViolation, cstrcspnErr5RequiresViolation, cstrcspnErr1RequiresViolation, cstrcspnErr3RequiresViolation, cstrcspnErr2RequiresViolation, cstrcspnErr8RequiresViolation, mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-12 10:17:17,166 INFO L82 PathProgramCache]: Analyzing trace with hash 55851358, now seen corresponding path program 1 times [2018-04-12 10:17:17,167 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-12 10:17:17,167 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-12 10:17:17,167 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 10:17:17,167 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-12 10:17:17,168 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 10:17:17,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 10:17:17,176 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 10:17:17,204 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 10:17:17,204 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-12 10:17:17,205 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-04-12 10:17:17,205 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-04-12 10:17:17,205 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-04-12 10:17:17,205 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-04-12 10:17:17,205 INFO L87 Difference]: Start difference. First operand 48 states and 54 transitions. Second operand 3 states. [2018-04-12 10:17:17,209 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 10:17:17,210 INFO L93 Difference]: Finished difference Result 50 states and 56 transitions. [2018-04-12 10:17:17,210 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-04-12 10:17:17,210 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 28 [2018-04-12 10:17:17,210 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 10:17:17,210 INFO L225 Difference]: With dead ends: 50 [2018-04-12 10:17:17,210 INFO L226 Difference]: Without dead ends: 50 [2018-04-12 10:17:17,211 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 10:17:17,211 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50 states. [2018-04-12 10:17:17,213 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 50. [2018-04-12 10:17:17,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 50 states. [2018-04-12 10:17:17,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 56 transitions. [2018-04-12 10:17:17,214 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 56 transitions. Word has length 28 [2018-04-12 10:17:17,214 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 10:17:17,214 INFO L459 AbstractCegarLoop]: Abstraction has 50 states and 56 transitions. [2018-04-12 10:17:17,214 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-04-12 10:17:17,214 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 56 transitions. [2018-04-12 10:17:17,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-04-12 10:17:17,215 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 10:17:17,215 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 10:17:17,215 INFO L408 AbstractCegarLoop]: === Iteration 11 === [cstrcspnErr0RequiresViolation, cstrcspnErr9RequiresViolation, cstrcspnErr7RequiresViolation, cstrcspnErr4RequiresViolation, cstrcspnErr6RequiresViolation, cstrcspnErr5RequiresViolation, cstrcspnErr1RequiresViolation, cstrcspnErr3RequiresViolation, cstrcspnErr2RequiresViolation, cstrcspnErr8RequiresViolation, mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-12 10:17:17,215 INFO L82 PathProgramCache]: Analyzing trace with hash 1951988481, now seen corresponding path program 1 times [2018-04-12 10:17:17,215 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-12 10:17:17,216 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-12 10:17:17,216 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 10:17:17,216 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-12 10:17:17,216 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 10:17:17,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 10:17:17,235 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 10:17:17,407 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 10:17:17,407 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-12 10:17:17,407 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2018-04-12 10:17:17,408 INFO L442 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-04-12 10:17:17,408 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-04-12 10:17:17,408 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2018-04-12 10:17:17,408 INFO L87 Difference]: Start difference. First operand 50 states and 56 transitions. Second operand 11 states. [2018-04-12 10:17:17,510 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 10:17:17,510 INFO L93 Difference]: Finished difference Result 62 states and 68 transitions. [2018-04-12 10:17:17,511 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-04-12 10:17:17,511 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 30 [2018-04-12 10:17:17,511 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 10:17:17,511 INFO L225 Difference]: With dead ends: 62 [2018-04-12 10:17:17,511 INFO L226 Difference]: Without dead ends: 50 [2018-04-12 10:17:17,512 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 10:17:17,512 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50 states. [2018-04-12 10:17:17,513 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 50. [2018-04-12 10:17:17,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 50 states. [2018-04-12 10:17:17,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 55 transitions. [2018-04-12 10:17:17,514 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 55 transitions. Word has length 30 [2018-04-12 10:17:17,514 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 10:17:17,514 INFO L459 AbstractCegarLoop]: Abstraction has 50 states and 55 transitions. [2018-04-12 10:17:17,514 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-04-12 10:17:17,514 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 55 transitions. [2018-04-12 10:17:17,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-04-12 10:17:17,515 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 10:17:17,515 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 10:17:17,515 INFO L408 AbstractCegarLoop]: === Iteration 12 === [cstrcspnErr0RequiresViolation, cstrcspnErr9RequiresViolation, cstrcspnErr7RequiresViolation, cstrcspnErr4RequiresViolation, cstrcspnErr6RequiresViolation, cstrcspnErr5RequiresViolation, cstrcspnErr1RequiresViolation, cstrcspnErr3RequiresViolation, cstrcspnErr2RequiresViolation, cstrcspnErr8RequiresViolation, mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-12 10:17:17,515 INFO L82 PathProgramCache]: Analyzing trace with hash 1817974975, now seen corresponding path program 1 times [2018-04-12 10:17:17,515 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-12 10:17:17,515 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-12 10:17:17,516 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 10:17:17,516 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-12 10:17:17,516 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 10:17:17,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 10:17:17,528 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 10:17:17,637 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 10:17:17,637 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-12 10:17:17,637 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2018-04-12 10:17:17,637 INFO L442 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-04-12 10:17:17,637 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-04-12 10:17:17,638 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2018-04-12 10:17:17,638 INFO L87 Difference]: Start difference. First operand 50 states and 55 transitions. Second operand 11 states. [2018-04-12 10:17:17,800 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 10:17:17,801 INFO L93 Difference]: Finished difference Result 77 states and 82 transitions. [2018-04-12 10:17:17,801 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-04-12 10:17:17,801 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 30 [2018-04-12 10:17:17,801 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 10:17:17,801 INFO L225 Difference]: With dead ends: 77 [2018-04-12 10:17:17,801 INFO L226 Difference]: Without dead ends: 77 [2018-04-12 10:17:17,802 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 10:17:17,802 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77 states. [2018-04-12 10:17:17,804 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77 to 75. [2018-04-12 10:17:17,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 75 states. [2018-04-12 10:17:17,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 82 transitions. [2018-04-12 10:17:17,804 INFO L78 Accepts]: Start accepts. Automaton has 75 states and 82 transitions. Word has length 30 [2018-04-12 10:17:17,804 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 10:17:17,804 INFO L459 AbstractCegarLoop]: Abstraction has 75 states and 82 transitions. [2018-04-12 10:17:17,804 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-04-12 10:17:17,805 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 82 transitions. [2018-04-12 10:17:17,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-04-12 10:17:17,805 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 10:17:17,805 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 10:17:17,805 INFO L408 AbstractCegarLoop]: === Iteration 13 === [cstrcspnErr0RequiresViolation, cstrcspnErr9RequiresViolation, cstrcspnErr7RequiresViolation, cstrcspnErr4RequiresViolation, cstrcspnErr6RequiresViolation, cstrcspnErr5RequiresViolation, cstrcspnErr1RequiresViolation, cstrcspnErr3RequiresViolation, cstrcspnErr2RequiresViolation, cstrcspnErr8RequiresViolation, mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-12 10:17:17,805 INFO L82 PathProgramCache]: Analyzing trace with hash 12536641, now seen corresponding path program 1 times [2018-04-12 10:17:17,805 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-12 10:17:17,805 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-12 10:17:17,806 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 10:17:17,806 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-12 10:17:17,806 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 10:17:17,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 10:17:17,816 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 10:17:17,954 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 10:17:17,954 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-04-12 10:17:17,954 INFO L213 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-04-12 10:17:17,960 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-12 10:17:17,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 10:17:17,984 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-12 10:17:18,026 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 11 [2018-04-12 10:17:18,030 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 10 [2018-04-12 10:17:18,031 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 10:17:18,033 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 10:17:18,043 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-12 10:17:18,044 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:25, output treesize:21 [2018-04-12 10:17:18,167 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 14 [2018-04-12 10:17:18,174 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 14 treesize of output 11 [2018-04-12 10:17:18,175 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 2 xjuncts. [2018-04-12 10:17:18,183 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-12 10:17:18,194 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2018-04-12 10:17:18,194 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:34, output treesize:33 [2018-04-12 10:17:18,291 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 10:17:18,315 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-12 10:17:18,315 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 10] total 19 [2018-04-12 10:17:18,315 INFO L442 AbstractCegarLoop]: Interpolant automaton has 20 states [2018-04-12 10:17:18,316 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2018-04-12 10:17:18,316 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=332, Unknown=0, NotChecked=0, Total=380 [2018-04-12 10:17:18,316 INFO L87 Difference]: Start difference. First operand 75 states and 82 transitions. Second operand 20 states. [2018-04-12 10:17:18,939 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 10:17:18,939 INFO L93 Difference]: Finished difference Result 103 states and 112 transitions. [2018-04-12 10:17:18,943 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-04-12 10:17:18,943 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 30 [2018-04-12 10:17:18,943 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 10:17:18,944 INFO L225 Difference]: With dead ends: 103 [2018-04-12 10:17:18,944 INFO L226 Difference]: Without dead ends: 103 [2018-04-12 10:17:18,944 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 109 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=150, Invalid=720, Unknown=0, NotChecked=0, Total=870 [2018-04-12 10:17:18,945 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 103 states. [2018-04-12 10:17:18,947 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 103 to 82. [2018-04-12 10:17:18,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 82 states. [2018-04-12 10:17:18,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 82 states and 91 transitions. [2018-04-12 10:17:18,948 INFO L78 Accepts]: Start accepts. Automaton has 82 states and 91 transitions. Word has length 30 [2018-04-12 10:17:18,948 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 10:17:18,948 INFO L459 AbstractCegarLoop]: Abstraction has 82 states and 91 transitions. [2018-04-12 10:17:18,948 INFO L460 AbstractCegarLoop]: Interpolant automaton has 20 states. [2018-04-12 10:17:18,948 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 91 transitions. [2018-04-12 10:17:18,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-04-12 10:17:18,949 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 10:17:18,949 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 10:17:18,949 INFO L408 AbstractCegarLoop]: === Iteration 14 === [cstrcspnErr0RequiresViolation, cstrcspnErr9RequiresViolation, cstrcspnErr7RequiresViolation, cstrcspnErr4RequiresViolation, cstrcspnErr6RequiresViolation, cstrcspnErr5RequiresViolation, cstrcspnErr1RequiresViolation, cstrcspnErr3RequiresViolation, cstrcspnErr2RequiresViolation, cstrcspnErr8RequiresViolation, mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-12 10:17:18,949 INFO L82 PathProgramCache]: Analyzing trace with hash 1821776862, now seen corresponding path program 1 times [2018-04-12 10:17:18,949 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-12 10:17:18,949 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-12 10:17:18,950 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 10:17:18,950 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-12 10:17:18,950 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 10:17:18,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 10:17:18,960 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 10:17:19,098 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 10:17:19,098 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-04-12 10:17:19,098 INFO L213 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-04-12 10:17:19,106 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-12 10:17:19,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 10:17:19,123 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-12 10:17:19,125 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-04-12 10:17:19,126 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-12 10:17:19,128 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 10:17:19,128 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2018-04-12 10:17:19,153 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 10:17:19,153 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 10:17:19,154 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 4 [2018-04-12 10:17:19,154 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-12 10:17:19,156 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 10:17:19,156 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:14, output treesize:8 [2018-04-12 10:17:19,176 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 11 [2018-04-12 10:17:19,177 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 10 [2018-04-12 10:17:19,177 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 10:17:19,178 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 10:17:19,182 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-12 10:17:19,182 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:29, output treesize:25 [2018-04-12 10:17:19,201 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 26 [2018-04-12 10:17:19,203 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 10 [2018-04-12 10:17:19,203 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 10:17:19,206 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 10:17:19,211 INFO L267 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 1 dim-2 vars, End of recursive call: 4 dim-0 vars, and 1 xjuncts. [2018-04-12 10:17:19,211 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 5 variables, input treesize:39, output treesize:35 [2018-04-12 10:17:19,292 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 26 [2018-04-12 10:17:19,298 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 14 treesize of output 11 [2018-04-12 10:17:19,299 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 2 xjuncts. [2018-04-12 10:17:19,305 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2018-04-12 10:17:19,305 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-04-12 10:17:19,307 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-12 10:17:19,315 INFO L267 ElimStorePlain]: Start of recursive call 1: 5 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2018-04-12 10:17:19,316 INFO L202 ElimStorePlain]: Needed 4 recursive calls to eliminate 6 variables, input treesize:48, output treesize:33 [2018-04-12 10:17:19,366 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 10:17:19,385 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-12 10:17:19,385 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 13] total 22 [2018-04-12 10:17:19,385 INFO L442 AbstractCegarLoop]: Interpolant automaton has 23 states [2018-04-12 10:17:19,386 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2018-04-12 10:17:19,386 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=448, Unknown=0, NotChecked=0, Total=506 [2018-04-12 10:17:19,386 INFO L87 Difference]: Start difference. First operand 82 states and 91 transitions. Second operand 23 states. [2018-04-12 10:17:19,972 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 10:17:19,972 INFO L93 Difference]: Finished difference Result 170 states and 191 transitions. [2018-04-12 10:17:19,972 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-04-12 10:17:19,972 INFO L78 Accepts]: Start accepts. Automaton has 23 states. Word has length 31 [2018-04-12 10:17:19,973 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 10:17:19,973 INFO L225 Difference]: With dead ends: 170 [2018-04-12 10:17:19,974 INFO L226 Difference]: Without dead ends: 170 [2018-04-12 10:17:19,974 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 194 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=162, Invalid=894, Unknown=0, NotChecked=0, Total=1056 [2018-04-12 10:17:19,974 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 170 states. [2018-04-12 10:17:19,978 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 170 to 127. [2018-04-12 10:17:19,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 127 states. [2018-04-12 10:17:19,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 127 states and 145 transitions. [2018-04-12 10:17:19,979 INFO L78 Accepts]: Start accepts. Automaton has 127 states and 145 transitions. Word has length 31 [2018-04-12 10:17:19,980 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 10:17:19,980 INFO L459 AbstractCegarLoop]: Abstraction has 127 states and 145 transitions. [2018-04-12 10:17:19,980 INFO L460 AbstractCegarLoop]: Interpolant automaton has 23 states. [2018-04-12 10:17:19,980 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 145 transitions. [2018-04-12 10:17:19,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-04-12 10:17:19,981 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 10:17:19,981 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 10:17:19,981 INFO L408 AbstractCegarLoop]: === Iteration 15 === [cstrcspnErr0RequiresViolation, cstrcspnErr9RequiresViolation, cstrcspnErr7RequiresViolation, cstrcspnErr4RequiresViolation, cstrcspnErr6RequiresViolation, cstrcspnErr5RequiresViolation, cstrcspnErr1RequiresViolation, cstrcspnErr3RequiresViolation, cstrcspnErr2RequiresViolation, cstrcspnErr8RequiresViolation, mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-12 10:17:19,991 INFO L82 PathProgramCache]: Analyzing trace with hash -670234678, now seen corresponding path program 2 times [2018-04-12 10:17:19,992 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-12 10:17:19,992 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-12 10:17:19,999 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 10:17:19,999 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-12 10:17:20,000 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 10:17:20,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 10:17:20,013 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 10:17:20,311 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 10:17:20,312 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-04-12 10:17:20,312 INFO L213 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-04-12 10:17:20,321 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST1 [2018-04-12 10:17:20,343 INFO L242 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2018-04-12 10:17:20,343 INFO L243 tOrderPrioritization]: Conjunction of SSA is unsat [2018-04-12 10:17:20,346 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-12 10:17:20,350 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-04-12 10:17:20,350 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-12 10:17:20,353 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 10:17:20,353 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2018-04-12 10:17:20,392 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 13 [2018-04-12 10:17:20,394 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 12 [2018-04-12 10:17:20,394 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 10:17:20,395 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 10:17:20,399 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-12 10:17:20,399 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:23, output treesize:19 [2018-04-12 10:17:20,551 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 16 [2018-04-12 10:17:20,558 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 16 treesize of output 13 [2018-04-12 10:17:20,558 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 2 xjuncts. [2018-04-12 10:17:20,562 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-12 10:17:20,571 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 3 xjuncts. [2018-04-12 10:17:20,571 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:31, output treesize:33 [2018-04-12 10:17:20,741 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 2 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 10:17:20,760 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-12 10:17:20,760 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 13] total 23 [2018-04-12 10:17:20,760 INFO L442 AbstractCegarLoop]: Interpolant automaton has 24 states [2018-04-12 10:17:20,761 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2018-04-12 10:17:20,761 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=63, Invalid=489, Unknown=0, NotChecked=0, Total=552 [2018-04-12 10:17:20,761 INFO L87 Difference]: Start difference. First operand 127 states and 145 transitions. Second operand 24 states. [2018-04-12 10:17:21,548 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 10:17:21,548 INFO L93 Difference]: Finished difference Result 176 states and 191 transitions. [2018-04-12 10:17:21,549 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-04-12 10:17:21,549 INFO L78 Accepts]: Start accepts. Automaton has 24 states. Word has length 37 [2018-04-12 10:17:21,549 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 10:17:21,550 INFO L225 Difference]: With dead ends: 176 [2018-04-12 10:17:21,550 INFO L226 Difference]: Without dead ends: 176 [2018-04-12 10:17:21,550 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 26 SyntacticMatches, 1 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 156 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=219, Invalid=1113, Unknown=0, NotChecked=0, Total=1332 [2018-04-12 10:17:21,551 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 176 states. [2018-04-12 10:17:21,553 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 176 to 92. [2018-04-12 10:17:21,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 92 states. [2018-04-12 10:17:21,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 92 states and 99 transitions. [2018-04-12 10:17:21,553 INFO L78 Accepts]: Start accepts. Automaton has 92 states and 99 transitions. Word has length 37 [2018-04-12 10:17:21,553 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 10:17:21,553 INFO L459 AbstractCegarLoop]: Abstraction has 92 states and 99 transitions. [2018-04-12 10:17:21,553 INFO L460 AbstractCegarLoop]: Interpolant automaton has 24 states. [2018-04-12 10:17:21,553 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 99 transitions. [2018-04-12 10:17:21,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-04-12 10:17:21,554 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 10:17:21,554 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 10:17:21,554 INFO L408 AbstractCegarLoop]: === Iteration 16 === [cstrcspnErr0RequiresViolation, cstrcspnErr9RequiresViolation, cstrcspnErr7RequiresViolation, cstrcspnErr4RequiresViolation, cstrcspnErr6RequiresViolation, cstrcspnErr5RequiresViolation, cstrcspnErr1RequiresViolation, cstrcspnErr3RequiresViolation, cstrcspnErr2RequiresViolation, cstrcspnErr8RequiresViolation, mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-12 10:17:21,554 INFO L82 PathProgramCache]: Analyzing trace with hash 903827564, now seen corresponding path program 2 times [2018-04-12 10:17:21,554 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-12 10:17:21,554 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-12 10:17:21,555 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 10:17:21,555 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-04-12 10:17:21,555 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 10:17:21,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 10:17:21,562 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 10:17:21,840 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 10:17:21,840 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-04-12 10:17:21,840 INFO L213 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-04-12 10:17:21,845 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST1 [2018-04-12 10:17:21,862 INFO L242 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2018-04-12 10:17:21,862 INFO L243 tOrderPrioritization]: Conjunction of SSA is unsat [2018-04-12 10:17:21,864 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-12 10:17:21,867 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-04-12 10:17:21,867 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-12 10:17:21,871 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-04-12 10:17:21,872 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 10:17:21,879 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 10:17:21,879 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:16, output treesize:14 [2018-04-12 10:17:21,939 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 10:17:21,940 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 10:17:21,941 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 4 [2018-04-12 10:17:21,941 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-12 10:17:21,961 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 15 [2018-04-12 10:17:21,962 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 10:17:21,966 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 10:17:21,967 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:25, output treesize:18 [2018-04-12 10:17:21,997 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 13 [2018-04-12 10:17:21,998 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 12 [2018-04-12 10:17:21,998 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 10:17:21,999 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 10:17:22,002 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-12 10:17:22,003 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:32, output treesize:28 [2018-04-12 10:17:22,023 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 30 [2018-04-12 10:17:22,026 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 12 [2018-04-12 10:17:22,026 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 10:17:22,030 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 10:17:22,034 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-04-12 10:17:22,035 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:39, output treesize:35 [2018-04-12 10:17:22,200 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 30 [2018-04-12 10:17:22,205 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 16 treesize of output 13 [2018-04-12 10:17:22,206 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 2 xjuncts. [2018-04-12 10:17:22,212 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 1 [2018-04-12 10:17:22,212 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-04-12 10:17:22,214 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-12 10:17:22,223 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2018-04-12 10:17:22,223 INFO L202 ElimStorePlain]: Needed 4 recursive calls to eliminate 4 variables, input treesize:54, output treesize:49 [2018-04-12 10:17:22,272 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 2 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 10:17:22,290 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-12 10:17:22,291 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 13] total 22 [2018-04-12 10:17:22,291 INFO L442 AbstractCegarLoop]: Interpolant automaton has 23 states [2018-04-12 10:17:22,291 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2018-04-12 10:17:22,291 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=456, Unknown=0, NotChecked=0, Total=506 [2018-04-12 10:17:22,291 INFO L87 Difference]: Start difference. First operand 92 states and 99 transitions. Second operand 23 states. [2018-04-12 10:17:29,901 WARN L151 SmtUtils]: Spent 3743ms on a formula simplification. DAG size of input: 48 DAG size of output 45 [2018-04-12 10:17:30,806 WARN L148 SmtUtils]: Spent 828ms on a formula simplification that was a NOOP. DAG size: 46 [2018-04-12 10:17:32,277 WARN L151 SmtUtils]: Spent 1447ms on a formula simplification. DAG size of input: 54 DAG size of output 52 [2018-04-12 10:17:33,675 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 10:17:33,675 INFO L93 Difference]: Finished difference Result 117 states and 124 transitions. [2018-04-12 10:17:33,676 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2018-04-12 10:17:33,676 INFO L78 Accepts]: Start accepts. Automaton has 23 states. Word has length 44 [2018-04-12 10:17:33,676 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 10:17:33,676 INFO L225 Difference]: With dead ends: 117 [2018-04-12 10:17:33,676 INFO L226 Difference]: Without dead ends: 0 [2018-04-12 10:17:33,677 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 36 SyntacticMatches, 2 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 177 ImplicationChecksByTransitivity, 7.1s TimeCoverageRelationStatistics Valid=199, Invalid=1207, Unknown=0, NotChecked=0, Total=1406 [2018-04-12 10:17:33,677 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-04-12 10:17:33,677 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-04-12 10:17:33,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-04-12 10:17:33,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-04-12 10:17:33,677 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 44 [2018-04-12 10:17:33,677 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 10:17:33,677 INFO L459 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-04-12 10:17:33,677 INFO L460 AbstractCegarLoop]: Interpolant automaton has 23 states. [2018-04-12 10:17:33,677 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-04-12 10:17:33,677 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-04-12 10:17:33,680 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.04 10:17:33 BoogieIcfgContainer [2018-04-12 10:17:33,680 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-04-12 10:17:33,680 INFO L168 Benchmark]: Toolchain (without parser) took 18614.15 ms. Allocated memory was 403.7 MB in the beginning and 772.8 MB in the end (delta: 369.1 MB). Free memory was 339.9 MB in the beginning and 587.9 MB in the end (delta: -248.0 MB). Peak memory consumption was 121.1 MB. Max. memory is 5.3 GB. [2018-04-12 10:17:33,681 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 403.7 MB. Free memory is still 366.5 MB. There was no memory consumed. Max. memory is 5.3 GB. [2018-04-12 10:17:33,681 INFO L168 Benchmark]: CACSL2BoogieTranslator took 264.75 ms. Allocated memory is still 403.7 MB. Free memory was 339.9 MB in the beginning and 314.7 MB in the end (delta: 25.2 MB). Peak memory consumption was 25.2 MB. Max. memory is 5.3 GB. [2018-04-12 10:17:33,682 INFO L168 Benchmark]: Boogie Preprocessor took 35.54 ms. Allocated memory is still 403.7 MB. Free memory was 314.7 MB in the beginning and 313.4 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 5.3 GB. [2018-04-12 10:17:33,682 INFO L168 Benchmark]: RCFGBuilder took 382.68 ms. Allocated memory was 403.7 MB in the beginning and 613.9 MB in the end (delta: 210.2 MB). Free memory was 313.4 MB in the beginning and 547.0 MB in the end (delta: -233.6 MB). Peak memory consumption was 24.6 MB. Max. memory is 5.3 GB. [2018-04-12 10:17:33,682 INFO L168 Benchmark]: TraceAbstraction took 17928.61 ms. Allocated memory was 613.9 MB in the beginning and 772.8 MB in the end (delta: 158.9 MB). Free memory was 547.0 MB in the beginning and 587.9 MB in the end (delta: -40.9 MB). Peak memory consumption was 118.0 MB. Max. memory is 5.3 GB. [2018-04-12 10:17:33,684 INFO L344 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 403.7 MB. Free memory is still 366.5 MB. There was no memory consumed. Max. memory is 5.3 GB. * CACSL2BoogieTranslator took 264.75 ms. Allocated memory is still 403.7 MB. Free memory was 339.9 MB in the beginning and 314.7 MB in the end (delta: 25.2 MB). Peak memory consumption was 25.2 MB. Max. memory is 5.3 GB. * Boogie Preprocessor took 35.54 ms. Allocated memory is still 403.7 MB. Free memory was 314.7 MB in the beginning and 313.4 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 5.3 GB. * RCFGBuilder took 382.68 ms. Allocated memory was 403.7 MB in the beginning and 613.9 MB in the end (delta: 210.2 MB). Free memory was 313.4 MB in the beginning and 547.0 MB in the end (delta: -233.6 MB). Peak memory consumption was 24.6 MB. Max. memory is 5.3 GB. * TraceAbstraction took 17928.61 ms. Allocated memory was 613.9 MB in the beginning and 772.8 MB in the end (delta: 158.9 MB). Free memory was 547.0 MB in the beginning and 587.9 MB in the end (delta: -40.9 MB). Peak memory consumption was 118.0 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, 17.8s OverallTime, 16 OverallIterations, 3 TraceHistogramMax, 14.3s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 640 SDtfs, 1547 SDslu, 2751 SDs, 0 SdLazy, 2640 SolverSat, 175 SolverUnsat, 3 SolverUnknown, 0 SolverNotchecked, 5.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 344 GetRequests, 129 SyntacticMatches, 3 SemanticMatches, 212 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 735 ImplicationChecksByTransitivity, 10.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=127occurred in iteration=14, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 16 MinimizatonAttempts, 182 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 2.9s InterpolantComputationTime, 536 NumberOfCodeBlocks, 536 NumberOfCodeBlocksAsserted, 22 NumberOfCheckSat, 516 ConstructedInterpolants, 46 QuantifiedInterpolants, 171467 SizeOfPredicates, 41 NumberOfNonLiveVariables, 602 ConjunctsInSsa, 115 ConjunctsInUnsatCore, 20 InterpolantComputations, 12 PerfectInterpolantSequences, 10/70 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_Camel.epf_AutomizerC.xml/Csv-Benchmark-0-2018-04-12_10-17-33-691.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_Camel.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-0-2018-04-12_10-17-33-691.csv Received shutdown request...