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 0.1.23-666feb3-m [2018-04-11 09:56:46,987 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-04-11 09:56:46,988 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-04-11 09:56:47,002 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-04-11 09:56:47,002 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-04-11 09:56:47,003 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-04-11 09:56:47,003 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-04-11 09:56:47,005 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-04-11 09:56:47,007 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-04-11 09:56:47,007 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-04-11 09:56:47,008 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-04-11 09:56:47,008 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-04-11 09:56:47,009 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-04-11 09:56:47,010 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-04-11 09:56:47,010 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-04-11 09:56:47,012 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-04-11 09:56:47,013 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-04-11 09:56:47,014 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-04-11 09:56:47,015 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-04-11 09:56:47,016 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-04-11 09:56:47,018 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2018-04-11 09:56:47,022 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-04-11 09:56:47,023 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-04-11 09:56:47,023 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 [2018-04-11 09:56:47,043 INFO L110 SettingsManager]: Loading preferences was successful [2018-04-11 09:56:47,044 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-04-11 09:56:47,044 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-04-11 09:56:47,045 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-04-11 09:56:47,045 INFO L133 SettingsManager]: * Use SBE=true [2018-04-11 09:56:47,045 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-04-11 09:56:47,045 INFO L133 SettingsManager]: * sizeof long=4 [2018-04-11 09:56:47,045 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-04-11 09:56:47,045 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-04-11 09:56:47,046 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-04-11 09:56:47,046 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-04-11 09:56:47,046 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-04-11 09:56:47,046 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2018-04-11 09:56:47,046 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-04-11 09:56:47,046 INFO L133 SettingsManager]: * sizeof long double=12 [2018-04-11 09:56:47,046 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-04-11 09:56:47,047 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-04-11 09:56:47,047 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-04-11 09:56:47,047 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-04-11 09:56:47,047 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-04-11 09:56:47,047 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-04-11 09:56:47,047 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-04-11 09:56:47,047 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-04-11 09:56:47,048 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Bitprecise bitfields -> false [2018-04-11 09:56:47,077 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-04-11 09:56:47,087 INFO L266 ainManager$Toolchain]: [Toolchain 1]: Parser(s) successfully (re)initialized [2018-04-11 09:56:47,090 INFO L222 ainManager$Toolchain]: [Toolchain 1]: Toolchain data selected. [2018-04-11 09:56:47,091 INFO L271 PluginConnector]: Initializing CDTParser... [2018-04-11 09:56:47,092 INFO L276 PluginConnector]: CDTParser initialized [2018-04-11 09:56:47,093 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 [2018-04-11 09:56:47,382 INFO L225 CDTParser]: Created temporary CDT project at /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/data/FLAGe05883e3f [2018-04-11 09:56:47,533 INFO L287 CDTParser]: IsIndexed: true [2018-04-11 09:56:47,533 INFO L288 CDTParser]: Found 1 translation units. [2018-04-11 09:56:47,534 INFO L168 CDTParser]: Scanning cstrcspn-alloca_true-valid-memsafety_true-termination.i [2018-04-11 09:56:47,541 INFO L210 ultiparseSymbolTable]: Include resolver: [2018-04-11 09:56:47,542 INFO L215 ultiparseSymbolTable]: [2018-04-11 09:56:47,542 INFO L218 ultiparseSymbolTable]: Function table: [2018-04-11 09:56:47,542 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 [2018-04-11 09:56:47,542 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 [2018-04-11 09:56:47,542 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 [2018-04-11 09:56:47,542 INFO L221 ultiparseSymbolTable]: Function definition of null ('main') in cstrcspn-alloca_true-valid-memsafety_true-termination.i [2018-04-11 09:56:47,542 INFO L227 ultiparseSymbolTable]: Global variable table: [2018-04-11 09:56:47,543 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 [2018-04-11 09:56:47,543 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 [2018-04-11 09:56:47,543 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 [2018-04-11 09:56:47,543 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 [2018-04-11 09:56:47,543 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 [2018-04-11 09:56:47,543 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 [2018-04-11 09:56:47,543 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 [2018-04-11 09:56:47,543 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 [2018-04-11 09:56:47,543 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 [2018-04-11 09:56:47,543 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 [2018-04-11 09:56:47,544 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 [2018-04-11 09:56:47,544 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 [2018-04-11 09:56:47,544 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 [2018-04-11 09:56:47,544 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 [2018-04-11 09:56:47,544 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 [2018-04-11 09:56:47,544 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 [2018-04-11 09:56:47,544 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 [2018-04-11 09:56:47,544 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 [2018-04-11 09:56:47,544 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 [2018-04-11 09:56:47,544 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 [2018-04-11 09:56:47,544 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 [2018-04-11 09:56:47,545 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 [2018-04-11 09:56:47,545 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 [2018-04-11 09:56:47,545 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 [2018-04-11 09:56:47,545 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 [2018-04-11 09:56:47,545 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 [2018-04-11 09:56:47,545 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 [2018-04-11 09:56:47,545 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 [2018-04-11 09:56:47,545 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 [2018-04-11 09:56:47,545 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 [2018-04-11 09:56:47,545 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 [2018-04-11 09:56:47,546 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 [2018-04-11 09:56:47,546 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 [2018-04-11 09:56:47,546 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 [2018-04-11 09:56:47,546 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 [2018-04-11 09:56:47,546 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 [2018-04-11 09:56:47,546 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 [2018-04-11 09:56:47,546 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 [2018-04-11 09:56:47,546 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 [2018-04-11 09:56:47,546 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 [2018-04-11 09:56:47,547 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 [2018-04-11 09:56:47,547 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 [2018-04-11 09:56:47,547 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 [2018-04-11 09:56:47,547 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 [2018-04-11 09:56:47,547 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 [2018-04-11 09:56:47,547 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 [2018-04-11 09:56:47,547 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 [2018-04-11 09:56:47,547 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 [2018-04-11 09:56:47,547 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 [2018-04-11 09:56:47,547 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 [2018-04-11 09:56:47,548 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 [2018-04-11 09:56:47,548 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 [2018-04-11 09:56:47,548 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 [2018-04-11 09:56:47,548 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 [2018-04-11 09:56:47,548 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 [2018-04-11 09:56:47,548 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 [2018-04-11 09:56:47,548 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 [2018-04-11 09:56:47,548 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 [2018-04-11 09:56:47,548 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 [2018-04-11 09:56:47,549 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 [2018-04-11 09:56:47,549 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 [2018-04-11 09:56:47,549 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 [2018-04-11 09:56:47,549 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 [2018-04-11 09:56:47,549 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 [2018-04-11 09:56:47,549 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 [2018-04-11 09:56:47,549 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 [2018-04-11 09:56:47,549 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 [2018-04-11 09:56:47,549 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 [2018-04-11 09:56:47,550 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 [2018-04-11 09:56:47,550 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 [2018-04-11 09:56:47,550 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 [2018-04-11 09:56:47,550 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 [2018-04-11 09:56:47,550 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 [2018-04-11 09:56:47,550 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 [2018-04-11 09:56:47,550 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 [2018-04-11 09:56:47,550 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 [2018-04-11 09:56:47,550 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 [2018-04-11 09:56:47,550 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 [2018-04-11 09:56:47,551 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 [2018-04-11 09:56:47,551 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 [2018-04-11 09:56:47,551 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 [2018-04-11 09:56:47,551 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 [2018-04-11 09:56:47,551 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 [2018-04-11 09:56:47,551 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 [2018-04-11 09:56:47,551 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 [2018-04-11 09:56:47,551 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 [2018-04-11 09:56:47,551 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 [2018-04-11 09:56:47,551 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 [2018-04-11 09:56:47,552 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 [2018-04-11 09:56:47,552 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 [2018-04-11 09:56:47,552 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 [2018-04-11 09:56:47,552 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 [2018-04-11 09:56:47,552 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 [2018-04-11 09:56:47,552 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 [2018-04-11 09:56:47,552 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 [2018-04-11 09:56:47,552 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 [2018-04-11 09:56:47,552 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 [2018-04-11 09:56:47,552 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 [2018-04-11 09:56:47,552 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 [2018-04-11 09:56:47,553 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 [2018-04-11 09:56:47,553 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 [2018-04-11 09:56:47,553 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 [2018-04-11 09:56:47,553 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 [2018-04-11 09:56:47,553 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 [2018-04-11 09:56:47,553 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 [2018-04-11 09:56:47,553 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 [2018-04-11 09:56:47,553 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 [2018-04-11 09:56:47,553 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 [2018-04-11 09:56:47,553 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 [2018-04-11 09:56:47,553 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 [2018-04-11 09:56:47,554 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 [2018-04-11 09:56:47,554 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 [2018-04-11 09:56:47,554 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 [2018-04-11 09:56:47,554 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 [2018-04-11 09:56:47,554 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 [2018-04-11 09:56:47,554 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 [2018-04-11 09:56:47,554 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 [2018-04-11 09:56:47,554 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 [2018-04-11 09:56:47,554 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 [2018-04-11 09:56:47,554 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 [2018-04-11 09:56:47,569 INFO L330 CDTParser]: Deleted temporary CDT project at /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/data/FLAGe05883e3f [2018-04-11 09:56:47,572 INFO L304 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-04-11 09:56:47,573 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-04-11 09:56:47,573 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-04-11 09:56:47,573 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-04-11 09:56:47,577 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-04-11 09:56:47,578 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.04 09:56:47" (1/1) ... [2018-04-11 09:56:47,580 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@32724e23 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 09:56:47, skipping insertion in model container [2018-04-11 09:56:47,580 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.04 09:56:47" (1/1) ... [2018-04-11 09:56:47,592 INFO L167 Dispatcher]: Using SV-COMP mode [2018-04-11 09:56:47,613 INFO L167 Dispatcher]: Using SV-COMP mode [2018-04-11 09:56:47,736 INFO L175 PostProcessor]: Settings: Checked method=main [2018-04-11 09:56:47,773 INFO L175 PostProcessor]: Settings: Checked method=main [2018-04-11 09:56:47,779 INFO L100 SccComputation]: Graph consists of 0 InCaSumBalls and 112 non ball SCCs. Number of states in SCCs 112. [2018-04-11 09:56:47,816 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 09:56:47 WrapperNode [2018-04-11 09:56:47,816 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-04-11 09:56:47,816 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-04-11 09:56:47,817 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-04-11 09:56:47,817 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-04-11 09:56:47,824 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 09:56:47" (1/1) ... [2018-04-11 09:56:47,824 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 09:56:47" (1/1) ... [2018-04-11 09:56:47,835 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 09:56:47" (1/1) ... [2018-04-11 09:56:47,835 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 09:56:47" (1/1) ... [2018-04-11 09:56:47,842 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 09:56:47" (1/1) ... [2018-04-11 09:56:47,847 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 09:56:47" (1/1) ... [2018-04-11 09:56:47,849 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 09:56:47" (1/1) ... [2018-04-11 09:56:47,852 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-04-11 09:56:47,853 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-04-11 09:56:47,853 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-04-11 09:56:47,853 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-04-11 09:56:47,854 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 09:56:47" (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 [2018-04-11 09:56:47,944 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-04-11 09:56:47,944 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-04-11 09:56:47,944 INFO L136 BoogieDeclarations]: Found implementation of procedure __U_MULTI_fcstrcspn_alloca_true_valid_memsafety_true_termination_i____bswap_32 [2018-04-11 09:56:47,944 INFO L136 BoogieDeclarations]: Found implementation of procedure __U_MULTI_fcstrcspn_alloca_true_valid_memsafety_true_termination_i____bswap_64 [2018-04-11 09:56:47,944 INFO L136 BoogieDeclarations]: Found implementation of procedure cstrcspn [2018-04-11 09:56:47,944 INFO L136 BoogieDeclarations]: Found implementation of procedure main [2018-04-11 09:56:47,944 INFO L128 BoogieDeclarations]: Found specification of procedure __U_MULTI_fcstrcspn_alloca_true_valid_memsafety_true_termination_i____bswap_32 [2018-04-11 09:56:47,944 INFO L128 BoogieDeclarations]: Found specification of procedure __U_MULTI_fcstrcspn_alloca_true_valid_memsafety_true_termination_i____bswap_64 [2018-04-11 09:56:47,944 INFO L128 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2018-04-11 09:56:47,944 INFO L128 BoogieDeclarations]: Found specification of procedure atof [2018-04-11 09:56:47,945 INFO L128 BoogieDeclarations]: Found specification of procedure atoi [2018-04-11 09:56:47,945 INFO L128 BoogieDeclarations]: Found specification of procedure atol [2018-04-11 09:56:47,945 INFO L128 BoogieDeclarations]: Found specification of procedure atoll [2018-04-11 09:56:47,945 INFO L128 BoogieDeclarations]: Found specification of procedure strtod [2018-04-11 09:56:47,945 INFO L128 BoogieDeclarations]: Found specification of procedure strtof [2018-04-11 09:56:47,945 INFO L128 BoogieDeclarations]: Found specification of procedure strtold [2018-04-11 09:56:47,945 INFO L128 BoogieDeclarations]: Found specification of procedure strtol [2018-04-11 09:56:47,945 INFO L128 BoogieDeclarations]: Found specification of procedure strtoul [2018-04-11 09:56:47,945 INFO L128 BoogieDeclarations]: Found specification of procedure strtoq [2018-04-11 09:56:47,945 INFO L128 BoogieDeclarations]: Found specification of procedure strtouq [2018-04-11 09:56:47,946 INFO L128 BoogieDeclarations]: Found specification of procedure strtoll [2018-04-11 09:56:47,946 INFO L128 BoogieDeclarations]: Found specification of procedure strtoull [2018-04-11 09:56:47,946 INFO L128 BoogieDeclarations]: Found specification of procedure l64a [2018-04-11 09:56:47,946 INFO L128 BoogieDeclarations]: Found specification of procedure a64l [2018-04-11 09:56:47,946 INFO L128 BoogieDeclarations]: Found specification of procedure select [2018-04-11 09:56:47,946 INFO L128 BoogieDeclarations]: Found specification of procedure pselect [2018-04-11 09:56:47,946 INFO L128 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2018-04-11 09:56:47,946 INFO L128 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2018-04-11 09:56:47,947 INFO L128 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2018-04-11 09:56:47,947 INFO L128 BoogieDeclarations]: Found specification of procedure random [2018-04-11 09:56:47,947 INFO L128 BoogieDeclarations]: Found specification of procedure srandom [2018-04-11 09:56:47,947 INFO L128 BoogieDeclarations]: Found specification of procedure initstate [2018-04-11 09:56:47,947 INFO L128 BoogieDeclarations]: Found specification of procedure setstate [2018-04-11 09:56:47,947 INFO L128 BoogieDeclarations]: Found specification of procedure random_r [2018-04-11 09:56:47,947 INFO L128 BoogieDeclarations]: Found specification of procedure srandom_r [2018-04-11 09:56:47,947 INFO L128 BoogieDeclarations]: Found specification of procedure initstate_r [2018-04-11 09:56:47,947 INFO L128 BoogieDeclarations]: Found specification of procedure setstate_r [2018-04-11 09:56:47,948 INFO L128 BoogieDeclarations]: Found specification of procedure rand [2018-04-11 09:56:47,948 INFO L128 BoogieDeclarations]: Found specification of procedure srand [2018-04-11 09:56:47,948 INFO L128 BoogieDeclarations]: Found specification of procedure rand_r [2018-04-11 09:56:47,948 INFO L128 BoogieDeclarations]: Found specification of procedure drand48 [2018-04-11 09:56:47,948 INFO L128 BoogieDeclarations]: Found specification of procedure erand48 [2018-04-11 09:56:47,948 INFO L128 BoogieDeclarations]: Found specification of procedure lrand48 [2018-04-11 09:56:47,948 INFO L128 BoogieDeclarations]: Found specification of procedure nrand48 [2018-04-11 09:56:47,948 INFO L128 BoogieDeclarations]: Found specification of procedure mrand48 [2018-04-11 09:56:47,948 INFO L128 BoogieDeclarations]: Found specification of procedure jrand48 [2018-04-11 09:56:47,949 INFO L128 BoogieDeclarations]: Found specification of procedure srand48 [2018-04-11 09:56:47,949 INFO L128 BoogieDeclarations]: Found specification of procedure seed48 [2018-04-11 09:56:47,949 INFO L128 BoogieDeclarations]: Found specification of procedure lcong48 [2018-04-11 09:56:47,949 INFO L128 BoogieDeclarations]: Found specification of procedure drand48_r [2018-04-11 09:56:47,949 INFO L128 BoogieDeclarations]: Found specification of procedure erand48_r [2018-04-11 09:56:47,949 INFO L128 BoogieDeclarations]: Found specification of procedure lrand48_r [2018-04-11 09:56:47,949 INFO L128 BoogieDeclarations]: Found specification of procedure nrand48_r [2018-04-11 09:56:47,949 INFO L128 BoogieDeclarations]: Found specification of procedure mrand48_r [2018-04-11 09:56:47,949 INFO L128 BoogieDeclarations]: Found specification of procedure jrand48_r [2018-04-11 09:56:47,949 INFO L128 BoogieDeclarations]: Found specification of procedure srand48_r [2018-04-11 09:56:47,950 INFO L128 BoogieDeclarations]: Found specification of procedure seed48_r [2018-04-11 09:56:47,950 INFO L128 BoogieDeclarations]: Found specification of procedure lcong48_r [2018-04-11 09:56:47,950 INFO L128 BoogieDeclarations]: Found specification of procedure malloc [2018-04-11 09:56:47,950 INFO L128 BoogieDeclarations]: Found specification of procedure calloc [2018-04-11 09:56:47,950 INFO L128 BoogieDeclarations]: Found specification of procedure realloc [2018-04-11 09:56:47,950 INFO L128 BoogieDeclarations]: Found specification of procedure free [2018-04-11 09:56:47,950 INFO L128 BoogieDeclarations]: Found specification of procedure cfree [2018-04-11 09:56:47,950 INFO L128 BoogieDeclarations]: Found specification of procedure alloca [2018-04-11 09:56:47,950 INFO L128 BoogieDeclarations]: Found specification of procedure valloc [2018-04-11 09:56:47,950 INFO L128 BoogieDeclarations]: Found specification of procedure posix_memalign [2018-04-11 09:56:47,951 INFO L128 BoogieDeclarations]: Found specification of procedure abort [2018-04-11 09:56:47,951 INFO L128 BoogieDeclarations]: Found specification of procedure atexit [2018-04-11 09:56:47,951 INFO L128 BoogieDeclarations]: Found specification of procedure on_exit [2018-04-11 09:56:47,951 INFO L128 BoogieDeclarations]: Found specification of procedure exit [2018-04-11 09:56:47,951 INFO L128 BoogieDeclarations]: Found specification of procedure _Exit [2018-04-11 09:56:47,951 INFO L128 BoogieDeclarations]: Found specification of procedure getenv [2018-04-11 09:56:47,951 INFO L128 BoogieDeclarations]: Found specification of procedure putenv [2018-04-11 09:56:47,951 INFO L128 BoogieDeclarations]: Found specification of procedure setenv [2018-04-11 09:56:47,951 INFO L128 BoogieDeclarations]: Found specification of procedure unsetenv [2018-04-11 09:56:47,951 INFO L128 BoogieDeclarations]: Found specification of procedure clearenv [2018-04-11 09:56:47,952 INFO L128 BoogieDeclarations]: Found specification of procedure mktemp [2018-04-11 09:56:47,952 INFO L128 BoogieDeclarations]: Found specification of procedure mkstemp [2018-04-11 09:56:47,952 INFO L128 BoogieDeclarations]: Found specification of procedure mkstemps [2018-04-11 09:56:47,952 INFO L128 BoogieDeclarations]: Found specification of procedure mkdtemp [2018-04-11 09:56:47,952 INFO L128 BoogieDeclarations]: Found specification of procedure system [2018-04-11 09:56:47,952 INFO L128 BoogieDeclarations]: Found specification of procedure realpath [2018-04-11 09:56:47,952 INFO L128 BoogieDeclarations]: Found specification of procedure bsearch [2018-04-11 09:56:47,952 INFO L128 BoogieDeclarations]: Found specification of procedure qsort [2018-04-11 09:56:47,952 INFO L128 BoogieDeclarations]: Found specification of procedure abs [2018-04-11 09:56:47,952 INFO L128 BoogieDeclarations]: Found specification of procedure labs [2018-04-11 09:56:47,953 INFO L128 BoogieDeclarations]: Found specification of procedure llabs [2018-04-11 09:56:47,953 INFO L128 BoogieDeclarations]: Found specification of procedure div [2018-04-11 09:56:47,953 INFO L128 BoogieDeclarations]: Found specification of procedure ldiv [2018-04-11 09:56:47,953 INFO L128 BoogieDeclarations]: Found specification of procedure lldiv [2018-04-11 09:56:47,953 INFO L128 BoogieDeclarations]: Found specification of procedure ecvt [2018-04-11 09:56:47,953 INFO L128 BoogieDeclarations]: Found specification of procedure fcvt [2018-04-11 09:56:47,953 INFO L128 BoogieDeclarations]: Found specification of procedure gcvt [2018-04-11 09:56:47,953 INFO L128 BoogieDeclarations]: Found specification of procedure qecvt [2018-04-11 09:56:47,953 INFO L128 BoogieDeclarations]: Found specification of procedure qfcvt [2018-04-11 09:56:47,953 INFO L128 BoogieDeclarations]: Found specification of procedure qgcvt [2018-04-11 09:56:47,953 INFO L128 BoogieDeclarations]: Found specification of procedure ecvt_r [2018-04-11 09:56:47,954 INFO L128 BoogieDeclarations]: Found specification of procedure fcvt_r [2018-04-11 09:56:47,954 INFO L128 BoogieDeclarations]: Found specification of procedure qecvt_r [2018-04-11 09:56:47,954 INFO L128 BoogieDeclarations]: Found specification of procedure qfcvt_r [2018-04-11 09:56:47,954 INFO L128 BoogieDeclarations]: Found specification of procedure mblen [2018-04-11 09:56:47,954 INFO L128 BoogieDeclarations]: Found specification of procedure mbtowc [2018-04-11 09:56:47,954 INFO L128 BoogieDeclarations]: Found specification of procedure wctomb [2018-04-11 09:56:47,954 INFO L128 BoogieDeclarations]: Found specification of procedure mbstowcs [2018-04-11 09:56:47,954 INFO L128 BoogieDeclarations]: Found specification of procedure wcstombs [2018-04-11 09:56:47,954 INFO L128 BoogieDeclarations]: Found specification of procedure rpmatch [2018-04-11 09:56:47,954 INFO L128 BoogieDeclarations]: Found specification of procedure getsubopt [2018-04-11 09:56:47,955 INFO L128 BoogieDeclarations]: Found specification of procedure getloadavg [2018-04-11 09:56:47,955 INFO L128 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-04-11 09:56:47,955 INFO L128 BoogieDeclarations]: Found specification of procedure cstrcspn [2018-04-11 09:56:47,955 INFO L128 BoogieDeclarations]: Found specification of procedure read~int [2018-04-11 09:56:47,955 INFO L128 BoogieDeclarations]: Found specification of procedure main [2018-04-11 09:56:47,955 INFO L128 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-04-11 09:56:47,955 INFO L128 BoogieDeclarations]: Found specification of procedure write~int [2018-04-11 09:56:47,955 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-04-11 09:56:47,955 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-04-11 09:56:47,955 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-04-11 09:56:47,956 INFO L128 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2018-04-11 09:56:48,255 INFO L259 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-04-11 09:56:48,256 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.04 09:56:48 BoogieIcfgContainer [2018-04-11 09:56:48,256 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-04-11 09:56:48,257 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-04-11 09:56:48,257 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-04-11 09:56:48,260 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-04-11 09:56:48,260 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.04 09:56:47" (1/3) ... [2018-04-11 09:56:48,261 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3afffdfe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.04 09:56:48, skipping insertion in model container [2018-04-11 09:56:48,261 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 09:56:47" (2/3) ... [2018-04-11 09:56:48,261 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3afffdfe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.04 09:56:48, skipping insertion in model container [2018-04-11 09:56:48,261 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.04 09:56:48" (3/3) ... [2018-04-11 09:56:48,263 INFO L107 eAbstractionObserver]: Analyzing ICFG cstrcspn-alloca_true-valid-memsafety_true-termination.i [2018-04-11 09:56:48,271 INFO L131 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-04-11 09:56:48,278 INFO L143 ceAbstractionStarter]: Appying trace abstraction to program that has 15 error locations. [2018-04-11 09:56:48,314 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2018-04-11 09:56:48,315 INFO L369 AbstractCegarLoop]: Interprodecural is true [2018-04-11 09:56:48,315 INFO L370 AbstractCegarLoop]: Hoare is false [2018-04-11 09:56:48,315 INFO L371 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-04-11 09:56:48,315 INFO L372 AbstractCegarLoop]: Backedges is TWOTRACK [2018-04-11 09:56:48,315 INFO L373 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-04-11 09:56:48,315 INFO L374 AbstractCegarLoop]: Difference is false [2018-04-11 09:56:48,315 INFO L375 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-04-11 09:56:48,315 INFO L380 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-04-11 09:56:48,316 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-04-11 09:56:48,326 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states. [2018-04-11 09:56:48,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-04-11 09:56:48,332 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 09:56:48,333 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 09:56:48,333 INFO L408 AbstractCegarLoop]: === Iteration 1 === [cstrcspnErr0RequiresViolation, cstrcspnErr9RequiresViolation, cstrcspnErr7RequiresViolation, cstrcspnErr4RequiresViolation, cstrcspnErr6RequiresViolation, cstrcspnErr5RequiresViolation, cstrcspnErr1RequiresViolation, cstrcspnErr3RequiresViolation, cstrcspnErr2RequiresViolation, cstrcspnErr8RequiresViolation, mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-11 09:56:48,336 INFO L82 PathProgramCache]: Analyzing trace with hash 2018700559, now seen corresponding path program 1 times [2018-04-11 09:56:48,337 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-11 09:56:48,337 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-11 09:56:48,368 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 09:56:48,368 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-11 09:56:48,368 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 09:56:48,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 09:56:48,409 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 09:56:48,502 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 09:56:48,504 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-11 09:56:48,504 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-04-11 09:56:48,505 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-04-11 09:56:48,515 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-04-11 09:56:48,515 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-04-11 09:56:48,517 INFO L87 Difference]: Start difference. First operand 58 states. Second operand 4 states. [2018-04-11 09:56:48,597 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 09:56:48,597 INFO L93 Difference]: Finished difference Result 57 states and 62 transitions. [2018-04-11 09:56:48,597 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-04-11 09:56:48,598 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 13 [2018-04-11 09:56:48,598 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 09:56:48,606 INFO L225 Difference]: With dead ends: 57 [2018-04-11 09:56:48,606 INFO L226 Difference]: Without dead ends: 54 [2018-04-11 09:56:48,607 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 [2018-04-11 09:56:48,617 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54 states. [2018-04-11 09:56:48,627 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54 to 54. [2018-04-11 09:56:48,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 54 states. [2018-04-11 09:56:48,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 59 transitions. [2018-04-11 09:56:48,631 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 59 transitions. Word has length 13 [2018-04-11 09:56:48,631 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 09:56:48,631 INFO L459 AbstractCegarLoop]: Abstraction has 54 states and 59 transitions. [2018-04-11 09:56:48,631 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-04-11 09:56:48,631 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 59 transitions. [2018-04-11 09:56:48,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-04-11 09:56:48,631 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 09:56:48,631 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 09:56:48,632 INFO L408 AbstractCegarLoop]: === Iteration 2 === [cstrcspnErr0RequiresViolation, cstrcspnErr9RequiresViolation, cstrcspnErr7RequiresViolation, cstrcspnErr4RequiresViolation, cstrcspnErr6RequiresViolation, cstrcspnErr5RequiresViolation, cstrcspnErr1RequiresViolation, cstrcspnErr3RequiresViolation, cstrcspnErr2RequiresViolation, cstrcspnErr8RequiresViolation, mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-11 09:56:48,632 INFO L82 PathProgramCache]: Analyzing trace with hash 2018700560, now seen corresponding path program 1 times [2018-04-11 09:56:48,632 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-11 09:56:48,632 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-11 09:56:48,633 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 09:56:48,633 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-11 09:56:48,633 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 09:56:48,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 09:56:48,647 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 09:56:48,719 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 09:56:48,719 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-11 09:56:48,719 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-04-11 09:56:48,721 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-04-11 09:56:48,721 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-04-11 09:56:48,721 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2018-04-11 09:56:48,721 INFO L87 Difference]: Start difference. First operand 54 states and 59 transitions. Second operand 6 states. [2018-04-11 09:56:48,775 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 09:56:48,776 INFO L93 Difference]: Finished difference Result 53 states and 58 transitions. [2018-04-11 09:56:48,776 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-04-11 09:56:48,776 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 13 [2018-04-11 09:56:48,776 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 09:56:48,777 INFO L225 Difference]: With dead ends: 53 [2018-04-11 09:56:48,777 INFO L226 Difference]: Without dead ends: 53 [2018-04-11 09:56:48,777 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 [2018-04-11 09:56:48,778 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2018-04-11 09:56:48,780 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 53. [2018-04-11 09:56:48,781 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 53 states. [2018-04-11 09:56:48,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 58 transitions. [2018-04-11 09:56:48,782 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 58 transitions. Word has length 13 [2018-04-11 09:56:48,782 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 09:56:48,782 INFO L459 AbstractCegarLoop]: Abstraction has 53 states and 58 transitions. [2018-04-11 09:56:48,782 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-04-11 09:56:48,782 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 58 transitions. [2018-04-11 09:56:48,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-04-11 09:56:48,783 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 09:56:48,783 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 09:56:48,783 INFO L408 AbstractCegarLoop]: === Iteration 3 === [cstrcspnErr0RequiresViolation, cstrcspnErr9RequiresViolation, cstrcspnErr7RequiresViolation, cstrcspnErr4RequiresViolation, cstrcspnErr6RequiresViolation, cstrcspnErr5RequiresViolation, cstrcspnErr1RequiresViolation, cstrcspnErr3RequiresViolation, cstrcspnErr2RequiresViolation, cstrcspnErr8RequiresViolation, mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-11 09:56:48,783 INFO L82 PathProgramCache]: Analyzing trace with hash -1844792117, now seen corresponding path program 1 times [2018-04-11 09:56:48,783 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-11 09:56:48,783 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-11 09:56:48,784 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 09:56:48,784 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-11 09:56:48,784 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 09:56:48,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 09:56:48,797 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 09:56:48,819 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 09:56:48,819 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-11 09:56:48,819 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-04-11 09:56:48,820 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-04-11 09:56:48,820 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-04-11 09:56:48,820 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-04-11 09:56:48,820 INFO L87 Difference]: Start difference. First operand 53 states and 58 transitions. Second operand 4 states. [2018-04-11 09:56:48,860 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 09:56:48,860 INFO L93 Difference]: Finished difference Result 52 states and 57 transitions. [2018-04-11 09:56:48,862 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-04-11 09:56:48,862 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 14 [2018-04-11 09:56:48,863 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 09:56:48,863 INFO L225 Difference]: With dead ends: 52 [2018-04-11 09:56:48,863 INFO L226 Difference]: Without dead ends: 52 [2018-04-11 09:56:48,864 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 [2018-04-11 09:56:48,864 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52 states. [2018-04-11 09:56:48,867 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 52. [2018-04-11 09:56:48,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 52 states. [2018-04-11 09:56:48,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 57 transitions. [2018-04-11 09:56:48,868 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 57 transitions. Word has length 14 [2018-04-11 09:56:48,868 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 09:56:48,868 INFO L459 AbstractCegarLoop]: Abstraction has 52 states and 57 transitions. [2018-04-11 09:56:48,868 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-04-11 09:56:48,869 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 57 transitions. [2018-04-11 09:56:48,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-04-11 09:56:48,869 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 09:56:48,869 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 09:56:48,869 INFO L408 AbstractCegarLoop]: === Iteration 4 === [cstrcspnErr0RequiresViolation, cstrcspnErr9RequiresViolation, cstrcspnErr7RequiresViolation, cstrcspnErr4RequiresViolation, cstrcspnErr6RequiresViolation, cstrcspnErr5RequiresViolation, cstrcspnErr1RequiresViolation, cstrcspnErr3RequiresViolation, cstrcspnErr2RequiresViolation, cstrcspnErr8RequiresViolation, mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-11 09:56:48,869 INFO L82 PathProgramCache]: Analyzing trace with hash -1844792116, now seen corresponding path program 1 times [2018-04-11 09:56:48,870 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-11 09:56:48,870 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-11 09:56:48,871 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 09:56:48,871 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-11 09:56:48,871 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 09:56:48,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 09:56:48,882 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 09:56:48,932 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 09:56:48,932 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-11 09:56:48,933 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-04-11 09:56:48,933 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-04-11 09:56:48,933 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-04-11 09:56:48,933 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-04-11 09:56:48,933 INFO L87 Difference]: Start difference. First operand 52 states and 57 transitions. Second operand 5 states. [2018-04-11 09:56:48,964 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 09:56:48,964 INFO L93 Difference]: Finished difference Result 51 states and 56 transitions. [2018-04-11 09:56:48,964 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-04-11 09:56:48,964 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 14 [2018-04-11 09:56:48,965 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 09:56:48,965 INFO L225 Difference]: With dead ends: 51 [2018-04-11 09:56:48,965 INFO L226 Difference]: Without dead ends: 51 [2018-04-11 09:56:48,965 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 [2018-04-11 09:56:48,966 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states. [2018-04-11 09:56:48,968 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 51. [2018-04-11 09:56:48,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 51 states. [2018-04-11 09:56:48,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 56 transitions. [2018-04-11 09:56:48,969 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 56 transitions. Word has length 14 [2018-04-11 09:56:48,969 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 09:56:48,969 INFO L459 AbstractCegarLoop]: Abstraction has 51 states and 56 transitions. [2018-04-11 09:56:48,969 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-04-11 09:56:48,969 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 56 transitions. [2018-04-11 09:56:48,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-04-11 09:56:48,970 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 09:56:48,970 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 09:56:48,970 INFO L408 AbstractCegarLoop]: === Iteration 5 === [cstrcspnErr0RequiresViolation, cstrcspnErr9RequiresViolation, cstrcspnErr7RequiresViolation, cstrcspnErr4RequiresViolation, cstrcspnErr6RequiresViolation, cstrcspnErr5RequiresViolation, cstrcspnErr1RequiresViolation, cstrcspnErr3RequiresViolation, cstrcspnErr2RequiresViolation, cstrcspnErr8RequiresViolation, mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-11 09:56:48,970 INFO L82 PathProgramCache]: Analyzing trace with hash 1893487725, now seen corresponding path program 1 times [2018-04-11 09:56:48,970 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-11 09:56:48,970 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-11 09:56:48,971 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 09:56:48,971 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-11 09:56:48,971 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 09:56:48,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 09:56:48,980 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 09:56:49,004 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 09:56:49,005 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-11 09:56:49,005 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-04-11 09:56:49,005 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-04-11 09:56:49,005 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-04-11 09:56:49,005 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-04-11 09:56:49,006 INFO L87 Difference]: Start difference. First operand 51 states and 56 transitions. Second operand 5 states. [2018-04-11 09:56:49,044 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 09:56:49,044 INFO L93 Difference]: Finished difference Result 49 states and 54 transitions. [2018-04-11 09:56:49,044 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-04-11 09:56:49,044 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 18 [2018-04-11 09:56:49,044 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 09:56:49,044 INFO L225 Difference]: With dead ends: 49 [2018-04-11 09:56:49,045 INFO L226 Difference]: Without dead ends: 49 [2018-04-11 09:56:49,045 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 [2018-04-11 09:56:49,045 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2018-04-11 09:56:49,046 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 49. [2018-04-11 09:56:49,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 49 states. [2018-04-11 09:56:49,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 54 transitions. [2018-04-11 09:56:49,047 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 54 transitions. Word has length 18 [2018-04-11 09:56:49,047 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 09:56:49,047 INFO L459 AbstractCegarLoop]: Abstraction has 49 states and 54 transitions. [2018-04-11 09:56:49,047 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-04-11 09:56:49,047 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 54 transitions. [2018-04-11 09:56:49,047 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-04-11 09:56:49,047 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 09:56:49,048 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 09:56:49,048 INFO L408 AbstractCegarLoop]: === Iteration 6 === [cstrcspnErr0RequiresViolation, cstrcspnErr9RequiresViolation, cstrcspnErr7RequiresViolation, cstrcspnErr4RequiresViolation, cstrcspnErr6RequiresViolation, cstrcspnErr5RequiresViolation, cstrcspnErr1RequiresViolation, cstrcspnErr3RequiresViolation, cstrcspnErr2RequiresViolation, cstrcspnErr8RequiresViolation, mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-11 09:56:49,048 INFO L82 PathProgramCache]: Analyzing trace with hash 1893487726, now seen corresponding path program 1 times [2018-04-11 09:56:49,048 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-11 09:56:49,048 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-11 09:56:49,048 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 09:56:49,048 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-11 09:56:49,048 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 09:56:49,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 09:56:49,055 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 09:56:49,113 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 09:56:49,113 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-11 09:56:49,113 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-04-11 09:56:49,113 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-04-11 09:56:49,113 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-04-11 09:56:49,113 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2018-04-11 09:56:49,114 INFO L87 Difference]: Start difference. First operand 49 states and 54 transitions. Second operand 8 states. [2018-04-11 09:56:49,235 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 09:56:49,235 INFO L93 Difference]: Finished difference Result 73 states and 82 transitions. [2018-04-11 09:56:49,235 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-04-11 09:56:49,235 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 18 [2018-04-11 09:56:49,236 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 09:56:49,237 INFO L225 Difference]: With dead ends: 73 [2018-04-11 09:56:49,237 INFO L226 Difference]: Without dead ends: 73 [2018-04-11 09:56:49,238 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 [2018-04-11 09:56:49,238 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2018-04-11 09:56:49,239 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 53. [2018-04-11 09:56:49,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 53 states. [2018-04-11 09:56:49,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 59 transitions. [2018-04-11 09:56:49,240 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 59 transitions. Word has length 18 [2018-04-11 09:56:49,240 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 09:56:49,240 INFO L459 AbstractCegarLoop]: Abstraction has 53 states and 59 transitions. [2018-04-11 09:56:49,240 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-04-11 09:56:49,240 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 59 transitions. [2018-04-11 09:56:49,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-04-11 09:56:49,240 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 09:56:49,241 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] [2018-04-11 09:56:49,241 INFO L408 AbstractCegarLoop]: === Iteration 7 === [cstrcspnErr0RequiresViolation, cstrcspnErr9RequiresViolation, cstrcspnErr7RequiresViolation, cstrcspnErr4RequiresViolation, cstrcspnErr6RequiresViolation, cstrcspnErr5RequiresViolation, cstrcspnErr1RequiresViolation, cstrcspnErr3RequiresViolation, cstrcspnErr2RequiresViolation, cstrcspnErr8RequiresViolation, mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-11 09:56:49,241 INFO L82 PathProgramCache]: Analyzing trace with hash -894404631, now seen corresponding path program 1 times [2018-04-11 09:56:49,241 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-11 09:56:49,241 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-11 09:56:49,241 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 09:56:49,241 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-11 09:56:49,242 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 09:56:49,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 09:56:49,251 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 09:56:49,283 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 09:56:49,284 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-11 09:56:49,284 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-04-11 09:56:49,284 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-04-11 09:56:49,284 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-04-11 09:56:49,284 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-04-11 09:56:49,284 INFO L87 Difference]: Start difference. First operand 53 states and 59 transitions. Second operand 6 states. [2018-04-11 09:56:49,333 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 09:56:49,333 INFO L93 Difference]: Finished difference Result 53 states and 59 transitions. [2018-04-11 09:56:49,333 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-04-11 09:56:49,334 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 23 [2018-04-11 09:56:49,334 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 09:56:49,334 INFO L225 Difference]: With dead ends: 53 [2018-04-11 09:56:49,334 INFO L226 Difference]: Without dead ends: 53 [2018-04-11 09:56:49,334 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 [2018-04-11 09:56:49,335 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2018-04-11 09:56:49,336 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 50. [2018-04-11 09:56:49,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 50 states. [2018-04-11 09:56:49,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 56 transitions. [2018-04-11 09:56:49,337 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 56 transitions. Word has length 23 [2018-04-11 09:56:49,337 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 09:56:49,337 INFO L459 AbstractCegarLoop]: Abstraction has 50 states and 56 transitions. [2018-04-11 09:56:49,337 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-04-11 09:56:49,337 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 56 transitions. [2018-04-11 09:56:49,337 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-04-11 09:56:49,337 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 09:56:49,337 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] [2018-04-11 09:56:49,337 INFO L408 AbstractCegarLoop]: === Iteration 8 === [cstrcspnErr0RequiresViolation, cstrcspnErr9RequiresViolation, cstrcspnErr7RequiresViolation, cstrcspnErr4RequiresViolation, cstrcspnErr6RequiresViolation, cstrcspnErr5RequiresViolation, cstrcspnErr1RequiresViolation, cstrcspnErr3RequiresViolation, cstrcspnErr2RequiresViolation, cstrcspnErr8RequiresViolation, mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-11 09:56:49,337 INFO L82 PathProgramCache]: Analyzing trace with hash -894404630, now seen corresponding path program 1 times [2018-04-11 09:56:49,338 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-11 09:56:49,338 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-11 09:56:49,338 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 09:56:49,338 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-11 09:56:49,338 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 09:56:49,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 09:56:49,346 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 09:56:49,418 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 09:56:49,418 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-11 09:56:49,418 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-04-11 09:56:49,418 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-04-11 09:56:49,418 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-04-11 09:56:49,418 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2018-04-11 09:56:49,418 INFO L87 Difference]: Start difference. First operand 50 states and 56 transitions. Second operand 9 states. [2018-04-11 09:56:49,523 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 09:56:49,523 INFO L93 Difference]: Finished difference Result 67 states and 77 transitions. [2018-04-11 09:56:49,523 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-04-11 09:56:49,523 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 23 [2018-04-11 09:56:49,524 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 09:56:49,524 INFO L225 Difference]: With dead ends: 67 [2018-04-11 09:56:49,524 INFO L226 Difference]: Without dead ends: 67 [2018-04-11 09:56:49,525 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 [2018-04-11 09:56:49,525 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67 states. [2018-04-11 09:56:49,527 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67 to 58. [2018-04-11 09:56:49,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 58 states. [2018-04-11 09:56:49,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 58 states and 66 transitions. [2018-04-11 09:56:49,528 INFO L78 Accepts]: Start accepts. Automaton has 58 states and 66 transitions. Word has length 23 [2018-04-11 09:56:49,528 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 09:56:49,528 INFO L459 AbstractCegarLoop]: Abstraction has 58 states and 66 transitions. [2018-04-11 09:56:49,528 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-04-11 09:56:49,528 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 66 transitions. [2018-04-11 09:56:49,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-04-11 09:56:49,529 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 09:56:49,529 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] [2018-04-11 09:56:49,529 INFO L408 AbstractCegarLoop]: === Iteration 9 === [cstrcspnErr0RequiresViolation, cstrcspnErr9RequiresViolation, cstrcspnErr7RequiresViolation, cstrcspnErr4RequiresViolation, cstrcspnErr6RequiresViolation, cstrcspnErr5RequiresViolation, cstrcspnErr1RequiresViolation, cstrcspnErr3RequiresViolation, cstrcspnErr2RequiresViolation, cstrcspnErr8RequiresViolation, mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-11 09:56:49,529 INFO L82 PathProgramCache]: Analyzing trace with hash -1986095611, now seen corresponding path program 1 times [2018-04-11 09:56:49,530 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-11 09:56:49,530 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-11 09:56:49,531 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 09:56:49,531 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-11 09:56:49,531 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 09:56:49,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 09:56:49,545 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 09:56:49,623 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 09:56:49,623 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-11 09:56:49,623 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-04-11 09:56:49,623 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-04-11 09:56:49,624 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-04-11 09:56:49,624 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-04-11 09:56:49,624 INFO L87 Difference]: Start difference. First operand 58 states and 66 transitions. Second operand 6 states. [2018-04-11 09:56:49,713 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 09:56:49,714 INFO L93 Difference]: Finished difference Result 57 states and 65 transitions. [2018-04-11 09:56:49,714 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-04-11 09:56:49,714 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 28 [2018-04-11 09:56:49,714 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 09:56:49,715 INFO L225 Difference]: With dead ends: 57 [2018-04-11 09:56:49,715 INFO L226 Difference]: Without dead ends: 48 [2018-04-11 09:56:49,715 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 [2018-04-11 09:56:49,715 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48 states. [2018-04-11 09:56:49,717 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48 to 48. [2018-04-11 09:56:49,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 48 states. [2018-04-11 09:56:49,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 54 transitions. [2018-04-11 09:56:49,718 INFO L78 Accepts]: Start accepts. Automaton has 48 states and 54 transitions. Word has length 28 [2018-04-11 09:56:49,718 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 09:56:49,718 INFO L459 AbstractCegarLoop]: Abstraction has 48 states and 54 transitions. [2018-04-11 09:56:49,718 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-04-11 09:56:49,718 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 54 transitions. [2018-04-11 09:56:49,719 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-04-11 09:56:49,719 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 09:56:49,719 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] [2018-04-11 09:56:49,719 INFO L408 AbstractCegarLoop]: === Iteration 10 === [cstrcspnErr0RequiresViolation, cstrcspnErr9RequiresViolation, cstrcspnErr7RequiresViolation, cstrcspnErr4RequiresViolation, cstrcspnErr6RequiresViolation, cstrcspnErr5RequiresViolation, cstrcspnErr1RequiresViolation, cstrcspnErr3RequiresViolation, cstrcspnErr2RequiresViolation, cstrcspnErr8RequiresViolation, mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-11 09:56:49,720 INFO L82 PathProgramCache]: Analyzing trace with hash 55851358, now seen corresponding path program 1 times [2018-04-11 09:56:49,720 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-11 09:56:49,720 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-11 09:56:49,721 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 09:56:49,721 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-11 09:56:49,721 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 09:56:49,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 09:56:49,730 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 09:56:49,749 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 09:56:49,749 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-11 09:56:49,749 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-04-11 09:56:49,749 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-04-11 09:56:49,749 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-04-11 09:56:49,750 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-04-11 09:56:49,750 INFO L87 Difference]: Start difference. First operand 48 states and 54 transitions. Second operand 3 states. [2018-04-11 09:56:49,754 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 09:56:49,754 INFO L93 Difference]: Finished difference Result 50 states and 56 transitions. [2018-04-11 09:56:49,754 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-04-11 09:56:49,754 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 28 [2018-04-11 09:56:49,754 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 09:56:49,755 INFO L225 Difference]: With dead ends: 50 [2018-04-11 09:56:49,755 INFO L226 Difference]: Without dead ends: 50 [2018-04-11 09:56:49,755 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 [2018-04-11 09:56:49,755 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50 states. [2018-04-11 09:56:49,757 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 50. [2018-04-11 09:56:49,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 50 states. [2018-04-11 09:56:49,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 56 transitions. [2018-04-11 09:56:49,758 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 56 transitions. Word has length 28 [2018-04-11 09:56:49,758 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 09:56:49,758 INFO L459 AbstractCegarLoop]: Abstraction has 50 states and 56 transitions. [2018-04-11 09:56:49,758 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-04-11 09:56:49,758 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 56 transitions. [2018-04-11 09:56:49,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-04-11 09:56:49,759 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 09:56:49,759 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] [2018-04-11 09:56:49,759 INFO L408 AbstractCegarLoop]: === Iteration 11 === [cstrcspnErr0RequiresViolation, cstrcspnErr9RequiresViolation, cstrcspnErr7RequiresViolation, cstrcspnErr4RequiresViolation, cstrcspnErr6RequiresViolation, cstrcspnErr5RequiresViolation, cstrcspnErr1RequiresViolation, cstrcspnErr3RequiresViolation, cstrcspnErr2RequiresViolation, cstrcspnErr8RequiresViolation, mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-11 09:56:49,759 INFO L82 PathProgramCache]: Analyzing trace with hash 1951988481, now seen corresponding path program 1 times [2018-04-11 09:56:49,759 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-11 09:56:49,759 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-11 09:56:49,760 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 09:56:49,760 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-11 09:56:49,760 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 09:56:49,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 09:56:49,775 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 09:56:49,908 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-04-11 09:56:49,908 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-11 09:56:49,909 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2018-04-11 09:56:49,909 INFO L442 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-04-11 09:56:49,909 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-04-11 09:56:49,909 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2018-04-11 09:56:49,909 INFO L87 Difference]: Start difference. First operand 50 states and 56 transitions. Second operand 11 states. [2018-04-11 09:56:50,102 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 09:56:50,103 INFO L93 Difference]: Finished difference Result 62 states and 68 transitions. [2018-04-11 09:56:50,103 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-04-11 09:56:50,103 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 30 [2018-04-11 09:56:50,103 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 09:56:50,104 INFO L225 Difference]: With dead ends: 62 [2018-04-11 09:56:50,104 INFO L226 Difference]: Without dead ends: 50 [2018-04-11 09:56:50,104 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 [2018-04-11 09:56:50,104 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50 states. [2018-04-11 09:56:50,105 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 50. [2018-04-11 09:56:50,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 50 states. [2018-04-11 09:56:50,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 55 transitions. [2018-04-11 09:56:50,106 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 55 transitions. Word has length 30 [2018-04-11 09:56:50,106 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 09:56:50,106 INFO L459 AbstractCegarLoop]: Abstraction has 50 states and 55 transitions. [2018-04-11 09:56:50,106 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-04-11 09:56:50,107 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 55 transitions. [2018-04-11 09:56:50,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-04-11 09:56:50,107 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 09:56:50,107 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] [2018-04-11 09:56:50,107 INFO L408 AbstractCegarLoop]: === Iteration 12 === [cstrcspnErr0RequiresViolation, cstrcspnErr9RequiresViolation, cstrcspnErr7RequiresViolation, cstrcspnErr4RequiresViolation, cstrcspnErr6RequiresViolation, cstrcspnErr5RequiresViolation, cstrcspnErr1RequiresViolation, cstrcspnErr3RequiresViolation, cstrcspnErr2RequiresViolation, cstrcspnErr8RequiresViolation, mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-11 09:56:50,107 INFO L82 PathProgramCache]: Analyzing trace with hash 1817974975, now seen corresponding path program 1 times [2018-04-11 09:56:50,107 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-11 09:56:50,107 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-11 09:56:50,110 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 09:56:50,110 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-11 09:56:50,110 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 09:56:50,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 09:56:50,127 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 09:56:50,256 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 09:56:50,256 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-11 09:56:50,256 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2018-04-11 09:56:50,256 INFO L442 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-04-11 09:56:50,256 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-04-11 09:56:50,256 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2018-04-11 09:56:50,256 INFO L87 Difference]: Start difference. First operand 50 states and 55 transitions. Second operand 11 states. [2018-04-11 09:56:50,378 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 09:56:50,378 INFO L93 Difference]: Finished difference Result 77 states and 82 transitions. [2018-04-11 09:56:50,378 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-04-11 09:56:50,378 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 30 [2018-04-11 09:56:50,378 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 09:56:50,378 INFO L225 Difference]: With dead ends: 77 [2018-04-11 09:56:50,379 INFO L226 Difference]: Without dead ends: 77 [2018-04-11 09:56:50,379 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 [2018-04-11 09:56:50,379 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77 states. [2018-04-11 09:56:50,381 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77 to 75. [2018-04-11 09:56:50,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 75 states. [2018-04-11 09:56:50,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 82 transitions. [2018-04-11 09:56:50,382 INFO L78 Accepts]: Start accepts. Automaton has 75 states and 82 transitions. Word has length 30 [2018-04-11 09:56:50,382 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 09:56:50,382 INFO L459 AbstractCegarLoop]: Abstraction has 75 states and 82 transitions. [2018-04-11 09:56:50,383 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-04-11 09:56:50,383 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 82 transitions. [2018-04-11 09:56:50,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-04-11 09:56:50,383 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 09:56:50,384 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] [2018-04-11 09:56:50,384 INFO L408 AbstractCegarLoop]: === Iteration 13 === [cstrcspnErr0RequiresViolation, cstrcspnErr9RequiresViolation, cstrcspnErr7RequiresViolation, cstrcspnErr4RequiresViolation, cstrcspnErr6RequiresViolation, cstrcspnErr5RequiresViolation, cstrcspnErr1RequiresViolation, cstrcspnErr3RequiresViolation, cstrcspnErr2RequiresViolation, cstrcspnErr8RequiresViolation, mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-11 09:56:50,384 INFO L82 PathProgramCache]: Analyzing trace with hash 12536641, now seen corresponding path program 1 times [2018-04-11 09:56:50,384 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-11 09:56:50,384 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-11 09:56:50,385 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 09:56:50,385 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-11 09:56:50,385 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 09:56:50,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 09:56:50,395 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 09:56:50,552 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 09:56:50,553 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-04-11 09:56:50,553 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 [2018-04-11 09:56:50,559 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-11 09:56:50,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 09:56:50,591 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-11 09:56:50,633 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 [2018-04-11 09:56:50,639 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 [2018-04-11 09:56:50,639 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-11 09:56:50,642 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-11 09:56:50,651 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. [2018-04-11 09:56:50,651 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:25, output treesize:21 [2018-04-11 09:56:50,775 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 [2018-04-11 09:56:50,784 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 [2018-04-11 09:56:50,785 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 2 xjuncts. [2018-04-11 09:56:50,788 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-11 09:56:50,800 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2018-04-11 09:56:50,800 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:34, output treesize:33 [2018-04-11 09:56:50,883 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 09:56:50,906 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-11 09:56:50,907 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 10] total 19 [2018-04-11 09:56:50,907 INFO L442 AbstractCegarLoop]: Interpolant automaton has 20 states [2018-04-11 09:56:50,907 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2018-04-11 09:56:50,907 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=332, Unknown=0, NotChecked=0, Total=380 [2018-04-11 09:56:50,907 INFO L87 Difference]: Start difference. First operand 75 states and 82 transitions. Second operand 20 states. [2018-04-11 09:56:51,543 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 09:56:51,543 INFO L93 Difference]: Finished difference Result 103 states and 112 transitions. [2018-04-11 09:56:51,546 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-04-11 09:56:51,547 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 30 [2018-04-11 09:56:51,547 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 09:56:51,548 INFO L225 Difference]: With dead ends: 103 [2018-04-11 09:56:51,548 INFO L226 Difference]: Without dead ends: 103 [2018-04-11 09:56:51,549 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 [2018-04-11 09:56:51,549 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 103 states. [2018-04-11 09:56:51,551 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 103 to 82. [2018-04-11 09:56:51,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 82 states. [2018-04-11 09:56:51,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 82 states and 91 transitions. [2018-04-11 09:56:51,552 INFO L78 Accepts]: Start accepts. Automaton has 82 states and 91 transitions. Word has length 30 [2018-04-11 09:56:51,552 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 09:56:51,552 INFO L459 AbstractCegarLoop]: Abstraction has 82 states and 91 transitions. [2018-04-11 09:56:51,552 INFO L460 AbstractCegarLoop]: Interpolant automaton has 20 states. [2018-04-11 09:56:51,552 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 91 transitions. [2018-04-11 09:56:51,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-04-11 09:56:51,552 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 09:56:51,553 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] [2018-04-11 09:56:51,553 INFO L408 AbstractCegarLoop]: === Iteration 14 === [cstrcspnErr0RequiresViolation, cstrcspnErr9RequiresViolation, cstrcspnErr7RequiresViolation, cstrcspnErr4RequiresViolation, cstrcspnErr6RequiresViolation, cstrcspnErr5RequiresViolation, cstrcspnErr1RequiresViolation, cstrcspnErr3RequiresViolation, cstrcspnErr2RequiresViolation, cstrcspnErr8RequiresViolation, mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-11 09:56:51,553 INFO L82 PathProgramCache]: Analyzing trace with hash 1821776862, now seen corresponding path program 1 times [2018-04-11 09:56:51,553 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-11 09:56:51,553 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-11 09:56:51,553 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 09:56:51,553 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-11 09:56:51,553 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 09:56:51,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 09:56:51,564 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 09:56:51,739 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 09:56:51,739 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-04-11 09:56:51,740 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 [2018-04-11 09:56:51,744 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-11 09:56:51,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 09:56:51,758 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-11 09:56:51,761 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-04-11 09:56:51,761 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-11 09:56:51,763 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-11 09:56:51,763 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2018-04-11 09:56:51,783 INFO L700 Elim1Store]: detected not equals via solver [2018-04-11 09:56:51,784 INFO L700 Elim1Store]: detected not equals via solver [2018-04-11 09:56:51,784 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 [2018-04-11 09:56:51,784 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-11 09:56:51,786 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-11 09:56:51,786 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:14, output treesize:8 [2018-04-11 09:56:51,808 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 [2018-04-11 09:56:51,809 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 [2018-04-11 09:56:51,810 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-11 09:56:51,811 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-11 09:56:51,815 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. [2018-04-11 09:56:51,815 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:29, output treesize:25 [2018-04-11 09:56:51,842 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 [2018-04-11 09:56:51,844 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 [2018-04-11 09:56:51,844 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-11 09:56:51,848 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-11 09:56:51,854 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. [2018-04-11 09:56:51,854 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 5 variables, input treesize:39, output treesize:35 [2018-04-11 09:56:51,939 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 [2018-04-11 09:56:51,945 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 [2018-04-11 09:56:51,945 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 2 xjuncts. [2018-04-11 09:56:51,952 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 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 [2018-04-11 09:56:51,953 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-04-11 09:56:51,955 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-11 09:56:51,963 INFO L267 ElimStorePlain]: Start of recursive call 1: 5 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2018-04-11 09:56:51,963 INFO L202 ElimStorePlain]: Needed 4 recursive calls to eliminate 6 variables, input treesize:48, output treesize:33 [2018-04-11 09:56:52,009 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 09:56:52,028 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-11 09:56:52,028 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 13] total 22 [2018-04-11 09:56:52,028 INFO L442 AbstractCegarLoop]: Interpolant automaton has 23 states [2018-04-11 09:56:52,028 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2018-04-11 09:56:52,029 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=448, Unknown=0, NotChecked=0, Total=506 [2018-04-11 09:56:52,029 INFO L87 Difference]: Start difference. First operand 82 states and 91 transitions. Second operand 23 states. [2018-04-11 09:56:52,705 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 09:56:52,705 INFO L93 Difference]: Finished difference Result 170 states and 191 transitions. [2018-04-11 09:56:52,706 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-04-11 09:56:52,706 INFO L78 Accepts]: Start accepts. Automaton has 23 states. Word has length 31 [2018-04-11 09:56:52,706 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 09:56:52,707 INFO L225 Difference]: With dead ends: 170 [2018-04-11 09:56:52,707 INFO L226 Difference]: Without dead ends: 170 [2018-04-11 09:56:52,707 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 [2018-04-11 09:56:52,707 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 170 states. [2018-04-11 09:56:52,711 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 170 to 127. [2018-04-11 09:56:52,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 127 states. [2018-04-11 09:56:52,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 127 states and 145 transitions. [2018-04-11 09:56:52,712 INFO L78 Accepts]: Start accepts. Automaton has 127 states and 145 transitions. Word has length 31 [2018-04-11 09:56:52,712 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 09:56:52,712 INFO L459 AbstractCegarLoop]: Abstraction has 127 states and 145 transitions. [2018-04-11 09:56:52,712 INFO L460 AbstractCegarLoop]: Interpolant automaton has 23 states. [2018-04-11 09:56:52,712 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 145 transitions. [2018-04-11 09:56:52,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-04-11 09:56:52,713 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 09:56:52,713 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] [2018-04-11 09:56:52,713 INFO L408 AbstractCegarLoop]: === Iteration 15 === [cstrcspnErr0RequiresViolation, cstrcspnErr9RequiresViolation, cstrcspnErr7RequiresViolation, cstrcspnErr4RequiresViolation, cstrcspnErr6RequiresViolation, cstrcspnErr5RequiresViolation, cstrcspnErr1RequiresViolation, cstrcspnErr3RequiresViolation, cstrcspnErr2RequiresViolation, cstrcspnErr8RequiresViolation, mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-11 09:56:52,713 INFO L82 PathProgramCache]: Analyzing trace with hash -670234678, now seen corresponding path program 2 times [2018-04-11 09:56:52,713 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-11 09:56:52,713 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-11 09:56:52,714 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 09:56:52,714 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-11 09:56:52,714 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 09:56:52,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 09:56:52,727 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 09:56:53,044 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 09:56:53,044 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-04-11 09:56:53,044 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 [2018-04-11 09:56:53,056 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST1 [2018-04-11 09:56:53,077 INFO L242 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2018-04-11 09:56:53,077 INFO L243 tOrderPrioritization]: Conjunction of SSA is unsat [2018-04-11 09:56:53,080 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-11 09:56:53,082 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-04-11 09:56:53,083 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-11 09:56:53,086 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-11 09:56:53,086 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2018-04-11 09:56:53,128 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 [2018-04-11 09:56:53,129 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 [2018-04-11 09:56:53,129 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-11 09:56:53,130 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-11 09:56:53,134 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-11 09:56:53,134 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:23, output treesize:19 [2018-04-11 09:56:53,296 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 [2018-04-11 09:56:53,303 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 [2018-04-11 09:56:53,303 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 2 xjuncts. [2018-04-11 09:56:53,307 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-11 09:56:53,315 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 3 xjuncts. [2018-04-11 09:56:53,315 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:31, output treesize:33 [2018-04-11 09:56:53,456 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 2 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 09:56:53,482 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-11 09:56:53,483 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 13] total 23 [2018-04-11 09:56:53,483 INFO L442 AbstractCegarLoop]: Interpolant automaton has 24 states [2018-04-11 09:56:53,483 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2018-04-11 09:56:53,484 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=63, Invalid=489, Unknown=0, NotChecked=0, Total=552 [2018-04-11 09:56:53,484 INFO L87 Difference]: Start difference. First operand 127 states and 145 transitions. Second operand 24 states. [2018-04-11 09:56:54,276 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 09:56:54,276 INFO L93 Difference]: Finished difference Result 176 states and 191 transitions. [2018-04-11 09:56:54,276 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-04-11 09:56:54,276 INFO L78 Accepts]: Start accepts. Automaton has 24 states. Word has length 37 [2018-04-11 09:56:54,277 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 09:56:54,277 INFO L225 Difference]: With dead ends: 176 [2018-04-11 09:56:54,277 INFO L226 Difference]: Without dead ends: 176 [2018-04-11 09:56:54,278 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 [2018-04-11 09:56:54,278 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 176 states. [2018-04-11 09:56:54,281 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 176 to 92. [2018-04-11 09:56:54,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 92 states. [2018-04-11 09:56:54,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 92 states and 99 transitions. [2018-04-11 09:56:54,282 INFO L78 Accepts]: Start accepts. Automaton has 92 states and 99 transitions. Word has length 37 [2018-04-11 09:56:54,283 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 09:56:54,283 INFO L459 AbstractCegarLoop]: Abstraction has 92 states and 99 transitions. [2018-04-11 09:56:54,283 INFO L460 AbstractCegarLoop]: Interpolant automaton has 24 states. [2018-04-11 09:56:54,283 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 99 transitions. [2018-04-11 09:56:54,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-04-11 09:56:54,284 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 09:56:54,284 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] [2018-04-11 09:56:54,284 INFO L408 AbstractCegarLoop]: === Iteration 16 === [cstrcspnErr0RequiresViolation, cstrcspnErr9RequiresViolation, cstrcspnErr7RequiresViolation, cstrcspnErr4RequiresViolation, cstrcspnErr6RequiresViolation, cstrcspnErr5RequiresViolation, cstrcspnErr1RequiresViolation, cstrcspnErr3RequiresViolation, cstrcspnErr2RequiresViolation, cstrcspnErr8RequiresViolation, mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-11 09:56:54,284 INFO L82 PathProgramCache]: Analyzing trace with hash 903827564, now seen corresponding path program 2 times [2018-04-11 09:56:54,284 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-11 09:56:54,284 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-11 09:56:54,285 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 09:56:54,285 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-04-11 09:56:54,285 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 09:56:54,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 09:56:54,297 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 09:56:54,606 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 17 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 09:56:54,606 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-04-11 09:56:54,606 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 [2018-04-11 09:56:54,619 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST1 [2018-04-11 09:56:54,656 INFO L242 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2018-04-11 09:56:54,656 INFO L243 tOrderPrioritization]: Conjunction of SSA is unsat [2018-04-11 09:56:54,660 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-11 09:56:54,663 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-04-11 09:56:54,664 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-11 09:56:54,671 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-04-11 09:56:54,672 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-11 09:56:54,675 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-11 09:56:54,675 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:16, output treesize:14 [2018-04-11 09:56:54,706 INFO L700 Elim1Store]: detected not equals via solver [2018-04-11 09:56:54,707 INFO L700 Elim1Store]: detected not equals via solver [2018-04-11 09:56:54,707 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 [2018-04-11 09:56:54,707 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-11 09:56:54,716 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 [2018-04-11 09:56:54,716 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-11 09:56:54,720 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-11 09:56:54,720 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:25, output treesize:18 [2018-04-11 09:56:54,757 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 [2018-04-11 09:56:54,759 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 [2018-04-11 09:56:54,759 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-11 09:56:54,761 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-11 09:56:54,766 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-11 09:56:54,766 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:32, output treesize:28 [2018-04-11 09:56:54,817 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 [2018-04-11 09:56:54,820 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 [2018-04-11 09:56:54,820 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-11 09:56:54,830 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-11 09:56:54,835 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. [2018-04-11 09:56:54,836 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:39, output treesize:35 [2018-04-11 09:56:55,007 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 [2018-04-11 09:56:55,012 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 [2018-04-11 09:56:55,012 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 2 xjuncts. [2018-04-11 09:56:55,020 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 [2018-04-11 09:56:55,020 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-04-11 09:56:55,023 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-11 09:56:55,031 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2018-04-11 09:56:55,031 INFO L202 ElimStorePlain]: Needed 4 recursive calls to eliminate 4 variables, input treesize:54, output treesize:49 [2018-04-11 09:56:55,092 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 2 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 09:56:55,112 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-11 09:56:55,112 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 13] total 22 [2018-04-11 09:56:55,112 INFO L442 AbstractCegarLoop]: Interpolant automaton has 23 states [2018-04-11 09:56:55,112 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2018-04-11 09:56:55,113 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=456, Unknown=0, NotChecked=0, Total=506 [2018-04-11 09:56:55,113 INFO L87 Difference]: Start difference. First operand 92 states and 99 transitions. Second operand 23 states. [2018-04-11 09:57:02,840 WARN L151 SmtUtils]: Spent 3907ms on a formula simplification. DAG size of input: 48 DAG size of output 45 [2018-04-11 09:57:04,925 WARN L148 SmtUtils]: Spent 2011ms on a formula simplification that was a NOOP. DAG size: 46 [2018-04-11 09:57:06,177 WARN L151 SmtUtils]: Spent 1233ms on a formula simplification. DAG size of input: 54 DAG size of output 52 [2018-04-11 09:57:06,187 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 09:57:06,187 INFO L93 Difference]: Finished difference Result 117 states and 124 transitions. [2018-04-11 09:57:06,188 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2018-04-11 09:57:06,188 INFO L78 Accepts]: Start accepts. Automaton has 23 states. Word has length 44 [2018-04-11 09:57:06,188 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 09:57:06,188 INFO L225 Difference]: With dead ends: 117 [2018-04-11 09:57:06,188 INFO L226 Difference]: Without dead ends: 0 [2018-04-11 09:57:06,188 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 36 SyntacticMatches, 2 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 177 ImplicationChecksByTransitivity, 8.2s TimeCoverageRelationStatistics Valid=199, Invalid=1207, Unknown=0, NotChecked=0, Total=1406 [2018-04-11 09:57:06,188 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-04-11 09:57:06,188 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-04-11 09:57:06,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-04-11 09:57:06,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-04-11 09:57:06,189 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 44 [2018-04-11 09:57:06,189 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 09:57:06,189 INFO L459 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-04-11 09:57:06,189 INFO L460 AbstractCegarLoop]: Interpolant automaton has 23 states. [2018-04-11 09:57:06,189 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-04-11 09:57:06,189 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-04-11 09:57:06,192 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.04 09:57:06 BoogieIcfgContainer [2018-04-11 09:57:06,192 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-04-11 09:57:06,192 INFO L168 Benchmark]: Toolchain (without parser) took 18620.14 ms. Allocated memory was 397.9 MB in the beginning and 793.8 MB in the end (delta: 395.8 MB). Free memory was 331.8 MB in the beginning and 561.4 MB in the end (delta: -229.6 MB). Peak memory consumption was 166.2 MB. Max. memory is 5.3 GB. [2018-04-11 09:57:06,193 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 397.9 MB. Free memory is still 357.2 MB. There was no memory consumed. Max. memory is 5.3 GB. [2018-04-11 09:57:06,193 INFO L168 Benchmark]: CACSL2BoogieTranslator took 242.87 ms. Allocated memory is still 397.9 MB. Free memory was 330.4 MB in the beginning and 306.6 MB in the end (delta: 23.8 MB). Peak memory consumption was 23.8 MB. Max. memory is 5.3 GB. [2018-04-11 09:57:06,193 INFO L168 Benchmark]: Boogie Preprocessor took 36.23 ms. Allocated memory is still 397.9 MB. Free memory was 306.6 MB in the beginning and 303.9 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 5.3 GB. [2018-04-11 09:57:06,193 INFO L168 Benchmark]: RCFGBuilder took 403.14 ms. Allocated memory was 397.9 MB in the beginning and 607.1 MB in the end (delta: 209.2 MB). Free memory was 303.9 MB in the beginning and 539.6 MB in the end (delta: -235.6 MB). Peak memory consumption was 23.4 MB. Max. memory is 5.3 GB. [2018-04-11 09:57:06,194 INFO L168 Benchmark]: TraceAbstraction took 17935.05 ms. Allocated memory was 607.1 MB in the beginning and 793.8 MB in the end (delta: 186.6 MB). Free memory was 539.6 MB in the beginning and 561.4 MB in the end (delta: -21.8 MB). Peak memory consumption was 164.8 MB. Max. memory is 5.3 GB. [2018-04-11 09:57:06,194 INFO L344 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 397.9 MB. Free memory is still 357.2 MB. There was no memory consumed. Max. memory is 5.3 GB. * CACSL2BoogieTranslator took 242.87 ms. Allocated memory is still 397.9 MB. Free memory was 330.4 MB in the beginning and 306.6 MB in the end (delta: 23.8 MB). Peak memory consumption was 23.8 MB. Max. memory is 5.3 GB. * Boogie Preprocessor took 36.23 ms. Allocated memory is still 397.9 MB. Free memory was 306.6 MB in the beginning and 303.9 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 5.3 GB. * RCFGBuilder took 403.14 ms. Allocated memory was 397.9 MB in the beginning and 607.1 MB in the end (delta: 209.2 MB). Free memory was 303.9 MB in the beginning and 539.6 MB in the end (delta: -235.6 MB). Peak memory consumption was 23.4 MB. Max. memory is 5.3 GB. * TraceAbstraction took 17935.05 ms. Allocated memory was 607.1 MB in the beginning and 793.8 MB in the end (delta: 186.6 MB). Free memory was 539.6 MB in the beginning and 561.4 MB in the end (delta: -21.8 MB). Peak memory consumption was 164.8 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, 14.1s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 640 SDtfs, 1547 SDslu, 2751 SDs, 0 SdLazy, 2640 SolverSat, 176 SolverUnsat, 2 SolverUnknown, 0 SolverNotchecked, 4.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 344 GetRequests, 129 SyntacticMatches, 3 SemanticMatches, 212 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 735 ImplicationChecksByTransitivity, 11.3s 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, 3.0s 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-0-2018-04-11_09-57-06-199.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-0-2018-04-11_09-57-06-199.csv Received shutdown request...