java -Xmx6000000000 -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data ./data --generate-csv --csv-dir ../../../releaseScripts/default/UAutomizer-linux/csv --cacsl2boogietranslator.bitprecise.bitfields false -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/cade18-smtinterpol/svcomp-DerefFreeMemtrack-32bit-Automizer_SmtInterpol_Array.epf -i ../../../trunk/examples/svcomp/list-ext-properties/list-ext_false-unreach-call_false-valid-deref.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-666feb3-m [2018-04-11 13:41:37,946 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-04-11 13:41:37,948 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-04-11 13:41:37,958 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-04-11 13:41:37,958 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-04-11 13:41:37,959 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-04-11 13:41:37,960 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-04-11 13:41:37,962 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-04-11 13:41:37,963 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-04-11 13:41:37,964 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-04-11 13:41:37,965 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-04-11 13:41:37,965 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-04-11 13:41:37,966 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-04-11 13:41:37,967 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-04-11 13:41:37,968 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-04-11 13:41:37,969 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-04-11 13:41:37,971 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-04-11 13:41:37,972 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-04-11 13:41:37,973 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-04-11 13:41:37,974 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-04-11 13:41:37,976 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-04-11 13:41:37,976 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-04-11 13:41:37,976 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-04-11 13:41:37,977 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-04-11 13:41:37,978 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-04-11 13:41:37,979 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-04-11 13:41:37,979 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-04-11 13:41:37,980 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-04-11 13:41:37,980 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-04-11 13:41:37,980 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-04-11 13:41:37,981 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-04-11 13:41:37,981 INFO L98 SettingsManager]: Beginning loading settings from /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/cade18-smtinterpol/svcomp-DerefFreeMemtrack-32bit-Automizer_SmtInterpol_Array.epf [2018-04-11 13:41:38,002 INFO L110 SettingsManager]: Loading preferences was successful [2018-04-11 13:41:38,003 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-04-11 13:41:38,004 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-04-11 13:41:38,004 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-04-11 13:41:38,004 INFO L133 SettingsManager]: * Use SBE=true [2018-04-11 13:41:38,004 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-04-11 13:41:38,005 INFO L133 SettingsManager]: * sizeof long=4 [2018-04-11 13:41:38,005 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-04-11 13:41:38,005 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-04-11 13:41:38,005 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-04-11 13:41:38,005 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-04-11 13:41:38,005 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-04-11 13:41:38,006 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2018-04-11 13:41:38,006 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-04-11 13:41:38,006 INFO L133 SettingsManager]: * sizeof long double=12 [2018-04-11 13:41:38,006 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-04-11 13:41:38,006 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-04-11 13:41:38,006 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-04-11 13:41:38,007 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-04-11 13:41:38,007 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-04-11 13:41:38,007 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-04-11 13:41:38,007 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=Craig_TreeInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Bitprecise bitfields -> false [2018-04-11 13:41:38,038 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-04-11 13:41:38,050 INFO L266 ainManager$Toolchain]: [Toolchain 1]: Parser(s) successfully (re)initialized [2018-04-11 13:41:38,053 INFO L222 ainManager$Toolchain]: [Toolchain 1]: Toolchain data selected. [2018-04-11 13:41:38,054 INFO L271 PluginConnector]: Initializing CDTParser... [2018-04-11 13:41:38,055 INFO L276 PluginConnector]: CDTParser initialized [2018-04-11 13:41:38,056 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/list-ext-properties/list-ext_false-unreach-call_false-valid-deref.i [2018-04-11 13:41:38,427 INFO L225 CDTParser]: Created temporary CDT project at /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/data/FLAGb6d3661cb [2018-04-11 13:41:38,566 INFO L287 CDTParser]: IsIndexed: true [2018-04-11 13:41:38,566 INFO L288 CDTParser]: Found 1 translation units. [2018-04-11 13:41:38,567 INFO L168 CDTParser]: Scanning list-ext_false-unreach-call_false-valid-deref.i [2018-04-11 13:41:38,576 INFO L210 ultiparseSymbolTable]: Include resolver: [2018-04-11 13:41:38,576 INFO L215 ultiparseSymbolTable]: [2018-04-11 13:41:38,576 INFO L218 ultiparseSymbolTable]: Function table: [2018-04-11 13:41:38,577 INFO L221 ultiparseSymbolTable]: Function definition of __U_MULTI_flist_ext_false_unreach_call_false_valid_deref_i__exit ('exit') in list-ext_false-unreach-call_false-valid-deref.i [2018-04-11 13:41:38,577 INFO L221 ultiparseSymbolTable]: Function definition of null ('main') in list-ext_false-unreach-call_false-valid-deref.i [2018-04-11 13:41:38,577 INFO L227 ultiparseSymbolTable]: Global variable table: [2018-04-11 13:41:38,577 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flist_ext_false_unreach_call_false_valid_deref_i__fd_mask in list-ext_false-unreach-call_false-valid-deref.i [2018-04-11 13:41:38,577 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flist_ext_false_unreach_call_false_valid_deref_i____loff_t in list-ext_false-unreach-call_false-valid-deref.i [2018-04-11 13:41:38,577 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flist_ext_false_unreach_call_false_valid_deref_i____WAIT_STATUS in list-ext_false-unreach-call_false-valid-deref.i [2018-04-11 13:41:38,577 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flist_ext_false_unreach_call_false_valid_deref_i____sigset_t in list-ext_false-unreach-call_false-valid-deref.i [2018-04-11 13:41:38,577 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flist_ext_false_unreach_call_false_valid_deref_i____ino_t in list-ext_false-unreach-call_false-valid-deref.i [2018-04-11 13:41:38,577 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flist_ext_false_unreach_call_false_valid_deref_i____pid_t in list-ext_false-unreach-call_false-valid-deref.i [2018-04-11 13:41:38,577 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flist_ext_false_unreach_call_false_valid_deref_i__int64_t in list-ext_false-unreach-call_false-valid-deref.i [2018-04-11 13:41:38,578 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flist_ext_false_unreach_call_false_valid_deref_i__suseconds_t in list-ext_false-unreach-call_false-valid-deref.i [2018-04-11 13:41:38,578 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flist_ext_false_unreach_call_false_valid_deref_i____ino64_t in list-ext_false-unreach-call_false-valid-deref.i [2018-04-11 13:41:38,578 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flist_ext_false_unreach_call_false_valid_deref_i____quad_t in list-ext_false-unreach-call_false-valid-deref.i [2018-04-11 13:41:38,578 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flist_ext_false_unreach_call_false_valid_deref_i__u_long in list-ext_false-unreach-call_false-valid-deref.i [2018-04-11 13:41:38,578 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flist_ext_false_unreach_call_false_valid_deref_i__pthread_barrier_t in list-ext_false-unreach-call_false-valid-deref.i [2018-04-11 13:41:38,578 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flist_ext_false_unreach_call_false_valid_deref_i____off_t in list-ext_false-unreach-call_false-valid-deref.i [2018-04-11 13:41:38,578 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flist_ext_false_unreach_call_false_valid_deref_i____uint8_t in list-ext_false-unreach-call_false-valid-deref.i [2018-04-11 13:41:38,578 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flist_ext_false_unreach_call_false_valid_deref_i____fsid_t in list-ext_false-unreach-call_false-valid-deref.i [2018-04-11 13:41:38,578 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flist_ext_false_unreach_call_false_valid_deref_i____u_quad_t in list-ext_false-unreach-call_false-valid-deref.i [2018-04-11 13:41:38,579 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flist_ext_false_unreach_call_false_valid_deref_i____key_t in list-ext_false-unreach-call_false-valid-deref.i [2018-04-11 13:41:38,579 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flist_ext_false_unreach_call_false_valid_deref_i__ushort in list-ext_false-unreach-call_false-valid-deref.i [2018-04-11 13:41:38,579 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flist_ext_false_unreach_call_false_valid_deref_i__pthread_condattr_t in list-ext_false-unreach-call_false-valid-deref.i [2018-04-11 13:41:38,579 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flist_ext_false_unreach_call_false_valid_deref_i__u_int8_t in list-ext_false-unreach-call_false-valid-deref.i [2018-04-11 13:41:38,579 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flist_ext_false_unreach_call_false_valid_deref_i__loff_t in list-ext_false-unreach-call_false-valid-deref.i [2018-04-11 13:41:38,579 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flist_ext_false_unreach_call_false_valid_deref_i__pthread_rwlockattr_t in list-ext_false-unreach-call_false-valid-deref.i [2018-04-11 13:41:38,579 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flist_ext_false_unreach_call_false_valid_deref_i____uint16_t in list-ext_false-unreach-call_false-valid-deref.i [2018-04-11 13:41:38,579 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flist_ext_false_unreach_call_false_valid_deref_i__clock_t in list-ext_false-unreach-call_false-valid-deref.i [2018-04-11 13:41:38,579 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flist_ext_false_unreach_call_false_valid_deref_i____daddr_t in list-ext_false-unreach-call_false-valid-deref.i [2018-04-11 13:41:38,580 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flist_ext_false_unreach_call_false_valid_deref_i____clock_t in list-ext_false-unreach-call_false-valid-deref.i [2018-04-11 13:41:38,580 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flist_ext_false_unreach_call_false_valid_deref_i____gid_t in list-ext_false-unreach-call_false-valid-deref.i [2018-04-11 13:41:38,580 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flist_ext_false_unreach_call_false_valid_deref_i__clockid_t in list-ext_false-unreach-call_false-valid-deref.i [2018-04-11 13:41:38,580 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flist_ext_false_unreach_call_false_valid_deref_i__fsid_t in list-ext_false-unreach-call_false-valid-deref.i [2018-04-11 13:41:38,580 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flist_ext_false_unreach_call_false_valid_deref_i__daddr_t in list-ext_false-unreach-call_false-valid-deref.i [2018-04-11 13:41:38,580 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flist_ext_false_unreach_call_false_valid_deref_i____fd_mask in list-ext_false-unreach-call_false-valid-deref.i [2018-04-11 13:41:38,580 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flist_ext_false_unreach_call_false_valid_deref_i__pthread_t in list-ext_false-unreach-call_false-valid-deref.i [2018-04-11 13:41:38,580 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flist_ext_false_unreach_call_false_valid_deref_i__pthread_once_t in list-ext_false-unreach-call_false-valid-deref.i [2018-04-11 13:41:38,580 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flist_ext_false_unreach_call_false_valid_deref_i____fsblkcnt64_t in list-ext_false-unreach-call_false-valid-deref.i [2018-04-11 13:41:38,580 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flist_ext_false_unreach_call_false_valid_deref_i__pthread_attr_t in list-ext_false-unreach-call_false-valid-deref.i [2018-04-11 13:41:38,580 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flist_ext_false_unreach_call_false_valid_deref_i____pthread_list_t in list-ext_false-unreach-call_false-valid-deref.i [2018-04-11 13:41:38,581 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flist_ext_false_unreach_call_false_valid_deref_i____u_char in list-ext_false-unreach-call_false-valid-deref.i [2018-04-11 13:41:38,581 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flist_ext_false_unreach_call_false_valid_deref_i____caddr_t in list-ext_false-unreach-call_false-valid-deref.i [2018-04-11 13:41:38,581 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flist_ext_false_unreach_call_false_valid_deref_i__u_short in list-ext_false-unreach-call_false-valid-deref.i [2018-04-11 13:41:38,581 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flist_ext_false_unreach_call_false_valid_deref_i____off64_t in list-ext_false-unreach-call_false-valid-deref.i [2018-04-11 13:41:38,581 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flist_ext_false_unreach_call_false_valid_deref_i__ulong in list-ext_false-unreach-call_false-valid-deref.i [2018-04-11 13:41:38,581 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flist_ext_false_unreach_call_false_valid_deref_i__gid_t in list-ext_false-unreach-call_false-valid-deref.i [2018-04-11 13:41:38,581 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flist_ext_false_unreach_call_false_valid_deref_i____uint32_t in list-ext_false-unreach-call_false-valid-deref.i [2018-04-11 13:41:38,581 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flist_ext_false_unreach_call_false_valid_deref_i__lldiv_t in list-ext_false-unreach-call_false-valid-deref.i [2018-04-11 13:41:38,581 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flist_ext_false_unreach_call_false_valid_deref_i__wchar_t in list-ext_false-unreach-call_false-valid-deref.i [2018-04-11 13:41:38,581 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flist_ext_false_unreach_call_false_valid_deref_i____socklen_t in list-ext_false-unreach-call_false-valid-deref.i [2018-04-11 13:41:38,581 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flist_ext_false_unreach_call_false_valid_deref_i__uid_t in list-ext_false-unreach-call_false-valid-deref.i [2018-04-11 13:41:38,582 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flist_ext_false_unreach_call_false_valid_deref_i__int16_t in list-ext_false-unreach-call_false-valid-deref.i [2018-04-11 13:41:38,582 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flist_ext_false_unreach_call_false_valid_deref_i__List in list-ext_false-unreach-call_false-valid-deref.i [2018-04-11 13:41:38,582 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flist_ext_false_unreach_call_false_valid_deref_i____mode_t in list-ext_false-unreach-call_false-valid-deref.i [2018-04-11 13:41:38,582 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flist_ext_false_unreach_call_false_valid_deref_i__blksize_t in list-ext_false-unreach-call_false-valid-deref.i [2018-04-11 13:41:38,582 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flist_ext_false_unreach_call_false_valid_deref_i__u_char in list-ext_false-unreach-call_false-valid-deref.i [2018-04-11 13:41:38,582 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flist_ext_false_unreach_call_false_valid_deref_i__pthread_spinlock_t in list-ext_false-unreach-call_false-valid-deref.i [2018-04-11 13:41:38,582 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flist_ext_false_unreach_call_false_valid_deref_i__div_t in list-ext_false-unreach-call_false-valid-deref.i [2018-04-11 13:41:38,582 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flist_ext_false_unreach_call_false_valid_deref_i__blkcnt_t in list-ext_false-unreach-call_false-valid-deref.i [2018-04-11 13:41:38,582 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flist_ext_false_unreach_call_false_valid_deref_i____u_long in list-ext_false-unreach-call_false-valid-deref.i [2018-04-11 13:41:38,582 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flist_ext_false_unreach_call_false_valid_deref_i__quad_t in list-ext_false-unreach-call_false-valid-deref.i [2018-04-11 13:41:38,583 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flist_ext_false_unreach_call_false_valid_deref_i____clockid_t in list-ext_false-unreach-call_false-valid-deref.i [2018-04-11 13:41:38,583 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flist_ext_false_unreach_call_false_valid_deref_i____int16_t in list-ext_false-unreach-call_false-valid-deref.i [2018-04-11 13:41:38,583 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flist_ext_false_unreach_call_false_valid_deref_i__off_t in list-ext_false-unreach-call_false-valid-deref.i [2018-04-11 13:41:38,583 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flist_ext_false_unreach_call_false_valid_deref_i__u_int16_t in list-ext_false-unreach-call_false-valid-deref.i [2018-04-11 13:41:38,583 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flist_ext_false_unreach_call_false_valid_deref_i____intptr_t in list-ext_false-unreach-call_false-valid-deref.i [2018-04-11 13:41:38,583 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flist_ext_false_unreach_call_false_valid_deref_i__pthread_cond_t in list-ext_false-unreach-call_false-valid-deref.i [2018-04-11 13:41:38,583 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flist_ext_false_unreach_call_false_valid_deref_i__size_t in list-ext_false-unreach-call_false-valid-deref.i [2018-04-11 13:41:38,583 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flist_ext_false_unreach_call_false_valid_deref_i____fsfilcnt_t in list-ext_false-unreach-call_false-valid-deref.i [2018-04-11 13:41:38,583 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flist_ext_false_unreach_call_false_valid_deref_i__key_t in list-ext_false-unreach-call_false-valid-deref.i [2018-04-11 13:41:38,583 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flist_ext_false_unreach_call_false_valid_deref_i__pthread_mutex_t in list-ext_false-unreach-call_false-valid-deref.i [2018-04-11 13:41:38,583 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flist_ext_false_unreach_call_false_valid_deref_i__u_int in list-ext_false-unreach-call_false-valid-deref.i [2018-04-11 13:41:38,584 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flist_ext_false_unreach_call_false_valid_deref_i____rlim_t in list-ext_false-unreach-call_false-valid-deref.i [2018-04-11 13:41:38,584 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flist_ext_false_unreach_call_false_valid_deref_i____timer_t in list-ext_false-unreach-call_false-valid-deref.i [2018-04-11 13:41:38,584 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flist_ext_false_unreach_call_false_valid_deref_i__caddr_t in list-ext_false-unreach-call_false-valid-deref.i [2018-04-11 13:41:38,584 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flist_ext_false_unreach_call_false_valid_deref_i____u_short in list-ext_false-unreach-call_false-valid-deref.i [2018-04-11 13:41:38,584 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flist_ext_false_unreach_call_false_valid_deref_i__pthread_mutexattr_t in list-ext_false-unreach-call_false-valid-deref.i [2018-04-11 13:41:38,584 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flist_ext_false_unreach_call_false_valid_deref_i__mode_t in list-ext_false-unreach-call_false-valid-deref.i [2018-04-11 13:41:38,584 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flist_ext_false_unreach_call_false_valid_deref_i__int8_t in list-ext_false-unreach-call_false-valid-deref.i [2018-04-11 13:41:38,584 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flist_ext_false_unreach_call_false_valid_deref_i__fsfilcnt_t in list-ext_false-unreach-call_false-valid-deref.i [2018-04-11 13:41:38,584 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flist_ext_false_unreach_call_false_valid_deref_i____time_t in list-ext_false-unreach-call_false-valid-deref.i [2018-04-11 13:41:38,584 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flist_ext_false_unreach_call_false_valid_deref_i____suseconds_t in list-ext_false-unreach-call_false-valid-deref.i [2018-04-11 13:41:38,584 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flist_ext_false_unreach_call_false_valid_deref_i____blkcnt64_t in list-ext_false-unreach-call_false-valid-deref.i [2018-04-11 13:41:38,584 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flist_ext_false_unreach_call_false_valid_deref_i__u_int64_t in list-ext_false-unreach-call_false-valid-deref.i [2018-04-11 13:41:38,584 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flist_ext_false_unreach_call_false_valid_deref_i__fd_set in list-ext_false-unreach-call_false-valid-deref.i [2018-04-11 13:41:38,584 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flist_ext_false_unreach_call_false_valid_deref_i__pid_t in list-ext_false-unreach-call_false-valid-deref.i [2018-04-11 13:41:38,584 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flist_ext_false_unreach_call_false_valid_deref_i__fsblkcnt_t in list-ext_false-unreach-call_false-valid-deref.i [2018-04-11 13:41:38,584 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flist_ext_false_unreach_call_false_valid_deref_i__int32_t in list-ext_false-unreach-call_false-valid-deref.i [2018-04-11 13:41:38,584 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flist_ext_false_unreach_call_false_valid_deref_i____ssize_t in list-ext_false-unreach-call_false-valid-deref.i [2018-04-11 13:41:38,585 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flist_ext_false_unreach_call_false_valid_deref_i____nlink_t in list-ext_false-unreach-call_false-valid-deref.i [2018-04-11 13:41:38,585 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flist_ext_false_unreach_call_false_valid_deref_i____qaddr_t in list-ext_false-unreach-call_false-valid-deref.i [2018-04-11 13:41:38,585 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flist_ext_false_unreach_call_false_valid_deref_i____rlim64_t in list-ext_false-unreach-call_false-valid-deref.i [2018-04-11 13:41:38,585 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flist_ext_false_unreach_call_false_valid_deref_i____int8_t in list-ext_false-unreach-call_false-valid-deref.i [2018-04-11 13:41:38,585 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flist_ext_false_unreach_call_false_valid_deref_i____int32_t in list-ext_false-unreach-call_false-valid-deref.i [2018-04-11 13:41:38,585 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flist_ext_false_unreach_call_false_valid_deref_i____dev_t in list-ext_false-unreach-call_false-valid-deref.i [2018-04-11 13:41:38,585 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flist_ext_false_unreach_call_false_valid_deref_i____blksize_t in list-ext_false-unreach-call_false-valid-deref.i [2018-04-11 13:41:38,585 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flist_ext_false_unreach_call_false_valid_deref_i__timer_t in list-ext_false-unreach-call_false-valid-deref.i [2018-04-11 13:41:38,585 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flist_ext_false_unreach_call_false_valid_deref_i____id_t in list-ext_false-unreach-call_false-valid-deref.i [2018-04-11 13:41:38,585 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flist_ext_false_unreach_call_false_valid_deref_i__u_int32_t in list-ext_false-unreach-call_false-valid-deref.i [2018-04-11 13:41:38,585 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flist_ext_false_unreach_call_false_valid_deref_i____uint64_t in list-ext_false-unreach-call_false-valid-deref.i [2018-04-11 13:41:38,586 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flist_ext_false_unreach_call_false_valid_deref_i____sig_atomic_t in list-ext_false-unreach-call_false-valid-deref.i [2018-04-11 13:41:38,586 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flist_ext_false_unreach_call_false_valid_deref_i__pthread_barrierattr_t in list-ext_false-unreach-call_false-valid-deref.i [2018-04-11 13:41:38,586 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flist_ext_false_unreach_call_false_valid_deref_i__register_t in list-ext_false-unreach-call_false-valid-deref.i [2018-04-11 13:41:38,586 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flist_ext_false_unreach_call_false_valid_deref_i__sigset_t in list-ext_false-unreach-call_false-valid-deref.i [2018-04-11 13:41:38,586 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flist_ext_false_unreach_call_false_valid_deref_i____int64_t in list-ext_false-unreach-call_false-valid-deref.i [2018-04-11 13:41:38,586 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flist_ext_false_unreach_call_false_valid_deref_i____swblk_t in list-ext_false-unreach-call_false-valid-deref.i [2018-04-11 13:41:38,586 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flist_ext_false_unreach_call_false_valid_deref_i____uid_t in list-ext_false-unreach-call_false-valid-deref.i [2018-04-11 13:41:38,586 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flist_ext_false_unreach_call_false_valid_deref_i__nlink_t in list-ext_false-unreach-call_false-valid-deref.i [2018-04-11 13:41:38,586 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flist_ext_false_unreach_call_false_valid_deref_i__u_quad_t in list-ext_false-unreach-call_false-valid-deref.i [2018-04-11 13:41:38,586 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flist_ext_false_unreach_call_false_valid_deref_i__uint in list-ext_false-unreach-call_false-valid-deref.i [2018-04-11 13:41:38,587 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flist_ext_false_unreach_call_false_valid_deref_i__ssize_t in list-ext_false-unreach-call_false-valid-deref.i [2018-04-11 13:41:38,587 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flist_ext_false_unreach_call_false_valid_deref_i____useconds_t in list-ext_false-unreach-call_false-valid-deref.i [2018-04-11 13:41:38,587 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flist_ext_false_unreach_call_false_valid_deref_i__id_t in list-ext_false-unreach-call_false-valid-deref.i [2018-04-11 13:41:38,587 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flist_ext_false_unreach_call_false_valid_deref_i____fsfilcnt64_t in list-ext_false-unreach-call_false-valid-deref.i [2018-04-11 13:41:38,587 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flist_ext_false_unreach_call_false_valid_deref_i__ldiv_t in list-ext_false-unreach-call_false-valid-deref.i [2018-04-11 13:41:38,587 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flist_ext_false_unreach_call_false_valid_deref_i____u_int in list-ext_false-unreach-call_false-valid-deref.i [2018-04-11 13:41:38,587 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flist_ext_false_unreach_call_false_valid_deref_i__ino_t in list-ext_false-unreach-call_false-valid-deref.i [2018-04-11 13:41:38,587 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flist_ext_false_unreach_call_false_valid_deref_i__dev_t in list-ext_false-unreach-call_false-valid-deref.i [2018-04-11 13:41:38,587 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flist_ext_false_unreach_call_false_valid_deref_i__pthread_key_t in list-ext_false-unreach-call_false-valid-deref.i [2018-04-11 13:41:38,587 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flist_ext_false_unreach_call_false_valid_deref_i____fsblkcnt_t in list-ext_false-unreach-call_false-valid-deref.i [2018-04-11 13:41:38,588 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flist_ext_false_unreach_call_false_valid_deref_i__time_t in list-ext_false-unreach-call_false-valid-deref.i [2018-04-11 13:41:38,588 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flist_ext_false_unreach_call_false_valid_deref_i__pthread_rwlock_t in list-ext_false-unreach-call_false-valid-deref.i [2018-04-11 13:41:38,588 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flist_ext_false_unreach_call_false_valid_deref_i____blkcnt_t in list-ext_false-unreach-call_false-valid-deref.i [2018-04-11 13:41:38,602 INFO L330 CDTParser]: Deleted temporary CDT project at /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/data/FLAGb6d3661cb [2018-04-11 13:41:38,605 INFO L304 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-04-11 13:41:38,606 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-04-11 13:41:38,607 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-04-11 13:41:38,607 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-04-11 13:41:38,611 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-04-11 13:41:38,611 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.04 01:41:38" (1/1) ... [2018-04-11 13:41:38,613 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@76776cbf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 01:41:38, skipping insertion in model container [2018-04-11 13:41:38,613 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.04 01:41:38" (1/1) ... [2018-04-11 13:41:38,625 INFO L167 Dispatcher]: Using SV-COMP mode [2018-04-11 13:41:38,649 INFO L167 Dispatcher]: Using SV-COMP mode [2018-04-11 13:41:38,773 INFO L175 PostProcessor]: Settings: Checked method=main [2018-04-11 13:41:38,812 INFO L175 PostProcessor]: Settings: Checked method=main [2018-04-11 13:41:38,818 INFO L100 SccComputation]: Graph consists of 0 InCaSumBalls and 113 non ball SCCs. Number of states in SCCs 113. [2018-04-11 13:41:38,849 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 01:41:38 WrapperNode [2018-04-11 13:41:38,849 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-04-11 13:41:38,849 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-04-11 13:41:38,849 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-04-11 13:41:38,850 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-04-11 13:41:38,859 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 01:41:38" (1/1) ... [2018-04-11 13:41:38,859 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 01:41:38" (1/1) ... [2018-04-11 13:41:38,871 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 01:41:38" (1/1) ... [2018-04-11 13:41:38,871 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 01:41:38" (1/1) ... [2018-04-11 13:41:38,882 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 01:41:38" (1/1) ... [2018-04-11 13:41:38,888 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 01:41:38" (1/1) ... [2018-04-11 13:41:38,890 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 01:41:38" (1/1) ... [2018-04-11 13:41:38,894 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-04-11 13:41:38,895 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-04-11 13:41:38,895 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-04-11 13:41:38,895 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-04-11 13:41:38,896 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 01:41:38" (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 13:41:38,982 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-04-11 13:41:38,982 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-04-11 13:41:38,982 INFO L136 BoogieDeclarations]: Found implementation of procedure __U_MULTI_flist_ext_false_unreach_call_false_valid_deref_i__exit [2018-04-11 13:41:38,982 INFO L136 BoogieDeclarations]: Found implementation of procedure main [2018-04-11 13:41:38,983 INFO L128 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-04-11 13:41:38,983 INFO L128 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-04-11 13:41:38,983 INFO L128 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2018-04-11 13:41:38,983 INFO L128 BoogieDeclarations]: Found specification of procedure atof [2018-04-11 13:41:38,983 INFO L128 BoogieDeclarations]: Found specification of procedure atoi [2018-04-11 13:41:38,983 INFO L128 BoogieDeclarations]: Found specification of procedure atol [2018-04-11 13:41:38,983 INFO L128 BoogieDeclarations]: Found specification of procedure atoll [2018-04-11 13:41:38,983 INFO L128 BoogieDeclarations]: Found specification of procedure strtod [2018-04-11 13:41:38,983 INFO L128 BoogieDeclarations]: Found specification of procedure strtof [2018-04-11 13:41:38,983 INFO L128 BoogieDeclarations]: Found specification of procedure strtold [2018-04-11 13:41:38,983 INFO L128 BoogieDeclarations]: Found specification of procedure strtol [2018-04-11 13:41:38,983 INFO L128 BoogieDeclarations]: Found specification of procedure strtoul [2018-04-11 13:41:38,983 INFO L128 BoogieDeclarations]: Found specification of procedure strtoq [2018-04-11 13:41:38,984 INFO L128 BoogieDeclarations]: Found specification of procedure strtouq [2018-04-11 13:41:38,984 INFO L128 BoogieDeclarations]: Found specification of procedure strtoll [2018-04-11 13:41:38,984 INFO L128 BoogieDeclarations]: Found specification of procedure strtoull [2018-04-11 13:41:38,984 INFO L128 BoogieDeclarations]: Found specification of procedure l64a [2018-04-11 13:41:38,984 INFO L128 BoogieDeclarations]: Found specification of procedure a64l [2018-04-11 13:41:38,984 INFO L128 BoogieDeclarations]: Found specification of procedure select [2018-04-11 13:41:38,984 INFO L128 BoogieDeclarations]: Found specification of procedure pselect [2018-04-11 13:41:38,984 INFO L128 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2018-04-11 13:41:38,985 INFO L128 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2018-04-11 13:41:38,985 INFO L128 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2018-04-11 13:41:38,985 INFO L128 BoogieDeclarations]: Found specification of procedure random [2018-04-11 13:41:38,985 INFO L128 BoogieDeclarations]: Found specification of procedure srandom [2018-04-11 13:41:38,985 INFO L128 BoogieDeclarations]: Found specification of procedure initstate [2018-04-11 13:41:38,985 INFO L128 BoogieDeclarations]: Found specification of procedure setstate [2018-04-11 13:41:38,985 INFO L128 BoogieDeclarations]: Found specification of procedure random_r [2018-04-11 13:41:38,985 INFO L128 BoogieDeclarations]: Found specification of procedure srandom_r [2018-04-11 13:41:38,985 INFO L128 BoogieDeclarations]: Found specification of procedure initstate_r [2018-04-11 13:41:38,986 INFO L128 BoogieDeclarations]: Found specification of procedure setstate_r [2018-04-11 13:41:38,986 INFO L128 BoogieDeclarations]: Found specification of procedure rand [2018-04-11 13:41:38,986 INFO L128 BoogieDeclarations]: Found specification of procedure srand [2018-04-11 13:41:38,986 INFO L128 BoogieDeclarations]: Found specification of procedure rand_r [2018-04-11 13:41:38,986 INFO L128 BoogieDeclarations]: Found specification of procedure drand48 [2018-04-11 13:41:38,986 INFO L128 BoogieDeclarations]: Found specification of procedure erand48 [2018-04-11 13:41:38,986 INFO L128 BoogieDeclarations]: Found specification of procedure lrand48 [2018-04-11 13:41:38,986 INFO L128 BoogieDeclarations]: Found specification of procedure nrand48 [2018-04-11 13:41:38,986 INFO L128 BoogieDeclarations]: Found specification of procedure mrand48 [2018-04-11 13:41:38,987 INFO L128 BoogieDeclarations]: Found specification of procedure jrand48 [2018-04-11 13:41:38,987 INFO L128 BoogieDeclarations]: Found specification of procedure srand48 [2018-04-11 13:41:38,987 INFO L128 BoogieDeclarations]: Found specification of procedure seed48 [2018-04-11 13:41:38,987 INFO L128 BoogieDeclarations]: Found specification of procedure lcong48 [2018-04-11 13:41:38,987 INFO L128 BoogieDeclarations]: Found specification of procedure drand48_r [2018-04-11 13:41:38,987 INFO L128 BoogieDeclarations]: Found specification of procedure erand48_r [2018-04-11 13:41:38,987 INFO L128 BoogieDeclarations]: Found specification of procedure lrand48_r [2018-04-11 13:41:38,987 INFO L128 BoogieDeclarations]: Found specification of procedure nrand48_r [2018-04-11 13:41:38,987 INFO L128 BoogieDeclarations]: Found specification of procedure mrand48_r [2018-04-11 13:41:38,988 INFO L128 BoogieDeclarations]: Found specification of procedure jrand48_r [2018-04-11 13:41:38,988 INFO L128 BoogieDeclarations]: Found specification of procedure srand48_r [2018-04-11 13:41:38,988 INFO L128 BoogieDeclarations]: Found specification of procedure seed48_r [2018-04-11 13:41:38,988 INFO L128 BoogieDeclarations]: Found specification of procedure lcong48_r [2018-04-11 13:41:38,988 INFO L128 BoogieDeclarations]: Found specification of procedure malloc [2018-04-11 13:41:38,988 INFO L128 BoogieDeclarations]: Found specification of procedure calloc [2018-04-11 13:41:38,988 INFO L128 BoogieDeclarations]: Found specification of procedure realloc [2018-04-11 13:41:38,988 INFO L128 BoogieDeclarations]: Found specification of procedure free [2018-04-11 13:41:38,989 INFO L128 BoogieDeclarations]: Found specification of procedure cfree [2018-04-11 13:41:38,989 INFO L128 BoogieDeclarations]: Found specification of procedure alloca [2018-04-11 13:41:38,989 INFO L128 BoogieDeclarations]: Found specification of procedure valloc [2018-04-11 13:41:38,989 INFO L128 BoogieDeclarations]: Found specification of procedure posix_memalign [2018-04-11 13:41:38,989 INFO L128 BoogieDeclarations]: Found specification of procedure abort [2018-04-11 13:41:38,989 INFO L128 BoogieDeclarations]: Found specification of procedure atexit [2018-04-11 13:41:38,989 INFO L128 BoogieDeclarations]: Found specification of procedure on_exit [2018-04-11 13:41:38,989 INFO L128 BoogieDeclarations]: Found specification of procedure __U_MULTI_flist_ext_false_unreach_call_false_valid_deref_i__exit [2018-04-11 13:41:38,989 INFO L128 BoogieDeclarations]: Found specification of procedure _Exit [2018-04-11 13:41:38,989 INFO L128 BoogieDeclarations]: Found specification of procedure getenv [2018-04-11 13:41:38,990 INFO L128 BoogieDeclarations]: Found specification of procedure __secure_getenv [2018-04-11 13:41:38,990 INFO L128 BoogieDeclarations]: Found specification of procedure putenv [2018-04-11 13:41:38,990 INFO L128 BoogieDeclarations]: Found specification of procedure setenv [2018-04-11 13:41:38,990 INFO L128 BoogieDeclarations]: Found specification of procedure unsetenv [2018-04-11 13:41:38,990 INFO L128 BoogieDeclarations]: Found specification of procedure clearenv [2018-04-11 13:41:38,990 INFO L128 BoogieDeclarations]: Found specification of procedure mktemp [2018-04-11 13:41:38,990 INFO L128 BoogieDeclarations]: Found specification of procedure mkstemp [2018-04-11 13:41:38,990 INFO L128 BoogieDeclarations]: Found specification of procedure mkstemps [2018-04-11 13:41:38,990 INFO L128 BoogieDeclarations]: Found specification of procedure mkdtemp [2018-04-11 13:41:38,991 INFO L128 BoogieDeclarations]: Found specification of procedure system [2018-04-11 13:41:38,991 INFO L128 BoogieDeclarations]: Found specification of procedure realpath [2018-04-11 13:41:38,991 INFO L128 BoogieDeclarations]: Found specification of procedure bsearch [2018-04-11 13:41:38,991 INFO L128 BoogieDeclarations]: Found specification of procedure qsort [2018-04-11 13:41:38,991 INFO L128 BoogieDeclarations]: Found specification of procedure abs [2018-04-11 13:41:38,991 INFO L128 BoogieDeclarations]: Found specification of procedure labs [2018-04-11 13:41:38,991 INFO L128 BoogieDeclarations]: Found specification of procedure llabs [2018-04-11 13:41:38,991 INFO L128 BoogieDeclarations]: Found specification of procedure div [2018-04-11 13:41:38,991 INFO L128 BoogieDeclarations]: Found specification of procedure ldiv [2018-04-11 13:41:38,991 INFO L128 BoogieDeclarations]: Found specification of procedure lldiv [2018-04-11 13:41:38,992 INFO L128 BoogieDeclarations]: Found specification of procedure ecvt [2018-04-11 13:41:38,992 INFO L128 BoogieDeclarations]: Found specification of procedure fcvt [2018-04-11 13:41:38,992 INFO L128 BoogieDeclarations]: Found specification of procedure gcvt [2018-04-11 13:41:38,992 INFO L128 BoogieDeclarations]: Found specification of procedure qecvt [2018-04-11 13:41:38,992 INFO L128 BoogieDeclarations]: Found specification of procedure qfcvt [2018-04-11 13:41:38,992 INFO L128 BoogieDeclarations]: Found specification of procedure qgcvt [2018-04-11 13:41:38,992 INFO L128 BoogieDeclarations]: Found specification of procedure ecvt_r [2018-04-11 13:41:38,992 INFO L128 BoogieDeclarations]: Found specification of procedure fcvt_r [2018-04-11 13:41:38,992 INFO L128 BoogieDeclarations]: Found specification of procedure qecvt_r [2018-04-11 13:41:38,992 INFO L128 BoogieDeclarations]: Found specification of procedure qfcvt_r [2018-04-11 13:41:38,993 INFO L128 BoogieDeclarations]: Found specification of procedure mblen [2018-04-11 13:41:38,993 INFO L128 BoogieDeclarations]: Found specification of procedure mbtowc [2018-04-11 13:41:38,993 INFO L128 BoogieDeclarations]: Found specification of procedure wctomb [2018-04-11 13:41:38,993 INFO L128 BoogieDeclarations]: Found specification of procedure mbstowcs [2018-04-11 13:41:38,993 INFO L128 BoogieDeclarations]: Found specification of procedure wcstombs [2018-04-11 13:41:38,993 INFO L128 BoogieDeclarations]: Found specification of procedure rpmatch [2018-04-11 13:41:38,993 INFO L128 BoogieDeclarations]: Found specification of procedure getsubopt [2018-04-11 13:41:38,993 INFO L128 BoogieDeclarations]: Found specification of procedure getloadavg [2018-04-11 13:41:38,993 INFO L128 BoogieDeclarations]: Found specification of procedure main [2018-04-11 13:41:38,993 INFO L128 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-04-11 13:41:38,993 INFO L128 BoogieDeclarations]: Found specification of procedure write~int [2018-04-11 13:41:38,994 INFO L128 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2018-04-11 13:41:38,994 INFO L128 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2018-04-11 13:41:38,994 INFO L128 BoogieDeclarations]: Found specification of procedure read~int [2018-04-11 13:41:38,994 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-04-11 13:41:38,994 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-04-11 13:41:38,994 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-04-11 13:41:38,994 INFO L128 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2018-04-11 13:41:39,364 INFO L259 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-04-11 13:41:39,364 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.04 01:41:39 BoogieIcfgContainer [2018-04-11 13:41:39,364 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-04-11 13:41:39,365 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-04-11 13:41:39,365 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-04-11 13:41:39,367 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-04-11 13:41:39,367 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.04 01:41:38" (1/3) ... [2018-04-11 13:41:39,368 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@690ee079 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.04 01:41:39, skipping insertion in model container [2018-04-11 13:41:39,368 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 01:41:38" (2/3) ... [2018-04-11 13:41:39,368 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@690ee079 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.04 01:41:39, skipping insertion in model container [2018-04-11 13:41:39,368 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.04 01:41:39" (3/3) ... [2018-04-11 13:41:39,369 INFO L107 eAbstractionObserver]: Analyzing ICFG list-ext_false-unreach-call_false-valid-deref.i [2018-04-11 13:41:39,375 INFO L131 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:Craig_TreeInterpolation Determinization: PREDICATE_ABSTRACTION [2018-04-11 13:41:39,382 INFO L143 ceAbstractionStarter]: Appying trace abstraction to program that has 33 error locations. [2018-04-11 13:41:39,405 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2018-04-11 13:41:39,406 INFO L369 AbstractCegarLoop]: Interprodecural is true [2018-04-11 13:41:39,406 INFO L370 AbstractCegarLoop]: Hoare is false [2018-04-11 13:41:39,406 INFO L371 AbstractCegarLoop]: Compute interpolants for Craig_TreeInterpolation [2018-04-11 13:41:39,406 INFO L372 AbstractCegarLoop]: Backedges is CANONICAL [2018-04-11 13:41:39,406 INFO L373 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-04-11 13:41:39,406 INFO L374 AbstractCegarLoop]: Difference is false [2018-04-11 13:41:39,406 INFO L375 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-04-11 13:41:39,406 INFO L380 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-04-11 13:41:39,407 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-04-11 13:41:39,419 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states. [2018-04-11 13:41:39,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-04-11 13:41:39,428 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 13:41:39,428 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 13:41:39,429 INFO L408 AbstractCegarLoop]: === Iteration 1 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr29AssertViolationMEMORY_FREE, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr30AssertViolationMEMORY_FREE, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr32EnsuresViolationMEMORY_LEAK, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr31AssertViolationMEMORY_FREE, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr28AssertViolationMEMORY_FREE, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation]=== [2018-04-11 13:41:39,432 INFO L82 PathProgramCache]: Analyzing trace with hash 1444763761, now seen corresponding path program 1 times [2018-04-11 13:41:39,466 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 13:41:39,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 13:41:39,498 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 13:41:39,526 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 13:41:39,528 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-11 13:41:39,528 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-04-11 13:41:39,529 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 13:41:39,529 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 13:41:39,530 INFO L182 omatonBuilderFactory]: Interpolants [106#true, 107#false] [2018-04-11 13:41:39,530 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 13:41:39,530 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-04-11 13:41:39,543 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-04-11 13:41:39,543 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-04-11 13:41:39,545 INFO L87 Difference]: Start difference. First operand 103 states. Second operand 2 states. [2018-04-11 13:41:39,567 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 13:41:39,567 INFO L93 Difference]: Finished difference Result 103 states and 111 transitions. [2018-04-11 13:41:39,567 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-04-11 13:41:39,568 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 13 [2018-04-11 13:41:39,569 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 13:41:39,576 INFO L225 Difference]: With dead ends: 103 [2018-04-11 13:41:39,577 INFO L226 Difference]: Without dead ends: 94 [2018-04-11 13:41:39,578 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-04-11 13:41:39,592 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 94 states. [2018-04-11 13:41:39,602 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 94 to 94. [2018-04-11 13:41:39,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 94 states. [2018-04-11 13:41:39,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 94 states and 100 transitions. [2018-04-11 13:41:39,605 INFO L78 Accepts]: Start accepts. Automaton has 94 states and 100 transitions. Word has length 13 [2018-04-11 13:41:39,605 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 13:41:39,605 INFO L459 AbstractCegarLoop]: Abstraction has 94 states and 100 transitions. [2018-04-11 13:41:39,605 INFO L460 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-04-11 13:41:39,605 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 100 transitions. [2018-04-11 13:41:39,606 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-04-11 13:41:39,606 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 13:41:39,606 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 13:41:39,606 INFO L408 AbstractCegarLoop]: === Iteration 2 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr29AssertViolationMEMORY_FREE, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr30AssertViolationMEMORY_FREE, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr32EnsuresViolationMEMORY_LEAK, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr31AssertViolationMEMORY_FREE, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr28AssertViolationMEMORY_FREE, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation]=== [2018-04-11 13:41:39,606 INFO L82 PathProgramCache]: Analyzing trace with hash 1109986290, now seen corresponding path program 1 times [2018-04-11 13:41:39,606 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 13:41:39,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 13:41:39,624 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 13:41:39,698 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 13:41:39,698 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-11 13:41:39,699 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-04-11 13:41:39,699 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 13:41:39,699 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 13:41:39,699 INFO L182 omatonBuilderFactory]: Interpolants [305#true, 306#false, 307#(and (= 8 (select |#length| |main_#t~malloc0.base|)) (= 0 |main_#t~malloc0.offset|)), 308#(and (= 8 (select |#length| main_~a~0.base)) (= 0 main_~a~0.offset)), 309#(and (= main_~p~0.offset 0) (= 8 (select |#length| main_~p~0.base)))] [2018-04-11 13:41:39,700 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 13:41:39,701 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-04-11 13:41:39,701 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-04-11 13:41:39,701 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-04-11 13:41:39,701 INFO L87 Difference]: Start difference. First operand 94 states and 100 transitions. Second operand 5 states. [2018-04-11 13:41:39,922 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 13:41:39,922 INFO L93 Difference]: Finished difference Result 162 states and 174 transitions. [2018-04-11 13:41:39,922 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-04-11 13:41:39,922 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 15 [2018-04-11 13:41:39,923 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 13:41:39,924 INFO L225 Difference]: With dead ends: 162 [2018-04-11 13:41:39,924 INFO L226 Difference]: Without dead ends: 162 [2018-04-11 13:41:39,925 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-04-11 13:41:39,925 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 162 states. [2018-04-11 13:41:39,931 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 162 to 131. [2018-04-11 13:41:39,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 131 states. [2018-04-11 13:41:39,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 131 states and 158 transitions. [2018-04-11 13:41:39,933 INFO L78 Accepts]: Start accepts. Automaton has 131 states and 158 transitions. Word has length 15 [2018-04-11 13:41:39,934 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 13:41:39,934 INFO L459 AbstractCegarLoop]: Abstraction has 131 states and 158 transitions. [2018-04-11 13:41:39,934 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-04-11 13:41:39,934 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 158 transitions. [2018-04-11 13:41:39,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-04-11 13:41:39,934 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 13:41:39,934 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 13:41:39,934 INFO L408 AbstractCegarLoop]: === Iteration 3 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr29AssertViolationMEMORY_FREE, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr30AssertViolationMEMORY_FREE, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr32EnsuresViolationMEMORY_LEAK, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr31AssertViolationMEMORY_FREE, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr28AssertViolationMEMORY_FREE, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation]=== [2018-04-11 13:41:39,935 INFO L82 PathProgramCache]: Analyzing trace with hash 1109986289, now seen corresponding path program 1 times [2018-04-11 13:41:39,935 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 13:41:39,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 13:41:39,945 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 13:41:39,973 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 13:41:39,973 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-11 13:41:39,973 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-04-11 13:41:39,974 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 13:41:39,974 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 13:41:39,974 INFO L182 omatonBuilderFactory]: Interpolants [608#false, 609#(= 1 (select |#valid| |main_#t~malloc0.base|)), 610#(= 1 (select |#valid| main_~a~0.base)), 611#(= 1 (select |#valid| main_~p~0.base)), 607#true] [2018-04-11 13:41:39,974 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 13:41:39,974 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-04-11 13:41:39,974 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-04-11 13:41:39,975 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-04-11 13:41:39,975 INFO L87 Difference]: Start difference. First operand 131 states and 158 transitions. Second operand 5 states. [2018-04-11 13:41:40,092 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 13:41:40,093 INFO L93 Difference]: Finished difference Result 128 states and 141 transitions. [2018-04-11 13:41:40,093 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-04-11 13:41:40,093 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 15 [2018-04-11 13:41:40,093 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 13:41:40,094 INFO L225 Difference]: With dead ends: 128 [2018-04-11 13:41:40,094 INFO L226 Difference]: Without dead ends: 128 [2018-04-11 13:41:40,094 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-04-11 13:41:40,094 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 128 states. [2018-04-11 13:41:40,097 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 128 to 123. [2018-04-11 13:41:40,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 123 states. [2018-04-11 13:41:40,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 123 states and 137 transitions. [2018-04-11 13:41:40,098 INFO L78 Accepts]: Start accepts. Automaton has 123 states and 137 transitions. Word has length 15 [2018-04-11 13:41:40,098 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 13:41:40,098 INFO L459 AbstractCegarLoop]: Abstraction has 123 states and 137 transitions. [2018-04-11 13:41:40,098 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-04-11 13:41:40,099 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 137 transitions. [2018-04-11 13:41:40,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-04-11 13:41:40,099 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 13:41:40,099 INFO L355 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 13:41:40,099 INFO L408 AbstractCegarLoop]: === Iteration 4 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr29AssertViolationMEMORY_FREE, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr30AssertViolationMEMORY_FREE, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr32EnsuresViolationMEMORY_LEAK, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr31AssertViolationMEMORY_FREE, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr28AssertViolationMEMORY_FREE, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation]=== [2018-04-11 13:41:40,099 INFO L82 PathProgramCache]: Analyzing trace with hash 1258743104, now seen corresponding path program 1 times [2018-04-11 13:41:40,100 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 13:41:40,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 13:41:40,111 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 13:41:40,192 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:41:40,193 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-11 13:41:40,193 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-04-11 13:41:40,193 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 13:41:40,193 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:41:40,193 INFO L182 omatonBuilderFactory]: Interpolants [867#true, 868#false, 869#(and (= 0 |main_#t~malloc4.offset|) (= 8 (select |#length| |main_#t~malloc4.base|))), 870#(and (= 8 (select |#length| main_~t~0.base)) (= 0 main_~t~0.offset)), 871#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4)))), 872#(and (= 8 (select |#length| |main_#t~mem5.base|)) (= 0 |main_#t~mem5.offset|)), 873#(and (= main_~p~0.offset 0) (= 8 (select |#length| main_~p~0.base)))] [2018-04-11 13:41:40,193 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:41:40,193 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-04-11 13:41:40,194 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-04-11 13:41:40,194 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-04-11 13:41:40,194 INFO L87 Difference]: Start difference. First operand 123 states and 137 transitions. Second operand 7 states. [2018-04-11 13:41:40,537 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 13:41:40,538 INFO L93 Difference]: Finished difference Result 255 states and 284 transitions. [2018-04-11 13:41:40,538 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-04-11 13:41:40,538 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 26 [2018-04-11 13:41:40,538 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 13:41:40,539 INFO L225 Difference]: With dead ends: 255 [2018-04-11 13:41:40,539 INFO L226 Difference]: Without dead ends: 255 [2018-04-11 13:41:40,540 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=63, Invalid=119, Unknown=0, NotChecked=0, Total=182 [2018-04-11 13:41:40,540 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 255 states. [2018-04-11 13:41:40,544 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 255 to 121. [2018-04-11 13:41:40,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 121 states. [2018-04-11 13:41:40,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 121 states and 139 transitions. [2018-04-11 13:41:40,545 INFO L78 Accepts]: Start accepts. Automaton has 121 states and 139 transitions. Word has length 26 [2018-04-11 13:41:40,546 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 13:41:40,546 INFO L459 AbstractCegarLoop]: Abstraction has 121 states and 139 transitions. [2018-04-11 13:41:40,546 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-04-11 13:41:40,546 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 139 transitions. [2018-04-11 13:41:40,547 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-04-11 13:41:40,547 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 13:41:40,547 INFO L355 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 13:41:40,547 INFO L408 AbstractCegarLoop]: === Iteration 5 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr29AssertViolationMEMORY_FREE, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr30AssertViolationMEMORY_FREE, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr32EnsuresViolationMEMORY_LEAK, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr31AssertViolationMEMORY_FREE, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr28AssertViolationMEMORY_FREE, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation]=== [2018-04-11 13:41:40,547 INFO L82 PathProgramCache]: Analyzing trace with hash 1258743103, now seen corresponding path program 1 times [2018-04-11 13:41:40,548 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 13:41:40,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 13:41:40,564 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 13:41:40,612 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:41:40,612 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-11 13:41:40,613 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-04-11 13:41:40,613 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 13:41:40,613 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 13:41:40,613 INFO L182 omatonBuilderFactory]: Interpolants [1265#true, 1266#false, 1267#(= 1 (select |#valid| |main_#t~malloc4.base|)), 1268#(= 1 (select |#valid| main_~t~0.base)), 1269#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))), 1270#(= 1 (select |#valid| |main_#t~mem5.base|)), 1271#(= 1 (select |#valid| main_~p~0.base))] [2018-04-11 13:41:40,613 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:41:40,614 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-04-11 13:41:40,614 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-04-11 13:41:40,614 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-04-11 13:41:40,614 INFO L87 Difference]: Start difference. First operand 121 states and 139 transitions. Second operand 7 states. [2018-04-11 13:41:40,817 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 13:41:40,817 INFO L93 Difference]: Finished difference Result 231 states and 258 transitions. [2018-04-11 13:41:40,818 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-04-11 13:41:40,818 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 26 [2018-04-11 13:41:40,818 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 13:41:40,818 INFO L225 Difference]: With dead ends: 231 [2018-04-11 13:41:40,819 INFO L226 Difference]: Without dead ends: 231 [2018-04-11 13:41:40,819 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2018-04-11 13:41:40,819 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 231 states. [2018-04-11 13:41:40,822 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 231 to 109. [2018-04-11 13:41:40,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 109 states. [2018-04-11 13:41:40,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 109 states and 121 transitions. [2018-04-11 13:41:40,827 INFO L78 Accepts]: Start accepts. Automaton has 109 states and 121 transitions. Word has length 26 [2018-04-11 13:41:40,827 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 13:41:40,827 INFO L459 AbstractCegarLoop]: Abstraction has 109 states and 121 transitions. [2018-04-11 13:41:40,827 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-04-11 13:41:40,827 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 121 transitions. [2018-04-11 13:41:40,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-04-11 13:41:40,828 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 13:41:40,828 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] [2018-04-11 13:41:40,828 INFO L408 AbstractCegarLoop]: === Iteration 6 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr29AssertViolationMEMORY_FREE, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr30AssertViolationMEMORY_FREE, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr32EnsuresViolationMEMORY_LEAK, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr31AssertViolationMEMORY_FREE, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr28AssertViolationMEMORY_FREE, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation]=== [2018-04-11 13:41:40,828 INFO L82 PathProgramCache]: Analyzing trace with hash -1097115241, now seen corresponding path program 1 times [2018-04-11 13:41:40,829 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 13:41:40,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 13:41:40,836 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 13:41:40,871 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 13:41:40,872 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-11 13:41:40,872 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-04-11 13:41:40,872 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 13:41:40,872 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 13:41:40,872 INFO L182 omatonBuilderFactory]: Interpolants [1623#true, 1624#false, 1625#(and (= main_~p~0.offset main_~a~0.offset) (= main_~p~0.base main_~a~0.base)), 1626#(= (select (select |#memory_int| main_~a~0.base) main_~a~0.offset) 3), 1627#(= (select (select |#memory_int| main_~p~0.base) main_~p~0.offset) 3), 1628#(= |main_#t~mem11| 3)] [2018-04-11 13:41:40,872 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 13:41:40,872 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-04-11 13:41:40,872 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-04-11 13:41:40,872 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-04-11 13:41:40,873 INFO L87 Difference]: Start difference. First operand 109 states and 121 transitions. Second operand 6 states. [2018-04-11 13:41:40,965 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 13:41:40,966 INFO L93 Difference]: Finished difference Result 203 states and 220 transitions. [2018-04-11 13:41:40,966 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-04-11 13:41:40,966 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 27 [2018-04-11 13:41:40,966 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 13:41:40,967 INFO L225 Difference]: With dead ends: 203 [2018-04-11 13:41:40,967 INFO L226 Difference]: Without dead ends: 203 [2018-04-11 13:41:40,967 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2018-04-11 13:41:40,967 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 203 states. [2018-04-11 13:41:40,970 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 203 to 122. [2018-04-11 13:41:40,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 122 states. [2018-04-11 13:41:40,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 122 states and 138 transitions. [2018-04-11 13:41:40,971 INFO L78 Accepts]: Start accepts. Automaton has 122 states and 138 transitions. Word has length 27 [2018-04-11 13:41:40,971 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 13:41:40,971 INFO L459 AbstractCegarLoop]: Abstraction has 122 states and 138 transitions. [2018-04-11 13:41:40,971 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-04-11 13:41:40,971 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 138 transitions. [2018-04-11 13:41:40,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-04-11 13:41:40,971 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 13:41:40,972 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 13:41:40,972 INFO L408 AbstractCegarLoop]: === Iteration 7 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr29AssertViolationMEMORY_FREE, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr30AssertViolationMEMORY_FREE, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr32EnsuresViolationMEMORY_LEAK, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr31AssertViolationMEMORY_FREE, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr28AssertViolationMEMORY_FREE, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation]=== [2018-04-11 13:41:40,972 INFO L82 PathProgramCache]: Analyzing trace with hash 1003717138, now seen corresponding path program 1 times [2018-04-11 13:41:40,972 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 13:41:40,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 13:41:40,981 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 13:41:41,013 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 13:41:41,013 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-11 13:41:41,013 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-04-11 13:41:41,014 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 13:41:41,014 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:41:41,014 INFO L182 omatonBuilderFactory]: Interpolants [1958#true, 1959#false, 1960#(and (= main_~p~0.offset main_~a~0.offset) (= main_~p~0.base main_~a~0.base)), 1961#(= (select (select |#memory_int| main_~a~0.base) main_~a~0.offset) 3), 1962#(= (select (select |#memory_int| main_~p~0.base) main_~p~0.offset) 3), 1963#(= |main_#t~mem14| 3)] [2018-04-11 13:41:41,014 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 13:41:41,014 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-04-11 13:41:41,014 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-04-11 13:41:41,014 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-04-11 13:41:41,014 INFO L87 Difference]: Start difference. First operand 122 states and 138 transitions. Second operand 6 states. [2018-04-11 13:41:41,124 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 13:41:41,124 INFO L93 Difference]: Finished difference Result 189 states and 204 transitions. [2018-04-11 13:41:41,125 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-04-11 13:41:41,125 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 30 [2018-04-11 13:41:41,125 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 13:41:41,126 INFO L225 Difference]: With dead ends: 189 [2018-04-11 13:41:41,126 INFO L226 Difference]: Without dead ends: 189 [2018-04-11 13:41:41,126 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2018-04-11 13:41:41,127 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 189 states. [2018-04-11 13:41:41,130 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 189 to 125. [2018-04-11 13:41:41,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 125 states. [2018-04-11 13:41:41,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 125 states and 141 transitions. [2018-04-11 13:41:41,131 INFO L78 Accepts]: Start accepts. Automaton has 125 states and 141 transitions. Word has length 30 [2018-04-11 13:41:41,131 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 13:41:41,132 INFO L459 AbstractCegarLoop]: Abstraction has 125 states and 141 transitions. [2018-04-11 13:41:41,132 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-04-11 13:41:41,132 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 141 transitions. [2018-04-11 13:41:41,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-04-11 13:41:41,132 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 13:41:41,133 INFO L355 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 13:41:41,133 INFO L408 AbstractCegarLoop]: === Iteration 8 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr29AssertViolationMEMORY_FREE, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr30AssertViolationMEMORY_FREE, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr32EnsuresViolationMEMORY_LEAK, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr31AssertViolationMEMORY_FREE, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr28AssertViolationMEMORY_FREE, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation]=== [2018-04-11 13:41:41,133 INFO L82 PathProgramCache]: Analyzing trace with hash -709458625, now seen corresponding path program 1 times [2018-04-11 13:41:41,134 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 13:41:41,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 13:41:41,144 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 13:41:41,179 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:41:41,179 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-11 13:41:41,179 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-04-11 13:41:41,179 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 13:41:41,180 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:41:41,180 INFO L182 omatonBuilderFactory]: Interpolants [2288#(= 1 (select |#valid| main_~p~0.base)), 2282#true, 2283#false, 2284#(= 1 (select |#valid| |main_#t~malloc9.base|)), 2285#(= 1 (select |#valid| main_~t~0.base)), 2286#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))), 2287#(= 1 (select |#valid| |main_#t~mem10.base|))] [2018-04-11 13:41:41,180 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:41:41,180 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-04-11 13:41:41,180 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-04-11 13:41:41,180 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-04-11 13:41:41,181 INFO L87 Difference]: Start difference. First operand 125 states and 141 transitions. Second operand 7 states. [2018-04-11 13:41:41,333 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 13:41:41,333 INFO L93 Difference]: Finished difference Result 168 states and 188 transitions. [2018-04-11 13:41:41,333 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-04-11 13:41:41,333 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 30 [2018-04-11 13:41:41,333 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 13:41:41,334 INFO L225 Difference]: With dead ends: 168 [2018-04-11 13:41:41,334 INFO L226 Difference]: Without dead ends: 168 [2018-04-11 13:41:41,334 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2018-04-11 13:41:41,335 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 168 states. [2018-04-11 13:41:41,337 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 168 to 123. [2018-04-11 13:41:41,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 123 states. [2018-04-11 13:41:41,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 123 states and 139 transitions. [2018-04-11 13:41:41,337 INFO L78 Accepts]: Start accepts. Automaton has 123 states and 139 transitions. Word has length 30 [2018-04-11 13:41:41,338 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 13:41:41,338 INFO L459 AbstractCegarLoop]: Abstraction has 123 states and 139 transitions. [2018-04-11 13:41:41,338 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-04-11 13:41:41,338 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 139 transitions. [2018-04-11 13:41:41,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-04-11 13:41:41,338 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 13:41:41,338 INFO L355 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 13:41:41,338 INFO L408 AbstractCegarLoop]: === Iteration 9 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr29AssertViolationMEMORY_FREE, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr30AssertViolationMEMORY_FREE, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr32EnsuresViolationMEMORY_LEAK, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr31AssertViolationMEMORY_FREE, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr28AssertViolationMEMORY_FREE, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation]=== [2018-04-11 13:41:41,339 INFO L82 PathProgramCache]: Analyzing trace with hash -709458624, now seen corresponding path program 1 times [2018-04-11 13:41:41,340 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 13:41:41,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 13:41:41,350 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 13:41:41,438 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:41:41,439 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-11 13:41:41,439 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-04-11 13:41:41,439 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 13:41:41,439 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 13:41:41,439 INFO L182 omatonBuilderFactory]: Interpolants [2592#false, 2593#(and (= 0 |main_#t~malloc9.offset|) (= 8 (select |#length| |main_#t~malloc9.base|))), 2594#(and (= 8 (select |#length| main_~t~0.base)) (= 0 main_~t~0.offset)), 2595#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4)))), 2596#(and (= 8 (select |#length| |main_#t~mem10.base|)) (= 0 |main_#t~mem10.offset|)), 2597#(and (= main_~p~0.offset 0) (= 8 (select |#length| main_~p~0.base))), 2591#true] [2018-04-11 13:41:41,439 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:41:41,439 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-04-11 13:41:41,440 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-04-11 13:41:41,440 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-04-11 13:41:41,440 INFO L87 Difference]: Start difference. First operand 123 states and 139 transitions. Second operand 7 states. [2018-04-11 13:41:41,664 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 13:41:41,664 INFO L93 Difference]: Finished difference Result 184 states and 205 transitions. [2018-04-11 13:41:41,664 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-04-11 13:41:41,664 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 30 [2018-04-11 13:41:41,665 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 13:41:41,665 INFO L225 Difference]: With dead ends: 184 [2018-04-11 13:41:41,665 INFO L226 Difference]: Without dead ends: 184 [2018-04-11 13:41:41,665 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=56, Invalid=100, Unknown=0, NotChecked=0, Total=156 [2018-04-11 13:41:41,666 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 184 states. [2018-04-11 13:41:41,667 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 184 to 108. [2018-04-11 13:41:41,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 108 states. [2018-04-11 13:41:41,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 108 states and 122 transitions. [2018-04-11 13:41:41,669 INFO L78 Accepts]: Start accepts. Automaton has 108 states and 122 transitions. Word has length 30 [2018-04-11 13:41:41,669 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 13:41:41,669 INFO L459 AbstractCegarLoop]: Abstraction has 108 states and 122 transitions. [2018-04-11 13:41:41,669 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-04-11 13:41:41,669 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 122 transitions. [2018-04-11 13:41:41,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-04-11 13:41:41,670 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 13:41:41,670 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 13:41:41,670 INFO L408 AbstractCegarLoop]: === Iteration 10 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr29AssertViolationMEMORY_FREE, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr30AssertViolationMEMORY_FREE, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr32EnsuresViolationMEMORY_LEAK, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr31AssertViolationMEMORY_FREE, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr28AssertViolationMEMORY_FREE, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation]=== [2018-04-11 13:41:41,670 INFO L82 PathProgramCache]: Analyzing trace with hash 2133942451, now seen corresponding path program 1 times [2018-04-11 13:41:41,671 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 13:41:41,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 13:41:41,681 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 13:41:41,715 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:41:41,715 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-11 13:41:41,715 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-04-11 13:41:41,716 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 13:41:41,716 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 13:41:41,716 INFO L182 omatonBuilderFactory]: Interpolants [2903#true, 2904#false, 2905#(and (= main_~y~0 0) (= main_~i~0 0))] [2018-04-11 13:41:41,716 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 13:41:41,716 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-04-11 13:41:41,716 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-04-11 13:41:41,717 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-04-11 13:41:41,717 INFO L87 Difference]: Start difference. First operand 108 states and 122 transitions. Second operand 3 states. [2018-04-11 13:41:41,729 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 13:41:41,729 INFO L93 Difference]: Finished difference Result 109 states and 122 transitions. [2018-04-11 13:41:41,730 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-04-11 13:41:41,730 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 37 [2018-04-11 13:41:41,730 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 13:41:41,731 INFO L225 Difference]: With dead ends: 109 [2018-04-11 13:41:41,731 INFO L226 Difference]: Without dead ends: 99 [2018-04-11 13:41:41,731 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 13:41:41,731 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 99 states. [2018-04-11 13:41:41,733 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 99 to 99. [2018-04-11 13:41:41,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 99 states. [2018-04-11 13:41:41,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 99 states and 111 transitions. [2018-04-11 13:41:41,733 INFO L78 Accepts]: Start accepts. Automaton has 99 states and 111 transitions. Word has length 37 [2018-04-11 13:41:41,734 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 13:41:41,734 INFO L459 AbstractCegarLoop]: Abstraction has 99 states and 111 transitions. [2018-04-11 13:41:41,734 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-04-11 13:41:41,734 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 111 transitions. [2018-04-11 13:41:41,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-04-11 13:41:41,735 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 13:41:41,735 INFO L355 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 13:41:41,735 INFO L408 AbstractCegarLoop]: === Iteration 11 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr29AssertViolationMEMORY_FREE, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr30AssertViolationMEMORY_FREE, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr32EnsuresViolationMEMORY_LEAK, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr31AssertViolationMEMORY_FREE, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr28AssertViolationMEMORY_FREE, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation]=== [2018-04-11 13:41:41,735 INFO L82 PathProgramCache]: Analyzing trace with hash -1393166961, now seen corresponding path program 1 times [2018-04-11 13:41:41,736 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 13:41:41,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 13:41:41,755 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 13:41:41,882 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:41:41,883 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-11 13:41:41,883 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2018-04-11 13:41:41,883 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 13:41:41,883 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 13:41:41,883 INFO L182 omatonBuilderFactory]: Interpolants [3120#(and (= (select (select |#memory_int| main_~p~0.base) main_~a~0.offset) 2) (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= main_~p~0.base main_~a~0.base)), 3121#(and (= (select (select |#memory_int| main_~a~0.base) main_~a~0.offset) 2) (not (= main_~a~0.base |main_#t~mem10.base|))), 3122#(and (= (select (select |#memory_int| main_~a~0.base) main_~a~0.offset) 2) (not (= main_~p~0.base main_~a~0.base))), 3123#(= (select (select |#memory_int| main_~a~0.base) main_~a~0.offset) 2), 3124#(= (select (select |#memory_int| main_~p~0.base) main_~p~0.offset) 2), 3125#(= |main_#t~mem11| 2), 3114#true, 3115#false, 3116#(and (= main_~p~0.offset main_~a~0.offset) (= main_~p~0.base main_~a~0.base)), 3117#(and (= (select (select |#memory_int| main_~p~0.base) main_~a~0.offset) 2) (= (select |#valid| main_~p~0.base) 1) (= main_~p~0.base main_~a~0.base)), 3118#(and (not (= main_~p~0.base |main_#t~malloc9.base|)) (= (select (select |#memory_int| main_~p~0.base) main_~a~0.offset) 2) (= main_~p~0.base main_~a~0.base)), 3119#(and (= (select (select |#memory_int| main_~p~0.base) main_~a~0.offset) 2) (not (= main_~p~0.base main_~t~0.base)) (= main_~p~0.base main_~a~0.base))] [2018-04-11 13:41:41,883 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:41:41,883 INFO L442 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-04-11 13:41:41,884 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-04-11 13:41:41,884 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=105, Unknown=0, NotChecked=0, Total=132 [2018-04-11 13:41:41,884 INFO L87 Difference]: Start difference. First operand 99 states and 111 transitions. Second operand 12 states. [2018-04-11 13:41:42,163 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 13:41:42,164 INFO L93 Difference]: Finished difference Result 203 states and 219 transitions. [2018-04-11 13:41:42,164 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-04-11 13:41:42,164 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 38 [2018-04-11 13:41:42,164 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 13:41:42,165 INFO L225 Difference]: With dead ends: 203 [2018-04-11 13:41:42,165 INFO L226 Difference]: Without dead ends: 203 [2018-04-11 13:41:42,165 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=113, Invalid=307, Unknown=0, NotChecked=0, Total=420 [2018-04-11 13:41:42,165 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 203 states. [2018-04-11 13:41:42,167 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 203 to 115. [2018-04-11 13:41:42,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 115 states. [2018-04-11 13:41:42,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 115 states and 129 transitions. [2018-04-11 13:41:42,167 INFO L78 Accepts]: Start accepts. Automaton has 115 states and 129 transitions. Word has length 38 [2018-04-11 13:41:42,167 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 13:41:42,167 INFO L459 AbstractCegarLoop]: Abstraction has 115 states and 129 transitions. [2018-04-11 13:41:42,168 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-04-11 13:41:42,168 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 129 transitions. [2018-04-11 13:41:42,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-04-11 13:41:42,168 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 13:41:42,168 INFO L355 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 13:41:42,169 INFO L408 AbstractCegarLoop]: === Iteration 12 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr29AssertViolationMEMORY_FREE, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr30AssertViolationMEMORY_FREE, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr32EnsuresViolationMEMORY_LEAK, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr31AssertViolationMEMORY_FREE, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr28AssertViolationMEMORY_FREE, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation]=== [2018-04-11 13:41:42,169 INFO L82 PathProgramCache]: Analyzing trace with hash 543665637, now seen corresponding path program 1 times [2018-04-11 13:41:42,169 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 13:41:42,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 13:41:42,181 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 13:41:42,286 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:41:42,286 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-11 13:41:42,287 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2018-04-11 13:41:42,287 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 13:41:42,287 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 13:41:42,287 INFO L182 omatonBuilderFactory]: Interpolants [3472#(= 1 (select |#valid| main_~p~0.base)), 3462#true, 3463#false, 3464#(= 0 |main_#t~malloc0.offset|), 3465#(= 0 main_~a~0.offset), 3466#(and (= 0 main_~a~0.offset) (= main_~p~0.offset 0) (= main_~p~0.base main_~a~0.base)), 3467#(and (= 0 main_~a~0.offset) (= |main_#t~mem5.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))), 3468#(and (= 0 main_~a~0.offset) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))), 3469#(and (= 0 main_~a~0.offset) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))))), 3470#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))), 3471#(= 1 (select |#valid| |main_#t~mem13.base|))] [2018-04-11 13:41:42,287 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:41:42,288 INFO L442 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-04-11 13:41:42,288 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-04-11 13:41:42,288 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2018-04-11 13:41:42,288 INFO L87 Difference]: Start difference. First operand 115 states and 129 transitions. Second operand 11 states. [2018-04-11 13:41:42,628 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 13:41:42,628 INFO L93 Difference]: Finished difference Result 200 states and 220 transitions. [2018-04-11 13:41:42,628 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-04-11 13:41:42,629 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 38 [2018-04-11 13:41:42,629 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 13:41:42,629 INFO L225 Difference]: With dead ends: 200 [2018-04-11 13:41:42,629 INFO L226 Difference]: Without dead ends: 200 [2018-04-11 13:41:42,630 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=134, Invalid=372, Unknown=0, NotChecked=0, Total=506 [2018-04-11 13:41:42,630 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 200 states. [2018-04-11 13:41:42,631 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 200 to 139. [2018-04-11 13:41:42,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 139 states. [2018-04-11 13:41:42,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 139 states and 159 transitions. [2018-04-11 13:41:42,632 INFO L78 Accepts]: Start accepts. Automaton has 139 states and 159 transitions. Word has length 38 [2018-04-11 13:41:42,632 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 13:41:42,632 INFO L459 AbstractCegarLoop]: Abstraction has 139 states and 159 transitions. [2018-04-11 13:41:42,632 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-04-11 13:41:42,632 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 159 transitions. [2018-04-11 13:41:42,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-04-11 13:41:42,633 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 13:41:42,633 INFO L355 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 13:41:42,633 INFO L408 AbstractCegarLoop]: === Iteration 13 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr29AssertViolationMEMORY_FREE, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr30AssertViolationMEMORY_FREE, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr32EnsuresViolationMEMORY_LEAK, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr31AssertViolationMEMORY_FREE, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr28AssertViolationMEMORY_FREE, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation]=== [2018-04-11 13:41:42,633 INFO L82 PathProgramCache]: Analyzing trace with hash 543665638, now seen corresponding path program 1 times [2018-04-11 13:41:42,635 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 13:41:42,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 13:41:42,643 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 13:41:42,797 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:41:42,797 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-11 13:41:42,798 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2018-04-11 13:41:42,798 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 13:41:42,798 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 13:41:42,798 INFO L182 omatonBuilderFactory]: Interpolants [3840#(and (= 0 main_~a~0.offset) (= main_~p~0.offset 0) (= main_~p~0.base main_~a~0.base)), 3841#(and (= 0 main_~a~0.offset) (= main_~p~0.offset 0) (= main_~p~0.base main_~a~0.base) (= 0 |main_#t~malloc4.offset|) (= 8 (select |#length| |main_#t~malloc4.base|))), 3842#(and (= 8 (select |#length| main_~t~0.base)) (= 0 main_~a~0.offset) (= 0 main_~t~0.offset) (= main_~p~0.offset 0) (= main_~p~0.base main_~a~0.base)), 3843#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ main_~p~0.offset 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ main_~p~0.offset 4))) (= 0 main_~a~0.offset) (= main_~p~0.offset 0)), 3844#(and (= 0 main_~a~0.offset) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4)))), 3845#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= main_~p~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4)))), 3846#(and (= 8 (select |#length| |main_#t~mem13.base|)) (= 0 |main_#t~mem13.offset|)), 3847#(and (= main_~p~0.offset 0) (= 8 (select |#length| main_~p~0.base))), 3836#true, 3837#false, 3838#(= 0 |main_#t~malloc0.offset|), 3839#(= 0 main_~a~0.offset)] [2018-04-11 13:41:42,798 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:41:42,798 INFO L442 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-04-11 13:41:42,799 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-04-11 13:41:42,799 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2018-04-11 13:41:42,799 INFO L87 Difference]: Start difference. First operand 139 states and 159 transitions. Second operand 12 states. [2018-04-11 13:41:43,217 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 13:41:43,217 INFO L93 Difference]: Finished difference Result 232 states and 255 transitions. [2018-04-11 13:41:43,218 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2018-04-11 13:41:43,218 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 38 [2018-04-11 13:41:43,218 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 13:41:43,218 INFO L225 Difference]: With dead ends: 232 [2018-04-11 13:41:43,219 INFO L226 Difference]: Without dead ends: 232 [2018-04-11 13:41:43,219 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 54 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=124, Invalid=338, Unknown=0, NotChecked=0, Total=462 [2018-04-11 13:41:43,219 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 232 states. [2018-04-11 13:41:43,220 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 232 to 144. [2018-04-11 13:41:43,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 144 states. [2018-04-11 13:41:43,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 144 states and 165 transitions. [2018-04-11 13:41:43,221 INFO L78 Accepts]: Start accepts. Automaton has 144 states and 165 transitions. Word has length 38 [2018-04-11 13:41:43,221 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 13:41:43,221 INFO L459 AbstractCegarLoop]: Abstraction has 144 states and 165 transitions. [2018-04-11 13:41:43,221 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-04-11 13:41:43,221 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 165 transitions. [2018-04-11 13:41:43,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2018-04-11 13:41:43,222 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 13:41:43,222 INFO L355 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 13:41:43,222 INFO L408 AbstractCegarLoop]: === Iteration 14 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr29AssertViolationMEMORY_FREE, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr30AssertViolationMEMORY_FREE, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr32EnsuresViolationMEMORY_LEAK, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr31AssertViolationMEMORY_FREE, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr28AssertViolationMEMORY_FREE, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation]=== [2018-04-11 13:41:43,222 INFO L82 PathProgramCache]: Analyzing trace with hash -1105214694, now seen corresponding path program 1 times [2018-04-11 13:41:43,222 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 13:41:43,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 13:41:43,229 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 13:41:43,306 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:41:43,306 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-11 13:41:43,306 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2018-04-11 13:41:43,307 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 13:41:43,307 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 13:41:43,307 INFO L182 omatonBuilderFactory]: Interpolants [4244#true, 4245#false, 4246#(= 0 |main_#t~malloc0.offset|), 4247#(= 0 main_~a~0.offset), 4248#(and (= 0 main_~a~0.offset) (= main_~p~0.offset 0) (= main_~p~0.base main_~a~0.base)), 4249#(and (= 0 main_~a~0.offset) (= |main_#t~mem10.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))), 4250#(and (= 0 main_~a~0.offset) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))), 4251#(and (= 0 main_~a~0.offset) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))))), 4252#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))), 4253#(= 1 (select |#valid| |main_#t~mem16.base|)), 4254#(= 1 (select |#valid| main_~p~0.base))] [2018-04-11 13:41:43,307 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:41:43,307 INFO L442 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-04-11 13:41:43,307 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-04-11 13:41:43,307 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2018-04-11 13:41:43,307 INFO L87 Difference]: Start difference. First operand 144 states and 165 transitions. Second operand 11 states. [2018-04-11 13:41:43,567 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 13:41:43,567 INFO L93 Difference]: Finished difference Result 193 states and 214 transitions. [2018-04-11 13:41:43,567 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-04-11 13:41:43,568 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 41 [2018-04-11 13:41:43,568 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 13:41:43,568 INFO L225 Difference]: With dead ends: 193 [2018-04-11 13:41:43,568 INFO L226 Difference]: Without dead ends: 193 [2018-04-11 13:41:43,569 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 57 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=134, Invalid=372, Unknown=0, NotChecked=0, Total=506 [2018-04-11 13:41:43,569 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 193 states. [2018-04-11 13:41:43,571 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 193 to 149. [2018-04-11 13:41:43,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 149 states. [2018-04-11 13:41:43,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 149 states and 170 transitions. [2018-04-11 13:41:43,571 INFO L78 Accepts]: Start accepts. Automaton has 149 states and 170 transitions. Word has length 41 [2018-04-11 13:41:43,572 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 13:41:43,572 INFO L459 AbstractCegarLoop]: Abstraction has 149 states and 170 transitions. [2018-04-11 13:41:43,572 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-04-11 13:41:43,572 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 170 transitions. [2018-04-11 13:41:43,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2018-04-11 13:41:43,572 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 13:41:43,573 INFO L355 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 13:41:43,573 INFO L408 AbstractCegarLoop]: === Iteration 15 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr29AssertViolationMEMORY_FREE, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr30AssertViolationMEMORY_FREE, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr32EnsuresViolationMEMORY_LEAK, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr31AssertViolationMEMORY_FREE, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr28AssertViolationMEMORY_FREE, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation]=== [2018-04-11 13:41:43,573 INFO L82 PathProgramCache]: Analyzing trace with hash -1105214693, now seen corresponding path program 1 times [2018-04-11 13:41:43,574 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 13:41:43,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 13:41:43,584 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 13:41:43,715 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:41:43,715 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-11 13:41:43,715 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2018-04-11 13:41:43,716 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 13:41:43,716 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 13:41:43,716 INFO L182 omatonBuilderFactory]: Interpolants [4624#(= 0 main_~a~0.offset), 4625#(and (= 0 main_~a~0.offset) (= main_~p~0.offset 0) (= main_~p~0.base main_~a~0.base)), 4626#(and (= 0 |main_#t~malloc9.offset|) (= 0 main_~a~0.offset) (= main_~p~0.offset 0) (= 8 (select |#length| |main_#t~malloc9.base|)) (= main_~p~0.base main_~a~0.base)), 4627#(and (= 8 (select |#length| main_~t~0.base)) (= 0 main_~a~0.offset) (= 0 main_~t~0.offset) (= main_~p~0.offset 0) (= main_~p~0.base main_~a~0.base)), 4628#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ main_~p~0.offset 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ main_~p~0.offset 4))) (= 0 main_~a~0.offset) (= main_~p~0.offset 0)), 4629#(and (= 0 main_~a~0.offset) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4)))), 4630#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= main_~p~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4)))), 4631#(and (= 0 |main_#t~mem16.offset|) (= 8 (select |#length| |main_#t~mem16.base|))), 4632#(and (= main_~p~0.offset 0) (= 8 (select |#length| main_~p~0.base))), 4621#true, 4622#false, 4623#(= 0 |main_#t~malloc0.offset|)] [2018-04-11 13:41:43,716 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:41:43,716 INFO L442 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-04-11 13:41:43,716 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-04-11 13:41:43,716 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2018-04-11 13:41:43,717 INFO L87 Difference]: Start difference. First operand 149 states and 170 transitions. Second operand 12 states. [2018-04-11 13:41:44,006 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 13:41:44,006 INFO L93 Difference]: Finished difference Result 221 states and 243 transitions. [2018-04-11 13:41:44,007 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2018-04-11 13:41:44,007 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 41 [2018-04-11 13:41:44,007 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 13:41:44,007 INFO L225 Difference]: With dead ends: 221 [2018-04-11 13:41:44,007 INFO L226 Difference]: Without dead ends: 221 [2018-04-11 13:41:44,008 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 54 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=124, Invalid=338, Unknown=0, NotChecked=0, Total=462 [2018-04-11 13:41:44,008 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 221 states. [2018-04-11 13:41:44,010 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 221 to 149. [2018-04-11 13:41:44,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 149 states. [2018-04-11 13:41:44,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 149 states and 170 transitions. [2018-04-11 13:41:44,011 INFO L78 Accepts]: Start accepts. Automaton has 149 states and 170 transitions. Word has length 41 [2018-04-11 13:41:44,011 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 13:41:44,011 INFO L459 AbstractCegarLoop]: Abstraction has 149 states and 170 transitions. [2018-04-11 13:41:44,011 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-04-11 13:41:44,011 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 170 transitions. [2018-04-11 13:41:44,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2018-04-11 13:41:44,012 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 13:41:44,012 INFO L355 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 13:41:44,012 INFO L408 AbstractCegarLoop]: === Iteration 16 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr29AssertViolationMEMORY_FREE, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr30AssertViolationMEMORY_FREE, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr32EnsuresViolationMEMORY_LEAK, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr31AssertViolationMEMORY_FREE, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr28AssertViolationMEMORY_FREE, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation]=== [2018-04-11 13:41:44,012 INFO L82 PathProgramCache]: Analyzing trace with hash 484057860, now seen corresponding path program 1 times [2018-04-11 13:41:44,013 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 13:41:44,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 13:41:44,020 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 13:41:44,103 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-04-11 13:41:44,103 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-11 13:41:44,104 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2018-04-11 13:41:44,104 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 13:41:44,104 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 13:41:44,104 INFO L182 omatonBuilderFactory]: Interpolants [5024#false, 5025#(and (= main_~p~0.offset main_~a~0.offset) (= main_~p~0.base main_~a~0.base)), 5026#(and (= 1 (select (select |#memory_int| main_~p~0.base) main_~a~0.offset)) (= (select |#valid| main_~p~0.base) 1) (= main_~p~0.base main_~a~0.base)), 5027#(and (= 1 (select (select |#memory_int| main_~p~0.base) main_~a~0.offset)) (not (= main_~p~0.base |main_#t~malloc4.base|)) (= main_~p~0.base main_~a~0.base)), 5028#(and (= 1 (select (select |#memory_int| main_~p~0.base) main_~a~0.offset)) (not (= main_~p~0.base main_~t~0.base)) (= main_~p~0.base main_~a~0.base)), 5029#(and (= 1 (select (select |#memory_int| main_~p~0.base) main_~a~0.offset)) (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= main_~p~0.base main_~a~0.base)), 5030#(and (not (= main_~a~0.base |main_#t~mem5.base|)) (= 1 (select (select |#memory_int| main_~a~0.base) main_~a~0.offset))), 5031#(and (not (= main_~p~0.base main_~a~0.base)) (= 1 (select (select |#memory_int| main_~a~0.base) main_~a~0.offset))), 5032#(= 1 (select (select |#memory_int| main_~a~0.base) main_~a~0.offset)), 5033#(= 1 (select (select |#memory_int| main_~p~0.base) main_~p~0.offset)), 5034#(and (= |main_#t~mem11| (select (select |#memory_int| main_~p~0.base) main_~p~0.offset)) (= 1 (select (select |#memory_int| main_~p~0.base) main_~p~0.offset))), 5023#true] [2018-04-11 13:41:44,104 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-04-11 13:41:44,104 INFO L442 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-04-11 13:41:44,104 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-04-11 13:41:44,104 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=104, Unknown=0, NotChecked=0, Total=132 [2018-04-11 13:41:44,105 INFO L87 Difference]: Start difference. First operand 149 states and 170 transitions. Second operand 12 states. [2018-04-11 13:41:44,445 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 13:41:44,445 INFO L93 Difference]: Finished difference Result 243 states and 268 transitions. [2018-04-11 13:41:44,445 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-04-11 13:41:44,445 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 41 [2018-04-11 13:41:44,445 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 13:41:44,446 INFO L225 Difference]: With dead ends: 243 [2018-04-11 13:41:44,446 INFO L226 Difference]: Without dead ends: 243 [2018-04-11 13:41:44,446 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=114, Invalid=306, Unknown=0, NotChecked=0, Total=420 [2018-04-11 13:41:44,446 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 243 states. [2018-04-11 13:41:44,448 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 243 to 149. [2018-04-11 13:41:44,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 149 states. [2018-04-11 13:41:44,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 149 states and 169 transitions. [2018-04-11 13:41:44,448 INFO L78 Accepts]: Start accepts. Automaton has 149 states and 169 transitions. Word has length 41 [2018-04-11 13:41:44,450 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 13:41:44,450 INFO L459 AbstractCegarLoop]: Abstraction has 149 states and 169 transitions. [2018-04-11 13:41:44,450 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-04-11 13:41:44,451 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 169 transitions. [2018-04-11 13:41:44,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2018-04-11 13:41:44,451 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 13:41:44,451 INFO L355 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 13:41:44,451 INFO L408 AbstractCegarLoop]: === Iteration 17 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr29AssertViolationMEMORY_FREE, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr30AssertViolationMEMORY_FREE, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr32EnsuresViolationMEMORY_LEAK, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr31AssertViolationMEMORY_FREE, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr28AssertViolationMEMORY_FREE, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation]=== [2018-04-11 13:41:44,451 INFO L82 PathProgramCache]: Analyzing trace with hash -915052340, now seen corresponding path program 2 times [2018-04-11 13:41:44,452 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 13:41:44,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 13:41:44,458 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 13:41:44,549 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 6 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:41:44,549 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-11 13:41:44,549 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2018-04-11 13:41:44,550 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 13:41:44,550 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 13:41:44,550 INFO L182 omatonBuilderFactory]: Interpolants [5456#(= |main_#t~mem11| 3), 5445#true, 5446#false, 5447#(= 0 |main_#t~malloc0.offset|), 5448#(= 0 main_~a~0.offset), 5449#(and (= 0 main_~a~0.offset) (= main_~p~0.offset 0) (= main_~p~0.base main_~a~0.base)), 5450#(and (= 0 main_~a~0.offset) (= (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4)) |main_#t~mem5.offset|) (= (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)) |main_#t~mem5.base|)), 5451#(and (= 0 main_~a~0.offset) (= main_~p~0.offset (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))), 5452#(and (= 0 main_~a~0.offset) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) 3)), 5453#(= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4))) 3), 5454#(= (select (select |#memory_int| |main_#t~mem13.base|) |main_#t~mem13.offset|) 3), 5455#(= (select (select |#memory_int| main_~p~0.base) main_~p~0.offset) 3)] [2018-04-11 13:41:44,550 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 6 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:41:44,550 INFO L442 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-04-11 13:41:44,550 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-04-11 13:41:44,550 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2018-04-11 13:41:44,550 INFO L87 Difference]: Start difference. First operand 149 states and 169 transitions. Second operand 12 states. [2018-04-11 13:41:44,849 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 13:41:44,850 INFO L93 Difference]: Finished difference Result 225 states and 245 transitions. [2018-04-11 13:41:44,850 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-04-11 13:41:44,850 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 43 [2018-04-11 13:41:44,850 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 13:41:44,851 INFO L225 Difference]: With dead ends: 225 [2018-04-11 13:41:44,851 INFO L226 Difference]: Without dead ends: 225 [2018-04-11 13:41:44,851 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 54 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=115, Invalid=391, Unknown=0, NotChecked=0, Total=506 [2018-04-11 13:41:44,852 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 225 states. [2018-04-11 13:41:44,853 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 225 to 149. [2018-04-11 13:41:44,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 149 states. [2018-04-11 13:41:44,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 149 states and 168 transitions. [2018-04-11 13:41:44,854 INFO L78 Accepts]: Start accepts. Automaton has 149 states and 168 transitions. Word has length 43 [2018-04-11 13:41:44,855 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 13:41:44,855 INFO L459 AbstractCegarLoop]: Abstraction has 149 states and 168 transitions. [2018-04-11 13:41:44,855 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-04-11 13:41:44,855 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 168 transitions. [2018-04-11 13:41:44,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-04-11 13:41:44,855 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 13:41:44,855 INFO L355 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 13:41:44,856 INFO L408 AbstractCegarLoop]: === Iteration 18 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr29AssertViolationMEMORY_FREE, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr30AssertViolationMEMORY_FREE, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr32EnsuresViolationMEMORY_LEAK, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr31AssertViolationMEMORY_FREE, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr28AssertViolationMEMORY_FREE, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation]=== [2018-04-11 13:41:44,856 INFO L82 PathProgramCache]: Analyzing trace with hash 805828618, now seen corresponding path program 2 times [2018-04-11 13:41:44,856 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 13:41:44,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 13:41:44,866 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 13:41:44,971 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 6 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:41:44,971 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-11 13:41:44,972 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2018-04-11 13:41:44,972 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 13:41:44,972 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 13:41:44,972 INFO L182 omatonBuilderFactory]: Interpolants [5856#(= 0 main_~a~0.offset), 5857#(and (= 0 main_~a~0.offset) (= main_~p~0.offset 0) (= main_~p~0.base main_~a~0.base)), 5858#(and (= 0 main_~a~0.offset) (= (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4)) |main_#t~mem10.offset|) (= (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)) |main_#t~mem10.base|)), 5859#(and (= 0 main_~a~0.offset) (= main_~p~0.offset (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))), 5860#(and (= 0 main_~a~0.offset) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) 3)), 5861#(= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4))) 3), 5862#(= (select (select |#memory_int| |main_#t~mem16.base|) |main_#t~mem16.offset|) 3), 5863#(= (select (select |#memory_int| main_~p~0.base) main_~p~0.offset) 3), 5864#(= |main_#t~mem14| 3), 5853#true, 5854#false, 5855#(= 0 |main_#t~malloc0.offset|)] [2018-04-11 13:41:44,972 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 6 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:41:44,973 INFO L442 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-04-11 13:41:44,973 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-04-11 13:41:44,973 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2018-04-11 13:41:44,973 INFO L87 Difference]: Start difference. First operand 149 states and 168 transitions. Second operand 12 states. [2018-04-11 13:41:45,256 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 13:41:45,256 INFO L93 Difference]: Finished difference Result 206 states and 224 transitions. [2018-04-11 13:41:45,256 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-04-11 13:41:45,257 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 46 [2018-04-11 13:41:45,257 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 13:41:45,257 INFO L225 Difference]: With dead ends: 206 [2018-04-11 13:41:45,257 INFO L226 Difference]: Without dead ends: 206 [2018-04-11 13:41:45,258 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=115, Invalid=391, Unknown=0, NotChecked=0, Total=506 [2018-04-11 13:41:45,258 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 206 states. [2018-04-11 13:41:45,259 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 206 to 152. [2018-04-11 13:41:45,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 152 states. [2018-04-11 13:41:45,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 152 states and 171 transitions. [2018-04-11 13:41:45,260 INFO L78 Accepts]: Start accepts. Automaton has 152 states and 171 transitions. Word has length 46 [2018-04-11 13:41:45,260 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 13:41:45,260 INFO L459 AbstractCegarLoop]: Abstraction has 152 states and 171 transitions. [2018-04-11 13:41:45,260 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-04-11 13:41:45,260 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 171 transitions. [2018-04-11 13:41:45,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-04-11 13:41:45,261 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 13:41:45,261 INFO L355 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 13:41:45,261 INFO L408 AbstractCegarLoop]: === Iteration 19 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr29AssertViolationMEMORY_FREE, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr30AssertViolationMEMORY_FREE, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr32EnsuresViolationMEMORY_LEAK, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr31AssertViolationMEMORY_FREE, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr28AssertViolationMEMORY_FREE, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation]=== [2018-04-11 13:41:45,261 INFO L82 PathProgramCache]: Analyzing trace with hash 295905981, now seen corresponding path program 1 times [2018-04-11 13:41:45,261 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 13:41:45,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 13:41:45,269 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 13:41:45,365 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 2 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:41:45,365 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-11 13:41:45,365 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2018-04-11 13:41:45,365 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 13:41:45,365 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 13:41:45,365 INFO L182 omatonBuilderFactory]: Interpolants [6256#(= |main_#t~mem14| 3), 6245#true, 6246#false, 6247#(= 0 |main_#t~malloc0.offset|), 6248#(= 0 main_~a~0.offset), 6249#(and (= 0 main_~a~0.offset) (= main_~p~0.offset 0) (= main_~p~0.base main_~a~0.base)), 6250#(and (= 0 main_~a~0.offset) (= (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4)) |main_#t~mem5.offset|) (= (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)) |main_#t~mem5.base|)), 6251#(and (= 0 main_~a~0.offset) (= main_~p~0.offset (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))), 6252#(and (= 0 main_~a~0.offset) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) 3)), 6253#(= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4))) 3), 6254#(= (select (select |#memory_int| |main_#t~mem13.base|) |main_#t~mem13.offset|) 3), 6255#(= (select (select |#memory_int| main_~p~0.base) main_~p~0.offset) 3)] [2018-04-11 13:41:45,366 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 2 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:41:45,366 INFO L442 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-04-11 13:41:45,366 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-04-11 13:41:45,366 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2018-04-11 13:41:45,366 INFO L87 Difference]: Start difference. First operand 152 states and 171 transitions. Second operand 12 states. [2018-04-11 13:41:45,736 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 13:41:45,736 INFO L93 Difference]: Finished difference Result 210 states and 227 transitions. [2018-04-11 13:41:45,736 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-04-11 13:41:45,736 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 46 [2018-04-11 13:41:45,736 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 13:41:45,737 INFO L225 Difference]: With dead ends: 210 [2018-04-11 13:41:45,737 INFO L226 Difference]: Without dead ends: 210 [2018-04-11 13:41:45,737 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 54 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=115, Invalid=391, Unknown=0, NotChecked=0, Total=506 [2018-04-11 13:41:45,737 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 210 states. [2018-04-11 13:41:45,738 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 210 to 149. [2018-04-11 13:41:45,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 149 states. [2018-04-11 13:41:45,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 149 states and 167 transitions. [2018-04-11 13:41:45,739 INFO L78 Accepts]: Start accepts. Automaton has 149 states and 167 transitions. Word has length 46 [2018-04-11 13:41:45,739 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 13:41:45,739 INFO L459 AbstractCegarLoop]: Abstraction has 149 states and 167 transitions. [2018-04-11 13:41:45,739 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-04-11 13:41:45,739 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 167 transitions. [2018-04-11 13:41:45,740 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2018-04-11 13:41:45,740 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 13:41:45,740 INFO L355 BasicCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 13:41:45,740 INFO L408 AbstractCegarLoop]: === Iteration 20 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr29AssertViolationMEMORY_FREE, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr30AssertViolationMEMORY_FREE, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr32EnsuresViolationMEMORY_LEAK, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr31AssertViolationMEMORY_FREE, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr28AssertViolationMEMORY_FREE, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation]=== [2018-04-11 13:41:45,740 INFO L82 PathProgramCache]: Analyzing trace with hash 630501015, now seen corresponding path program 2 times [2018-04-11 13:41:45,741 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 13:41:45,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 13:41:45,753 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 13:41:45,962 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 2 proven. 19 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:41:45,962 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-11 13:41:45,962 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [18] total 18 [2018-04-11 13:41:45,962 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 13:41:45,963 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 13:41:45,963 INFO L182 omatonBuilderFactory]: Interpolants [6638#true, 6639#false, 6640#(and (= main_~p~0.offset main_~a~0.offset) (= main_~p~0.base main_~a~0.base)), 6641#(and (= (select (select |#memory_int| main_~p~0.base) main_~a~0.offset) 2) (= (select |#valid| main_~p~0.base) 1) (= main_~p~0.base main_~a~0.base)), 6642#(and (not (= main_~p~0.base |main_#t~malloc9.base|)) (= (select (select |#memory_int| main_~p~0.base) main_~a~0.offset) 2) (= main_~p~0.base main_~a~0.base)), 6643#(and (= (select (select |#memory_int| main_~p~0.base) main_~a~0.offset) 2) (not (= main_~p~0.base main_~t~0.base)) (= main_~p~0.base main_~a~0.base)), 6644#(and (= (select (select |#memory_int| main_~p~0.base) main_~a~0.offset) 2) (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= (select |#valid| main_~p~0.base) 1) (= main_~p~0.base main_~a~0.base)), 6645#(and (= (select |#valid| main_~a~0.base) 1) (= (select (select |#memory_int| main_~a~0.base) main_~a~0.offset) 2) (not (= main_~a~0.base |main_#t~mem10.base|))), 6646#(and (= (select |#valid| main_~a~0.base) 1) (= (select (select |#memory_int| main_~a~0.base) main_~a~0.offset) 2) (not (= main_~p~0.base main_~a~0.base))), 6647#(and (= (select |#valid| main_~a~0.base) 1) (= (select (select |#memory_int| main_~a~0.base) main_~a~0.offset) 2)), 6648#(and (= (select (select |#memory_int| main_~a~0.base) main_~a~0.offset) 2) (not (= main_~a~0.base |main_#t~malloc9.base|))), 6649#(and (= (select (select |#memory_int| main_~a~0.base) main_~a~0.offset) 2) (not (= main_~a~0.base main_~t~0.base))), 6650#(and (not (= main_~a~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= (select (select |#memory_int| main_~a~0.base) main_~a~0.offset) 2)), 6651#(and (= (select (select |#memory_int| main_~a~0.base) main_~a~0.offset) 2) (not (= main_~a~0.base |main_#t~mem10.base|))), 6652#(and (= (select (select |#memory_int| main_~a~0.base) main_~a~0.offset) 2) (not (= main_~p~0.base main_~a~0.base))), 6653#(= (select (select |#memory_int| main_~a~0.base) main_~a~0.offset) 2), 6654#(= (select (select |#memory_int| main_~p~0.base) main_~p~0.offset) 2), 6655#(= |main_#t~mem11| 2)] [2018-04-11 13:41:45,963 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 2 proven. 19 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:41:45,963 INFO L442 AbstractCegarLoop]: Interpolant automaton has 18 states [2018-04-11 13:41:45,964 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2018-04-11 13:41:45,964 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=251, Unknown=0, NotChecked=0, Total=306 [2018-04-11 13:41:45,964 INFO L87 Difference]: Start difference. First operand 149 states and 167 transitions. Second operand 18 states. [2018-04-11 13:41:46,401 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 13:41:46,402 INFO L93 Difference]: Finished difference Result 231 states and 251 transitions. [2018-04-11 13:41:46,402 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2018-04-11 13:41:46,402 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 49 [2018-04-11 13:41:46,402 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 13:41:46,402 INFO L225 Difference]: With dead ends: 231 [2018-04-11 13:41:46,403 INFO L226 Difference]: Without dead ends: 231 [2018-04-11 13:41:46,403 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 121 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=220, Invalid=710, Unknown=0, NotChecked=0, Total=930 [2018-04-11 13:41:46,403 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 231 states. [2018-04-11 13:41:46,404 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 231 to 165. [2018-04-11 13:41:46,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 165 states. [2018-04-11 13:41:46,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 165 states and 185 transitions. [2018-04-11 13:41:46,405 INFO L78 Accepts]: Start accepts. Automaton has 165 states and 185 transitions. Word has length 49 [2018-04-11 13:41:46,405 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 13:41:46,405 INFO L459 AbstractCegarLoop]: Abstraction has 165 states and 185 transitions. [2018-04-11 13:41:46,405 INFO L460 AbstractCegarLoop]: Interpolant automaton has 18 states. [2018-04-11 13:41:46,405 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 185 transitions. [2018-04-11 13:41:46,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2018-04-11 13:41:46,405 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 13:41:46,406 INFO L355 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 13:41:46,406 INFO L408 AbstractCegarLoop]: === Iteration 21 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr29AssertViolationMEMORY_FREE, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr30AssertViolationMEMORY_FREE, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr32EnsuresViolationMEMORY_LEAK, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr31AssertViolationMEMORY_FREE, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr28AssertViolationMEMORY_FREE, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation]=== [2018-04-11 13:41:46,406 INFO L82 PathProgramCache]: Analyzing trace with hash 369984641, now seen corresponding path program 1 times [2018-04-11 13:41:46,406 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 13:41:46,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 13:41:46,414 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 13:41:46,561 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:41:46,562 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-11 13:41:46,562 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [15] total 15 [2018-04-11 13:41:46,562 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 13:41:46,562 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 13:41:46,562 INFO L182 omatonBuilderFactory]: Interpolants [7078#true, 7079#false, 7080#(= 0 |main_#t~malloc0.offset|), 7081#(= 0 main_~a~0.offset), 7082#(and (= 0 main_~a~0.offset) (= main_~p~0.offset 0) (= main_~p~0.base main_~a~0.base)), 7083#(and (= 0 main_~a~0.offset) (= main_~p~0.offset 0) (= (select |#valid| main_~p~0.base) 1) (= main_~p~0.base main_~a~0.base)), 7084#(and (= 0 main_~a~0.offset) (= main_~p~0.offset 0) (not (= main_~p~0.base |main_#t~malloc4.base|)) (= main_~p~0.base main_~a~0.base)), 7085#(and (= 0 main_~a~0.offset) (= main_~p~0.offset 0) (not (= main_~p~0.base main_~t~0.base)) (= main_~p~0.base main_~a~0.base)), 7086#(and (= 0 main_~a~0.offset) (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= main_~p~0.offset 0) (= main_~p~0.base main_~a~0.base)), 7087#(and (not (= main_~a~0.base |main_#t~mem5.base|)) (= 0 main_~a~0.offset) (= |main_#t~mem5.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))), 7088#(and (= 0 main_~a~0.offset) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (not (= main_~p~0.base main_~a~0.base))), 7089#(and (= 0 main_~a~0.offset) (= 1 (select |#valid| main_~p~0.base)) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))), 7090#(and (= 0 main_~a~0.offset) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))))), 7091#(and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= main_~p~0.offset 0)), 7092#(= 1 (select |#valid| |main_#t~mem13.base|)), 7093#(= 1 (select |#valid| main_~p~0.base))] [2018-04-11 13:41:46,562 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:41:46,562 INFO L442 AbstractCegarLoop]: Interpolant automaton has 16 states [2018-04-11 13:41:46,562 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2018-04-11 13:41:46,563 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=195, Unknown=0, NotChecked=0, Total=240 [2018-04-11 13:41:46,563 INFO L87 Difference]: Start difference. First operand 165 states and 185 transitions. Second operand 16 states. [2018-04-11 13:41:47,013 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 13:41:47,013 INFO L93 Difference]: Finished difference Result 261 states and 287 transitions. [2018-04-11 13:41:47,014 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2018-04-11 13:41:47,014 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 49 [2018-04-11 13:41:47,014 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 13:41:47,014 INFO L225 Difference]: With dead ends: 261 [2018-04-11 13:41:47,015 INFO L226 Difference]: Without dead ends: 261 [2018-04-11 13:41:47,015 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 174 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=262, Invalid=860, Unknown=0, NotChecked=0, Total=1122 [2018-04-11 13:41:47,015 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 261 states. [2018-04-11 13:41:47,017 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 261 to 196. [2018-04-11 13:41:47,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 196 states. [2018-04-11 13:41:47,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 196 states and 222 transitions. [2018-04-11 13:41:47,017 INFO L78 Accepts]: Start accepts. Automaton has 196 states and 222 transitions. Word has length 49 [2018-04-11 13:41:47,017 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 13:41:47,017 INFO L459 AbstractCegarLoop]: Abstraction has 196 states and 222 transitions. [2018-04-11 13:41:47,017 INFO L460 AbstractCegarLoop]: Interpolant automaton has 16 states. [2018-04-11 13:41:47,017 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 222 transitions. [2018-04-11 13:41:47,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2018-04-11 13:41:47,018 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 13:41:47,018 INFO L355 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 13:41:47,018 INFO L408 AbstractCegarLoop]: === Iteration 22 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr29AssertViolationMEMORY_FREE, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr30AssertViolationMEMORY_FREE, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr32EnsuresViolationMEMORY_LEAK, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr31AssertViolationMEMORY_FREE, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr28AssertViolationMEMORY_FREE, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation]=== [2018-04-11 13:41:47,018 INFO L82 PathProgramCache]: Analyzing trace with hash 369984642, now seen corresponding path program 1 times [2018-04-11 13:41:47,018 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 13:41:47,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 13:41:47,027 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 13:41:47,255 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:41:47,255 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-11 13:41:47,255 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [15] total 15 [2018-04-11 13:41:47,256 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 13:41:47,256 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 13:41:47,256 INFO L182 omatonBuilderFactory]: Interpolants [7587#true, 7588#false, 7589#(= 0 |main_#t~malloc0.offset|), 7590#(= 0 main_~a~0.offset), 7591#(and (= 0 main_~a~0.offset) (= main_~p~0.offset 0) (= main_~p~0.base main_~a~0.base)), 7592#(and (= 0 main_~a~0.offset) (= main_~p~0.offset 0) (= (select |#valid| main_~p~0.base) 1) (= main_~p~0.base main_~a~0.base)), 7593#(and (= 0 main_~a~0.offset) (= main_~p~0.offset 0) (not (= main_~p~0.base |main_#t~malloc4.base|)) (= main_~p~0.base main_~a~0.base) (= 0 |main_#t~malloc4.offset|)), 7594#(and (= 0 main_~a~0.offset) (= 0 main_~t~0.offset) (= main_~p~0.offset 0) (not (= main_~p~0.base main_~t~0.base)) (= main_~p~0.base main_~a~0.base)), 7595#(and (= 0 main_~a~0.offset) (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= main_~p~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4))) (= main_~p~0.base main_~a~0.base)), 7596#(and (not (= main_~a~0.base |main_#t~mem5.base|)) (= 0 main_~a~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)) |main_#t~mem5.base|) (= 0 |main_#t~mem5.offset|)), 7597#(and (= 0 main_~a~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~p~0.offset 0) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (not (= main_~p~0.base main_~a~0.base))), 7598#(and (= 0 main_~a~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~p~0.offset 0) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (<= (+ main_~p~0.offset 8) (select |#length| main_~p~0.base))), 7599#(and (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= 0 main_~a~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4)))), 7600#(and (= main_~p~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4))) (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))))), 7601#(and (<= 8 (select |#length| |main_#t~mem13.base|)) (= 0 |main_#t~mem13.offset|)), 7602#(and (= main_~p~0.offset 0) (<= 8 (select |#length| main_~p~0.base)))] [2018-04-11 13:41:47,256 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:41:47,256 INFO L442 AbstractCegarLoop]: Interpolant automaton has 16 states [2018-04-11 13:41:47,257 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2018-04-11 13:41:47,257 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=196, Unknown=0, NotChecked=0, Total=240 [2018-04-11 13:41:47,257 INFO L87 Difference]: Start difference. First operand 196 states and 222 transitions. Second operand 16 states. [2018-04-11 13:41:48,007 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 13:41:48,008 INFO L93 Difference]: Finished difference Result 289 states and 318 transitions. [2018-04-11 13:41:48,038 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2018-04-11 13:41:48,039 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 49 [2018-04-11 13:41:48,039 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 13:41:48,040 INFO L225 Difference]: With dead ends: 289 [2018-04-11 13:41:48,040 INFO L226 Difference]: Without dead ends: 289 [2018-04-11 13:41:48,040 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 210 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=288, Invalid=1044, Unknown=0, NotChecked=0, Total=1332 [2018-04-11 13:41:48,040 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 289 states. [2018-04-11 13:41:48,042 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 289 to 200. [2018-04-11 13:41:48,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 200 states. [2018-04-11 13:41:48,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 200 states and 227 transitions. [2018-04-11 13:41:48,043 INFO L78 Accepts]: Start accepts. Automaton has 200 states and 227 transitions. Word has length 49 [2018-04-11 13:41:48,043 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 13:41:48,043 INFO L459 AbstractCegarLoop]: Abstraction has 200 states and 227 transitions. [2018-04-11 13:41:48,043 INFO L460 AbstractCegarLoop]: Interpolant automaton has 16 states. [2018-04-11 13:41:48,043 INFO L276 IsEmpty]: Start isEmpty. Operand 200 states and 227 transitions. [2018-04-11 13:41:48,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-04-11 13:41:48,043 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 13:41:48,043 INFO L355 BasicCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 13:41:48,044 INFO L408 AbstractCegarLoop]: === Iteration 23 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr29AssertViolationMEMORY_FREE, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr30AssertViolationMEMORY_FREE, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr32EnsuresViolationMEMORY_LEAK, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr31AssertViolationMEMORY_FREE, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr28AssertViolationMEMORY_FREE, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation]=== [2018-04-11 13:41:48,044 INFO L82 PathProgramCache]: Analyzing trace with hash 1826491666, now seen corresponding path program 3 times [2018-04-11 13:41:48,044 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 13:41:48,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 13:41:48,051 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 13:41:48,212 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:41:48,212 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-11 13:41:48,212 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [14] total 14 [2018-04-11 13:41:48,213 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 13:41:48,213 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 13:41:48,213 INFO L182 omatonBuilderFactory]: Interpolants [8134#true, 8135#false, 8136#(= 0 |main_#t~malloc0.offset|), 8137#(= 0 main_~a~0.offset), 8138#(and (= 0 main_~a~0.offset) (= main_~p~0.offset 0) (= main_~p~0.base main_~a~0.base)), 8139#(and (= 0 main_~a~0.offset) (= main_~p~0.offset 0) (= (select |#valid| main_~p~0.base) 1) (= main_~p~0.base main_~a~0.base)), 8140#(and (not (= main_~p~0.base |main_#t~malloc9.base|)) (= 0 main_~a~0.offset) (= main_~p~0.offset 0) (= main_~p~0.base main_~a~0.base)), 8141#(and (= 0 main_~a~0.offset) (= main_~p~0.offset 0) (not (= main_~p~0.base main_~t~0.base)) (= main_~p~0.base main_~a~0.base)), 8142#(and (= 0 main_~a~0.offset) (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= main_~p~0.offset 0) (= main_~p~0.base main_~a~0.base)), 8143#(and (= 0 main_~a~0.offset) (not (= main_~a~0.base |main_#t~mem10.base|)) (= |main_#t~mem10.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))), 8144#(and (= 0 main_~a~0.offset) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (not (= main_~p~0.base main_~a~0.base))), 8145#(and (= 0 main_~a~0.offset) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))))), 8146#(and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= main_~p~0.offset 0)), 8147#(= 1 (select |#valid| |main_#t~mem16.base|)), 8148#(= 1 (select |#valid| main_~p~0.base))] [2018-04-11 13:41:48,213 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:41:48,213 INFO L442 AbstractCegarLoop]: Interpolant automaton has 15 states [2018-04-11 13:41:48,214 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2018-04-11 13:41:48,214 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=170, Unknown=0, NotChecked=0, Total=210 [2018-04-11 13:41:48,214 INFO L87 Difference]: Start difference. First operand 200 states and 227 transitions. Second operand 15 states. [2018-04-11 13:41:48,667 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 13:41:48,667 INFO L93 Difference]: Finished difference Result 269 states and 298 transitions. [2018-04-11 13:41:48,667 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2018-04-11 13:41:48,667 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 52 [2018-04-11 13:41:48,668 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 13:41:48,668 INFO L225 Difference]: With dead ends: 269 [2018-04-11 13:41:48,668 INFO L226 Difference]: Without dead ends: 269 [2018-04-11 13:41:48,668 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 165 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=256, Invalid=800, Unknown=0, NotChecked=0, Total=1056 [2018-04-11 13:41:48,669 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 269 states. [2018-04-11 13:41:48,670 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 269 to 221. [2018-04-11 13:41:48,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 221 states. [2018-04-11 13:41:48,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 221 states and 250 transitions. [2018-04-11 13:41:48,671 INFO L78 Accepts]: Start accepts. Automaton has 221 states and 250 transitions. Word has length 52 [2018-04-11 13:41:48,671 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 13:41:48,671 INFO L459 AbstractCegarLoop]: Abstraction has 221 states and 250 transitions. [2018-04-11 13:41:48,671 INFO L460 AbstractCegarLoop]: Interpolant automaton has 15 states. [2018-04-11 13:41:48,671 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 250 transitions. [2018-04-11 13:41:48,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-04-11 13:41:48,671 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 13:41:48,671 INFO L355 BasicCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 13:41:48,671 INFO L408 AbstractCegarLoop]: === Iteration 24 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr29AssertViolationMEMORY_FREE, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr30AssertViolationMEMORY_FREE, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr32EnsuresViolationMEMORY_LEAK, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr31AssertViolationMEMORY_FREE, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr28AssertViolationMEMORY_FREE, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation]=== [2018-04-11 13:41:48,672 INFO L82 PathProgramCache]: Analyzing trace with hash 1826491667, now seen corresponding path program 2 times [2018-04-11 13:41:48,672 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 13:41:48,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 13:41:48,678 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 13:41:48,827 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:41:48,828 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-11 13:41:48,828 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [15] total 15 [2018-04-11 13:41:48,828 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 13:41:48,828 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 13:41:48,828 INFO L182 omatonBuilderFactory]: Interpolants [8675#true, 8676#false, 8677#(= 0 |main_#t~malloc0.offset|), 8678#(= 0 main_~a~0.offset), 8679#(and (= 0 main_~a~0.offset) (= main_~p~0.offset 0) (= main_~p~0.base main_~a~0.base)), 8680#(and (= 0 main_~a~0.offset) (= main_~p~0.offset 0) (= (select |#valid| main_~p~0.base) 1) (= main_~p~0.base main_~a~0.base)), 8681#(and (not (= main_~p~0.base |main_#t~malloc9.base|)) (= 0 |main_#t~malloc9.offset|) (= 0 main_~a~0.offset) (= main_~p~0.offset 0) (= main_~p~0.base main_~a~0.base)), 8682#(and (= 0 main_~a~0.offset) (= 0 main_~t~0.offset) (= main_~p~0.offset 0) (not (= main_~p~0.base main_~t~0.base)) (= main_~p~0.base main_~a~0.base)), 8683#(and (= 0 main_~a~0.offset) (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= main_~p~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4))) (= main_~p~0.base main_~a~0.base)), 8684#(and (= 0 main_~a~0.offset) (= (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)) |main_#t~mem10.base|) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (not (= main_~a~0.base |main_#t~mem10.base|)) (= 0 |main_#t~mem10.offset|)), 8685#(and (= 0 main_~a~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~p~0.offset 0) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (not (= main_~p~0.base main_~a~0.base))), 8686#(and (= 0 main_~a~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~p~0.offset 0) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (<= (+ main_~p~0.offset 8) (select |#length| main_~p~0.base))), 8687#(and (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= 0 main_~a~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4)))), 8688#(and (= main_~p~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4))) (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))))), 8689#(and (<= 8 (select |#length| |main_#t~mem16.base|)) (= 0 |main_#t~mem16.offset|)), 8690#(and (= main_~p~0.offset 0) (<= 8 (select |#length| main_~p~0.base)))] [2018-04-11 13:41:48,828 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:41:48,829 INFO L442 AbstractCegarLoop]: Interpolant automaton has 16 states [2018-04-11 13:41:48,829 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2018-04-11 13:41:48,829 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=196, Unknown=0, NotChecked=0, Total=240 [2018-04-11 13:41:48,829 INFO L87 Difference]: Start difference. First operand 221 states and 250 transitions. Second operand 16 states. [2018-04-11 13:41:49,430 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 13:41:49,431 INFO L93 Difference]: Finished difference Result 293 states and 323 transitions. [2018-04-11 13:41:49,431 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2018-04-11 13:41:49,431 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 52 [2018-04-11 13:41:49,431 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 13:41:49,432 INFO L225 Difference]: With dead ends: 293 [2018-04-11 13:41:49,432 INFO L226 Difference]: Without dead ends: 293 [2018-04-11 13:41:49,432 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 207 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=288, Invalid=1044, Unknown=0, NotChecked=0, Total=1332 [2018-04-11 13:41:49,432 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 293 states. [2018-04-11 13:41:49,434 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 293 to 221. [2018-04-11 13:41:49,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 221 states. [2018-04-11 13:41:49,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 221 states and 250 transitions. [2018-04-11 13:41:49,434 INFO L78 Accepts]: Start accepts. Automaton has 221 states and 250 transitions. Word has length 52 [2018-04-11 13:41:49,434 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 13:41:49,434 INFO L459 AbstractCegarLoop]: Abstraction has 221 states and 250 transitions. [2018-04-11 13:41:49,434 INFO L460 AbstractCegarLoop]: Interpolant automaton has 16 states. [2018-04-11 13:41:49,435 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 250 transitions. [2018-04-11 13:41:49,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-04-11 13:41:49,435 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 13:41:49,435 INFO L355 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 13:41:49,435 INFO L408 AbstractCegarLoop]: === Iteration 25 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr29AssertViolationMEMORY_FREE, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr30AssertViolationMEMORY_FREE, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr32EnsuresViolationMEMORY_LEAK, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr31AssertViolationMEMORY_FREE, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr28AssertViolationMEMORY_FREE, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation]=== [2018-04-11 13:41:49,435 INFO L82 PathProgramCache]: Analyzing trace with hash 1789097704, now seen corresponding path program 1 times [2018-04-11 13:41:49,436 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 13:41:49,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 13:41:49,442 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 13:41:49,585 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-04-11 13:41:49,585 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-11 13:41:49,585 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [18] total 18 [2018-04-11 13:41:49,585 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 13:41:49,585 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 13:41:49,585 INFO L182 omatonBuilderFactory]: Interpolants [9248#false, 9249#(and (= main_~p~0.offset main_~a~0.offset) (= main_~p~0.base main_~a~0.base)), 9250#(and (= 1 (select (select |#memory_int| main_~p~0.base) main_~a~0.offset)) (= (select |#valid| main_~p~0.base) 1) (= main_~p~0.base main_~a~0.base)), 9251#(and (= 1 (select (select |#memory_int| main_~p~0.base) main_~a~0.offset)) (not (= main_~p~0.base |main_#t~malloc4.base|)) (= main_~p~0.base main_~a~0.base)), 9252#(and (= 1 (select (select |#memory_int| main_~p~0.base) main_~a~0.offset)) (not (= main_~p~0.base main_~t~0.base)) (= main_~p~0.base main_~a~0.base)), 9253#(and (= 1 (select (select |#memory_int| main_~p~0.base) main_~a~0.offset)) (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= (select |#valid| main_~p~0.base) 1) (= main_~p~0.base main_~a~0.base)), 9254#(and (not (= main_~a~0.base |main_#t~mem5.base|)) (= (select |#valid| main_~a~0.base) 1) (= 1 (select (select |#memory_int| main_~a~0.base) main_~a~0.offset))), 9255#(and (= (select |#valid| main_~a~0.base) 1) (not (= main_~p~0.base main_~a~0.base)) (= 1 (select (select |#memory_int| main_~a~0.base) main_~a~0.offset))), 9256#(and (= (select |#valid| main_~a~0.base) 1) (= 1 (select (select |#memory_int| main_~a~0.base) main_~a~0.offset))), 9257#(and (not (= main_~a~0.base |main_#t~malloc9.base|)) (= 1 (select (select |#memory_int| main_~a~0.base) main_~a~0.offset))), 9258#(and (= 1 (select (select |#memory_int| main_~a~0.base) main_~a~0.offset)) (not (= main_~a~0.base main_~t~0.base))), 9259#(and (not (= main_~a~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= 1 (select (select |#memory_int| main_~a~0.base) main_~a~0.offset))), 9260#(and (not (= main_~a~0.base |main_#t~mem10.base|)) (= 1 (select (select |#memory_int| main_~a~0.base) main_~a~0.offset))), 9261#(and (not (= main_~p~0.base main_~a~0.base)) (= 1 (select (select |#memory_int| main_~a~0.base) main_~a~0.offset))), 9262#(= 1 (select (select |#memory_int| main_~a~0.base) main_~a~0.offset)), 9263#(= 1 (select (select |#memory_int| main_~p~0.base) main_~p~0.offset)), 9264#(and (= |main_#t~mem11| (select (select |#memory_int| main_~p~0.base) main_~p~0.offset)) (= 1 (select (select |#memory_int| main_~p~0.base) main_~p~0.offset))), 9247#true] [2018-04-11 13:41:49,585 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-04-11 13:41:49,586 INFO L442 AbstractCegarLoop]: Interpolant automaton has 18 states [2018-04-11 13:41:49,586 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2018-04-11 13:41:49,586 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=252, Unknown=0, NotChecked=0, Total=306 [2018-04-11 13:41:49,586 INFO L87 Difference]: Start difference. First operand 221 states and 250 transitions. Second operand 18 states. [2018-04-11 13:41:50,259 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 13:41:50,260 INFO L93 Difference]: Finished difference Result 375 states and 414 transitions. [2018-04-11 13:41:50,260 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2018-04-11 13:41:50,260 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 52 [2018-04-11 13:41:50,260 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 13:41:50,261 INFO L225 Difference]: With dead ends: 375 [2018-04-11 13:41:50,261 INFO L226 Difference]: Without dead ends: 375 [2018-04-11 13:41:50,261 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 309 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=333, Invalid=1307, Unknown=0, NotChecked=0, Total=1640 [2018-04-11 13:41:50,262 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 375 states. [2018-04-11 13:41:50,264 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 375 to 246. [2018-04-11 13:41:50,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 246 states. [2018-04-11 13:41:50,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 246 states and 279 transitions. [2018-04-11 13:41:50,264 INFO L78 Accepts]: Start accepts. Automaton has 246 states and 279 transitions. Word has length 52 [2018-04-11 13:41:50,264 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 13:41:50,264 INFO L459 AbstractCegarLoop]: Abstraction has 246 states and 279 transitions. [2018-04-11 13:41:50,264 INFO L460 AbstractCegarLoop]: Interpolant automaton has 18 states. [2018-04-11 13:41:50,264 INFO L276 IsEmpty]: Start isEmpty. Operand 246 states and 279 transitions. [2018-04-11 13:41:50,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-04-11 13:41:50,265 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 13:41:50,265 INFO L355 BasicCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 13:41:50,265 INFO L408 AbstractCegarLoop]: === Iteration 26 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr29AssertViolationMEMORY_FREE, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr30AssertViolationMEMORY_FREE, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr32EnsuresViolationMEMORY_LEAK, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr31AssertViolationMEMORY_FREE, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr28AssertViolationMEMORY_FREE, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation]=== [2018-04-11 13:41:50,265 INFO L82 PathProgramCache]: Analyzing trace with hash -916597038, now seen corresponding path program 2 times [2018-04-11 13:41:50,266 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 13:41:50,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 13:41:50,272 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 13:41:50,452 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 19 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-04-11 13:41:50,452 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-11 13:41:50,452 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [18] total 18 [2018-04-11 13:41:50,452 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 13:41:50,452 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 13:41:50,452 INFO L182 omatonBuilderFactory]: Interpolants [9932#true, 9933#false, 9934#(and (= main_~p~0.offset main_~a~0.offset) (= main_~p~0.base main_~a~0.base)), 9935#(and (= 1 (select (select |#memory_int| main_~p~0.base) main_~a~0.offset)) (= (select |#valid| main_~p~0.base) 1) (= main_~p~0.base main_~a~0.base)), 9936#(and (= 1 (select (select |#memory_int| main_~p~0.base) main_~a~0.offset)) (not (= main_~p~0.base |main_#t~malloc4.base|)) (= main_~p~0.base main_~a~0.base)), 9937#(and (= 1 (select (select |#memory_int| main_~p~0.base) main_~a~0.offset)) (not (= main_~p~0.base main_~t~0.base)) (= main_~p~0.base main_~a~0.base)), 9938#(and (= 1 (select (select |#memory_int| main_~p~0.base) main_~a~0.offset)) (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= (select |#valid| main_~p~0.base) 1) (= main_~p~0.base main_~a~0.base)), 9939#(and (not (= main_~a~0.base |main_#t~mem5.base|)) (= (select |#valid| main_~a~0.base) 1) (= 1 (select (select |#memory_int| main_~a~0.base) main_~a~0.offset))), 9940#(and (= (select |#valid| main_~a~0.base) 1) (not (= main_~p~0.base main_~a~0.base)) (= 1 (select (select |#memory_int| main_~a~0.base) main_~a~0.offset))), 9941#(and (= (select |#valid| main_~a~0.base) 1) (= 1 (select (select |#memory_int| main_~a~0.base) main_~a~0.offset))), 9942#(and (not (= main_~a~0.base |main_#t~malloc4.base|)) (= 1 (select (select |#memory_int| main_~a~0.base) main_~a~0.offset))), 9943#(and (= 1 (select (select |#memory_int| main_~a~0.base) main_~a~0.offset)) (not (= main_~a~0.base main_~t~0.base))), 9944#(and (not (= main_~a~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= 1 (select (select |#memory_int| main_~a~0.base) main_~a~0.offset))), 9945#(and (not (= main_~a~0.base |main_#t~mem5.base|)) (= 1 (select (select |#memory_int| main_~a~0.base) main_~a~0.offset))), 9946#(and (not (= main_~p~0.base main_~a~0.base)) (= 1 (select (select |#memory_int| main_~a~0.base) main_~a~0.offset))), 9947#(= 1 (select (select |#memory_int| main_~a~0.base) main_~a~0.offset)), 9948#(= 1 (select (select |#memory_int| main_~p~0.base) main_~p~0.offset)), 9949#(and (= |main_#t~mem11| (select (select |#memory_int| main_~p~0.base) main_~p~0.offset)) (= 1 (select (select |#memory_int| main_~p~0.base) main_~p~0.offset)))] [2018-04-11 13:41:50,452 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 19 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-04-11 13:41:50,453 INFO L442 AbstractCegarLoop]: Interpolant automaton has 18 states [2018-04-11 13:41:50,453 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2018-04-11 13:41:50,453 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=250, Unknown=0, NotChecked=0, Total=306 [2018-04-11 13:41:50,453 INFO L87 Difference]: Start difference. First operand 246 states and 279 transitions. Second operand 18 states. [2018-04-11 13:41:50,944 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 13:41:50,944 INFO L93 Difference]: Finished difference Result 354 states and 394 transitions. [2018-04-11 13:41:50,944 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2018-04-11 13:41:50,944 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 52 [2018-04-11 13:41:50,945 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 13:41:50,945 INFO L225 Difference]: With dead ends: 354 [2018-04-11 13:41:50,945 INFO L226 Difference]: Without dead ends: 354 [2018-04-11 13:41:50,946 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 164 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=248, Invalid=808, Unknown=0, NotChecked=0, Total=1056 [2018-04-11 13:41:50,946 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 354 states. [2018-04-11 13:41:50,948 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 354 to 245. [2018-04-11 13:41:50,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 245 states. [2018-04-11 13:41:50,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 245 states to 245 states and 279 transitions. [2018-04-11 13:41:50,949 INFO L78 Accepts]: Start accepts. Automaton has 245 states and 279 transitions. Word has length 52 [2018-04-11 13:41:50,949 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 13:41:50,949 INFO L459 AbstractCegarLoop]: Abstraction has 245 states and 279 transitions. [2018-04-11 13:41:50,949 INFO L460 AbstractCegarLoop]: Interpolant automaton has 18 states. [2018-04-11 13:41:50,949 INFO L276 IsEmpty]: Start isEmpty. Operand 245 states and 279 transitions. [2018-04-11 13:41:50,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-04-11 13:41:50,950 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 13:41:50,950 INFO L355 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 13:41:50,950 INFO L408 AbstractCegarLoop]: === Iteration 27 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr29AssertViolationMEMORY_FREE, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr30AssertViolationMEMORY_FREE, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr32EnsuresViolationMEMORY_LEAK, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr31AssertViolationMEMORY_FREE, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr28AssertViolationMEMORY_FREE, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation]=== [2018-04-11 13:41:50,950 INFO L82 PathProgramCache]: Analyzing trace with hash -1272790085, now seen corresponding path program 1 times [2018-04-11 13:41:50,951 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 13:41:50,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 13:41:50,958 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 13:41:50,992 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-04-11 13:41:50,992 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-11 13:41:50,992 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [4] total 4 [2018-04-11 13:41:50,992 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 13:41:50,992 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 13:41:50,993 INFO L182 omatonBuilderFactory]: Interpolants [10579#true, 10580#false, 10581#(and (= main_~y~0 0) (= main_~i~0 0)), 10582#(and (<= main_~y~0 1) (= main_~i~0 0))] [2018-04-11 13:41:50,993 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-04-11 13:41:50,993 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-04-11 13:41:50,993 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-04-11 13:41:50,993 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-04-11 13:41:50,993 INFO L87 Difference]: Start difference. First operand 245 states and 279 transitions. Second operand 4 states. [2018-04-11 13:41:51,010 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 13:41:51,010 INFO L93 Difference]: Finished difference Result 262 states and 297 transitions. [2018-04-11 13:41:51,011 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-04-11 13:41:51,011 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 53 [2018-04-11 13:41:51,011 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 13:41:51,012 INFO L225 Difference]: With dead ends: 262 [2018-04-11 13:41:51,012 INFO L226 Difference]: Without dead ends: 247 [2018-04-11 13:41:51,012 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-04-11 13:41:51,013 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 247 states. [2018-04-11 13:41:51,015 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 247 to 244. [2018-04-11 13:41:51,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 244 states. [2018-04-11 13:41:51,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 244 states and 280 transitions. [2018-04-11 13:41:51,015 INFO L78 Accepts]: Start accepts. Automaton has 244 states and 280 transitions. Word has length 53 [2018-04-11 13:41:51,016 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 13:41:51,016 INFO L459 AbstractCegarLoop]: Abstraction has 244 states and 280 transitions. [2018-04-11 13:41:51,016 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-04-11 13:41:51,016 INFO L276 IsEmpty]: Start isEmpty. Operand 244 states and 280 transitions. [2018-04-11 13:41:51,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-04-11 13:41:51,016 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 13:41:51,016 INFO L355 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 13:41:51,017 INFO L408 AbstractCegarLoop]: === Iteration 28 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr29AssertViolationMEMORY_FREE, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr30AssertViolationMEMORY_FREE, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr32EnsuresViolationMEMORY_LEAK, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr31AssertViolationMEMORY_FREE, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr28AssertViolationMEMORY_FREE, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation]=== [2018-04-11 13:41:51,017 INFO L82 PathProgramCache]: Analyzing trace with hash 2069737896, now seen corresponding path program 1 times [2018-04-11 13:41:51,017 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 13:41:51,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 13:41:51,024 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 13:41:51,052 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-04-11 13:41:51,052 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-11 13:41:51,052 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [4] total 4 [2018-04-11 13:41:51,052 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 13:41:51,053 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 13:41:51,053 INFO L182 omatonBuilderFactory]: Interpolants [11089#true, 11090#false, 11091#(and (= main_~y~0 0) (= main_~i~0 0)), 11092#(and (= main_~y~0 0) (<= main_~i~0 1))] [2018-04-11 13:41:51,053 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-04-11 13:41:51,053 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-04-11 13:41:51,053 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-04-11 13:41:51,053 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-04-11 13:41:51,054 INFO L87 Difference]: Start difference. First operand 244 states and 280 transitions. Second operand 4 states. [2018-04-11 13:41:51,071 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 13:41:51,071 INFO L93 Difference]: Finished difference Result 258 states and 295 transitions. [2018-04-11 13:41:51,071 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-04-11 13:41:51,071 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 53 [2018-04-11 13:41:51,071 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 13:41:51,072 INFO L225 Difference]: With dead ends: 258 [2018-04-11 13:41:51,072 INFO L226 Difference]: Without dead ends: 243 [2018-04-11 13:41:51,072 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-04-11 13:41:51,073 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 243 states. [2018-04-11 13:41:51,075 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 243 to 234. [2018-04-11 13:41:51,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 234 states. [2018-04-11 13:41:51,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 234 states to 234 states and 272 transitions. [2018-04-11 13:41:51,076 INFO L78 Accepts]: Start accepts. Automaton has 234 states and 272 transitions. Word has length 53 [2018-04-11 13:41:51,076 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 13:41:51,076 INFO L459 AbstractCegarLoop]: Abstraction has 234 states and 272 transitions. [2018-04-11 13:41:51,076 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-04-11 13:41:51,076 INFO L276 IsEmpty]: Start isEmpty. Operand 234 states and 272 transitions. [2018-04-11 13:41:51,077 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2018-04-11 13:41:51,077 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 13:41:51,077 INFO L355 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 13:41:51,077 INFO L408 AbstractCegarLoop]: === Iteration 29 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr29AssertViolationMEMORY_FREE, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr30AssertViolationMEMORY_FREE, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr32EnsuresViolationMEMORY_LEAK, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr31AssertViolationMEMORY_FREE, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr28AssertViolationMEMORY_FREE, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation]=== [2018-04-11 13:41:51,077 INFO L82 PathProgramCache]: Analyzing trace with hash -902212688, now seen corresponding path program 2 times [2018-04-11 13:41:51,078 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 13:41:51,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 13:41:51,088 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 13:41:51,363 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 6 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:41:51,363 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-11 13:41:51,364 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [22] total 22 [2018-04-11 13:41:51,364 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 13:41:51,364 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 13:41:51,364 INFO L182 omatonBuilderFactory]: Interpolants [11585#true, 11586#false, 11587#(= 0 |main_#t~malloc0.offset|), 11588#(= 0 main_~a~0.offset), 11589#(and (= 0 main_~a~0.offset) (= main_~p~0.offset 0) (= main_~p~0.base main_~a~0.base)), 11590#(and (= 0 main_~a~0.offset) (= main_~p~0.offset 0) (= (select |#valid| main_~p~0.base) 1) (= main_~p~0.base main_~a~0.base)), 11591#(and (= 0 main_~a~0.offset) (= main_~p~0.offset 0) (not (= main_~p~0.base |main_#t~malloc4.base|)) (= main_~p~0.base main_~a~0.base)), 11592#(and (= 0 main_~a~0.offset) (= main_~p~0.offset 0) (not (= main_~p~0.base main_~t~0.base)) (= main_~p~0.base main_~a~0.base)), 11593#(and (= 0 main_~a~0.offset) (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= main_~p~0.offset 0) (= main_~p~0.base main_~a~0.base)), 11594#(and (not (= main_~a~0.base |main_#t~mem5.base|)) (= 0 main_~a~0.offset) (= (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4)) |main_#t~mem5.offset|) (= (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)) |main_#t~mem5.base|)), 11595#(and (= 0 main_~a~0.offset) (= main_~p~0.offset (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (not (= main_~p~0.base main_~a~0.base))), 11596#(and (= 0 main_~a~0.offset) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (= (select |#valid| main_~p~0.base) 1) (not (= main_~p~0.base main_~a~0.base)) (= (select (select |#memory_int| main_~p~0.base) (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) 2)), 11597#(and (not (= main_~p~0.base |main_#t~malloc9.base|)) (= 0 main_~a~0.offset) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (not (= main_~p~0.base main_~a~0.base)) (= (select (select |#memory_int| main_~p~0.base) (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) 2)), 11598#(and (= 0 main_~a~0.offset) (not (= main_~p~0.base main_~t~0.base)) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (not (= main_~p~0.base main_~a~0.base)) (= (select (select |#memory_int| main_~p~0.base) (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) 2)), 11599#(and (= 0 main_~a~0.offset) (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (= (select (select |#memory_int| main_~p~0.base) (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) 2)), 11600#(and (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) 2) (= 0 main_~a~0.offset) (not (= (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)) |main_#t~mem10.base|))), 11601#(and (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) 2) (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= 0 main_~a~0.offset)), 11602#(and (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) 2) (= 0 main_~a~0.offset)), 11603#(and (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4))) 2) (= main_~p~0.offset 0)), 11604#(= (select (select |#memory_int| |main_#t~mem13.base|) |main_#t~mem13.offset|) 2), 11605#(= (select (select |#memory_int| main_~p~0.base) main_~p~0.offset) 2), 11606#(= |main_#t~mem11| 2)] [2018-04-11 13:41:51,364 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 6 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:41:51,364 INFO L442 AbstractCegarLoop]: Interpolant automaton has 22 states [2018-04-11 13:41:51,364 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2018-04-11 13:41:51,364 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=65, Invalid=397, Unknown=0, NotChecked=0, Total=462 [2018-04-11 13:41:51,364 INFO L87 Difference]: Start difference. First operand 234 states and 272 transitions. Second operand 22 states. [2018-04-11 13:41:52,193 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 13:41:52,194 INFO L93 Difference]: Finished difference Result 309 states and 347 transitions. [2018-04-11 13:41:52,194 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2018-04-11 13:41:52,194 INFO L78 Accepts]: Start accepts. Automaton has 22 states. Word has length 54 [2018-04-11 13:41:52,194 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 13:41:52,196 INFO L225 Difference]: With dead ends: 309 [2018-04-11 13:41:52,196 INFO L226 Difference]: Without dead ends: 309 [2018-04-11 13:41:52,197 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 341 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=327, Invalid=1653, Unknown=0, NotChecked=0, Total=1980 [2018-04-11 13:41:52,197 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 309 states. [2018-04-11 13:41:52,201 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 309 to 244. [2018-04-11 13:41:52,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 244 states. [2018-04-11 13:41:52,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 244 states and 282 transitions. [2018-04-11 13:41:52,202 INFO L78 Accepts]: Start accepts. Automaton has 244 states and 282 transitions. Word has length 54 [2018-04-11 13:41:52,202 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 13:41:52,202 INFO L459 AbstractCegarLoop]: Abstraction has 244 states and 282 transitions. [2018-04-11 13:41:52,202 INFO L460 AbstractCegarLoop]: Interpolant automaton has 22 states. [2018-04-11 13:41:52,202 INFO L276 IsEmpty]: Start isEmpty. Operand 244 states and 282 transitions. [2018-04-11 13:41:52,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2018-04-11 13:41:52,202 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 13:41:52,202 INFO L355 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 13:41:52,202 INFO L408 AbstractCegarLoop]: === Iteration 30 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr29AssertViolationMEMORY_FREE, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr30AssertViolationMEMORY_FREE, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr32EnsuresViolationMEMORY_LEAK, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr31AssertViolationMEMORY_FREE, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr28AssertViolationMEMORY_FREE, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation]=== [2018-04-11 13:41:52,203 INFO L82 PathProgramCache]: Analyzing trace with hash 1675321626, now seen corresponding path program 3 times [2018-04-11 13:41:52,203 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 13:41:52,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 13:41:52,210 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 13:41:52,492 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:41:52,492 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-11 13:41:52,493 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [18] total 18 [2018-04-11 13:41:52,493 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 13:41:52,493 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 13:41:52,493 INFO L182 omatonBuilderFactory]: Interpolants [12224#(= 1 (select |#valid| main_~p~0.base)), 12206#true, 12207#false, 12208#(= 0 |main_#t~malloc0.offset|), 12209#(= 0 main_~a~0.offset), 12210#(and (= 0 main_~a~0.offset) (= main_~p~0.offset 0) (= main_~p~0.base main_~a~0.base)), 12211#(and (= 0 main_~a~0.offset) (= main_~p~0.offset 0) (= (select |#valid| main_~p~0.base) 1) (= main_~p~0.base main_~a~0.base)), 12212#(and (= 0 main_~a~0.offset) (= main_~p~0.offset 0) (not (= main_~p~0.base |main_#t~malloc4.base|)) (= main_~p~0.base main_~a~0.base) (= 0 |main_#t~malloc4.offset|)), 12213#(and (= 0 main_~a~0.offset) (= 0 main_~t~0.offset) (= main_~p~0.offset 0) (not (= main_~p~0.base main_~t~0.base)) (= main_~p~0.base main_~a~0.base)), 12214#(and (= 0 main_~a~0.offset) (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= main_~p~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4))) (= main_~p~0.base main_~a~0.base)), 12215#(and (not (= main_~a~0.base |main_#t~mem5.base|)) (= 0 main_~a~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= |main_#t~mem5.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (= 0 |main_#t~mem5.offset|)), 12216#(and (= 0 main_~a~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~p~0.offset 0) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (not (= main_~p~0.base main_~a~0.base))), 12217#(and (= 0 main_~a~0.offset) (= 1 (select |#valid| |main_#t~malloc4.base|)) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~p~0.offset 0) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (not (= main_~p~0.base main_~a~0.base))), 12218#(and (= 0 main_~a~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~p~0.offset 0) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (not (= main_~p~0.base main_~a~0.base)) (= 1 (select |#valid| main_~t~0.base))), 12219#(and (= 0 main_~a~0.offset) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4)))), 12220#(and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) (+ 0 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4)))), 12221#(and (= 0 |main_#t~mem13.offset|) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| |main_#t~mem13.base|) (+ 0 4))))), 12222#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))), 12223#(= 1 (select |#valid| |main_#t~mem13.base|))] [2018-04-11 13:41:52,493 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:41:52,493 INFO L442 AbstractCegarLoop]: Interpolant automaton has 19 states [2018-04-11 13:41:52,493 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2018-04-11 13:41:52,493 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=290, Unknown=0, NotChecked=0, Total=342 [2018-04-11 13:41:52,493 INFO L87 Difference]: Start difference. First operand 244 states and 282 transitions. Second operand 19 states. [2018-04-11 13:41:53,129 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 13:41:53,130 INFO L93 Difference]: Finished difference Result 308 states and 347 transitions. [2018-04-11 13:41:53,130 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2018-04-11 13:41:53,130 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 54 [2018-04-11 13:41:53,130 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 13:41:53,131 INFO L225 Difference]: With dead ends: 308 [2018-04-11 13:41:53,131 INFO L226 Difference]: Without dead ends: 308 [2018-04-11 13:41:53,131 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 312 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=290, Invalid=1270, Unknown=0, NotChecked=0, Total=1560 [2018-04-11 13:41:53,131 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 308 states. [2018-04-11 13:41:53,133 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 308 to 247. [2018-04-11 13:41:53,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 247 states. [2018-04-11 13:41:53,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 247 states and 286 transitions. [2018-04-11 13:41:53,134 INFO L78 Accepts]: Start accepts. Automaton has 247 states and 286 transitions. Word has length 54 [2018-04-11 13:41:53,135 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 13:41:53,135 INFO L459 AbstractCegarLoop]: Abstraction has 247 states and 286 transitions. [2018-04-11 13:41:53,135 INFO L460 AbstractCegarLoop]: Interpolant automaton has 19 states. [2018-04-11 13:41:53,135 INFO L276 IsEmpty]: Start isEmpty. Operand 247 states and 286 transitions. [2018-04-11 13:41:53,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2018-04-11 13:41:53,136 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 13:41:53,136 INFO L355 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 13:41:53,136 INFO L408 AbstractCegarLoop]: === Iteration 31 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr29AssertViolationMEMORY_FREE, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr30AssertViolationMEMORY_FREE, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr32EnsuresViolationMEMORY_LEAK, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr31AssertViolationMEMORY_FREE, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr28AssertViolationMEMORY_FREE, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation]=== [2018-04-11 13:41:53,136 INFO L82 PathProgramCache]: Analyzing trace with hash 1675321627, now seen corresponding path program 2 times [2018-04-11 13:41:53,137 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 13:41:53,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 13:41:53,148 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 13:41:53,550 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:41:53,550 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-11 13:41:53,551 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [20] total 20 [2018-04-11 13:41:53,551 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 13:41:53,551 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 13:41:53,551 INFO L182 omatonBuilderFactory]: Interpolants [12832#(and (or (and (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~p~0.offset 0) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (<= (+ main_~p~0.offset 1) 0)) (= 0 main_~a~0.offset) (not (= main_~p~0.base main_~a~0.base))), 12833#(and (= 0 main_~a~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~p~0.offset 0) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (not (= main_~p~0.base main_~a~0.base))), 12834#(and (= 0 main_~a~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~p~0.offset 0) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (not (= main_~p~0.base main_~a~0.base)) (= 0 |main_#t~malloc4.offset|) (= 8 (select |#length| |main_#t~malloc4.base|))), 12835#(and (= 8 (select |#length| main_~t~0.base)) (= 0 main_~a~0.offset) (= 0 main_~t~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~p~0.offset 0) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (not (= main_~p~0.base main_~a~0.base))), 12836#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4)))) (= 0 main_~a~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4)))), 12837#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) (+ 0 4)))) (= main_~p~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) (+ 0 4)))), 12838#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| |main_#t~mem13.base|) (+ 0 4)))) (= 0 |main_#t~mem13.offset|) (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem13.base|) (+ 0 4)))), 12839#(or (<= (+ main_~p~0.offset 1) 0) (and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= main_~p~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4))))), 12840#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= main_~p~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4)))), 12841#(and (= 8 (select |#length| |main_#t~mem13.base|)) (= 0 |main_#t~mem13.offset|)), 12842#(and (= main_~p~0.offset 0) (= 8 (select |#length| main_~p~0.base))), 12822#true, 12823#false, 12824#(= 0 |main_#t~malloc0.offset|), 12825#(= 0 main_~a~0.offset), 12826#(and (= 0 main_~a~0.offset) (= main_~p~0.offset 0) (= main_~p~0.base main_~a~0.base)), 12827#(and (= 0 main_~a~0.offset) (= main_~p~0.offset 0) (= (select |#valid| main_~p~0.base) 1) (= main_~p~0.base main_~a~0.base)), 12828#(and (= 0 main_~a~0.offset) (= main_~p~0.offset 0) (not (= main_~p~0.base |main_#t~malloc4.base|)) (= main_~p~0.base main_~a~0.base) (= 0 |main_#t~malloc4.offset|)), 12829#(and (= 0 main_~a~0.offset) (= 0 main_~t~0.offset) (= main_~p~0.offset 0) (not (= main_~p~0.base main_~t~0.base)) (= main_~p~0.base main_~a~0.base)), 12830#(and (= 0 main_~a~0.offset) (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= main_~p~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4))) (= main_~p~0.base main_~a~0.base)), 12831#(and (not (= main_~a~0.base |main_#t~mem5.base|)) (= 0 main_~a~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= |main_#t~mem5.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (= 0 |main_#t~mem5.offset|))] [2018-04-11 13:41:53,551 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:41:53,551 INFO L442 AbstractCegarLoop]: Interpolant automaton has 21 states [2018-04-11 13:41:53,551 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2018-04-11 13:41:53,552 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=360, Unknown=0, NotChecked=0, Total=420 [2018-04-11 13:41:53,552 INFO L87 Difference]: Start difference. First operand 247 states and 286 transitions. Second operand 21 states. [2018-04-11 13:41:54,326 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 13:41:54,327 INFO L93 Difference]: Finished difference Result 338 states and 380 transitions. [2018-04-11 13:41:54,327 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2018-04-11 13:41:54,327 INFO L78 Accepts]: Start accepts. Automaton has 21 states. Word has length 54 [2018-04-11 13:41:54,327 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 13:41:54,328 INFO L225 Difference]: With dead ends: 338 [2018-04-11 13:41:54,328 INFO L226 Difference]: Without dead ends: 338 [2018-04-11 13:41:54,328 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 288 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=246, Invalid=1236, Unknown=0, NotChecked=0, Total=1482 [2018-04-11 13:41:54,328 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 338 states. [2018-04-11 13:41:54,331 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 338 to 253. [2018-04-11 13:41:54,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 253 states. [2018-04-11 13:41:54,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 253 states to 253 states and 293 transitions. [2018-04-11 13:41:54,332 INFO L78 Accepts]: Start accepts. Automaton has 253 states and 293 transitions. Word has length 54 [2018-04-11 13:41:54,332 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 13:41:54,332 INFO L459 AbstractCegarLoop]: Abstraction has 253 states and 293 transitions. [2018-04-11 13:41:54,332 INFO L460 AbstractCegarLoop]: Interpolant automaton has 21 states. [2018-04-11 13:41:54,332 INFO L276 IsEmpty]: Start isEmpty. Operand 253 states and 293 transitions. [2018-04-11 13:41:54,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-04-11 13:41:54,333 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 13:41:54,333 INFO L355 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 13:41:54,333 INFO L408 AbstractCegarLoop]: === Iteration 32 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr29AssertViolationMEMORY_FREE, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr30AssertViolationMEMORY_FREE, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr32EnsuresViolationMEMORY_LEAK, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr31AssertViolationMEMORY_FREE, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr28AssertViolationMEMORY_FREE, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation]=== [2018-04-11 13:41:54,333 INFO L82 PathProgramCache]: Analyzing trace with hash 1090595090, now seen corresponding path program 4 times [2018-04-11 13:41:54,334 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 13:41:54,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 13:41:54,345 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 13:41:54,638 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:41:54,639 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-11 13:41:54,639 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [20] total 20 [2018-04-11 13:41:54,639 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 13:41:54,639 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 13:41:54,639 INFO L182 omatonBuilderFactory]: Interpolants [13472#(= 0 |main_#t~malloc0.offset|), 13473#(= 0 main_~a~0.offset), 13474#(and (= 0 main_~a~0.offset) (= main_~p~0.offset 0) (= main_~p~0.base main_~a~0.base)), 13475#(and (= 0 main_~a~0.offset) (= main_~p~0.offset 0) (= (select |#valid| main_~p~0.base) 1) (= main_~p~0.base main_~a~0.base)), 13476#(and (not (= main_~p~0.base |main_#t~malloc9.base|)) (= 0 |main_#t~malloc9.offset|) (= 0 main_~a~0.offset) (= main_~p~0.offset 0) (= main_~p~0.base main_~a~0.base)), 13477#(and (= 0 main_~a~0.offset) (= 0 main_~t~0.offset) (= main_~p~0.offset 0) (not (= main_~p~0.base main_~t~0.base)) (= main_~p~0.base main_~a~0.base)), 13478#(and (= 0 main_~a~0.offset) (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= main_~p~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4))) (= main_~p~0.base main_~a~0.base)), 13479#(and (= 0 main_~a~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (not (= main_~a~0.base |main_#t~mem10.base|)) (= |main_#t~mem10.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (= 0 |main_#t~mem10.offset|)), 13480#(and (= 0 main_~a~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~p~0.offset 0) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (not (= main_~p~0.base main_~a~0.base))), 13481#(and (= 0 main_~a~0.offset) (= 1 (select |#valid| |main_#t~malloc9.base|)) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~p~0.offset 0) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (not (= main_~p~0.base main_~a~0.base))), 13482#(and (= 0 main_~a~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~p~0.offset 0) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (not (= main_~p~0.base main_~a~0.base)) (= 1 (select |#valid| main_~t~0.base))), 13483#(and (= 0 main_~a~0.offset) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~p~0.offset 0)), 13484#(and (= 0 main_~a~0.offset) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4)))), 13485#(and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) (+ 0 4)))) (= main_~p~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4)))), 13486#(and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| |main_#t~mem16.base|) (+ 0 4)))) (= 0 |main_#t~mem16.offset|)), 13487#(or (<= (+ main_~p~0.offset 1) 0) (and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= main_~p~0.offset 0))), 13488#(and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= main_~p~0.offset 0)), 13489#(= 1 (select |#valid| |main_#t~mem16.base|)), 13490#(= 1 (select |#valid| main_~p~0.base)), 13470#true, 13471#false] [2018-04-11 13:41:54,639 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:41:54,639 INFO L442 AbstractCegarLoop]: Interpolant automaton has 21 states [2018-04-11 13:41:54,640 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2018-04-11 13:41:54,640 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=361, Unknown=0, NotChecked=0, Total=420 [2018-04-11 13:41:54,640 INFO L87 Difference]: Start difference. First operand 253 states and 293 transitions. Second operand 21 states. [2018-04-11 13:41:55,209 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 13:41:55,209 INFO L93 Difference]: Finished difference Result 298 states and 338 transitions. [2018-04-11 13:41:55,209 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2018-04-11 13:41:55,210 INFO L78 Accepts]: Start accepts. Automaton has 21 states. Word has length 57 [2018-04-11 13:41:55,210 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 13:41:55,210 INFO L225 Difference]: With dead ends: 298 [2018-04-11 13:41:55,210 INFO L226 Difference]: Without dead ends: 298 [2018-04-11 13:41:55,211 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 339 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=308, Invalid=1414, Unknown=0, NotChecked=0, Total=1722 [2018-04-11 13:41:55,211 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 298 states. [2018-04-11 13:41:55,213 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 298 to 258. [2018-04-11 13:41:55,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 258 states. [2018-04-11 13:41:55,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 258 states to 258 states and 298 transitions. [2018-04-11 13:41:55,213 INFO L78 Accepts]: Start accepts. Automaton has 258 states and 298 transitions. Word has length 57 [2018-04-11 13:41:55,213 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 13:41:55,213 INFO L459 AbstractCegarLoop]: Abstraction has 258 states and 298 transitions. [2018-04-11 13:41:55,214 INFO L460 AbstractCegarLoop]: Interpolant automaton has 21 states. [2018-04-11 13:41:55,214 INFO L276 IsEmpty]: Start isEmpty. Operand 258 states and 298 transitions. [2018-04-11 13:41:55,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-04-11 13:41:55,214 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 13:41:55,214 INFO L355 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 13:41:55,214 INFO L408 AbstractCegarLoop]: === Iteration 33 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr29AssertViolationMEMORY_FREE, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr30AssertViolationMEMORY_FREE, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr32EnsuresViolationMEMORY_LEAK, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr31AssertViolationMEMORY_FREE, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr28AssertViolationMEMORY_FREE, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation]=== [2018-04-11 13:41:55,214 INFO L82 PathProgramCache]: Analyzing trace with hash 1090595091, now seen corresponding path program 3 times [2018-04-11 13:41:55,215 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 13:41:55,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 13:41:55,222 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 13:41:55,632 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:41:55,632 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-11 13:41:55,632 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [20] total 20 [2018-04-11 13:41:55,632 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 13:41:55,633 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 13:41:55,633 INFO L182 omatonBuilderFactory]: Interpolants [14089#true, 14090#false, 14091#(= 0 |main_#t~malloc0.offset|), 14092#(= 0 main_~a~0.offset), 14093#(and (= 0 main_~a~0.offset) (= main_~p~0.offset 0) (= main_~p~0.base main_~a~0.base)), 14094#(and (= 0 main_~a~0.offset) (= main_~p~0.offset 0) (= (select |#valid| main_~p~0.base) 1) (= main_~p~0.base main_~a~0.base)), 14095#(and (not (= main_~p~0.base |main_#t~malloc9.base|)) (= 0 |main_#t~malloc9.offset|) (= 0 main_~a~0.offset) (= main_~p~0.offset 0) (= main_~p~0.base main_~a~0.base)), 14096#(and (= 0 main_~a~0.offset) (= 0 main_~t~0.offset) (= main_~p~0.offset 0) (not (= main_~p~0.base main_~t~0.base)) (= main_~p~0.base main_~a~0.base)), 14097#(and (= 0 main_~a~0.offset) (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= main_~p~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4))) (= main_~p~0.base main_~a~0.base)), 14098#(and (= 0 main_~a~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (not (= main_~a~0.base |main_#t~mem10.base|)) (= |main_#t~mem10.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (= 0 |main_#t~mem10.offset|)), 14099#(and (= 0 main_~a~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~p~0.offset 0) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (not (= main_~p~0.base main_~a~0.base))), 14100#(and (= 0 |main_#t~malloc9.offset|) (= 0 main_~a~0.offset) (= main_~p~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (= 8 (select |#length| |main_#t~malloc9.base|)) (not (= main_~p~0.base main_~a~0.base))), 14101#(and (= 8 (select |#length| main_~t~0.base)) (= 0 main_~a~0.offset) (= 0 main_~t~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~p~0.offset 0) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (not (= main_~p~0.base main_~a~0.base))), 14102#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4)))) (= 0 main_~a~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~p~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4)))), 14103#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4)))) (= 0 main_~a~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4)))), 14104#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) (+ 0 4)))) (= main_~p~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) (+ 0 4)))), 14105#(and (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem16.base|) (+ 0 4))) (= 0 |main_#t~mem16.offset|) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| |main_#t~mem16.base|) (+ 0 4))))), 14106#(or (<= (+ main_~p~0.offset 1) 0) (and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= main_~p~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4))))), 14107#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= main_~p~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4)))), 14108#(and (= 0 |main_#t~mem16.offset|) (= 8 (select |#length| |main_#t~mem16.base|))), 14109#(and (= main_~p~0.offset 0) (= 8 (select |#length| main_~p~0.base)))] [2018-04-11 13:41:55,633 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:41:55,633 INFO L442 AbstractCegarLoop]: Interpolant automaton has 21 states [2018-04-11 13:41:55,634 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2018-04-11 13:41:55,634 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=362, Unknown=0, NotChecked=0, Total=420 [2018-04-11 13:41:55,634 INFO L87 Difference]: Start difference. First operand 258 states and 298 transitions. Second operand 21 states. [2018-04-11 13:41:56,253 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 13:41:56,253 INFO L93 Difference]: Finished difference Result 326 states and 367 transitions. [2018-04-11 13:41:56,253 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2018-04-11 13:41:56,253 INFO L78 Accepts]: Start accepts. Automaton has 21 states. Word has length 57 [2018-04-11 13:41:56,253 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 13:41:56,254 INFO L225 Difference]: With dead ends: 326 [2018-04-11 13:41:56,254 INFO L226 Difference]: Without dead ends: 326 [2018-04-11 13:41:56,255 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 307 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=262, Invalid=1298, Unknown=0, NotChecked=0, Total=1560 [2018-04-11 13:41:56,255 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 326 states. [2018-04-11 13:41:56,257 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 326 to 258. [2018-04-11 13:41:56,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 258 states. [2018-04-11 13:41:56,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 258 states to 258 states and 298 transitions. [2018-04-11 13:41:56,258 INFO L78 Accepts]: Start accepts. Automaton has 258 states and 298 transitions. Word has length 57 [2018-04-11 13:41:56,259 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 13:41:56,259 INFO L459 AbstractCegarLoop]: Abstraction has 258 states and 298 transitions. [2018-04-11 13:41:56,259 INFO L460 AbstractCegarLoop]: Interpolant automaton has 21 states. [2018-04-11 13:41:56,259 INFO L276 IsEmpty]: Start isEmpty. Operand 258 states and 298 transitions. [2018-04-11 13:41:56,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-04-11 13:41:56,259 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 13:41:56,260 INFO L355 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 13:41:56,260 INFO L408 AbstractCegarLoop]: === Iteration 34 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr29AssertViolationMEMORY_FREE, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr30AssertViolationMEMORY_FREE, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr32EnsuresViolationMEMORY_LEAK, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr31AssertViolationMEMORY_FREE, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr28AssertViolationMEMORY_FREE, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation]=== [2018-04-11 13:41:56,260 INFO L82 PathProgramCache]: Analyzing trace with hash 549889369, now seen corresponding path program 1 times [2018-04-11 13:41:56,260 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 13:41:56,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 13:41:56,271 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 13:41:56,671 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:41:56,671 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-11 13:41:56,672 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [20] total 20 [2018-04-11 13:41:56,672 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 13:41:56,672 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 13:41:56,672 INFO L182 omatonBuilderFactory]: Interpolants [14752#(= 1 (select |#valid| main_~p~0.base)), 14732#true, 14733#false, 14734#(= 0 |main_#t~malloc0.offset|), 14735#(= 0 main_~a~0.offset), 14736#(and (= 0 main_~a~0.offset) (= main_~p~0.offset 0) (= main_~p~0.base main_~a~0.base)), 14737#(and (= 0 main_~a~0.offset) (= main_~p~0.offset 0) (= (select |#valid| main_~p~0.base) 1) (= main_~p~0.base main_~a~0.base)), 14738#(and (= 0 main_~a~0.offset) (= main_~p~0.offset 0) (not (= main_~p~0.base |main_#t~malloc4.base|)) (= main_~p~0.base main_~a~0.base) (= 0 |main_#t~malloc4.offset|)), 14739#(and (= 0 main_~a~0.offset) (= 0 main_~t~0.offset) (= main_~p~0.offset 0) (not (= main_~p~0.base main_~t~0.base)) (= main_~p~0.base main_~a~0.base)), 14740#(and (= 0 main_~a~0.offset) (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= main_~p~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4))) (= main_~p~0.base main_~a~0.base)), 14741#(and (not (= main_~a~0.base |main_#t~mem5.base|)) (= 0 main_~a~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= |main_#t~mem5.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (= 0 |main_#t~mem5.offset|)), 14742#(and (= 0 main_~a~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~p~0.offset 0) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (not (= main_~p~0.base main_~a~0.base))), 14743#(and (= 0 main_~a~0.offset) (= 1 (select |#valid| |main_#t~malloc9.base|)) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~p~0.offset 0) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (not (= main_~p~0.base main_~a~0.base))), 14744#(and (= 0 main_~a~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~p~0.offset 0) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (not (= main_~p~0.base main_~a~0.base)) (= 1 (select |#valid| main_~t~0.base))), 14745#(and (= 0 main_~a~0.offset) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~p~0.offset 0)), 14746#(and (= 0 main_~a~0.offset) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4)))), 14747#(and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) (+ 0 4)))) (= main_~p~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4)))), 14748#(and (= 0 |main_#t~mem13.offset|) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| |main_#t~mem13.base|) (+ 0 4))))), 14749#(or (<= (+ main_~p~0.offset 1) 0) (and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= main_~p~0.offset 0))), 14750#(and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= main_~p~0.offset 0)), 14751#(= 1 (select |#valid| |main_#t~mem16.base|))] [2018-04-11 13:41:56,672 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:41:56,673 INFO L442 AbstractCegarLoop]: Interpolant automaton has 21 states [2018-04-11 13:41:56,673 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2018-04-11 13:41:56,673 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=361, Unknown=0, NotChecked=0, Total=420 [2018-04-11 13:41:56,673 INFO L87 Difference]: Start difference. First operand 258 states and 298 transitions. Second operand 21 states. [2018-04-11 13:41:57,340 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 13:41:57,341 INFO L93 Difference]: Finished difference Result 305 states and 345 transitions. [2018-04-11 13:41:57,341 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2018-04-11 13:41:57,341 INFO L78 Accepts]: Start accepts. Automaton has 21 states. Word has length 57 [2018-04-11 13:41:57,341 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 13:41:57,342 INFO L225 Difference]: With dead ends: 305 [2018-04-11 13:41:57,342 INFO L226 Difference]: Without dead ends: 305 [2018-04-11 13:41:57,342 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 343 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=308, Invalid=1414, Unknown=0, NotChecked=0, Total=1722 [2018-04-11 13:41:57,343 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 305 states. [2018-04-11 13:41:57,344 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 305 to 263. [2018-04-11 13:41:57,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 263 states. [2018-04-11 13:41:57,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 263 states to 263 states and 303 transitions. [2018-04-11 13:41:57,345 INFO L78 Accepts]: Start accepts. Automaton has 263 states and 303 transitions. Word has length 57 [2018-04-11 13:41:57,345 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 13:41:57,345 INFO L459 AbstractCegarLoop]: Abstraction has 263 states and 303 transitions. [2018-04-11 13:41:57,345 INFO L460 AbstractCegarLoop]: Interpolant automaton has 21 states. [2018-04-11 13:41:57,345 INFO L276 IsEmpty]: Start isEmpty. Operand 263 states and 303 transitions. [2018-04-11 13:41:57,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-04-11 13:41:57,345 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 13:41:57,345 INFO L355 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 13:41:57,346 INFO L408 AbstractCegarLoop]: === Iteration 35 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr29AssertViolationMEMORY_FREE, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr30AssertViolationMEMORY_FREE, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr32EnsuresViolationMEMORY_LEAK, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr31AssertViolationMEMORY_FREE, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr28AssertViolationMEMORY_FREE, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation]=== [2018-04-11 13:41:57,346 INFO L82 PathProgramCache]: Analyzing trace with hash 549889370, now seen corresponding path program 1 times [2018-04-11 13:41:57,346 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 13:41:57,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 13:41:57,354 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 13:41:57,679 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:41:57,679 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-11 13:41:57,679 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [20] total 20 [2018-04-11 13:41:57,679 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 13:41:57,680 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 13:41:57,680 INFO L182 omatonBuilderFactory]: Interpolants [15363#true, 15364#false, 15365#(= 0 |main_#t~malloc0.offset|), 15366#(= 0 main_~a~0.offset), 15367#(and (= 0 main_~a~0.offset) (= main_~p~0.offset 0) (= main_~p~0.base main_~a~0.base)), 15368#(and (= 0 main_~a~0.offset) (= main_~p~0.offset 0) (= (select |#valid| main_~p~0.base) 1) (= main_~p~0.base main_~a~0.base)), 15369#(and (= 0 main_~a~0.offset) (= main_~p~0.offset 0) (not (= main_~p~0.base |main_#t~malloc4.base|)) (= main_~p~0.base main_~a~0.base) (= 0 |main_#t~malloc4.offset|)), 15370#(and (= 0 main_~a~0.offset) (= 0 main_~t~0.offset) (= main_~p~0.offset 0) (not (= main_~p~0.base main_~t~0.base)) (= main_~p~0.base main_~a~0.base)), 15371#(and (= 0 main_~a~0.offset) (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= main_~p~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4))) (= main_~p~0.base main_~a~0.base)), 15372#(and (not (= main_~a~0.base |main_#t~mem5.base|)) (= 0 main_~a~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= |main_#t~mem5.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (= 0 |main_#t~mem5.offset|)), 15373#(and (= 0 main_~a~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~p~0.offset 0) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (not (= main_~p~0.base main_~a~0.base))), 15374#(and (= 0 |main_#t~malloc9.offset|) (= 0 main_~a~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~p~0.offset 0) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (= 8 (select |#length| |main_#t~malloc9.base|)) (not (= main_~p~0.base main_~a~0.base))), 15375#(and (= 8 (select |#length| main_~t~0.base)) (= 0 main_~a~0.offset) (= main_~p~0.offset 0) (= 0 main_~t~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (not (= main_~p~0.base main_~a~0.base))), 15376#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4)))) (= 0 main_~a~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~p~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4)))), 15377#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4)))) (= 0 main_~a~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4)))), 15378#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) (+ 0 4)))) (= main_~p~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) (+ 0 4)))), 15379#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| |main_#t~mem13.base|) (+ 0 4)))) (= 0 |main_#t~mem13.offset|) (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem13.base|) (+ 0 4)))), 15380#(or (<= (+ main_~p~0.offset 1) 0) (and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= main_~p~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4))))), 15381#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= main_~p~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4)))), 15382#(and (= 0 |main_#t~mem16.offset|) (= 8 (select |#length| |main_#t~mem16.base|))), 15383#(and (= main_~p~0.offset 0) (= 8 (select |#length| main_~p~0.base)))] [2018-04-11 13:41:57,680 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:41:57,680 INFO L442 AbstractCegarLoop]: Interpolant automaton has 21 states [2018-04-11 13:41:57,680 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2018-04-11 13:41:57,680 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=362, Unknown=0, NotChecked=0, Total=420 [2018-04-11 13:41:57,680 INFO L87 Difference]: Start difference. First operand 263 states and 303 transitions. Second operand 21 states. [2018-04-11 13:41:58,369 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 13:41:58,369 INFO L93 Difference]: Finished difference Result 331 states and 372 transitions. [2018-04-11 13:41:58,370 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2018-04-11 13:41:58,370 INFO L78 Accepts]: Start accepts. Automaton has 21 states. Word has length 57 [2018-04-11 13:41:58,370 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 13:41:58,371 INFO L225 Difference]: With dead ends: 331 [2018-04-11 13:41:58,371 INFO L226 Difference]: Without dead ends: 331 [2018-04-11 13:41:58,371 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 307 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=262, Invalid=1298, Unknown=0, NotChecked=0, Total=1560 [2018-04-11 13:41:58,371 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 331 states. [2018-04-11 13:41:58,374 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 331 to 258. [2018-04-11 13:41:58,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 258 states. [2018-04-11 13:41:58,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 258 states to 258 states and 298 transitions. [2018-04-11 13:41:58,375 INFO L78 Accepts]: Start accepts. Automaton has 258 states and 298 transitions. Word has length 57 [2018-04-11 13:41:58,375 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 13:41:58,376 INFO L459 AbstractCegarLoop]: Abstraction has 258 states and 298 transitions. [2018-04-11 13:41:58,376 INFO L460 AbstractCegarLoop]: Interpolant automaton has 21 states. [2018-04-11 13:41:58,376 INFO L276 IsEmpty]: Start isEmpty. Operand 258 states and 298 transitions. [2018-04-11 13:41:58,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-04-11 13:41:58,376 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 13:41:58,376 INFO L355 BasicCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 13:41:58,376 INFO L408 AbstractCegarLoop]: === Iteration 36 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr29AssertViolationMEMORY_FREE, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr30AssertViolationMEMORY_FREE, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr32EnsuresViolationMEMORY_LEAK, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr31AssertViolationMEMORY_FREE, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr28AssertViolationMEMORY_FREE, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation]=== [2018-04-11 13:41:58,377 INFO L82 PathProgramCache]: Analyzing trace with hash -1845647441, now seen corresponding path program 2 times [2018-04-11 13:41:58,377 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 13:41:58,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 13:41:58,383 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 13:41:58,642 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-04-11 13:41:58,642 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-11 13:41:58,642 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [22] total 22 [2018-04-11 13:41:58,642 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 13:41:58,643 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 13:41:58,643 INFO L182 omatonBuilderFactory]: Interpolants [16032#(and (= |main_#t~mem11| (select (select |#memory_int| main_~p~0.base) main_~p~0.offset)) (= 1 (select (select |#memory_int| main_~p~0.base) main_~p~0.offset))), 16011#true, 16012#false, 16013#(= 0 |main_#t~malloc0.offset|), 16014#(= 0 main_~a~0.offset), 16015#(and (= 0 main_~a~0.offset) (= main_~p~0.offset 0) (= main_~p~0.base main_~a~0.base)), 16016#(and (= 0 main_~a~0.offset) (= main_~p~0.offset 0) (= (select |#valid| main_~p~0.base) 1) (= main_~p~0.base main_~a~0.base)), 16017#(and (= (select |#valid| |main_#t~malloc4.base|) 1) (= 0 main_~a~0.offset) (= main_~p~0.offset 0) (not (= main_~p~0.base |main_#t~malloc4.base|)) (= main_~p~0.base main_~a~0.base)), 16018#(and (= 0 main_~a~0.offset) (= main_~p~0.offset 0) (not (= main_~p~0.base main_~t~0.base)) (= main_~p~0.base main_~a~0.base) (= (select |#valid| main_~t~0.base) 1)), 16019#(and (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) 1) (= 0 main_~a~0.offset) (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= main_~p~0.offset 0) (= main_~p~0.base main_~a~0.base)), 16020#(and (not (= main_~a~0.base |main_#t~mem5.base|)) (= 0 main_~a~0.offset) (= |main_#t~mem5.offset| (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)) |main_#t~mem5.base|) (= (select |#valid| |main_#t~mem5.base|) 1)), 16021#(and (= 0 main_~a~0.offset) (= main_~p~0.offset (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (= (select |#valid| main_~p~0.base) 1) (not (= main_~p~0.base main_~a~0.base))), 16022#(and (= 0 main_~a~0.offset) (= 1 (select (select |#memory_int| main_~p~0.base) (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4)))) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (= (select |#valid| main_~p~0.base) 1) (not (= main_~p~0.base main_~a~0.base))), 16023#(and (= 0 main_~a~0.offset) (= 1 (select (select |#memory_int| main_~p~0.base) (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4)))) (not (= main_~p~0.base |main_#t~malloc4.base|)) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (not (= main_~p~0.base main_~a~0.base))), 16024#(and (= 0 main_~a~0.offset) (= 1 (select (select |#memory_int| main_~p~0.base) (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4)))) (not (= main_~p~0.base main_~t~0.base)) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (not (= main_~p~0.base main_~a~0.base))), 16025#(and (= 0 main_~a~0.offset) (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= 1 (select (select |#memory_int| main_~p~0.base) (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4)))) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))), 16026#(and (= 1 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4)))) (= 0 main_~a~0.offset) (not (= (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)) |main_#t~mem5.base|))), 16027#(and (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= 1 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4)))) (= 0 main_~a~0.offset)), 16028#(and (= 1 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4)))) (= 0 main_~a~0.offset)), 16029#(and (= main_~p~0.offset 0) (= 1 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4))))), 16030#(= 1 (select (select |#memory_int| |main_#t~mem13.base|) |main_#t~mem13.offset|)), 16031#(= 1 (select (select |#memory_int| main_~p~0.base) main_~p~0.offset))] [2018-04-11 13:41:58,643 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-04-11 13:41:58,643 INFO L442 AbstractCegarLoop]: Interpolant automaton has 22 states [2018-04-11 13:41:58,643 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2018-04-11 13:41:58,643 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=396, Unknown=0, NotChecked=0, Total=462 [2018-04-11 13:41:58,643 INFO L87 Difference]: Start difference. First operand 258 states and 298 transitions. Second operand 22 states. [2018-04-11 13:41:59,585 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 13:41:59,585 INFO L93 Difference]: Finished difference Result 335 states and 377 transitions. [2018-04-11 13:41:59,585 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2018-04-11 13:41:59,585 INFO L78 Accepts]: Start accepts. Automaton has 22 states. Word has length 57 [2018-04-11 13:41:59,586 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 13:41:59,586 INFO L225 Difference]: With dead ends: 335 [2018-04-11 13:41:59,587 INFO L226 Difference]: Without dead ends: 335 [2018-04-11 13:41:59,587 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 367 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=340, Invalid=1640, Unknown=0, NotChecked=0, Total=1980 [2018-04-11 13:41:59,587 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 335 states. [2018-04-11 13:41:59,588 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 335 to 255. [2018-04-11 13:41:59,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 255 states. [2018-04-11 13:41:59,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 255 states to 255 states and 294 transitions. [2018-04-11 13:41:59,589 INFO L78 Accepts]: Start accepts. Automaton has 255 states and 294 transitions. Word has length 57 [2018-04-11 13:41:59,589 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 13:41:59,589 INFO L459 AbstractCegarLoop]: Abstraction has 255 states and 294 transitions. [2018-04-11 13:41:59,589 INFO L460 AbstractCegarLoop]: Interpolant automaton has 22 states. [2018-04-11 13:41:59,589 INFO L276 IsEmpty]: Start isEmpty. Operand 255 states and 294 transitions. [2018-04-11 13:41:59,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2018-04-11 13:41:59,590 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 13:41:59,590 INFO L355 BasicCegarLoop]: trace histogram [4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 13:41:59,590 INFO L408 AbstractCegarLoop]: === Iteration 37 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr29AssertViolationMEMORY_FREE, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr30AssertViolationMEMORY_FREE, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr32EnsuresViolationMEMORY_LEAK, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr31AssertViolationMEMORY_FREE, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr28AssertViolationMEMORY_FREE, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation]=== [2018-04-11 13:41:59,590 INFO L82 PathProgramCache]: Analyzing trace with hash -2083885385, now seen corresponding path program 4 times [2018-04-11 13:41:59,590 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 13:41:59,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 13:41:59,597 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 13:41:59,921 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 10 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:41:59,921 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-11 13:41:59,921 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [21] total 21 [2018-04-11 13:41:59,921 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 13:41:59,921 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 13:41:59,922 INFO L182 omatonBuilderFactory]: Interpolants [16672#(= 0 main_~a~0.offset), 16673#(and (= 0 main_~a~0.offset) (= main_~p~0.offset 0) (= main_~p~0.base main_~a~0.base)), 16674#(and (= 0 main_~a~0.offset) (= main_~p~0.offset 0) (= (select |#valid| main_~p~0.base) 1) (= main_~p~0.base main_~a~0.base)), 16675#(and (= 0 main_~a~0.offset) (= main_~p~0.offset 0) (not (= main_~p~0.base |main_#t~malloc4.base|)) (= main_~p~0.base main_~a~0.base) (= 0 |main_#t~malloc4.offset|)), 16676#(and (= 0 main_~a~0.offset) (= 0 main_~t~0.offset) (= main_~p~0.offset 0) (not (= main_~p~0.base main_~t~0.base)) (= main_~p~0.base main_~a~0.base)), 16677#(and (= 0 main_~a~0.offset) (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= main_~p~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4))) (= main_~p~0.base main_~a~0.base)), 16678#(and (not (= main_~a~0.base |main_#t~mem5.base|)) (= 0 main_~a~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)) |main_#t~mem5.base|) (= 0 |main_#t~mem5.offset|)), 16679#(and (= 0 main_~a~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= 0 main_~p~0.offset) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (not (= main_~p~0.base main_~a~0.base))), 16680#(and (= 0 main_~a~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~p~0.offset 0) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))), 16681#(and (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4)) |main_#t~mem5.base|) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4)) |main_#t~mem5.offset|) (= 0 main_~a~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4)))), 16682#(and (= main_~p~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (= 0 main_~a~0.offset) (= main_~p~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4)))), 16683#(and (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) 3) (= 0 main_~a~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4)))), 16684#(and (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) (+ 0 4))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) (+ 0 4))) 3) (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4)))), 16685#(and (= 0 |main_#t~mem13.offset|) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |main_#t~mem13.base|) (+ 0 4))) (select (select |#memory_$Pointer$.offset| |main_#t~mem13.base|) (+ 0 4))) 3)), 16686#(= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4))) 3), 16687#(= (select (select |#memory_int| |main_#t~mem13.base|) |main_#t~mem13.offset|) 3), 16688#(= (select (select |#memory_int| main_~p~0.base) main_~p~0.offset) 3), 16689#(= |main_#t~mem11| 3), 16669#true, 16670#false, 16671#(= 0 |main_#t~malloc0.offset|)] [2018-04-11 13:41:59,922 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 10 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:41:59,922 INFO L442 AbstractCegarLoop]: Interpolant automaton has 21 states [2018-04-11 13:41:59,922 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2018-04-11 13:41:59,922 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=365, Unknown=0, NotChecked=0, Total=420 [2018-04-11 13:41:59,922 INFO L87 Difference]: Start difference. First operand 255 states and 294 transitions. Second operand 21 states. [2018-04-11 13:42:00,689 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 13:42:00,689 INFO L93 Difference]: Finished difference Result 327 states and 366 transitions. [2018-04-11 13:42:00,689 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2018-04-11 13:42:00,689 INFO L78 Accepts]: Start accepts. Automaton has 21 states. Word has length 59 [2018-04-11 13:42:00,689 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 13:42:00,690 INFO L225 Difference]: With dead ends: 327 [2018-04-11 13:42:00,690 INFO L226 Difference]: Without dead ends: 327 [2018-04-11 13:42:00,690 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 304 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=247, Invalid=1393, Unknown=0, NotChecked=0, Total=1640 [2018-04-11 13:42:00,691 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 327 states. [2018-04-11 13:42:00,692 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 327 to 254. [2018-04-11 13:42:00,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 254 states. [2018-04-11 13:42:00,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 254 states and 292 transitions. [2018-04-11 13:42:00,693 INFO L78 Accepts]: Start accepts. Automaton has 254 states and 292 transitions. Word has length 59 [2018-04-11 13:42:00,694 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 13:42:00,694 INFO L459 AbstractCegarLoop]: Abstraction has 254 states and 292 transitions. [2018-04-11 13:42:00,694 INFO L460 AbstractCegarLoop]: Interpolant automaton has 21 states. [2018-04-11 13:42:00,694 INFO L276 IsEmpty]: Start isEmpty. Operand 254 states and 292 transitions. [2018-04-11 13:42:00,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-04-11 13:42:00,694 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 13:42:00,694 INFO L355 BasicCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 13:42:00,695 INFO L408 AbstractCegarLoop]: === Iteration 38 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr29AssertViolationMEMORY_FREE, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr30AssertViolationMEMORY_FREE, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr32EnsuresViolationMEMORY_LEAK, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr31AssertViolationMEMORY_FREE, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr28AssertViolationMEMORY_FREE, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation]=== [2018-04-11 13:42:00,695 INFO L82 PathProgramCache]: Analyzing trace with hash -943279003, now seen corresponding path program 3 times [2018-04-11 13:42:00,695 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 13:42:00,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 13:42:00,706 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 13:42:01,000 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:42:01,000 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-11 13:42:01,001 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [19] total 19 [2018-04-11 13:42:01,001 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 13:42:01,001 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 13:42:01,001 INFO L182 omatonBuilderFactory]: Interpolants [17312#false, 17313#(= 0 |main_#t~malloc0.offset|), 17314#(= 0 main_~a~0.offset), 17315#(and (= 0 main_~a~0.offset) (= main_~p~0.offset 0) (= main_~p~0.base main_~a~0.base)), 17316#(and (= 0 main_~a~0.offset) (= main_~p~0.offset 0) (= (select |#valid| main_~p~0.base) 1) (= main_~p~0.base main_~a~0.base)), 17317#(and (= 0 main_~a~0.offset) (= main_~p~0.offset 0) (not (= main_~p~0.base |main_#t~malloc4.base|)) (= main_~p~0.base main_~a~0.base)), 17318#(and (= 0 main_~a~0.offset) (= main_~p~0.offset 0) (not (= main_~p~0.base main_~t~0.base)) (= main_~p~0.base main_~a~0.base)), 17319#(and (= 0 main_~a~0.offset) (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= main_~p~0.offset 0) (= (select |#valid| main_~p~0.base) 1) (= main_~p~0.base main_~a~0.base)), 17320#(and (not (= main_~a~0.base |main_#t~mem5.base|)) (= (select |#valid| main_~a~0.base) 1) (= 0 main_~a~0.offset) (= |main_#t~mem5.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))), 17321#(and (= (select |#valid| main_~a~0.base) 1) (= 0 main_~a~0.offset) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (not (= main_~p~0.base main_~a~0.base))), 17322#(and (= 0 main_~a~0.offset) (not (= main_~a~0.base |main_#t~malloc9.base|)) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (not (= main_~p~0.base main_~a~0.base))), 17323#(and (= 0 main_~a~0.offset) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (not (= main_~p~0.base main_~a~0.base)) (not (= main_~a~0.base main_~t~0.base))), 17324#(and (not (= main_~a~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= 0 main_~a~0.offset) (= 1 (select |#valid| main_~p~0.base)) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))), 17325#(and (= 0 main_~a~0.offset) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (not (= main_~a~0.base |main_#t~mem10.base|))), 17326#(and (= 0 main_~a~0.offset) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (not (= main_~p~0.base main_~a~0.base))), 17327#(and (= 0 main_~a~0.offset) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))))), 17328#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))), 17329#(= 1 (select |#valid| |main_#t~mem13.base|)), 17330#(= 1 (select |#valid| main_~p~0.base)), 17311#true] [2018-04-11 13:42:01,001 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:42:01,001 INFO L442 AbstractCegarLoop]: Interpolant automaton has 20 states [2018-04-11 13:42:01,002 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2018-04-11 13:42:01,002 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=319, Unknown=0, NotChecked=0, Total=380 [2018-04-11 13:42:01,002 INFO L87 Difference]: Start difference. First operand 254 states and 292 transitions. Second operand 20 states. [2018-04-11 13:42:01,748 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 13:42:01,748 INFO L93 Difference]: Finished difference Result 350 states and 395 transitions. [2018-04-11 13:42:01,748 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2018-04-11 13:42:01,748 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 60 [2018-04-11 13:42:01,748 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 13:42:01,749 INFO L225 Difference]: With dead ends: 350 [2018-04-11 13:42:01,749 INFO L226 Difference]: Without dead ends: 350 [2018-04-11 13:42:01,749 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 284 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=327, Invalid=1313, Unknown=0, NotChecked=0, Total=1640 [2018-04-11 13:42:01,749 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 350 states. [2018-04-11 13:42:01,751 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 350 to 274. [2018-04-11 13:42:01,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 274 states. [2018-04-11 13:42:01,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 274 states to 274 states and 315 transitions. [2018-04-11 13:42:01,751 INFO L78 Accepts]: Start accepts. Automaton has 274 states and 315 transitions. Word has length 60 [2018-04-11 13:42:01,751 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 13:42:01,751 INFO L459 AbstractCegarLoop]: Abstraction has 274 states and 315 transitions. [2018-04-11 13:42:01,751 INFO L460 AbstractCegarLoop]: Interpolant automaton has 20 states. [2018-04-11 13:42:01,752 INFO L276 IsEmpty]: Start isEmpty. Operand 274 states and 315 transitions. [2018-04-11 13:42:01,752 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-04-11 13:42:01,752 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 13:42:01,752 INFO L355 BasicCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 13:42:01,752 INFO L408 AbstractCegarLoop]: === Iteration 39 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr29AssertViolationMEMORY_FREE, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr30AssertViolationMEMORY_FREE, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr32EnsuresViolationMEMORY_LEAK, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr31AssertViolationMEMORY_FREE, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr28AssertViolationMEMORY_FREE, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation]=== [2018-04-11 13:42:01,752 INFO L82 PathProgramCache]: Analyzing trace with hash -943279002, now seen corresponding path program 2 times [2018-04-11 13:42:01,752 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 13:42:01,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 13:42:01,760 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 13:42:02,213 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:42:02,213 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-11 13:42:02,214 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [20] total 20 [2018-04-11 13:42:02,214 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 13:42:02,214 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 13:42:02,214 INFO L182 omatonBuilderFactory]: Interpolants [18016#(and (= 8 (select |#length| |main_#t~mem13.base|)) (= 0 |main_#t~mem13.offset|)), 18017#(and (= main_~p~0.offset 0) (= 8 (select |#length| main_~p~0.base))), 17997#true, 17998#false, 17999#(= 0 |main_#t~malloc0.offset|), 18000#(= 0 main_~a~0.offset), 18001#(and (= 0 main_~a~0.offset) (= main_~p~0.offset 0) (= main_~p~0.base main_~a~0.base)), 18002#(and (= 0 main_~a~0.offset) (= main_~p~0.offset 0) (= (select |#valid| main_~p~0.base) 1) (= main_~p~0.base main_~a~0.base)), 18003#(and (= 0 main_~a~0.offset) (= main_~p~0.offset 0) (not (= main_~p~0.base |main_#t~malloc4.base|)) (= main_~p~0.base main_~a~0.base) (= 0 |main_#t~malloc4.offset|) (= 8 (select |#length| |main_#t~malloc4.base|))), 18004#(and (= 8 (select |#length| main_~t~0.base)) (= 0 main_~a~0.offset) (= 0 main_~t~0.offset) (= main_~p~0.offset 0) (not (= main_~p~0.base main_~t~0.base)) (= main_~p~0.base main_~a~0.base)), 18005#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= 0 main_~a~0.offset) (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= main_~p~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4))) (= (select |#valid| main_~p~0.base) 1) (= main_~p~0.base main_~a~0.base)), 18006#(and (not (= main_~a~0.base |main_#t~mem5.base|)) (= (select |#valid| main_~a~0.base) 1) (= 0 main_~a~0.offset) (= 8 (select |#length| |main_#t~mem5.base|)) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= |main_#t~mem5.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))), 18007#(and (= (select |#valid| main_~a~0.base) 1) (= 0 main_~a~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (not (= main_~p~0.base main_~a~0.base)) (= 8 (select |#length| main_~p~0.base))), 18008#(and (= (select |#valid| main_~a~0.base) 1) (= 0 main_~a~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (= (select |#valid| main_~p~0.base) 1) (not (= main_~p~0.base main_~a~0.base)) (= 8 (select |#length| main_~p~0.base))), 18009#(and (not (= main_~p~0.base |main_#t~malloc9.base|)) (= 0 main_~a~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (not (= main_~a~0.base |main_#t~malloc9.base|)) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (not (= main_~p~0.base main_~a~0.base)) (= 8 (select |#length| main_~p~0.base))), 18010#(and (= 0 main_~a~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (not (= main_~p~0.base main_~a~0.base)) (= 8 (select |#length| main_~p~0.base)) (not (= main_~a~0.base main_~t~0.base))), 18011#(and (not (= main_~a~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= 0 main_~a~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (= 8 (select |#length| main_~p~0.base))), 18012#(and (= 0 main_~a~0.offset) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (not (= main_~a~0.base |main_#t~mem10.base|))), 18013#(and (= 0 main_~a~0.offset) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (not (= main_~p~0.base main_~a~0.base))), 18014#(and (= 0 main_~a~0.offset) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4)))), 18015#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= main_~p~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4))))] [2018-04-11 13:42:02,214 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:42:02,215 INFO L442 AbstractCegarLoop]: Interpolant automaton has 21 states [2018-04-11 13:42:02,215 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2018-04-11 13:42:02,215 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=73, Invalid=347, Unknown=0, NotChecked=0, Total=420 [2018-04-11 13:42:02,215 INFO L87 Difference]: Start difference. First operand 274 states and 315 transitions. Second operand 21 states. [2018-04-11 13:42:03,092 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 13:42:03,092 INFO L93 Difference]: Finished difference Result 373 states and 417 transitions. [2018-04-11 13:42:03,092 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2018-04-11 13:42:03,092 INFO L78 Accepts]: Start accepts. Automaton has 21 states. Word has length 60 [2018-04-11 13:42:03,092 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 13:42:03,093 INFO L225 Difference]: With dead ends: 373 [2018-04-11 13:42:03,093 INFO L226 Difference]: Without dead ends: 372 [2018-04-11 13:42:03,093 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 273 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=303, Invalid=1257, Unknown=0, NotChecked=0, Total=1560 [2018-04-11 13:42:03,094 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 372 states. [2018-04-11 13:42:03,095 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 372 to 279. [2018-04-11 13:42:03,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 279 states. [2018-04-11 13:42:03,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 279 states to 279 states and 320 transitions. [2018-04-11 13:42:03,096 INFO L78 Accepts]: Start accepts. Automaton has 279 states and 320 transitions. Word has length 60 [2018-04-11 13:42:03,096 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 13:42:03,096 INFO L459 AbstractCegarLoop]: Abstraction has 279 states and 320 transitions. [2018-04-11 13:42:03,096 INFO L460 AbstractCegarLoop]: Interpolant automaton has 21 states. [2018-04-11 13:42:03,096 INFO L276 IsEmpty]: Start isEmpty. Operand 279 states and 320 transitions. [2018-04-11 13:42:03,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-04-11 13:42:03,097 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 13:42:03,097 INFO L355 BasicCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 13:42:03,097 INFO L408 AbstractCegarLoop]: === Iteration 40 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr29AssertViolationMEMORY_FREE, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr30AssertViolationMEMORY_FREE, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr32EnsuresViolationMEMORY_LEAK, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr31AssertViolationMEMORY_FREE, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr28AssertViolationMEMORY_FREE, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation]=== [2018-04-11 13:42:03,097 INFO L82 PathProgramCache]: Analyzing trace with hash -1203795377, now seen corresponding path program 4 times [2018-04-11 13:42:03,097 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 13:42:03,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 13:42:03,104 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 13:42:03,364 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:42:03,364 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-11 13:42:03,364 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [19] total 19 [2018-04-11 13:42:03,364 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 13:42:03,364 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 13:42:03,365 INFO L182 omatonBuilderFactory]: Interpolants [18720#(and (= 0 main_~a~0.offset) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (not (= main_~p~0.base main_~a~0.base)) (not (= main_~a~0.base main_~t~0.base))), 18721#(and (not (= main_~a~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= 0 main_~a~0.offset) (= 1 (select |#valid| main_~p~0.base)) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))), 18722#(and (not (= main_~a~0.base |main_#t~mem5.base|)) (= 0 main_~a~0.offset) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))))), 18723#(and (= 0 main_~a~0.offset) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (not (= main_~p~0.base main_~a~0.base))), 18724#(and (= 0 main_~a~0.offset) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))))), 18725#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))), 18726#(= 1 (select |#valid| |main_#t~mem13.base|)), 18727#(= 1 (select |#valid| main_~p~0.base)), 18708#true, 18709#false, 18710#(= 0 |main_#t~malloc0.offset|), 18711#(= 0 main_~a~0.offset), 18712#(and (= 0 main_~a~0.offset) (= main_~p~0.offset 0) (= main_~p~0.base main_~a~0.base)), 18713#(and (= 0 main_~a~0.offset) (= main_~p~0.offset 0) (= (select |#valid| main_~p~0.base) 1) (= main_~p~0.base main_~a~0.base)), 18714#(and (= 0 main_~a~0.offset) (= main_~p~0.offset 0) (not (= main_~p~0.base |main_#t~malloc4.base|)) (= main_~p~0.base main_~a~0.base)), 18715#(and (= 0 main_~a~0.offset) (= main_~p~0.offset 0) (not (= main_~p~0.base main_~t~0.base)) (= main_~p~0.base main_~a~0.base)), 18716#(and (= 0 main_~a~0.offset) (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= main_~p~0.offset 0) (= (select |#valid| main_~p~0.base) 1) (= main_~p~0.base main_~a~0.base)), 18717#(and (not (= main_~a~0.base |main_#t~mem5.base|)) (= (select |#valid| main_~a~0.base) 1) (= 0 main_~a~0.offset) (= |main_#t~mem5.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))), 18718#(and (= (select |#valid| main_~a~0.base) 1) (= 0 main_~a~0.offset) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (not (= main_~p~0.base main_~a~0.base))), 18719#(and (not (= main_~a~0.base |main_#t~malloc4.base|)) (= 0 main_~a~0.offset) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (not (= main_~p~0.base main_~a~0.base)))] [2018-04-11 13:42:03,365 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:42:03,365 INFO L442 AbstractCegarLoop]: Interpolant automaton has 20 states [2018-04-11 13:42:03,365 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2018-04-11 13:42:03,365 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=319, Unknown=0, NotChecked=0, Total=380 [2018-04-11 13:42:03,365 INFO L87 Difference]: Start difference. First operand 279 states and 320 transitions. Second operand 20 states. [2018-04-11 13:42:04,038 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 13:42:04,039 INFO L93 Difference]: Finished difference Result 397 states and 452 transitions. [2018-04-11 13:42:04,039 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2018-04-11 13:42:04,039 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 60 [2018-04-11 13:42:04,039 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 13:42:04,040 INFO L225 Difference]: With dead ends: 397 [2018-04-11 13:42:04,040 INFO L226 Difference]: Without dead ends: 397 [2018-04-11 13:42:04,040 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 267 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=309, Invalid=1251, Unknown=0, NotChecked=0, Total=1560 [2018-04-11 13:42:04,041 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 397 states. [2018-04-11 13:42:04,042 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 397 to 319. [2018-04-11 13:42:04,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 319 states. [2018-04-11 13:42:04,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 319 states to 319 states and 368 transitions. [2018-04-11 13:42:04,043 INFO L78 Accepts]: Start accepts. Automaton has 319 states and 368 transitions. Word has length 60 [2018-04-11 13:42:04,043 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 13:42:04,043 INFO L459 AbstractCegarLoop]: Abstraction has 319 states and 368 transitions. [2018-04-11 13:42:04,043 INFO L460 AbstractCegarLoop]: Interpolant automaton has 20 states. [2018-04-11 13:42:04,043 INFO L276 IsEmpty]: Start isEmpty. Operand 319 states and 368 transitions. [2018-04-11 13:42:04,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-04-11 13:42:04,043 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 13:42:04,044 INFO L355 BasicCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 13:42:04,044 INFO L408 AbstractCegarLoop]: === Iteration 41 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr29AssertViolationMEMORY_FREE, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr30AssertViolationMEMORY_FREE, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr32EnsuresViolationMEMORY_LEAK, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr31AssertViolationMEMORY_FREE, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr28AssertViolationMEMORY_FREE, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation]=== [2018-04-11 13:42:04,044 INFO L82 PathProgramCache]: Analyzing trace with hash -1203795376, now seen corresponding path program 3 times [2018-04-11 13:42:04,044 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 13:42:04,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 13:42:04,053 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 13:42:04,411 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:42:04,411 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-11 13:42:04,412 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [19] total 19 [2018-04-11 13:42:04,412 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 13:42:04,412 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 13:42:04,412 INFO L182 omatonBuilderFactory]: Interpolants [19488#(and (= 0 main_~a~0.offset) (= main_~p~0.offset 0) (= main_~p~0.base main_~a~0.base)), 19489#(and (= 0 main_~a~0.offset) (= main_~p~0.offset 0) (= (select |#valid| main_~p~0.base) 1) (= main_~p~0.base main_~a~0.base)), 19490#(and (= 0 main_~a~0.offset) (= main_~p~0.offset 0) (not (= main_~p~0.base |main_#t~malloc4.base|)) (= main_~p~0.base main_~a~0.base) (= 0 |main_#t~malloc4.offset|) (= 8 (select |#length| |main_#t~malloc4.base|))), 19491#(and (= 8 (select |#length| main_~t~0.base)) (= 0 main_~a~0.offset) (= 0 main_~t~0.offset) (= main_~p~0.offset 0) (not (= main_~p~0.base main_~t~0.base)) (= main_~p~0.base main_~a~0.base)), 19492#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= 0 main_~a~0.offset) (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= main_~p~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4))) (= (select |#valid| main_~p~0.base) 1) (= main_~p~0.base main_~a~0.base)), 19493#(and (not (= main_~a~0.base |main_#t~mem5.base|)) (= (select |#valid| main_~a~0.base) 1) (= 0 main_~a~0.offset) (= 8 (select |#length| |main_#t~mem5.base|)) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= |main_#t~mem5.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))), 19494#(and (= (select |#valid| main_~a~0.base) 1) (= 0 main_~a~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (not (= main_~p~0.base main_~a~0.base)) (= 8 (select |#length| main_~p~0.base))), 19495#(and (not (= main_~a~0.base |main_#t~malloc4.base|)) (= 0 main_~a~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (not (= main_~p~0.base main_~a~0.base)) (= 8 (select |#length| main_~p~0.base))), 19496#(and (= 0 main_~a~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (not (= main_~p~0.base main_~a~0.base)) (= 8 (select |#length| main_~p~0.base)) (not (= main_~a~0.base main_~t~0.base))), 19497#(and (not (= main_~a~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= 0 main_~a~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (= 8 (select |#length| main_~p~0.base))), 19498#(and (not (= main_~a~0.base |main_#t~mem5.base|)) (= 0 main_~a~0.offset) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4)))), 19499#(and (= 0 main_~a~0.offset) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (not (= main_~p~0.base main_~a~0.base))), 19500#(and (= 0 main_~a~0.offset) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4)))), 19501#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= main_~p~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4)))), 19502#(and (= 8 (select |#length| |main_#t~mem13.base|)) (= 0 |main_#t~mem13.offset|)), 19503#(and (= main_~p~0.offset 0) (= 8 (select |#length| main_~p~0.base))), 19484#true, 19485#false, 19486#(= 0 |main_#t~malloc0.offset|), 19487#(= 0 main_~a~0.offset)] [2018-04-11 13:42:04,412 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:42:04,412 INFO L442 AbstractCegarLoop]: Interpolant automaton has 20 states [2018-04-11 13:42:04,412 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2018-04-11 13:42:04,412 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=312, Unknown=0, NotChecked=0, Total=380 [2018-04-11 13:42:04,412 INFO L87 Difference]: Start difference. First operand 319 states and 368 transitions. Second operand 20 states. [2018-04-11 13:42:05,202 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 13:42:05,203 INFO L93 Difference]: Finished difference Result 422 states and 477 transitions. [2018-04-11 13:42:05,203 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2018-04-11 13:42:05,203 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 60 [2018-04-11 13:42:05,203 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 13:42:05,204 INFO L225 Difference]: With dead ends: 422 [2018-04-11 13:42:05,204 INFO L226 Difference]: Without dead ends: 421 [2018-04-11 13:42:05,204 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 216 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=265, Invalid=1067, Unknown=0, NotChecked=0, Total=1332 [2018-04-11 13:42:05,205 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 421 states. [2018-04-11 13:42:05,206 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 421 to 310. [2018-04-11 13:42:05,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 310 states. [2018-04-11 13:42:05,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 310 states to 310 states and 358 transitions. [2018-04-11 13:42:05,207 INFO L78 Accepts]: Start accepts. Automaton has 310 states and 358 transitions. Word has length 60 [2018-04-11 13:42:05,208 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 13:42:05,208 INFO L459 AbstractCegarLoop]: Abstraction has 310 states and 358 transitions. [2018-04-11 13:42:05,208 INFO L460 AbstractCegarLoop]: Interpolant automaton has 20 states. [2018-04-11 13:42:05,208 INFO L276 IsEmpty]: Start isEmpty. Operand 310 states and 358 transitions. [2018-04-11 13:42:05,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2018-04-11 13:42:05,209 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 13:42:05,209 INFO L355 BasicCegarLoop]: trace histogram [4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 13:42:05,209 INFO L408 AbstractCegarLoop]: === Iteration 42 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr29AssertViolationMEMORY_FREE, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr30AssertViolationMEMORY_FREE, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr32EnsuresViolationMEMORY_LEAK, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr31AssertViolationMEMORY_FREE, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr28AssertViolationMEMORY_FREE, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation]=== [2018-04-11 13:42:05,209 INFO L82 PathProgramCache]: Analyzing trace with hash 1383042322, now seen corresponding path program 5 times [2018-04-11 13:42:05,210 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 13:42:05,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 13:42:05,221 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 13:42:05,555 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 10 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:42:05,555 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-11 13:42:05,555 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [22] total 22 [2018-04-11 13:42:05,555 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 13:42:05,555 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 13:42:05,556 INFO L182 omatonBuilderFactory]: Interpolants [20288#(and (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4))) 3) (= main_~p~0.offset 0)), 20289#(= (select (select |#memory_int| |main_#t~mem16.base|) |main_#t~mem16.offset|) 3), 20290#(= (select (select |#memory_int| main_~p~0.base) main_~p~0.offset) 3), 20291#(= |main_#t~mem14| 3), 20270#true, 20271#false, 20272#(= 0 |main_#t~malloc0.offset|), 20273#(= 0 main_~a~0.offset), 20274#(and (= 0 main_~a~0.offset) (= main_~p~0.offset 0) (= main_~p~0.base main_~a~0.base)), 20275#(and (= 0 main_~a~0.offset) (= main_~p~0.offset 0) (= (select |#valid| main_~p~0.base) 1) (= main_~p~0.base main_~a~0.base)), 20276#(and (not (= main_~p~0.base |main_#t~malloc9.base|)) (= 0 |main_#t~malloc9.offset|) (= 0 main_~a~0.offset) (= main_~p~0.offset 0) (= main_~p~0.base main_~a~0.base)), 20277#(and (= 0 main_~a~0.offset) (= 0 main_~t~0.offset) (= main_~p~0.offset 0) (not (= main_~p~0.base main_~t~0.base)) (= main_~p~0.base main_~a~0.base)), 20278#(and (= 0 main_~a~0.offset) (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= main_~p~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4))) (= main_~p~0.base main_~a~0.base)), 20279#(and (= 0 main_~a~0.offset) (= (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)) |main_#t~mem10.base|) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (not (= main_~a~0.base |main_#t~mem10.base|)) (= 0 |main_#t~mem10.offset|)), 20280#(and (= 0 main_~a~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~p~0.offset 0) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (not (= main_~p~0.base main_~a~0.base))), 20281#(and (= 0 main_~a~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~p~0.offset 0) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))), 20282#(and (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4)) |main_#t~mem10.base|) (= 0 main_~a~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4)) |main_#t~mem10.offset|)), 20283#(and (= main_~p~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (= 0 main_~a~0.offset) (= main_~p~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4)))), 20284#(and (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) 3) (= 0 main_~a~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4)))), 20285#(and (= main_~p~0.offset 0) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) (+ 0 4))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) (+ 0 4))) 3) (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4)))), 20286#(and (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |main_#t~mem16.base|) (+ 0 4))) (select (select |#memory_$Pointer$.offset| |main_#t~mem16.base|) (+ 0 4))) 3) (= 0 |main_#t~mem16.offset|)), 20287#(or (and (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4))) 3) (= main_~p~0.offset 0)) (<= (+ main_~p~0.offset 1) 0))] [2018-04-11 13:42:05,556 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 10 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:42:05,556 INFO L442 AbstractCegarLoop]: Interpolant automaton has 22 states [2018-04-11 13:42:05,556 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2018-04-11 13:42:05,556 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=404, Unknown=0, NotChecked=0, Total=462 [2018-04-11 13:42:05,556 INFO L87 Difference]: Start difference. First operand 310 states and 358 transitions. Second operand 22 states. [2018-04-11 13:42:06,180 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 13:42:06,180 INFO L93 Difference]: Finished difference Result 369 states and 416 transitions. [2018-04-11 13:42:06,180 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2018-04-11 13:42:06,180 INFO L78 Accepts]: Start accepts. Automaton has 22 states. Word has length 62 [2018-04-11 13:42:06,181 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 13:42:06,181 INFO L225 Difference]: With dead ends: 369 [2018-04-11 13:42:06,181 INFO L226 Difference]: Without dead ends: 369 [2018-04-11 13:42:06,182 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 322 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=252, Invalid=1470, Unknown=0, NotChecked=0, Total=1722 [2018-04-11 13:42:06,182 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 369 states. [2018-04-11 13:42:06,184 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 369 to 318. [2018-04-11 13:42:06,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 318 states. [2018-04-11 13:42:06,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 318 states to 318 states and 366 transitions. [2018-04-11 13:42:06,184 INFO L78 Accepts]: Start accepts. Automaton has 318 states and 366 transitions. Word has length 62 [2018-04-11 13:42:06,184 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 13:42:06,184 INFO L459 AbstractCegarLoop]: Abstraction has 318 states and 366 transitions. [2018-04-11 13:42:06,184 INFO L460 AbstractCegarLoop]: Interpolant automaton has 22 states. [2018-04-11 13:42:06,185 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 366 transitions. [2018-04-11 13:42:06,185 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2018-04-11 13:42:06,185 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 13:42:06,185 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 13:42:06,185 INFO L408 AbstractCegarLoop]: === Iteration 43 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr29AssertViolationMEMORY_FREE, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr30AssertViolationMEMORY_FREE, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr32EnsuresViolationMEMORY_LEAK, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr31AssertViolationMEMORY_FREE, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr28AssertViolationMEMORY_FREE, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation]=== [2018-04-11 13:42:06,185 INFO L82 PathProgramCache]: Analyzing trace with hash -1746950869, now seen corresponding path program 2 times [2018-04-11 13:42:06,186 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 13:42:06,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 13:42:06,193 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 13:42:06,475 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 6 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:42:06,475 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-11 13:42:06,475 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [22] total 22 [2018-04-11 13:42:06,475 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 13:42:06,475 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 13:42:06,476 INFO L182 omatonBuilderFactory]: Interpolants [21024#(and (= 0 main_~a~0.offset) (= main_~p~0.offset 0) (= (select |#valid| main_~p~0.base) 1) (= main_~p~0.base main_~a~0.base)), 21025#(and (= 0 main_~a~0.offset) (= main_~p~0.offset 0) (not (= main_~p~0.base |main_#t~malloc4.base|)) (= main_~p~0.base main_~a~0.base) (= 0 |main_#t~malloc4.offset|)), 21026#(and (= 0 main_~a~0.offset) (= 0 main_~t~0.offset) (= main_~p~0.offset 0) (not (= main_~p~0.base main_~t~0.base)) (= main_~p~0.base main_~a~0.base)), 21027#(and (= 0 main_~a~0.offset) (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= main_~p~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4))) (= main_~p~0.base main_~a~0.base)), 21028#(and (not (= main_~a~0.base |main_#t~mem5.base|)) (= 0 main_~a~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)) |main_#t~mem5.base|) (= 0 |main_#t~mem5.offset|)), 21029#(and (= 0 main_~a~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~p~0.offset 0) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (not (= main_~p~0.base main_~a~0.base))), 21030#(and (= 0 main_~a~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~p~0.offset 0) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))), 21031#(and (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4)) |main_#t~mem10.base|) (= 0 main_~a~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4)) |main_#t~mem10.offset|)), 21032#(and (= main_~p~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (= 0 main_~a~0.offset) (= main_~p~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4)))), 21033#(and (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) 3) (= 0 main_~a~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4)))), 21034#(and (= main_~p~0.offset 0) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) (+ 0 4))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) (+ 0 4))) 3) (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4)))), 21035#(and (= 0 |main_#t~mem13.offset|) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |main_#t~mem13.base|) (+ 0 4))) (select (select |#memory_$Pointer$.offset| |main_#t~mem13.base|) (+ 0 4))) 3)), 21036#(or (and (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4))) 3) (= main_~p~0.offset 0)) (<= (+ main_~p~0.offset 1) 0)), 21037#(and (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4))) 3) (= main_~p~0.offset 0)), 21038#(= (select (select |#memory_int| |main_#t~mem16.base|) |main_#t~mem16.offset|) 3), 21039#(= (select (select |#memory_int| main_~p~0.base) main_~p~0.offset) 3), 21040#(= |main_#t~mem14| 3), 21019#true, 21020#false, 21021#(= 0 |main_#t~malloc0.offset|), 21022#(= 0 main_~a~0.offset), 21023#(and (= 0 main_~a~0.offset) (= main_~p~0.offset 0) (= main_~p~0.base main_~a~0.base))] [2018-04-11 13:42:06,476 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 6 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:42:06,476 INFO L442 AbstractCegarLoop]: Interpolant automaton has 22 states [2018-04-11 13:42:06,476 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2018-04-11 13:42:06,476 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=404, Unknown=0, NotChecked=0, Total=462 [2018-04-11 13:42:06,476 INFO L87 Difference]: Start difference. First operand 318 states and 366 transitions. Second operand 22 states. [2018-04-11 13:42:07,326 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 13:42:07,326 INFO L93 Difference]: Finished difference Result 367 states and 414 transitions. [2018-04-11 13:42:07,327 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2018-04-11 13:42:07,327 INFO L78 Accepts]: Start accepts. Automaton has 22 states. Word has length 62 [2018-04-11 13:42:07,327 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 13:42:07,328 INFO L225 Difference]: With dead ends: 367 [2018-04-11 13:42:07,328 INFO L226 Difference]: Without dead ends: 367 [2018-04-11 13:42:07,328 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 321 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=252, Invalid=1470, Unknown=0, NotChecked=0, Total=1722 [2018-04-11 13:42:07,328 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 367 states. [2018-04-11 13:42:07,330 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 367 to 313. [2018-04-11 13:42:07,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 313 states. [2018-04-11 13:42:07,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 313 states to 313 states and 361 transitions. [2018-04-11 13:42:07,331 INFO L78 Accepts]: Start accepts. Automaton has 313 states and 361 transitions. Word has length 62 [2018-04-11 13:42:07,331 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 13:42:07,331 INFO L459 AbstractCegarLoop]: Abstraction has 313 states and 361 transitions. [2018-04-11 13:42:07,331 INFO L460 AbstractCegarLoop]: Interpolant automaton has 22 states. [2018-04-11 13:42:07,331 INFO L276 IsEmpty]: Start isEmpty. Operand 313 states and 361 transitions. [2018-04-11 13:42:07,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2018-04-11 13:42:07,331 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 13:42:07,331 INFO L355 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 13:42:07,331 INFO L408 AbstractCegarLoop]: === Iteration 44 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr29AssertViolationMEMORY_FREE, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr30AssertViolationMEMORY_FREE, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr32EnsuresViolationMEMORY_LEAK, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr31AssertViolationMEMORY_FREE, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr28AssertViolationMEMORY_FREE, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation]=== [2018-04-11 13:42:07,331 INFO L82 PathProgramCache]: Analyzing trace with hash -1109468942, now seen corresponding path program 3 times [2018-04-11 13:42:07,332 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 13:42:07,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 13:42:07,338 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 13:42:07,695 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 2 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:42:07,695 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-11 13:42:07,695 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [22] total 22 [2018-04-11 13:42:07,695 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 13:42:07,696 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:42:07,696 INFO L182 omatonBuilderFactory]: Interpolants [21761#true, 21762#false, 21763#(= 0 |main_#t~malloc0.offset|), 21764#(= 0 main_~a~0.offset), 21765#(and (= 0 main_~a~0.offset) (= main_~p~0.offset 0) (= main_~p~0.base main_~a~0.base)), 21766#(and (= 0 main_~a~0.offset) (= main_~p~0.offset 0) (= (select |#valid| main_~p~0.base) 1) (= main_~p~0.base main_~a~0.base)), 21767#(and (= 0 main_~a~0.offset) (= main_~p~0.offset 0) (not (= main_~p~0.base |main_#t~malloc4.base|)) (= main_~p~0.base main_~a~0.base) (= 0 |main_#t~malloc4.offset|)), 21768#(and (= 0 main_~a~0.offset) (= 0 main_~t~0.offset) (= main_~p~0.offset 0) (not (= main_~p~0.base main_~t~0.base)) (= main_~p~0.base main_~a~0.base)), 21769#(and (= 0 main_~a~0.offset) (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= main_~p~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4))) (= main_~p~0.base main_~a~0.base)), 21770#(and (not (= main_~a~0.base |main_#t~mem5.base|)) (= 0 main_~a~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)) |main_#t~mem5.base|) (= 0 |main_#t~mem5.offset|)), 21771#(and (= 0 main_~a~0.offset) (or (and (= 0 main_~p~0.offset) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (<= (+ main_~p~0.offset 1) 0)) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (not (= main_~p~0.base main_~a~0.base))), 21772#(and (= 0 main_~a~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= 0 main_~p~0.offset) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (not (= main_~p~0.base main_~a~0.base))), 21773#(and (= 0 main_~a~0.offset) (= main_~p~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))), 21774#(and (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4)) |main_#t~mem5.base|) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4)) |main_#t~mem5.offset|) (= 0 main_~a~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4)))), 21775#(and (= main_~p~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (= 0 main_~a~0.offset) (= main_~p~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4)))), 21776#(and (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) 3) (= 0 main_~a~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4)))), 21777#(and (= main_~p~0.offset 0) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) (+ 0 4))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) (+ 0 4))) 3) (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4)))), 21778#(and (= 0 |main_#t~mem13.offset|) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |main_#t~mem13.base|) (+ 0 4))) (select (select |#memory_$Pointer$.offset| |main_#t~mem13.base|) (+ 0 4))) 3)), 21779#(and (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4))) 3) (= main_~p~0.offset 0)), 21780#(= (select (select |#memory_int| |main_#t~mem13.base|) |main_#t~mem13.offset|) 3), 21781#(= (select (select |#memory_int| main_~p~0.base) main_~p~0.offset) 3), 21782#(= |main_#t~mem14| 3)] [2018-04-11 13:42:07,696 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 2 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:42:07,696 INFO L442 AbstractCegarLoop]: Interpolant automaton has 22 states [2018-04-11 13:42:07,696 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2018-04-11 13:42:07,696 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=403, Unknown=0, NotChecked=0, Total=462 [2018-04-11 13:42:07,696 INFO L87 Difference]: Start difference. First operand 313 states and 361 transitions. Second operand 22 states. [2018-04-11 13:42:08,452 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 13:42:08,452 INFO L93 Difference]: Finished difference Result 359 states and 405 transitions. [2018-04-11 13:42:08,452 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2018-04-11 13:42:08,452 INFO L78 Accepts]: Start accepts. Automaton has 22 states. Word has length 62 [2018-04-11 13:42:08,453 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 13:42:08,453 INFO L225 Difference]: With dead ends: 359 [2018-04-11 13:42:08,453 INFO L226 Difference]: Without dead ends: 359 [2018-04-11 13:42:08,454 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 333 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=253, Invalid=1469, Unknown=0, NotChecked=0, Total=1722 [2018-04-11 13:42:08,454 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 359 states. [2018-04-11 13:42:08,455 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 359 to 310. [2018-04-11 13:42:08,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 310 states. [2018-04-11 13:42:08,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 310 states to 310 states and 357 transitions. [2018-04-11 13:42:08,456 INFO L78 Accepts]: Start accepts. Automaton has 310 states and 357 transitions. Word has length 62 [2018-04-11 13:42:08,456 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 13:42:08,456 INFO L459 AbstractCegarLoop]: Abstraction has 310 states and 357 transitions. [2018-04-11 13:42:08,456 INFO L460 AbstractCegarLoop]: Interpolant automaton has 22 states. [2018-04-11 13:42:08,456 INFO L276 IsEmpty]: Start isEmpty. Operand 310 states and 357 transitions. [2018-04-11 13:42:08,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2018-04-11 13:42:08,456 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 13:42:08,457 INFO L355 BasicCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2018-04-11 13:42:08,457 INFO L408 AbstractCegarLoop]: === Iteration 45 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr29AssertViolationMEMORY_FREE, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr30AssertViolationMEMORY_FREE, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr32EnsuresViolationMEMORY_LEAK, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr31AssertViolationMEMORY_FREE, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr28AssertViolationMEMORY_FREE, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation]=== [2018-04-11 13:42:08,457 INFO L82 PathProgramCache]: Analyzing trace with hash -677357542, now seen corresponding path program 6 times [2018-04-11 13:42:08,457 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 13:42:08,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 13:42:08,463 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 13:42:08,685 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 0 proven. 47 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:42:08,686 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-11 13:42:08,686 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [19] total 19 [2018-04-11 13:42:08,686 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 13:42:08,686 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 13:42:08,686 INFO L182 omatonBuilderFactory]: Interpolants [22496#(and (= 0 main_~a~0.offset) (= main_~p~0.offset 0) (= main_~p~0.base main_~a~0.base)), 22497#(and (= 0 main_~a~0.offset) (= main_~p~0.offset 0) (= (select |#valid| main_~p~0.base) 1) (= main_~p~0.base main_~a~0.base)), 22498#(and (not (= main_~p~0.base |main_#t~malloc9.base|)) (= 0 main_~a~0.offset) (= main_~p~0.offset 0) (= main_~p~0.base main_~a~0.base)), 22499#(and (= 0 main_~a~0.offset) (= main_~p~0.offset 0) (not (= main_~p~0.base main_~t~0.base)) (= main_~p~0.base main_~a~0.base)), 22500#(and (= 0 main_~a~0.offset) (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= main_~p~0.offset 0) (= (select |#valid| main_~p~0.base) 1) (= main_~p~0.base main_~a~0.base)), 22501#(and (= (select |#valid| main_~a~0.base) 1) (= 0 main_~a~0.offset) (not (= main_~a~0.base |main_#t~mem10.base|)) (= |main_#t~mem10.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))), 22502#(and (= (select |#valid| main_~a~0.base) 1) (= 0 main_~a~0.offset) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (not (= main_~p~0.base main_~a~0.base))), 22503#(and (= 0 main_~a~0.offset) (not (= main_~a~0.base |main_#t~malloc9.base|)) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (not (= main_~p~0.base main_~a~0.base))), 22504#(and (= 0 main_~a~0.offset) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (not (= main_~p~0.base main_~a~0.base)) (not (= main_~a~0.base main_~t~0.base))), 22505#(and (not (= main_~a~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= 0 main_~a~0.offset) (= 1 (select |#valid| main_~p~0.base)) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))), 22506#(and (= 0 main_~a~0.offset) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (not (= main_~a~0.base |main_#t~mem10.base|))), 22507#(and (= 0 main_~a~0.offset) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (not (= main_~p~0.base main_~a~0.base))), 22508#(and (= 0 main_~a~0.offset) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))))), 22509#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))), 22510#(= 1 (select |#valid| |main_#t~mem16.base|)), 22511#(= 1 (select |#valid| main_~p~0.base)), 22492#true, 22493#false, 22494#(= 0 |main_#t~malloc0.offset|), 22495#(= 0 main_~a~0.offset)] [2018-04-11 13:42:08,686 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 0 proven. 47 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:42:08,686 INFO L442 AbstractCegarLoop]: Interpolant automaton has 20 states [2018-04-11 13:42:08,686 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2018-04-11 13:42:08,686 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=319, Unknown=0, NotChecked=0, Total=380 [2018-04-11 13:42:08,687 INFO L87 Difference]: Start difference. First operand 310 states and 357 transitions. Second operand 20 states. [2018-04-11 13:42:09,191 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 13:42:09,191 INFO L93 Difference]: Finished difference Result 384 states and 434 transitions. [2018-04-11 13:42:09,191 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2018-04-11 13:42:09,191 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 63 [2018-04-11 13:42:09,191 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 13:42:09,192 INFO L225 Difference]: With dead ends: 384 [2018-04-11 13:42:09,192 INFO L226 Difference]: Without dead ends: 384 [2018-04-11 13:42:09,193 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 249 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=291, Invalid=1191, Unknown=0, NotChecked=0, Total=1482 [2018-04-11 13:42:09,193 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 384 states. [2018-04-11 13:42:09,194 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 384 to 331. [2018-04-11 13:42:09,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 331 states. [2018-04-11 13:42:09,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 331 states to 331 states and 380 transitions. [2018-04-11 13:42:09,195 INFO L78 Accepts]: Start accepts. Automaton has 331 states and 380 transitions. Word has length 63 [2018-04-11 13:42:09,195 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 13:42:09,195 INFO L459 AbstractCegarLoop]: Abstraction has 331 states and 380 transitions. [2018-04-11 13:42:09,195 INFO L460 AbstractCegarLoop]: Interpolant automaton has 20 states. [2018-04-11 13:42:09,195 INFO L276 IsEmpty]: Start isEmpty. Operand 331 states and 380 transitions. [2018-04-11 13:42:09,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2018-04-11 13:42:09,196 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 13:42:09,196 INFO L355 BasicCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2018-04-11 13:42:09,196 INFO L408 AbstractCegarLoop]: === Iteration 46 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr29AssertViolationMEMORY_FREE, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr30AssertViolationMEMORY_FREE, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr32EnsuresViolationMEMORY_LEAK, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr31AssertViolationMEMORY_FREE, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr28AssertViolationMEMORY_FREE, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation]=== [2018-04-11 13:42:09,196 INFO L82 PathProgramCache]: Analyzing trace with hash -677357541, now seen corresponding path program 4 times [2018-04-11 13:42:09,197 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 13:42:09,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 13:42:09,208 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 13:42:09,524 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 0 proven. 47 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:42:09,525 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-11 13:42:09,525 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [19] total 19 [2018-04-11 13:42:09,525 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 13:42:09,525 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 13:42:09,525 INFO L182 omatonBuilderFactory]: Interpolants [23265#true, 23266#false, 23267#(= 0 |main_#t~malloc0.offset|), 23268#(= 0 main_~a~0.offset), 23269#(and (= 0 main_~a~0.offset) (= main_~p~0.offset 0) (= main_~p~0.base main_~a~0.base)), 23270#(and (= 0 main_~a~0.offset) (= main_~p~0.offset 0) (= (select |#valid| main_~p~0.base) 1) (= main_~p~0.base main_~a~0.base)), 23271#(and (not (= main_~p~0.base |main_#t~malloc9.base|)) (= 0 |main_#t~malloc9.offset|) (= 0 main_~a~0.offset) (= main_~p~0.offset 0) (= 8 (select |#length| |main_#t~malloc9.base|)) (= main_~p~0.base main_~a~0.base)), 23272#(and (= 8 (select |#length| main_~t~0.base)) (= 0 main_~a~0.offset) (= 0 main_~t~0.offset) (= main_~p~0.offset 0) (not (= main_~p~0.base main_~t~0.base)) (= main_~p~0.base main_~a~0.base)), 23273#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= 0 main_~a~0.offset) (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= main_~p~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4))) (= (select |#valid| main_~p~0.base) 1) (= main_~p~0.base main_~a~0.base)), 23274#(and (= (select |#valid| main_~a~0.base) 1) (= 0 main_~a~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= 8 (select |#length| |main_#t~mem10.base|)) (not (= main_~a~0.base |main_#t~mem10.base|)) (= |main_#t~mem10.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))), 23275#(and (= (select |#valid| main_~a~0.base) 1) (= 0 main_~a~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (not (= main_~p~0.base main_~a~0.base)) (= 8 (select |#length| main_~p~0.base))), 23276#(and (= 0 main_~a~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (not (= main_~a~0.base |main_#t~malloc9.base|)) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (not (= main_~p~0.base main_~a~0.base)) (= 8 (select |#length| main_~p~0.base))), 23277#(and (= 0 main_~a~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (not (= main_~p~0.base main_~a~0.base)) (= 8 (select |#length| main_~p~0.base)) (not (= main_~a~0.base main_~t~0.base))), 23278#(and (not (= main_~a~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= 0 main_~a~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (= 8 (select |#length| main_~p~0.base))), 23279#(and (= 0 main_~a~0.offset) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (not (= main_~a~0.base |main_#t~mem10.base|))), 23280#(and (= 0 main_~a~0.offset) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (not (= main_~p~0.base main_~a~0.base))), 23281#(and (= 0 main_~a~0.offset) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4)))), 23282#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= main_~p~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4)))), 23283#(and (= 0 |main_#t~mem16.offset|) (= 8 (select |#length| |main_#t~mem16.base|))), 23284#(and (= main_~p~0.offset 0) (= 8 (select |#length| main_~p~0.base)))] [2018-04-11 13:42:09,525 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 0 proven. 47 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:42:09,526 INFO L442 AbstractCegarLoop]: Interpolant automaton has 20 states [2018-04-11 13:42:09,526 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2018-04-11 13:42:09,526 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=312, Unknown=0, NotChecked=0, Total=380 [2018-04-11 13:42:09,526 INFO L87 Difference]: Start difference. First operand 331 states and 380 transitions. Second operand 20 states. [2018-04-11 13:42:10,106 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 13:42:10,106 INFO L93 Difference]: Finished difference Result 406 states and 455 transitions. [2018-04-11 13:42:10,106 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2018-04-11 13:42:10,106 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 63 [2018-04-11 13:42:10,106 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 13:42:10,107 INFO L225 Difference]: With dead ends: 406 [2018-04-11 13:42:10,107 INFO L226 Difference]: Without dead ends: 405 [2018-04-11 13:42:10,108 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 199 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=251, Invalid=1009, Unknown=0, NotChecked=0, Total=1260 [2018-04-11 13:42:10,108 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 405 states. [2018-04-11 13:42:10,109 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 405 to 331. [2018-04-11 13:42:10,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 331 states. [2018-04-11 13:42:10,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 331 states to 331 states and 380 transitions. [2018-04-11 13:42:10,110 INFO L78 Accepts]: Start accepts. Automaton has 331 states and 380 transitions. Word has length 63 [2018-04-11 13:42:10,110 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 13:42:10,110 INFO L459 AbstractCegarLoop]: Abstraction has 331 states and 380 transitions. [2018-04-11 13:42:10,110 INFO L460 AbstractCegarLoop]: Interpolant automaton has 20 states. [2018-04-11 13:42:10,110 INFO L276 IsEmpty]: Start isEmpty. Operand 331 states and 380 transitions. [2018-04-11 13:42:10,111 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2018-04-11 13:42:10,111 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 13:42:10,111 INFO L355 BasicCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 13:42:10,111 INFO L408 AbstractCegarLoop]: === Iteration 47 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr29AssertViolationMEMORY_FREE, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr30AssertViolationMEMORY_FREE, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr32EnsuresViolationMEMORY_LEAK, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr31AssertViolationMEMORY_FREE, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr28AssertViolationMEMORY_FREE, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation]=== [2018-04-11 13:42:10,111 INFO L82 PathProgramCache]: Analyzing trace with hash 1171584602, now seen corresponding path program 2 times [2018-04-11 13:42:10,111 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 13:42:10,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 13:42:10,117 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 13:42:10,429 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 2 proven. 23 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:42:10,429 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-11 13:42:10,429 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [28] total 28 [2018-04-11 13:42:10,429 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 13:42:10,429 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 13:42:10,429 INFO L182 omatonBuilderFactory]: Interpolants [24064#(and (= (select |#valid| main_~a~0.base) 1) (= main_~a~0.offset 0) (not (= main_~p~0.base main_~a~0.base)) (= 1 (select (select |#memory_int| main_~a~0.base) main_~a~0.offset))), 24065#(and (= (select |#valid| main_~a~0.base) 1) (= main_~a~0.offset 0) (= 1 (select (select |#memory_int| main_~a~0.base) main_~a~0.offset))), 24066#(and (not (= main_~a~0.base |main_#t~malloc4.base|)) (= main_~a~0.offset 0) (= 1 (select (select |#memory_int| main_~a~0.base) main_~a~0.offset))), 24067#(and (= main_~a~0.offset 0) (= 1 (select (select |#memory_int| main_~a~0.base) main_~a~0.offset)) (not (= main_~a~0.base main_~t~0.base))), 24068#(and (not (= main_~a~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= main_~a~0.offset 0) (= 1 (select (select |#memory_int| main_~a~0.base) main_~a~0.offset))), 24069#(and (not (= main_~a~0.base |main_#t~mem5.base|)) (= main_~a~0.offset 0) (= 1 (select (select |#memory_int| main_~a~0.base) main_~a~0.offset))), 24070#(and (= main_~a~0.offset 0) (not (= main_~p~0.base main_~a~0.base)) (= 1 (select (select |#memory_int| main_~a~0.base) main_~a~0.offset))), 24071#(and (= main_~a~0.offset 0) (= 1 (select (select |#memory_int| main_~a~0.base) main_~a~0.offset))), 24072#(and (or (= main_~a~0.offset |main_#t~malloc9.offset|) (not (= main_~a~0.base |main_#t~malloc9.base|))) (= 1 (select (select |#memory_int| main_~a~0.base) main_~a~0.offset))), 24073#(and (or (= main_~a~0.offset main_~t~0.offset) (not (= main_~a~0.base main_~t~0.base))) (= 1 (select (select |#memory_int| main_~a~0.base) main_~a~0.offset))), 24074#(and (or (not (= main_~a~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= main_~a~0.offset (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4)))) (= 1 (select (select |#memory_int| main_~a~0.base) main_~a~0.offset))), 24075#(and (or (= main_~a~0.offset |main_#t~mem10.offset|) (not (= main_~a~0.base |main_#t~mem10.base|))) (= 1 (select (select |#memory_int| main_~a~0.base) main_~a~0.offset))), 24076#(or (and (not (= main_~p~0.base main_~a~0.base)) (= 1 (select (select |#memory_int| main_~a~0.base) main_~a~0.offset))) (and (= main_~p~0.offset main_~a~0.offset) (= main_~p~0.base main_~a~0.base))), 24077#(or (= (select (select |#memory_int| main_~a~0.base) main_~a~0.offset) 3) (= 1 (select (select |#memory_int| main_~a~0.base) main_~a~0.offset))), 24078#(or (= 1 (select (select |#memory_int| main_~p~0.base) main_~p~0.offset)) (= (select (select |#memory_int| main_~p~0.base) main_~p~0.offset) 3)), 24079#(or (and (= |main_#t~mem11| (select (select |#memory_int| main_~p~0.base) main_~p~0.offset)) (= 1 (select (select |#memory_int| main_~p~0.base) main_~p~0.offset))) (= (select (select |#memory_int| main_~p~0.base) main_~p~0.offset) 3)), 24080#(= (select (select |#memory_int| main_~p~0.base) main_~p~0.offset) 3), 24081#(= |main_#t~mem14| 3), 24054#true, 24055#false, 24056#(= |main_#t~malloc0.offset| 0), 24057#(= main_~a~0.offset 0), 24058#(and (= main_~a~0.offset 0) (= main_~p~0.offset main_~a~0.offset) (= main_~p~0.base main_~a~0.base)), 24059#(and (= 1 (select (select |#memory_int| main_~p~0.base) main_~a~0.offset)) (= main_~a~0.offset 0) (= (select |#valid| main_~p~0.base) 1) (= main_~p~0.base main_~a~0.base)), 24060#(and (= 1 (select (select |#memory_int| main_~p~0.base) main_~a~0.offset)) (= main_~a~0.offset 0) (not (= main_~p~0.base |main_#t~malloc4.base|)) (= main_~p~0.base main_~a~0.base)), 24061#(and (= 1 (select (select |#memory_int| main_~p~0.base) main_~a~0.offset)) (= main_~a~0.offset 0) (not (= main_~p~0.base main_~t~0.base)) (= main_~p~0.base main_~a~0.base)), 24062#(and (= 1 (select (select |#memory_int| main_~p~0.base) main_~a~0.offset)) (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= main_~a~0.offset 0) (= (select |#valid| main_~p~0.base) 1) (= main_~p~0.base main_~a~0.base)), 24063#(and (not (= main_~a~0.base |main_#t~mem5.base|)) (= (select |#valid| main_~a~0.base) 1) (= main_~a~0.offset 0) (= 1 (select (select |#memory_int| main_~a~0.base) main_~a~0.offset)))] [2018-04-11 13:42:10,429 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 2 proven. 23 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:42:10,429 INFO L442 AbstractCegarLoop]: Interpolant automaton has 28 states [2018-04-11 13:42:10,429 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2018-04-11 13:42:10,430 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=116, Invalid=640, Unknown=0, NotChecked=0, Total=756 [2018-04-11 13:42:10,430 INFO L87 Difference]: Start difference. First operand 331 states and 380 transitions. Second operand 28 states. [2018-04-11 13:42:11,486 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 13:42:11,486 INFO L93 Difference]: Finished difference Result 540 states and 608 transitions. [2018-04-11 13:42:11,486 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2018-04-11 13:42:11,486 INFO L78 Accepts]: Start accepts. Automaton has 28 states. Word has length 63 [2018-04-11 13:42:11,487 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 13:42:11,488 INFO L225 Difference]: With dead ends: 540 [2018-04-11 13:42:11,488 INFO L226 Difference]: Without dead ends: 537 [2018-04-11 13:42:11,488 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 57 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 757 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=682, Invalid=2740, Unknown=0, NotChecked=0, Total=3422 [2018-04-11 13:42:11,488 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 537 states. [2018-04-11 13:42:11,490 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 537 to 337. [2018-04-11 13:42:11,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 337 states. [2018-04-11 13:42:11,491 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 337 states and 387 transitions. [2018-04-11 13:42:11,491 INFO L78 Accepts]: Start accepts. Automaton has 337 states and 387 transitions. Word has length 63 [2018-04-11 13:42:11,491 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 13:42:11,491 INFO L459 AbstractCegarLoop]: Abstraction has 337 states and 387 transitions. [2018-04-11 13:42:11,491 INFO L460 AbstractCegarLoop]: Interpolant automaton has 28 states. [2018-04-11 13:42:11,491 INFO L276 IsEmpty]: Start isEmpty. Operand 337 states and 387 transitions. [2018-04-11 13:42:11,492 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2018-04-11 13:42:11,492 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 13:42:11,492 INFO L355 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 13:42:11,492 INFO L408 AbstractCegarLoop]: === Iteration 48 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr29AssertViolationMEMORY_FREE, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr30AssertViolationMEMORY_FREE, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr32EnsuresViolationMEMORY_LEAK, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr31AssertViolationMEMORY_FREE, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr28AssertViolationMEMORY_FREE, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation]=== [2018-04-11 13:42:11,492 INFO L82 PathProgramCache]: Analyzing trace with hash -50957748, now seen corresponding path program 5 times [2018-04-11 13:42:11,492 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 13:42:11,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 13:42:11,499 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 13:42:12,075 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 6 proven. 26 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:42:12,076 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-11 13:42:12,076 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [28] total 28 [2018-04-11 13:42:12,076 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 13:42:12,076 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 13:42:12,076 INFO L182 omatonBuilderFactory]: Interpolants [25024#(= 0 main_~a~0.offset), 25025#(and (= 0 main_~a~0.offset) (= main_~p~0.offset 0) (= main_~p~0.base main_~a~0.base)), 25026#(and (= 0 main_~a~0.offset) (= main_~p~0.offset 0) (= (select |#valid| main_~p~0.base) 1) (= main_~p~0.base main_~a~0.base)), 25027#(and (= 0 main_~a~0.offset) (= main_~p~0.offset 0) (not (= main_~p~0.base |main_#t~malloc4.base|)) (= main_~p~0.base main_~a~0.base) (= 0 |main_#t~malloc4.offset|)), 25028#(and (= 0 main_~a~0.offset) (= main_~p~0.offset 0) (not (= main_~p~0.base main_~t~0.base)) (= main_~p~0.base main_~a~0.base) (= main_~t~0.offset 0)), 25029#(and (= 0 main_~a~0.offset) (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= main_~p~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4))) (= (select |#valid| main_~p~0.base) 1) (= main_~p~0.base main_~a~0.base)), 25030#(and (not (= main_~a~0.base |main_#t~mem5.base|)) (= (select |#valid| main_~a~0.base) 1) (= 0 main_~a~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4)) |main_#t~mem5.offset|) (= (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)) |main_#t~mem5.base|)), 25031#(and (= (select |#valid| main_~a~0.base) 1) (= 0 main_~a~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~p~0.offset (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (not (= main_~p~0.base main_~a~0.base))), 25032#(and (= (select |#valid| main_~a~0.base) 1) (= 0 main_~a~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (= (select |#valid| main_~p~0.base) 1) (not (= main_~p~0.base main_~a~0.base)) (= (select (select |#memory_int| main_~p~0.base) (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) 2)), 25033#(and (not (= main_~p~0.base |main_#t~malloc9.base|)) (= 0 main_~a~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (not (= main_~a~0.base |main_#t~malloc9.base|)) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (not (= main_~p~0.base main_~a~0.base)) (= (select (select |#memory_int| main_~p~0.base) (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) 2)), 25034#(and (= 0 main_~a~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (not (= main_~p~0.base main_~t~0.base)) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (not (= main_~p~0.base main_~a~0.base)) (= (select (select |#memory_int| main_~p~0.base) (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) 2) (not (= main_~a~0.base main_~t~0.base))), 25035#(and (not (= main_~a~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= 0 main_~a~0.offset) (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= 1 (select |#valid| main_~p~0.base)) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (= (select (select |#memory_int| main_~p~0.base) (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) 2)), 25036#(and (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) 2) (= 0 main_~a~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (not (= (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)) |main_#t~mem10.base|)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (not (= main_~a~0.base |main_#t~mem10.base|))), 25037#(and (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) 2) (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= 0 main_~a~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (not (= main_~p~0.base main_~a~0.base))), 25038#(and (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) 2) (= 0 main_~a~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (not (= main_~p~0.base main_~a~0.base))), 25039#(and (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) 2) (= 0 main_~a~0.offset) (not (= main_~p~0.base main_~a~0.base)) (not (= (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)) |main_#t~malloc9.base|))), 25040#(and (not (= (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)) main_~t~0.base)) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) 2) (= 0 main_~a~0.offset) (not (= main_~p~0.base main_~a~0.base))), 25041#(and (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) 2) (= 0 main_~a~0.offset) (not (= (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)) (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))))), 25042#(and (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) 2) (= 0 main_~a~0.offset) (not (= (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)) |main_#t~mem10.base|))), 25043#(and (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) 2) (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= 0 main_~a~0.offset)), 25044#(and (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) 2) (= 0 main_~a~0.offset)), 25045#(and (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4))) 2) (= main_~p~0.offset 0)), 25046#(= (select (select |#memory_int| |main_#t~mem13.base|) |main_#t~mem13.offset|) 2), 25047#(= (select (select |#memory_int| main_~p~0.base) main_~p~0.offset) 2), 25048#(= |main_#t~mem11| 2), 25021#true, 25022#false, 25023#(= 0 |main_#t~malloc0.offset|)] [2018-04-11 13:42:12,076 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 6 proven. 26 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:42:12,076 INFO L442 AbstractCegarLoop]: Interpolant automaton has 28 states [2018-04-11 13:42:12,077 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2018-04-11 13:42:12,077 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=97, Invalid=659, Unknown=0, NotChecked=0, Total=756 [2018-04-11 13:42:12,077 INFO L87 Difference]: Start difference. First operand 337 states and 387 transitions. Second operand 28 states. [2018-04-11 13:42:13,311 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 13:42:13,311 INFO L93 Difference]: Finished difference Result 421 states and 471 transitions. [2018-04-11 13:42:13,311 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2018-04-11 13:42:13,311 INFO L78 Accepts]: Start accepts. Automaton has 28 states. Word has length 65 [2018-04-11 13:42:13,312 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 13:42:13,312 INFO L225 Difference]: With dead ends: 421 [2018-04-11 13:42:13,312 INFO L226 Difference]: Without dead ends: 421 [2018-04-11 13:42:13,313 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 53 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 540 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=447, Invalid=2523, Unknown=0, NotChecked=0, Total=2970 [2018-04-11 13:42:13,313 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 421 states. [2018-04-11 13:42:13,315 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 421 to 347. [2018-04-11 13:42:13,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 347 states. [2018-04-11 13:42:13,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 347 states to 347 states and 397 transitions. [2018-04-11 13:42:13,315 INFO L78 Accepts]: Start accepts. Automaton has 347 states and 397 transitions. Word has length 65 [2018-04-11 13:42:13,315 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 13:42:13,315 INFO L459 AbstractCegarLoop]: Abstraction has 347 states and 397 transitions. [2018-04-11 13:42:13,315 INFO L460 AbstractCegarLoop]: Interpolant automaton has 28 states. [2018-04-11 13:42:13,315 INFO L276 IsEmpty]: Start isEmpty. Operand 347 states and 397 transitions. [2018-04-11 13:42:13,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2018-04-11 13:42:13,316 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 13:42:13,316 INFO L355 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 13:42:13,316 INFO L408 AbstractCegarLoop]: === Iteration 49 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr29AssertViolationMEMORY_FREE, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr30AssertViolationMEMORY_FREE, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr32EnsuresViolationMEMORY_LEAK, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr31AssertViolationMEMORY_FREE, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr28AssertViolationMEMORY_FREE, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation]=== [2018-04-11 13:42:13,316 INFO L82 PathProgramCache]: Analyzing trace with hash -1626816862, now seen corresponding path program 6 times [2018-04-11 13:42:13,316 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 13:42:13,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 13:42:13,322 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 13:42:13,694 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 32 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:42:13,694 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-11 13:42:13,695 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [22] total 22 [2018-04-11 13:42:13,695 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 13:42:13,695 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 13:42:13,695 INFO L182 omatonBuilderFactory]: Interpolants [25888#(and (= 0 main_~a~0.offset) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4)))), 25889#(and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) (+ 0 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4)))), 25890#(and (= 0 |main_#t~mem13.offset|) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| |main_#t~mem13.base|) (+ 0 4))))), 25891#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))), 25892#(= 1 (select |#valid| |main_#t~mem13.base|)), 25893#(= 1 (select |#valid| main_~p~0.base)), 25871#true, 25872#false, 25873#(= 0 |main_#t~malloc0.offset|), 25874#(= 0 main_~a~0.offset), 25875#(and (= 0 main_~a~0.offset) (= main_~p~0.offset 0) (= main_~p~0.base main_~a~0.base)), 25876#(and (= 0 main_~a~0.offset) (= main_~p~0.offset 0) (= (select |#valid| main_~p~0.base) 1) (= main_~p~0.base main_~a~0.base)), 25877#(and (= (select |#valid| |main_#t~malloc4.base|) 1) (= 0 main_~a~0.offset) (= main_~p~0.offset 0) (not (= main_~p~0.base |main_#t~malloc4.base|)) (= main_~p~0.base main_~a~0.base) (= 0 |main_#t~malloc4.offset|)), 25878#(and (= 0 main_~a~0.offset) (= 0 main_~t~0.offset) (= main_~p~0.offset 0) (not (= main_~p~0.base main_~t~0.base)) (= main_~p~0.base main_~a~0.base) (= (select |#valid| main_~t~0.base) 1)), 25879#(and (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) 1) (= 0 main_~a~0.offset) (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= main_~p~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4))) (= (select |#valid| main_~p~0.base) 1) (= main_~p~0.base main_~a~0.base)), 25880#(and (not (= main_~a~0.base |main_#t~mem5.base|)) (= (select |#valid| main_~a~0.base) 1) (= 0 main_~a~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)) |main_#t~mem5.base|) (= (select |#valid| |main_#t~mem5.base|) 1) (= 0 |main_#t~mem5.offset|)), 25881#(and (= (select |#valid| main_~a~0.base) 1) (= 0 main_~a~0.offset) (= main_~p~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (= (select |#valid| main_~p~0.base) 1) (not (= main_~p~0.base main_~a~0.base))), 25882#(and (not (= main_~a~0.base |main_#t~malloc4.base|)) (= 0 main_~a~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~p~0.offset 0) (not (= main_~p~0.base |main_#t~malloc4.base|)) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (not (= main_~p~0.base main_~a~0.base))), 25883#(and (= 0 main_~a~0.offset) (= main_~p~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (not (= main_~p~0.base main_~t~0.base)) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (not (= main_~p~0.base main_~a~0.base)) (not (= main_~a~0.base main_~t~0.base))), 25884#(and (not (= main_~a~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= 0 main_~a~0.offset) (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= main_~p~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))), 25885#(and (not (= main_~a~0.base |main_#t~mem5.base|)) (= 0 main_~a~0.offset) (not (= (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)) |main_#t~mem5.base|)) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= |main_#t~mem5.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4)))), 25886#(and (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= 0 main_~a~0.offset) (= main_~p~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (not (= main_~p~0.base main_~a~0.base))), 25887#(and (= 0 main_~a~0.offset) (= main_~p~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= 1 (select |#valid| main_~p~0.base)))] [2018-04-11 13:42:13,695 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 32 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:42:13,695 INFO L442 AbstractCegarLoop]: Interpolant automaton has 23 states [2018-04-11 13:42:13,695 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2018-04-11 13:42:13,696 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=438, Unknown=0, NotChecked=0, Total=506 [2018-04-11 13:42:13,696 INFO L87 Difference]: Start difference. First operand 347 states and 397 transitions. Second operand 23 states. [2018-04-11 13:42:14,655 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 13:42:14,655 INFO L93 Difference]: Finished difference Result 422 states and 473 transitions. [2018-04-11 13:42:14,655 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2018-04-11 13:42:14,655 INFO L78 Accepts]: Start accepts. Automaton has 23 states. Word has length 65 [2018-04-11 13:42:14,656 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 13:42:14,656 INFO L225 Difference]: With dead ends: 422 [2018-04-11 13:42:14,656 INFO L226 Difference]: Without dead ends: 422 [2018-04-11 13:42:14,657 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 1 SyntacticMatches, 2 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 380 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=328, Invalid=1742, Unknown=0, NotChecked=0, Total=2070 [2018-04-11 13:42:14,657 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 422 states. [2018-04-11 13:42:14,658 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 422 to 350. [2018-04-11 13:42:14,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 350 states. [2018-04-11 13:42:14,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 350 states to 350 states and 401 transitions. [2018-04-11 13:42:14,659 INFO L78 Accepts]: Start accepts. Automaton has 350 states and 401 transitions. Word has length 65 [2018-04-11 13:42:14,659 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 13:42:14,659 INFO L459 AbstractCegarLoop]: Abstraction has 350 states and 401 transitions. [2018-04-11 13:42:14,659 INFO L460 AbstractCegarLoop]: Interpolant automaton has 23 states. [2018-04-11 13:42:14,659 INFO L276 IsEmpty]: Start isEmpty. Operand 350 states and 401 transitions. [2018-04-11 13:42:14,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2018-04-11 13:42:14,660 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 13:42:14,660 INFO L355 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 13:42:14,660 INFO L408 AbstractCegarLoop]: === Iteration 50 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr29AssertViolationMEMORY_FREE, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr30AssertViolationMEMORY_FREE, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr32EnsuresViolationMEMORY_LEAK, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr31AssertViolationMEMORY_FREE, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr28AssertViolationMEMORY_FREE, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation]=== [2018-04-11 13:42:14,660 INFO L82 PathProgramCache]: Analyzing trace with hash -1626816861, now seen corresponding path program 4 times [2018-04-11 13:42:14,661 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 13:42:14,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 13:42:14,669 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 13:42:15,176 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 32 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:42:15,176 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-11 13:42:15,176 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [25] total 25 [2018-04-11 13:42:15,176 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 13:42:15,176 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 13:42:15,177 INFO L182 omatonBuilderFactory]: Interpolants [26712#true, 26713#false, 26714#(= 0 |main_#t~malloc0.offset|), 26715#(= 0 main_~a~0.offset), 26716#(and (= 0 main_~a~0.offset) (= main_~p~0.offset 0) (= main_~p~0.base main_~a~0.base)), 26717#(and (= 0 main_~a~0.offset) (= main_~p~0.offset 0) (= (select |#valid| main_~p~0.base) 1) (= main_~p~0.base main_~a~0.base)), 26718#(and (= (select |#valid| |main_#t~malloc4.base|) 1) (= 0 main_~a~0.offset) (= main_~p~0.offset 0) (not (= main_~p~0.base |main_#t~malloc4.base|)) (= main_~p~0.base main_~a~0.base) (= 0 |main_#t~malloc4.offset|) (= 8 (select |#length| |main_#t~malloc4.base|))), 26719#(and (= 8 (select |#length| main_~t~0.base)) (= 0 main_~a~0.offset) (= 0 main_~t~0.offset) (= main_~p~0.offset 0) (not (= main_~p~0.base main_~t~0.base)) (= main_~p~0.base main_~a~0.base) (= (select |#valid| main_~t~0.base) 1)), 26720#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) 1) (= 0 main_~a~0.offset) (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= main_~p~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4))) (= (select |#valid| main_~p~0.base) 1) (= main_~p~0.base main_~a~0.base)), 26721#(and (not (= main_~a~0.base |main_#t~mem5.base|)) (= (select |#valid| main_~a~0.base) 1) (= 0 main_~a~0.offset) (= 8 (select |#length| |main_#t~mem5.base|)) (= |main_#t~mem5.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (= (select |#valid| |main_#t~mem5.base|) 1) (= 0 |main_#t~mem5.offset|)), 26722#(and (or (and (= 0 main_~p~0.offset) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (= (select |#valid| main_~p~0.base) 1)) (<= (+ main_~p~0.offset 1) 0)) (= (select |#valid| main_~a~0.base) 1) (= 0 main_~a~0.offset) (not (= main_~p~0.base main_~a~0.base)) (= 8 (select |#length| main_~p~0.base))), 26723#(and (= (select |#valid| main_~a~0.base) 1) (= 0 main_~a~0.offset) (= 0 main_~p~0.offset) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (= (select |#valid| main_~p~0.base) 1) (not (= main_~p~0.base main_~a~0.base)) (= 8 (select |#length| main_~p~0.base))), 26724#(and (not (= main_~a~0.base |main_#t~malloc4.base|)) (= 0 main_~a~0.offset) (not (= main_~p~0.base |main_#t~malloc4.base|)) (= 0 main_~p~0.offset) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (not (= main_~p~0.base main_~a~0.base)) (= 8 (select |#length| main_~p~0.base)) (= 0 |main_#t~malloc4.offset|)), 26725#(and (= 0 main_~a~0.offset) (= 0 main_~t~0.offset) (not (= main_~p~0.base main_~t~0.base)) (= 0 main_~p~0.offset) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (not (= main_~p~0.base main_~a~0.base)) (= 8 (select |#length| main_~p~0.base)) (not (= main_~a~0.base main_~t~0.base))), 26726#(and (not (= main_~a~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= 0 main_~a~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ 0 4))) (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= main_~p~0.offset 0) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (= 8 (select |#length| main_~p~0.base))), 26727#(and (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4)) |main_#t~mem5.base|) (not (= main_~a~0.base |main_#t~mem5.base|)) (= 0 main_~a~0.offset) (not (= (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)) |main_#t~mem5.base|)) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4)))), 26728#(and (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= 0 main_~a~0.offset) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= main_~p~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (not (= main_~p~0.base main_~a~0.base))), 26729#(and (<= 0 main_~p~0.offset) (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= 0 main_~a~0.offset) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= main_~p~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (not (= main_~p~0.base main_~a~0.base))), 26730#(and (= 0 main_~a~0.offset) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= main_~p~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (<= 8 (select |#length| main_~p~0.base))), 26731#(and (= 0 main_~a~0.offset) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4)))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4)))), 26732#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) (+ 0 4)))) (= main_~p~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) (+ 0 4)))), 26733#(and (= 8 (select |#length| |main_#t~mem13.base|)) (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem13.base|) (+ 0 4))) (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| |main_#t~mem13.base|) (+ 0 4))))), 26734#(or (and (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4))) (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))))) (<= (+ main_~p~0.offset 1) 0) (and (<= 1 main_~p~0.offset) (= 8 (select |#length| main_~p~0.base)))), 26735#(or (and (= (select |#length| main_~p~0.base) 8) (<= 1 main_~p~0.offset)) (and (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4))) (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))))), 26736#(and (<= 8 (select |#length| |main_#t~mem13.base|)) (= 0 |main_#t~mem13.offset|)), 26737#(and (= main_~p~0.offset 0) (<= 8 (select |#length| main_~p~0.base)))] [2018-04-11 13:42:15,177 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 32 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:42:15,177 INFO L442 AbstractCegarLoop]: Interpolant automaton has 26 states [2018-04-11 13:42:15,177 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2018-04-11 13:42:15,177 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=80, Invalid=570, Unknown=0, NotChecked=0, Total=650 [2018-04-11 13:42:15,177 INFO L87 Difference]: Start difference. First operand 350 states and 401 transitions. Second operand 26 states. [2018-04-11 13:42:16,557 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 13:42:16,557 INFO L93 Difference]: Finished difference Result 446 states and 500 transitions. [2018-04-11 13:42:16,557 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2018-04-11 13:42:16,557 INFO L78 Accepts]: Start accepts. Automaton has 26 states. Word has length 65 [2018-04-11 13:42:16,557 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 13:42:16,558 INFO L225 Difference]: With dead ends: 446 [2018-04-11 13:42:16,558 INFO L226 Difference]: Without dead ends: 446 [2018-04-11 13:42:16,559 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 556 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=386, Invalid=2370, Unknown=0, NotChecked=0, Total=2756 [2018-04-11 13:42:16,559 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 446 states. [2018-04-11 13:42:16,561 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 446 to 355. [2018-04-11 13:42:16,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 355 states. [2018-04-11 13:42:16,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 355 states to 355 states and 407 transitions. [2018-04-11 13:42:16,561 INFO L78 Accepts]: Start accepts. Automaton has 355 states and 407 transitions. Word has length 65 [2018-04-11 13:42:16,561 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 13:42:16,561 INFO L459 AbstractCegarLoop]: Abstraction has 355 states and 407 transitions. [2018-04-11 13:42:16,561 INFO L460 AbstractCegarLoop]: Interpolant automaton has 26 states. [2018-04-11 13:42:16,562 INFO L276 IsEmpty]: Start isEmpty. Operand 355 states and 407 transitions. [2018-04-11 13:42:16,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2018-04-11 13:42:16,562 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 13:42:16,562 INFO L355 BasicCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2018-04-11 13:42:16,562 INFO L408 AbstractCegarLoop]: === Iteration 51 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr29AssertViolationMEMORY_FREE, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr30AssertViolationMEMORY_FREE, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr32EnsuresViolationMEMORY_LEAK, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr31AssertViolationMEMORY_FREE, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr28AssertViolationMEMORY_FREE, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation]=== [2018-04-11 13:42:16,562 INFO L82 PathProgramCache]: Analyzing trace with hash 1218216714, now seen corresponding path program 7 times [2018-04-11 13:42:16,563 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 13:42:16,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 13:42:16,570 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 13:42:16,964 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 0 proven. 54 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:42:16,964 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-11 13:42:16,964 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [22] total 22 [2018-04-11 13:42:16,964 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 13:42:16,964 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 13:42:16,964 INFO L182 omatonBuilderFactory]: Interpolants [27593#true, 27594#false, 27595#(= 0 |main_#t~malloc0.offset|), 27596#(= 0 main_~a~0.offset), 27597#(and (= 0 main_~a~0.offset) (= main_~p~0.offset 0) (= main_~p~0.base main_~a~0.base)), 27598#(and (= 0 main_~a~0.offset) (= main_~p~0.offset 0) (= (select |#valid| main_~p~0.base) 1) (= main_~p~0.base main_~a~0.base)), 27599#(and (not (= main_~p~0.base |main_#t~malloc9.base|)) (= 0 |main_#t~malloc9.offset|) (= 0 main_~a~0.offset) (= main_~p~0.offset 0) (= main_~p~0.base main_~a~0.base)), 27600#(and (= 0 main_~a~0.offset) (= 0 main_~t~0.offset) (= main_~p~0.offset 0) (not (= main_~p~0.base main_~t~0.base)) (= main_~p~0.base main_~a~0.base)), 27601#(and (= 0 main_~a~0.offset) (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= main_~p~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4))) (= (select |#valid| main_~p~0.base) 1) (= main_~p~0.base main_~a~0.base)), 27602#(and (= (select |#valid| main_~a~0.base) 1) (= 0 main_~a~0.offset) (= (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)) |main_#t~mem10.base|) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (not (= main_~a~0.base |main_#t~mem10.base|)) (= 0 |main_#t~mem10.offset|)), 27603#(and (= (select |#valid| main_~a~0.base) 1) (= 0 main_~a~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~p~0.offset 0) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (not (= main_~p~0.base main_~a~0.base))), 27604#(and (= (select |#valid| main_~a~0.base) 1) (= 0 main_~a~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~p~0.offset 0) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (= (select |#valid| main_~p~0.base) 1) (not (= main_~p~0.base main_~a~0.base))), 27605#(and (not (= main_~p~0.base |main_#t~malloc9.base|)) (= 0 main_~a~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~p~0.offset 0) (not (= main_~a~0.base |main_#t~malloc9.base|)) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (not (= main_~p~0.base main_~a~0.base))), 27606#(and (= 0 main_~a~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~p~0.offset 0) (not (= main_~p~0.base main_~t~0.base)) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (not (= main_~p~0.base main_~a~0.base)) (not (= main_~a~0.base main_~t~0.base))), 27607#(and (not (= main_~a~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= 0 main_~a~0.offset) (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~p~0.offset 0) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))), 27608#(and (= 0 main_~a~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (not (= (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)) |main_#t~mem10.base|)) (= |main_#t~mem10.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (not (= main_~a~0.base |main_#t~mem10.base|))), 27609#(and (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= 0 main_~a~0.offset) (= main_~p~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (not (= main_~p~0.base main_~a~0.base))), 27610#(and (= 0 main_~a~0.offset) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4)))), 27611#(and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) (+ 0 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4)))), 27612#(and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| |main_#t~mem16.base|) (+ 0 4)))) (= 0 |main_#t~mem16.offset|)), 27613#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))), 27614#(= 1 (select |#valid| |main_#t~mem16.base|)), 27615#(= 1 (select |#valid| main_~p~0.base))] [2018-04-11 13:42:16,965 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 0 proven. 54 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:42:16,965 INFO L442 AbstractCegarLoop]: Interpolant automaton has 23 states [2018-04-11 13:42:16,965 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2018-04-11 13:42:16,965 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=440, Unknown=0, NotChecked=0, Total=506 [2018-04-11 13:42:16,965 INFO L87 Difference]: Start difference. First operand 355 states and 407 transitions. Second operand 23 states. [2018-04-11 13:42:17,747 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 13:42:17,747 INFO L93 Difference]: Finished difference Result 411 states and 463 transitions. [2018-04-11 13:42:17,748 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2018-04-11 13:42:17,748 INFO L78 Accepts]: Start accepts. Automaton has 23 states. Word has length 68 [2018-04-11 13:42:17,748 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 13:42:17,748 INFO L225 Difference]: With dead ends: 411 [2018-04-11 13:42:17,748 INFO L226 Difference]: Without dead ends: 411 [2018-04-11 13:42:17,749 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 45 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 411 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=339, Invalid=1823, Unknown=0, NotChecked=0, Total=2162 [2018-04-11 13:42:17,749 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 411 states. [2018-04-11 13:42:17,751 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 411 to 360. [2018-04-11 13:42:17,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 360 states. [2018-04-11 13:42:17,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 360 states to 360 states and 412 transitions. [2018-04-11 13:42:17,751 INFO L78 Accepts]: Start accepts. Automaton has 360 states and 412 transitions. Word has length 68 [2018-04-11 13:42:17,751 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 13:42:17,751 INFO L459 AbstractCegarLoop]: Abstraction has 360 states and 412 transitions. [2018-04-11 13:42:17,751 INFO L460 AbstractCegarLoop]: Interpolant automaton has 23 states. [2018-04-11 13:42:17,751 INFO L276 IsEmpty]: Start isEmpty. Operand 360 states and 412 transitions. [2018-04-11 13:42:17,752 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2018-04-11 13:42:17,752 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 13:42:17,752 INFO L355 BasicCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2018-04-11 13:42:17,752 INFO L408 AbstractCegarLoop]: === Iteration 52 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr29AssertViolationMEMORY_FREE, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr30AssertViolationMEMORY_FREE, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr32EnsuresViolationMEMORY_LEAK, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr31AssertViolationMEMORY_FREE, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr28AssertViolationMEMORY_FREE, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation]=== [2018-04-11 13:42:17,752 INFO L82 PathProgramCache]: Analyzing trace with hash 1218216715, now seen corresponding path program 5 times [2018-04-11 13:42:17,753 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 13:42:17,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 13:42:17,760 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 13:42:18,284 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 0 proven. 54 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:42:18,285 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-11 13:42:18,285 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [24] total 24 [2018-04-11 13:42:18,285 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 13:42:18,285 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 13:42:18,285 INFO L182 omatonBuilderFactory]: Interpolants [28435#true, 28436#false, 28437#(= 0 |main_#t~malloc0.offset|), 28438#(= 0 main_~a~0.offset), 28439#(and (= 0 main_~a~0.offset) (= main_~p~0.offset 0) (= main_~p~0.base main_~a~0.base)), 28440#(and (= 0 main_~a~0.offset) (= main_~p~0.offset 0) (= (select |#valid| main_~p~0.base) 1) (= main_~p~0.base main_~a~0.base)), 28441#(and (not (= main_~p~0.base |main_#t~malloc9.base|)) (= 0 |main_#t~malloc9.offset|) (= 0 main_~a~0.offset) (= main_~p~0.offset 0) (= main_~p~0.base main_~a~0.base)), 28442#(and (= 0 main_~a~0.offset) (= 0 main_~t~0.offset) (= main_~p~0.offset 0) (not (= main_~p~0.base main_~t~0.base)) (= main_~p~0.base main_~a~0.base)), 28443#(and (= 0 main_~a~0.offset) (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= main_~p~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4))) (= (select |#valid| main_~p~0.base) 1) (= main_~p~0.base main_~a~0.base)), 28444#(and (= (select |#valid| main_~a~0.base) 1) (= 0 main_~a~0.offset) (= (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)) |main_#t~mem10.base|) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (not (= main_~a~0.base |main_#t~mem10.base|)) (= 0 |main_#t~mem10.offset|)), 28445#(and (= (select |#valid| main_~a~0.base) 1) (= 0 main_~a~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~p~0.offset 0) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (not (= main_~p~0.base main_~a~0.base))), 28446#(and (= (select |#valid| main_~a~0.base) 1) (= 0 main_~a~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~p~0.offset 0) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (= (select |#valid| main_~p~0.base) 1) (not (= main_~p~0.base main_~a~0.base))), 28447#(and (not (= main_~p~0.base |main_#t~malloc9.base|)) (= 0 |main_#t~malloc9.offset|) (= 0 main_~a~0.offset) (= main_~p~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (not (= main_~a~0.base |main_#t~malloc9.base|)) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (= 8 (select |#length| |main_#t~malloc9.base|)) (not (= main_~p~0.base main_~a~0.base))), 28448#(and (= 8 (select |#length| main_~t~0.base)) (= 0 main_~a~0.offset) (= 0 main_~t~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~p~0.offset 0) (not (= main_~p~0.base main_~t~0.base)) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (not (= main_~p~0.base main_~a~0.base)) (not (= main_~a~0.base main_~t~0.base))), 28449#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (not (= main_~a~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= 0 main_~a~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ 0 4))) (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~p~0.offset 0) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))), 28450#(and (= 0 main_~a~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (not (= (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)) |main_#t~mem10.base|)) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (= |main_#t~mem10.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (= 8 (select |#length| |main_#t~mem10.base|)) (not (= main_~a~0.base |main_#t~mem10.base|))), 28451#(and (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= 0 main_~a~0.offset) (= main_~p~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (not (= main_~p~0.base main_~a~0.base)) (= 8 (select |#length| main_~p~0.base))), 28452#(and (= 0 main_~a~0.offset) (= main_~p~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (= 8 (select |#length| main_~p~0.base))), 28453#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4)))) (= 0 main_~a~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4)))), 28454#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) (+ 0 4)))) (= main_~p~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) (+ 0 4)))), 28455#(and (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem16.base|) (+ 0 4))) (= 0 |main_#t~mem16.offset|) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| |main_#t~mem16.base|) (+ 0 4))))), 28456#(or (<= (+ main_~p~0.offset 1) 0) (and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= main_~p~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4))))), 28457#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= main_~p~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4)))), 28458#(and (= 0 |main_#t~mem16.offset|) (= 8 (select |#length| |main_#t~mem16.base|))), 28459#(and (= main_~p~0.offset 0) (= 8 (select |#length| main_~p~0.base)))] [2018-04-11 13:42:18,285 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 0 proven. 54 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:42:18,285 INFO L442 AbstractCegarLoop]: Interpolant automaton has 25 states [2018-04-11 13:42:18,285 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2018-04-11 13:42:18,286 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=76, Invalid=524, Unknown=0, NotChecked=0, Total=600 [2018-04-11 13:42:18,286 INFO L87 Difference]: Start difference. First operand 360 states and 412 transitions. Second operand 25 states. [2018-04-11 13:42:19,242 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 13:42:19,242 INFO L93 Difference]: Finished difference Result 437 states and 490 transitions. [2018-04-11 13:42:19,242 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2018-04-11 13:42:19,242 INFO L78 Accepts]: Start accepts. Automaton has 25 states. Word has length 68 [2018-04-11 13:42:19,242 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 13:42:19,243 INFO L225 Difference]: With dead ends: 437 [2018-04-11 13:42:19,243 INFO L226 Difference]: Without dead ends: 437 [2018-04-11 13:42:19,243 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 393 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=303, Invalid=1767, Unknown=0, NotChecked=0, Total=2070 [2018-04-11 13:42:19,244 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 437 states. [2018-04-11 13:42:19,245 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 437 to 360. [2018-04-11 13:42:19,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 360 states. [2018-04-11 13:42:19,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 360 states to 360 states and 412 transitions. [2018-04-11 13:42:19,246 INFO L78 Accepts]: Start accepts. Automaton has 360 states and 412 transitions. Word has length 68 [2018-04-11 13:42:19,246 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 13:42:19,246 INFO L459 AbstractCegarLoop]: Abstraction has 360 states and 412 transitions. [2018-04-11 13:42:19,246 INFO L460 AbstractCegarLoop]: Interpolant automaton has 25 states. [2018-04-11 13:42:19,246 INFO L276 IsEmpty]: Start isEmpty. Operand 360 states and 412 transitions. [2018-04-11 13:42:19,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2018-04-11 13:42:19,247 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 13:42:19,247 INFO L355 BasicCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 13:42:19,247 INFO L408 AbstractCegarLoop]: === Iteration 53 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr29AssertViolationMEMORY_FREE, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr30AssertViolationMEMORY_FREE, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr32EnsuresViolationMEMORY_LEAK, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr31AssertViolationMEMORY_FREE, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr28AssertViolationMEMORY_FREE, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation]=== [2018-04-11 13:42:19,247 INFO L82 PathProgramCache]: Analyzing trace with hash -1496075971, now seen corresponding path program 3 times [2018-04-11 13:42:19,247 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 13:42:19,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 13:42:19,255 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 13:42:19,679 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:42:19,679 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-11 13:42:19,679 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [23] total 23 [2018-04-11 13:42:19,680 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 13:42:19,680 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 13:42:19,680 INFO L182 omatonBuilderFactory]: Interpolants [29312#(and (= 0 main_~a~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~p~0.offset 0) (not (= main_~p~0.base main_~t~0.base)) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (not (= main_~p~0.base main_~a~0.base)) (not (= main_~a~0.base main_~t~0.base))), 29313#(and (not (= main_~a~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= 0 main_~a~0.offset) (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= main_~p~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))), 29314#(and (= 0 main_~a~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (not (= (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)) |main_#t~mem10.base|)) (= |main_#t~mem10.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (not (= main_~a~0.base |main_#t~mem10.base|))), 29315#(and (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= 0 main_~a~0.offset) (= main_~p~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (not (= main_~p~0.base main_~a~0.base))), 29316#(and (= 0 main_~a~0.offset) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4)))), 29317#(and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) (+ 0 4)))) (= main_~p~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4)))), 29318#(and (= 0 |main_#t~mem13.offset|) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| |main_#t~mem13.base|) (+ 0 4))))), 29319#(or (<= (+ main_~p~0.offset 1) 0) (and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= main_~p~0.offset 0))), 29320#(and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= main_~p~0.offset 0)), 29321#(= 1 (select |#valid| |main_#t~mem16.base|)), 29322#(= 1 (select |#valid| main_~p~0.base)), 29299#true, 29300#false, 29301#(= 0 |main_#t~malloc0.offset|), 29302#(= 0 main_~a~0.offset), 29303#(and (= 0 main_~a~0.offset) (= main_~p~0.offset 0) (= main_~p~0.base main_~a~0.base)), 29304#(and (= 0 main_~a~0.offset) (= main_~p~0.offset 0) (= (select |#valid| main_~p~0.base) 1) (= main_~p~0.base main_~a~0.base)), 29305#(and (= 0 main_~a~0.offset) (= main_~p~0.offset 0) (not (= main_~p~0.base |main_#t~malloc4.base|)) (= main_~p~0.base main_~a~0.base) (= 0 |main_#t~malloc4.offset|)), 29306#(and (= 0 main_~a~0.offset) (= 0 main_~t~0.offset) (= main_~p~0.offset 0) (not (= main_~p~0.base main_~t~0.base)) (= main_~p~0.base main_~a~0.base)), 29307#(and (= 0 main_~a~0.offset) (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= main_~p~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4))) (= (select |#valid| main_~p~0.base) 1) (= main_~p~0.base main_~a~0.base)), 29308#(and (not (= main_~a~0.base |main_#t~mem5.base|)) (= (select |#valid| main_~a~0.base) 1) (= 0 main_~a~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)) |main_#t~mem5.base|) (= 0 |main_#t~mem5.offset|)), 29309#(and (= (select |#valid| main_~a~0.base) 1) (= 0 main_~a~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~p~0.offset 0) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (not (= main_~p~0.base main_~a~0.base))), 29310#(and (= (select |#valid| main_~a~0.base) 1) (= 0 main_~a~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~p~0.offset 0) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (= (select |#valid| main_~p~0.base) 1) (not (= main_~p~0.base main_~a~0.base))), 29311#(and (not (= main_~p~0.base |main_#t~malloc9.base|)) (= 0 main_~a~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~p~0.offset 0) (not (= main_~a~0.base |main_#t~malloc9.base|)) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (not (= main_~p~0.base main_~a~0.base)))] [2018-04-11 13:42:19,680 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:42:19,680 INFO L442 AbstractCegarLoop]: Interpolant automaton has 24 states [2018-04-11 13:42:19,680 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2018-04-11 13:42:19,680 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=69, Invalid=483, Unknown=0, NotChecked=0, Total=552 [2018-04-11 13:42:19,680 INFO L87 Difference]: Start difference. First operand 360 states and 412 transitions. Second operand 24 states. [2018-04-11 13:42:20,652 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 13:42:20,652 INFO L93 Difference]: Finished difference Result 418 states and 470 transitions. [2018-04-11 13:42:20,653 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2018-04-11 13:42:20,653 INFO L78 Accepts]: Start accepts. Automaton has 24 states. Word has length 68 [2018-04-11 13:42:20,653 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 13:42:20,654 INFO L225 Difference]: With dead ends: 418 [2018-04-11 13:42:20,654 INFO L226 Difference]: Without dead ends: 418 [2018-04-11 13:42:20,654 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 443 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=345, Invalid=1911, Unknown=0, NotChecked=0, Total=2256 [2018-04-11 13:42:20,655 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 418 states. [2018-04-11 13:42:20,657 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 418 to 365. [2018-04-11 13:42:20,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 365 states. [2018-04-11 13:42:20,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 365 states to 365 states and 417 transitions. [2018-04-11 13:42:20,658 INFO L78 Accepts]: Start accepts. Automaton has 365 states and 417 transitions. Word has length 68 [2018-04-11 13:42:20,658 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 13:42:20,658 INFO L459 AbstractCegarLoop]: Abstraction has 365 states and 417 transitions. [2018-04-11 13:42:20,658 INFO L460 AbstractCegarLoop]: Interpolant automaton has 24 states. [2018-04-11 13:42:20,658 INFO L276 IsEmpty]: Start isEmpty. Operand 365 states and 417 transitions. [2018-04-11 13:42:20,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2018-04-11 13:42:20,659 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 13:42:20,659 INFO L355 BasicCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 13:42:20,659 INFO L408 AbstractCegarLoop]: === Iteration 54 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr29AssertViolationMEMORY_FREE, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr30AssertViolationMEMORY_FREE, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr32EnsuresViolationMEMORY_LEAK, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr31AssertViolationMEMORY_FREE, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr28AssertViolationMEMORY_FREE, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation]=== [2018-04-11 13:42:20,659 INFO L82 PathProgramCache]: Analyzing trace with hash -1496075970, now seen corresponding path program 2 times [2018-04-11 13:42:20,660 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 13:42:20,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 13:42:20,671 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 13:42:21,341 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:42:21,341 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-11 13:42:21,341 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [24] total 24 [2018-04-11 13:42:21,342 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 13:42:21,342 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 13:42:21,342 INFO L182 omatonBuilderFactory]: Interpolants [30154#true, 30155#false, 30156#(= 0 |main_#t~malloc0.offset|), 30157#(= 0 main_~a~0.offset), 30158#(and (= 0 main_~a~0.offset) (= main_~p~0.offset 0) (= main_~p~0.base main_~a~0.base)), 30159#(and (= 0 main_~a~0.offset) (= main_~p~0.offset 0) (= (select |#valid| main_~p~0.base) 1) (= main_~p~0.base main_~a~0.base)), 30160#(and (= 0 main_~a~0.offset) (= main_~p~0.offset 0) (not (= main_~p~0.base |main_#t~malloc4.base|)) (= main_~p~0.base main_~a~0.base) (= 0 |main_#t~malloc4.offset|)), 30161#(and (= 0 main_~a~0.offset) (= 0 main_~t~0.offset) (= main_~p~0.offset 0) (not (= main_~p~0.base main_~t~0.base)) (= main_~p~0.base main_~a~0.base)), 30162#(and (= 0 main_~a~0.offset) (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= main_~p~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4))) (= (select |#valid| main_~p~0.base) 1) (= main_~p~0.base main_~a~0.base)), 30163#(and (not (= main_~a~0.base |main_#t~mem5.base|)) (= (select |#valid| main_~a~0.base) 1) (= 0 main_~a~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)) |main_#t~mem5.base|) (= 0 |main_#t~mem5.offset|)), 30164#(and (= (select |#valid| main_~a~0.base) 1) (= 0 main_~a~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~p~0.offset 0) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (not (= main_~p~0.base main_~a~0.base))), 30165#(and (= (select |#valid| main_~a~0.base) 1) (= 0 main_~a~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~p~0.offset 0) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (= (select |#valid| main_~p~0.base) 1) (not (= main_~p~0.base main_~a~0.base))), 30166#(and (not (= main_~p~0.base |main_#t~malloc9.base|)) (= 0 |main_#t~malloc9.offset|) (= 0 main_~a~0.offset) (= main_~p~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (not (= main_~a~0.base |main_#t~malloc9.base|)) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (= 8 (select |#length| |main_#t~malloc9.base|)) (not (= main_~p~0.base main_~a~0.base))), 30167#(and (= 8 (select |#length| main_~t~0.base)) (= 0 main_~a~0.offset) (= 0 main_~t~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~p~0.offset 0) (not (= main_~p~0.base main_~t~0.base)) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (not (= main_~p~0.base main_~a~0.base)) (not (= main_~a~0.base main_~t~0.base))), 30168#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (not (= main_~a~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ 0 4))) (= 0 main_~a~0.offset) (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~p~0.offset 0) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))), 30169#(and (= 0 main_~a~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (not (= (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)) |main_#t~mem10.base|)) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (= |main_#t~mem10.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (= 8 (select |#length| |main_#t~mem10.base|)) (not (= main_~a~0.base |main_#t~mem10.base|))), 30170#(and (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= 0 main_~a~0.offset) (= main_~p~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (not (= main_~p~0.base main_~a~0.base)) (= 8 (select |#length| main_~p~0.base))), 30171#(and (= 0 main_~a~0.offset) (= main_~p~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (= 8 (select |#length| main_~p~0.base))), 30172#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4)))) (= 0 main_~a~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4)))), 30173#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) (+ 0 4)))) (= main_~p~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) (+ 0 4)))), 30174#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| |main_#t~mem13.base|) (+ 0 4)))) (= 0 |main_#t~mem13.offset|) (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem13.base|) (+ 0 4)))), 30175#(or (<= (+ main_~p~0.offset 1) 0) (and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= main_~p~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4))))), 30176#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= main_~p~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4)))), 30177#(and (= 0 |main_#t~mem16.offset|) (= 8 (select |#length| |main_#t~mem16.base|))), 30178#(and (= main_~p~0.offset 0) (= 8 (select |#length| main_~p~0.base)))] [2018-04-11 13:42:21,342 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:42:21,342 INFO L442 AbstractCegarLoop]: Interpolant automaton has 25 states [2018-04-11 13:42:21,342 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2018-04-11 13:42:21,342 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=76, Invalid=524, Unknown=0, NotChecked=0, Total=600 [2018-04-11 13:42:21,343 INFO L87 Difference]: Start difference. First operand 365 states and 417 transitions. Second operand 25 states. [2018-04-11 13:42:22,386 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 13:42:22,386 INFO L93 Difference]: Finished difference Result 442 states and 495 transitions. [2018-04-11 13:42:22,386 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2018-04-11 13:42:22,387 INFO L78 Accepts]: Start accepts. Automaton has 25 states. Word has length 68 [2018-04-11 13:42:22,387 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 13:42:22,388 INFO L225 Difference]: With dead ends: 442 [2018-04-11 13:42:22,388 INFO L226 Difference]: Without dead ends: 442 [2018-04-11 13:42:22,388 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 396 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=303, Invalid=1767, Unknown=0, NotChecked=0, Total=2070 [2018-04-11 13:42:22,388 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 442 states. [2018-04-11 13:42:22,390 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 442 to 360. [2018-04-11 13:42:22,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 360 states. [2018-04-11 13:42:22,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 360 states to 360 states and 412 transitions. [2018-04-11 13:42:22,392 INFO L78 Accepts]: Start accepts. Automaton has 360 states and 412 transitions. Word has length 68 [2018-04-11 13:42:22,392 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 13:42:22,392 INFO L459 AbstractCegarLoop]: Abstraction has 360 states and 412 transitions. [2018-04-11 13:42:22,392 INFO L460 AbstractCegarLoop]: Interpolant automaton has 25 states. [2018-04-11 13:42:22,392 INFO L276 IsEmpty]: Start isEmpty. Operand 360 states and 412 transitions. [2018-04-11 13:42:22,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2018-04-11 13:42:22,392 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 13:42:22,392 INFO L355 BasicCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 13:42:22,392 INFO L408 AbstractCegarLoop]: === Iteration 55 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr29AssertViolationMEMORY_FREE, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr30AssertViolationMEMORY_FREE, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr32EnsuresViolationMEMORY_LEAK, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr31AssertViolationMEMORY_FREE, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr28AssertViolationMEMORY_FREE, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation]=== [2018-04-11 13:42:22,393 INFO L82 PathProgramCache]: Analyzing trace with hash 372571431, now seen corresponding path program 4 times [2018-04-11 13:42:22,393 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 13:42:22,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 13:42:22,402 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 13:42:22,955 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-04-11 13:42:22,956 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-11 13:42:22,956 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [28] total 28 [2018-04-11 13:42:22,956 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 13:42:22,956 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 13:42:22,956 INFO L182 omatonBuilderFactory]: Interpolants [31040#(and (= 1 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4)))) (= 0 main_~a~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (not (= main_~p~0.base main_~a~0.base))), 31041#(and (= 1 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4)))) (= 0 main_~a~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (not (= main_~p~0.base main_~a~0.base)) (not (= (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)) |main_#t~malloc9.base|))), 31042#(and (not (= (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)) main_~t~0.base)) (= 1 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4)))) (= 0 main_~a~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (not (= main_~p~0.base main_~a~0.base))), 31043#(and (= 1 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4)))) (= 0 main_~a~0.offset) (not (= (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)) (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4)))), 31044#(and (= 1 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4)))) (= 0 main_~a~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (not (= (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)) |main_#t~mem10.base|))), 31045#(and (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= 0 main_~a~0.offset) (= 1 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4)))), 31046#(and (= 1 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4)))) (= 0 main_~a~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4)))), 31047#(and (= main_~p~0.offset 0) (= 1 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4)))), 31048#(and (= 0 |main_#t~mem13.offset|) (= 1 (select (select |#memory_int| |main_#t~mem13.base|) |main_#t~mem13.offset|))), 31049#(and (= main_~p~0.offset 0) (= 1 (select (select |#memory_int| main_~p~0.base) main_~p~0.offset))), 31050#(and (= |main_#t~mem11| (select (select |#memory_int| main_~p~0.base) main_~p~0.offset)) (= main_~p~0.offset 0) (= 1 (select (select |#memory_int| main_~p~0.base) main_~p~0.offset))), 31023#true, 31024#false, 31025#(= 0 |main_#t~malloc0.offset|), 31026#(= 0 main_~a~0.offset), 31027#(and (= 0 main_~a~0.offset) (= main_~p~0.offset 0) (= main_~p~0.base main_~a~0.base)), 31028#(and (= 0 main_~a~0.offset) (= main_~p~0.offset 0) (= (select |#valid| main_~p~0.base) 1) (= main_~p~0.base main_~a~0.base)), 31029#(and (= (select |#valid| |main_#t~malloc4.base|) 1) (= 0 main_~a~0.offset) (= main_~p~0.offset 0) (not (= main_~p~0.base |main_#t~malloc4.base|)) (= main_~p~0.base main_~a~0.base) (= 0 |main_#t~malloc4.offset|)), 31030#(and (= 0 main_~a~0.offset) (= main_~p~0.offset 0) (not (= main_~p~0.base main_~t~0.base)) (= main_~p~0.base main_~a~0.base) (= main_~t~0.offset 0) (= (select |#valid| main_~t~0.base) 1)), 31031#(and (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) 1) (= 0 main_~a~0.offset) (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= main_~p~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4))) (= (select |#valid| main_~p~0.base) 1) (= main_~p~0.base main_~a~0.base)), 31032#(and (not (= main_~a~0.base |main_#t~mem5.base|)) (= (select |#valid| main_~a~0.base) 1) (= 0 main_~a~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= |main_#t~mem5.offset| (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)) |main_#t~mem5.base|) (= (select |#valid| |main_#t~mem5.base|) 1)), 31033#(and (= (select |#valid| main_~a~0.base) 1) (= 0 main_~a~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~p~0.offset (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (= (select |#valid| main_~p~0.base) 1) (not (= main_~p~0.base main_~a~0.base))), 31034#(and (= (select |#valid| main_~a~0.base) 1) (= 0 main_~a~0.offset) (= 1 (select (select |#memory_int| main_~p~0.base) (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (= (select |#valid| main_~p~0.base) 1) (not (= main_~p~0.base main_~a~0.base))), 31035#(and (not (= main_~a~0.base |main_#t~malloc4.base|)) (= 0 main_~a~0.offset) (= 1 (select (select |#memory_int| main_~p~0.base) (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (not (= main_~p~0.base |main_#t~malloc4.base|)) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (not (= main_~p~0.base main_~a~0.base))), 31036#(and (= 0 main_~a~0.offset) (= 1 (select (select |#memory_int| main_~p~0.base) (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (not (= main_~p~0.base main_~t~0.base)) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (not (= main_~p~0.base main_~a~0.base)) (not (= main_~a~0.base main_~t~0.base))), 31037#(and (not (= main_~a~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= 0 main_~a~0.offset) (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= 1 (select (select |#memory_int| main_~p~0.base) (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= 1 (select |#valid| main_~p~0.base)) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))), 31038#(and (not (= main_~a~0.base |main_#t~mem5.base|)) (= 1 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4)))) (= 0 main_~a~0.offset) (not (= (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)) |main_#t~mem5.base|)) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))))), 31039#(and (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= 1 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4)))) (= 0 main_~a~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (not (= main_~p~0.base main_~a~0.base)))] [2018-04-11 13:42:22,956 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-04-11 13:42:22,957 INFO L442 AbstractCegarLoop]: Interpolant automaton has 28 states [2018-04-11 13:42:22,957 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2018-04-11 13:42:22,957 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=96, Invalid=660, Unknown=0, NotChecked=0, Total=756 [2018-04-11 13:42:22,957 INFO L87 Difference]: Start difference. First operand 360 states and 412 transitions. Second operand 28 states. [2018-04-11 13:42:24,122 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 13:42:24,123 INFO L93 Difference]: Finished difference Result 460 states and 516 transitions. [2018-04-11 13:42:24,123 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2018-04-11 13:42:24,123 INFO L78 Accepts]: Start accepts. Automaton has 28 states. Word has length 68 [2018-04-11 13:42:24,123 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 13:42:24,124 INFO L225 Difference]: With dead ends: 460 [2018-04-11 13:42:24,124 INFO L226 Difference]: Without dead ends: 460 [2018-04-11 13:42:24,124 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 52 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 515 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=425, Invalid=2437, Unknown=0, NotChecked=0, Total=2862 [2018-04-11 13:42:24,124 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 460 states. [2018-04-11 13:42:24,126 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 460 to 370. [2018-04-11 13:42:24,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 370 states. [2018-04-11 13:42:24,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 370 states to 370 states and 422 transitions. [2018-04-11 13:42:24,126 INFO L78 Accepts]: Start accepts. Automaton has 370 states and 422 transitions. Word has length 68 [2018-04-11 13:42:24,126 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 13:42:24,126 INFO L459 AbstractCegarLoop]: Abstraction has 370 states and 422 transitions. [2018-04-11 13:42:24,126 INFO L460 AbstractCegarLoop]: Interpolant automaton has 28 states. [2018-04-11 13:42:24,126 INFO L276 IsEmpty]: Start isEmpty. Operand 370 states and 422 transitions. [2018-04-11 13:42:24,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2018-04-11 13:42:24,127 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 13:42:24,127 INFO L355 BasicCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 13:42:24,127 INFO L408 AbstractCegarLoop]: === Iteration 56 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr29AssertViolationMEMORY_FREE, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr30AssertViolationMEMORY_FREE, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr32EnsuresViolationMEMORY_LEAK, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr31AssertViolationMEMORY_FREE, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr28AssertViolationMEMORY_FREE, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation]=== [2018-04-11 13:42:24,127 INFO L82 PathProgramCache]: Analyzing trace with hash -2022965379, now seen corresponding path program 4 times [2018-04-11 13:42:24,128 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 13:42:24,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 13:42:24,134 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 13:42:24,726 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 48 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-04-11 13:42:24,727 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-11 13:42:24,727 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [28] total 28 [2018-04-11 13:42:24,727 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 13:42:24,727 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 13:42:24,728 INFO L182 omatonBuilderFactory]: Interpolants [31936#(= 0 main_~a~0.offset), 31937#(and (= 0 main_~a~0.offset) (= main_~p~0.offset 0) (= main_~p~0.base main_~a~0.base)), 31938#(and (= 0 main_~a~0.offset) (= main_~p~0.offset 0) (= (select |#valid| main_~p~0.base) 1) (= main_~p~0.base main_~a~0.base)), 31939#(and (= (select |#valid| |main_#t~malloc4.base|) 1) (= 0 main_~a~0.offset) (= main_~p~0.offset 0) (not (= main_~p~0.base |main_#t~malloc4.base|)) (= main_~p~0.base main_~a~0.base) (= 0 |main_#t~malloc4.offset|)), 31940#(and (= 0 main_~a~0.offset) (= main_~p~0.offset 0) (not (= main_~p~0.base main_~t~0.base)) (= main_~p~0.base main_~a~0.base) (= main_~t~0.offset 0) (= (select |#valid| main_~t~0.base) 1)), 31941#(and (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) 1) (= 0 main_~a~0.offset) (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= main_~p~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4))) (= (select |#valid| main_~p~0.base) 1) (= main_~p~0.base main_~a~0.base)), 31942#(and (not (= main_~a~0.base |main_#t~mem5.base|)) (= (select |#valid| main_~a~0.base) 1) (= 0 main_~a~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= |main_#t~mem5.offset| (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)) |main_#t~mem5.base|) (= (select |#valid| |main_#t~mem5.base|) 1)), 31943#(and (= (select |#valid| main_~a~0.base) 1) (= 0 main_~a~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~p~0.offset (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (= (select |#valid| main_~p~0.base) 1) (not (= main_~p~0.base main_~a~0.base))), 31944#(and (= (select |#valid| main_~a~0.base) 1) (= 0 main_~a~0.offset) (= 1 (select (select |#memory_int| main_~p~0.base) (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (= (select |#valid| main_~p~0.base) 1) (not (= main_~p~0.base main_~a~0.base))), 31945#(and (not (= main_~a~0.base |main_#t~malloc4.base|)) (= 0 main_~a~0.offset) (= 1 (select (select |#memory_int| main_~p~0.base) (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (not (= main_~p~0.base |main_#t~malloc4.base|)) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (not (= main_~p~0.base main_~a~0.base))), 31946#(and (= 0 main_~a~0.offset) (= 1 (select (select |#memory_int| main_~p~0.base) (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (not (= main_~p~0.base main_~t~0.base)) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (not (= main_~p~0.base main_~a~0.base)) (not (= main_~a~0.base main_~t~0.base))), 31947#(and (not (= main_~a~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= 0 main_~a~0.offset) (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= 1 (select (select |#memory_int| main_~p~0.base) (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= 1 (select |#valid| main_~p~0.base)) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))), 31948#(and (not (= main_~a~0.base |main_#t~mem5.base|)) (= 1 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4)))) (= 0 main_~a~0.offset) (not (= (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)) |main_#t~mem5.base|)) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))))), 31949#(and (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= 1 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4)))) (= 0 main_~a~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (not (= main_~p~0.base main_~a~0.base))), 31950#(and (= 1 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4)))) (= 0 main_~a~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (not (= main_~p~0.base main_~a~0.base))), 31951#(and (not (= (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)) |main_#t~malloc4.base|)) (= 1 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4)))) (= 0 main_~a~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (not (= main_~p~0.base main_~a~0.base))), 31952#(and (not (= (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)) main_~t~0.base)) (= 1 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4)))) (= 0 main_~a~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (not (= main_~p~0.base main_~a~0.base))), 31953#(and (= 1 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4)))) (= 0 main_~a~0.offset) (not (= (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)) (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4)))), 31954#(and (= 1 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4)))) (= 0 main_~a~0.offset) (not (= (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)) |main_#t~mem5.base|)) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4)))), 31955#(and (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= 0 main_~a~0.offset) (= 1 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4)))), 31956#(and (= 1 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4)))) (= 0 main_~a~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4)))), 31957#(and (= main_~p~0.offset 0) (= 1 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4)))), 31958#(and (= 0 |main_#t~mem13.offset|) (= 1 (select (select |#memory_int| |main_#t~mem13.base|) |main_#t~mem13.offset|))), 31959#(and (= main_~p~0.offset 0) (= 1 (select (select |#memory_int| main_~p~0.base) main_~p~0.offset))), 31960#(and (= |main_#t~mem11| (select (select |#memory_int| main_~p~0.base) main_~p~0.offset)) (= main_~p~0.offset 0) (= 1 (select (select |#memory_int| main_~p~0.base) main_~p~0.offset))), 31933#true, 31934#false, 31935#(= 0 |main_#t~malloc0.offset|)] [2018-04-11 13:42:24,728 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 48 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-04-11 13:42:24,728 INFO L442 AbstractCegarLoop]: Interpolant automaton has 28 states [2018-04-11 13:42:24,728 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2018-04-11 13:42:24,728 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=98, Invalid=658, Unknown=0, NotChecked=0, Total=756 [2018-04-11 13:42:24,728 INFO L87 Difference]: Start difference. First operand 370 states and 422 transitions. Second operand 28 states. [2018-04-11 13:42:26,110 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 13:42:26,110 INFO L93 Difference]: Finished difference Result 457 states and 512 transitions. [2018-04-11 13:42:26,110 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2018-04-11 13:42:26,110 INFO L78 Accepts]: Start accepts. Automaton has 28 states. Word has length 68 [2018-04-11 13:42:26,110 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 13:42:26,112 INFO L225 Difference]: With dead ends: 457 [2018-04-11 13:42:26,112 INFO L226 Difference]: Without dead ends: 457 [2018-04-11 13:42:26,112 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 509 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=417, Invalid=2339, Unknown=0, NotChecked=0, Total=2756 [2018-04-11 13:42:26,112 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 457 states. [2018-04-11 13:42:26,115 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 457 to 357. [2018-04-11 13:42:26,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 357 states. [2018-04-11 13:42:26,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 357 states to 357 states and 408 transitions. [2018-04-11 13:42:26,115 INFO L78 Accepts]: Start accepts. Automaton has 357 states and 408 transitions. Word has length 68 [2018-04-11 13:42:26,115 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 13:42:26,115 INFO L459 AbstractCegarLoop]: Abstraction has 357 states and 408 transitions. [2018-04-11 13:42:26,116 INFO L460 AbstractCegarLoop]: Interpolant automaton has 28 states. [2018-04-11 13:42:26,116 INFO L276 IsEmpty]: Start isEmpty. Operand 357 states and 408 transitions. [2018-04-11 13:42:26,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2018-04-11 13:42:26,116 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 13:42:26,116 INFO L355 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 13:42:26,116 INFO L408 AbstractCegarLoop]: === Iteration 57 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr29AssertViolationMEMORY_FREE, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr30AssertViolationMEMORY_FREE, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr32EnsuresViolationMEMORY_LEAK, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr31AssertViolationMEMORY_FREE, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr28AssertViolationMEMORY_FREE, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation]=== [2018-04-11 13:42:26,116 INFO L82 PathProgramCache]: Analyzing trace with hash -1375537741, now seen corresponding path program 2 times [2018-04-11 13:42:26,117 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 13:42:26,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 13:42:26,123 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 13:42:26,143 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-04-11 13:42:26,144 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-11 13:42:26,144 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2018-04-11 13:42:26,144 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 13:42:26,144 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 13:42:26,144 INFO L182 omatonBuilderFactory]: Interpolants [32825#true, 32826#false, 32827#(and (= main_~y~0 0) (= main_~i~0 0)), 32828#(and (<= main_~y~0 1) (= main_~i~0 0)), 32829#(and (<= main_~y~0 2) (= main_~i~0 0))] [2018-04-11 13:42:26,144 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-04-11 13:42:26,144 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-04-11 13:42:26,144 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-04-11 13:42:26,145 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2018-04-11 13:42:26,145 INFO L87 Difference]: Start difference. First operand 357 states and 408 transitions. Second operand 5 states. [2018-04-11 13:42:26,159 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 13:42:26,159 INFO L93 Difference]: Finished difference Result 390 states and 440 transitions. [2018-04-11 13:42:26,160 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-04-11 13:42:26,172 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 69 [2018-04-11 13:42:26,172 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 13:42:26,173 INFO L225 Difference]: With dead ends: 390 [2018-04-11 13:42:26,173 INFO L226 Difference]: Without dead ends: 370 [2018-04-11 13:42:26,173 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2018-04-11 13:42:26,173 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 370 states. [2018-04-11 13:42:26,175 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 370 to 360. [2018-04-11 13:42:26,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 360 states. [2018-04-11 13:42:26,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 360 states to 360 states and 414 transitions. [2018-04-11 13:42:26,175 INFO L78 Accepts]: Start accepts. Automaton has 360 states and 414 transitions. Word has length 69 [2018-04-11 13:42:26,175 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 13:42:26,175 INFO L459 AbstractCegarLoop]: Abstraction has 360 states and 414 transitions. [2018-04-11 13:42:26,175 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-04-11 13:42:26,175 INFO L276 IsEmpty]: Start isEmpty. Operand 360 states and 414 transitions. [2018-04-11 13:42:26,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2018-04-11 13:42:26,176 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 13:42:26,176 INFO L355 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 13:42:26,176 INFO L408 AbstractCegarLoop]: === Iteration 58 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr29AssertViolationMEMORY_FREE, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr30AssertViolationMEMORY_FREE, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr32EnsuresViolationMEMORY_LEAK, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr31AssertViolationMEMORY_FREE, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr28AssertViolationMEMORY_FREE, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation]=== [2018-04-11 13:42:26,176 INFO L82 PathProgramCache]: Analyzing trace with hash -1413136518, now seen corresponding path program 1 times [2018-04-11 13:42:26,177 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 13:42:26,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 13:42:26,182 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 13:42:26,198 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-04-11 13:42:26,198 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-11 13:42:26,198 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2018-04-11 13:42:26,198 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 13:42:26,198 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:42:26,198 INFO L182 omatonBuilderFactory]: Interpolants [33584#(<= (+ main_~i~0 main_~y~0) 2), 33580#true, 33581#false, 33582#(and (= main_~y~0 0) (= main_~i~0 0)), 33583#(and (= main_~y~0 0) (<= main_~i~0 1))] [2018-04-11 13:42:26,198 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-04-11 13:42:26,199 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-04-11 13:42:26,199 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-04-11 13:42:26,199 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2018-04-11 13:42:26,199 INFO L87 Difference]: Start difference. First operand 360 states and 414 transitions. Second operand 5 states. [2018-04-11 13:42:26,216 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 13:42:26,216 INFO L93 Difference]: Finished difference Result 388 states and 441 transitions. [2018-04-11 13:42:26,216 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-04-11 13:42:26,216 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 69 [2018-04-11 13:42:26,216 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 13:42:26,217 INFO L225 Difference]: With dead ends: 388 [2018-04-11 13:42:26,217 INFO L226 Difference]: Without dead ends: 353 [2018-04-11 13:42:26,217 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2018-04-11 13:42:26,217 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 353 states. [2018-04-11 13:42:26,219 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 353 to 325. [2018-04-11 13:42:26,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 325 states. [2018-04-11 13:42:26,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 325 states to 325 states and 381 transitions. [2018-04-11 13:42:26,219 INFO L78 Accepts]: Start accepts. Automaton has 325 states and 381 transitions. Word has length 69 [2018-04-11 13:42:26,220 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 13:42:26,220 INFO L459 AbstractCegarLoop]: Abstraction has 325 states and 381 transitions. [2018-04-11 13:42:26,220 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-04-11 13:42:26,220 INFO L276 IsEmpty]: Start isEmpty. Operand 325 states and 381 transitions. [2018-04-11 13:42:26,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2018-04-11 13:42:26,220 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 13:42:26,220 INFO L355 BasicCegarLoop]: trace histogram [4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 13:42:26,220 INFO L408 AbstractCegarLoop]: === Iteration 59 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr29AssertViolationMEMORY_FREE, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr30AssertViolationMEMORY_FREE, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr32EnsuresViolationMEMORY_LEAK, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr31AssertViolationMEMORY_FREE, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr28AssertViolationMEMORY_FREE, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation]=== [2018-04-11 13:42:26,220 INFO L82 PathProgramCache]: Analyzing trace with hash -679328209, now seen corresponding path program 7 times [2018-04-11 13:42:26,221 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 13:42:26,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 13:42:26,228 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 13:42:26,785 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 10 proven. 34 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:42:26,785 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-11 13:42:26,785 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [30] total 30 [2018-04-11 13:42:26,785 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 13:42:26,785 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 13:42:26,785 INFO L182 omatonBuilderFactory]: Interpolants [34304#(and (= (select |#valid| |main_#t~malloc4.base|) 1) (= 0 main_~a~0.offset) (= main_~p~0.offset 0) (not (= main_~p~0.base |main_#t~malloc4.base|)) (= main_~p~0.base main_~a~0.base) (= 0 |main_#t~malloc4.offset|)), 34305#(and (= 0 main_~a~0.offset) (= 0 main_~t~0.offset) (= main_~p~0.offset 0) (not (= main_~p~0.base main_~t~0.base)) (= main_~p~0.base main_~a~0.base) (= (select |#valid| main_~t~0.base) 1)), 34306#(and (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) 1) (= 0 main_~a~0.offset) (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= main_~p~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4))) (= (select |#valid| main_~p~0.base) 1) (= main_~p~0.base main_~a~0.base)), 34307#(and (not (= main_~a~0.base |main_#t~mem5.base|)) (= (select |#valid| main_~a~0.base) 1) (= 0 main_~a~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)) |main_#t~mem5.base|) (= (select |#valid| |main_#t~mem5.base|) 1) (= 0 |main_#t~mem5.offset|)), 34308#(and (= (select |#valid| main_~a~0.base) 1) (= 0 main_~a~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= 0 main_~p~0.offset) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (= (select |#valid| main_~p~0.base) 1) (not (= main_~p~0.base main_~a~0.base))), 34309#(and (= (select |#valid| |main_#t~malloc4.base|) 1) (not (= main_~a~0.base |main_#t~malloc4.base|)) (= 0 main_~a~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (not (= main_~p~0.base |main_#t~malloc4.base|)) (= 0 main_~p~0.offset) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (not (= main_~p~0.base main_~a~0.base)) (= 0 |main_#t~malloc4.offset|)), 34310#(and (= 0 main_~a~0.offset) (= 0 main_~t~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (not (= main_~p~0.base main_~t~0.base)) (= 0 main_~p~0.offset) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (not (= main_~p~0.base main_~a~0.base)) (not (= main_~a~0.base main_~t~0.base)) (= (select |#valid| main_~t~0.base) 1)), 34311#(and (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) 1) (not (= main_~a~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= 0 main_~a~0.offset) (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~p~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4))) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))), 34312#(and (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4)) |main_#t~mem5.base|) (not (= main_~a~0.base |main_#t~mem5.base|)) (= 0 main_~a~0.offset) (not (= (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)) |main_#t~mem5.base|)) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (= (select |#valid| |main_#t~mem5.base|) 1) (= 0 |main_#t~mem5.offset|)), 34313#(and (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= 0 main_~a~0.offset) (= main_~p~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~p~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (= (select |#valid| main_~p~0.base) 1) (not (= main_~p~0.base main_~a~0.base))), 34314#(and (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= 0 main_~a~0.offset) (= main_~p~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (= (select |#valid| main_~p~0.base) 1) (not (= main_~p~0.base main_~a~0.base)) (= (select (select |#memory_int| main_~p~0.base) 0) 2)), 34315#(and (not (= main_~p~0.base |main_#t~malloc9.base|)) (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= 0 main_~a~0.offset) (= main_~p~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (not (= main_~p~0.base main_~a~0.base)) (= (select (select |#memory_int| main_~p~0.base) 0) 2)), 34316#(and (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= 0 main_~a~0.offset) (= main_~p~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (not (= main_~p~0.base main_~t~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (not (= main_~p~0.base main_~a~0.base)) (= (select (select |#memory_int| main_~p~0.base) 0) 2)), 34317#(and (= 0 main_~a~0.offset) (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= main_~p~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (= (select (select |#memory_int| main_~p~0.base) 0) 2)), 34318#(and (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4)) |main_#t~mem10.base|)) (= 0 main_~a~0.offset) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) 0) 2) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4)))), 34319#(and (= 0 main_~a~0.offset) (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4)))) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) 0) 2) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4)))), 34320#(and (= 0 main_~a~0.offset) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) 0) 2) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4)))), 34321#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4))) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) (+ 0 4))) 0) 2) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) (+ 0 4)))), 34322#(and (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |main_#t~mem13.base|) (+ 0 4))) 0) 2) (= 0 |main_#t~mem13.offset|) (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem13.base|) (+ 0 4)))), 34323#(or (<= (+ main_~p~0.offset 1) 0) (and (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) 0) 2) (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4))))), 34324#(and (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) 0) 2) (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4)))), 34325#(and (= (select (select |#memory_int| |main_#t~mem13.base|) 0) 2) (= 0 |main_#t~mem13.offset|)), 34326#(and (= main_~p~0.offset 0) (= (select (select |#memory_int| main_~p~0.base) main_~p~0.offset) 2)), 34327#(and (= |main_#t~mem11| 2) (= main_~p~0.offset 0)), 34298#true, 34299#false, 34300#(= 0 |main_#t~malloc0.offset|), 34301#(= 0 main_~a~0.offset), 34302#(and (= 0 main_~a~0.offset) (= main_~p~0.offset 0) (= main_~p~0.base main_~a~0.base)), 34303#(and (= 0 main_~a~0.offset) (= main_~p~0.offset 0) (= (select |#valid| main_~p~0.base) 1) (= main_~p~0.base main_~a~0.base))] [2018-04-11 13:42:26,786 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 10 proven. 34 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:42:26,786 INFO L442 AbstractCegarLoop]: Interpolant automaton has 30 states [2018-04-11 13:42:26,786 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2018-04-11 13:42:26,786 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=88, Invalid=782, Unknown=0, NotChecked=0, Total=870 [2018-04-11 13:42:26,786 INFO L87 Difference]: Start difference. First operand 325 states and 381 transitions. Second operand 30 states. [2018-04-11 13:42:28,520 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 13:42:28,520 INFO L93 Difference]: Finished difference Result 405 states and 461 transitions. [2018-04-11 13:42:28,520 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2018-04-11 13:42:28,521 INFO L78 Accepts]: Start accepts. Automaton has 30 states. Word has length 70 [2018-04-11 13:42:28,521 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 13:42:28,521 INFO L225 Difference]: With dead ends: 405 [2018-04-11 13:42:28,521 INFO L226 Difference]: Without dead ends: 405 [2018-04-11 13:42:28,522 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 57 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 645 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=402, Invalid=3020, Unknown=0, NotChecked=0, Total=3422 [2018-04-11 13:42:28,522 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 405 states. [2018-04-11 13:42:28,523 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 405 to 340. [2018-04-11 13:42:28,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 340 states. [2018-04-11 13:42:28,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 340 states to 340 states and 396 transitions. [2018-04-11 13:42:28,524 INFO L78 Accepts]: Start accepts. Automaton has 340 states and 396 transitions. Word has length 70 [2018-04-11 13:42:28,524 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 13:42:28,524 INFO L459 AbstractCegarLoop]: Abstraction has 340 states and 396 transitions. [2018-04-11 13:42:28,524 INFO L460 AbstractCegarLoop]: Interpolant automaton has 30 states. [2018-04-11 13:42:28,524 INFO L276 IsEmpty]: Start isEmpty. Operand 340 states and 396 transitions. [2018-04-11 13:42:28,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2018-04-11 13:42:28,525 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 13:42:28,525 INFO L355 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 13:42:28,525 INFO L408 AbstractCegarLoop]: === Iteration 60 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr29AssertViolationMEMORY_FREE, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr30AssertViolationMEMORY_FREE, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr32EnsuresViolationMEMORY_LEAK, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr31AssertViolationMEMORY_FREE, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr28AssertViolationMEMORY_FREE, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation]=== [2018-04-11 13:42:28,525 INFO L82 PathProgramCache]: Analyzing trace with hash -687731963, now seen corresponding path program 5 times [2018-04-11 13:42:28,525 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 13:42:28,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 13:42:28,532 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 13:42:29,186 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:42:29,186 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-11 13:42:29,186 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [28] total 28 [2018-04-11 13:42:29,186 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 13:42:29,186 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 13:42:29,187 INFO L182 omatonBuilderFactory]: Interpolants [35136#(and (= 0 main_~a~0.offset) (= main_~p~0.offset 0) (= (select |#valid| main_~p~0.base) 1) (= main_~p~0.base main_~a~0.base)), 35137#(and (= (select |#valid| |main_#t~malloc4.base|) 1) (= 0 main_~a~0.offset) (= main_~p~0.offset 0) (not (= main_~p~0.base |main_#t~malloc4.base|)) (= main_~p~0.base main_~a~0.base) (= 0 |main_#t~malloc4.offset|)), 35138#(and (= 0 main_~a~0.offset) (= 0 main_~t~0.offset) (= main_~p~0.offset 0) (not (= main_~p~0.base main_~t~0.base)) (= main_~p~0.base main_~a~0.base) (= (select |#valid| main_~t~0.base) 1)), 35139#(and (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) 1) (= 0 main_~a~0.offset) (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= main_~p~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4))) (= (select |#valid| main_~p~0.base) 1) (= main_~p~0.base main_~a~0.base)), 35140#(and (not (= main_~a~0.base |main_#t~mem5.base|)) (= (select |#valid| main_~a~0.base) 1) (= 0 main_~a~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)) |main_#t~mem5.base|) (= (select |#valid| |main_#t~mem5.base|) 1) (= 0 |main_#t~mem5.offset|)), 35141#(and (= (select |#valid| main_~a~0.base) 1) (= 0 main_~a~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (not (= main_~p~0.base main_~a~0.base)) (or (<= (+ main_~p~0.offset 1) 0) (and (= main_~p~0.offset 0) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (= (select |#valid| main_~p~0.base) 1)))), 35142#(and (= (select |#valid| main_~a~0.base) 1) (= 0 main_~a~0.offset) (= main_~p~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (= (select |#valid| main_~p~0.base) 1) (not (= main_~p~0.base main_~a~0.base))), 35143#(and (not (= main_~a~0.base |main_#t~malloc4.base|)) (= 0 main_~a~0.offset) (= main_~p~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (not (= main_~p~0.base |main_#t~malloc4.base|)) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (not (= main_~p~0.base main_~a~0.base)) (= 0 |main_#t~malloc4.offset|)), 35144#(and (= 0 main_~a~0.offset) (= 0 main_~t~0.offset) (= main_~p~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (not (= main_~p~0.base main_~t~0.base)) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (not (= main_~p~0.base main_~a~0.base)) (not (= main_~a~0.base main_~t~0.base))), 35145#(and (not (= main_~a~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= 0 main_~a~0.offset) (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= main_~p~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4))) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))), 35146#(and (not (= main_~a~0.base |main_#t~mem5.base|)) (= 0 main_~a~0.offset) (not (= (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)) |main_#t~mem5.base|)) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= |main_#t~mem5.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (= 0 |main_#t~mem5.offset|)), 35147#(and (= 0 main_~a~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (or (<= (+ main_~p~0.offset 1) 0) (and (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= main_~p~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (= main_~p~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))))) (not (= main_~p~0.base main_~a~0.base))), 35148#(and (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= 0 main_~a~0.offset) (= main_~p~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (= main_~p~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (not (= main_~p~0.base main_~a~0.base))), 35149#(and (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= 0 main_~a~0.offset) (= main_~p~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (= 1 (select |#valid| |main_#t~malloc4.base|)) (= main_~p~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (not (= main_~p~0.base main_~a~0.base))), 35150#(and (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= 0 main_~a~0.offset) (= main_~p~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (= main_~p~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (not (= main_~p~0.base main_~a~0.base)) (= 1 (select |#valid| main_~t~0.base))), 35151#(and (= 0 main_~a~0.offset) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (+ 0 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4)))), 35152#(and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) (+ 0 4))) (+ 0 4)))) (= main_~p~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) (+ 0 4)))), 35153#(and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_#t~mem13.base|) (+ 0 4))) (+ 0 4)))) (= 0 |main_#t~mem13.offset|) (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem13.base|) (+ 0 4)))), 35154#(and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) (+ 0 4)))) (= main_~p~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4)))), 35155#(and (= 0 |main_#t~mem13.offset|) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| |main_#t~mem13.base|) (+ 0 4))))), 35156#(or (<= (+ main_~p~0.offset 1) 0) (and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= main_~p~0.offset 0))), 35157#(and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= main_~p~0.offset 0)), 35158#(= 1 (select |#valid| |main_#t~mem13.base|)), 35159#(= 1 (select |#valid| main_~p~0.base)), 35131#true, 35132#false, 35133#(= 0 |main_#t~malloc0.offset|), 35134#(= 0 main_~a~0.offset), 35135#(and (= 0 main_~a~0.offset) (= main_~p~0.offset 0) (= main_~p~0.base main_~a~0.base))] [2018-04-11 13:42:29,187 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:42:29,187 INFO L442 AbstractCegarLoop]: Interpolant automaton has 29 states [2018-04-11 13:42:29,187 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2018-04-11 13:42:29,187 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=89, Invalid=723, Unknown=0, NotChecked=0, Total=812 [2018-04-11 13:42:29,187 INFO L87 Difference]: Start difference. First operand 340 states and 396 transitions. Second operand 29 states. [2018-04-11 13:42:30,609 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 13:42:30,609 INFO L93 Difference]: Finished difference Result 406 states and 463 transitions. [2018-04-11 13:42:30,609 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2018-04-11 13:42:30,609 INFO L78 Accepts]: Start accepts. Automaton has 29 states. Word has length 70 [2018-04-11 13:42:30,609 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 13:42:30,610 INFO L225 Difference]: With dead ends: 406 [2018-04-11 13:42:30,610 INFO L226 Difference]: Without dead ends: 406 [2018-04-11 13:42:30,611 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 56 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 729 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=439, Invalid=2867, Unknown=0, NotChecked=0, Total=3306 [2018-04-11 13:42:30,611 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 406 states. [2018-04-11 13:42:30,612 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 406 to 343. [2018-04-11 13:42:30,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 343 states. [2018-04-11 13:42:30,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 343 states to 343 states and 400 transitions. [2018-04-11 13:42:30,613 INFO L78 Accepts]: Start accepts. Automaton has 343 states and 400 transitions. Word has length 70 [2018-04-11 13:42:30,613 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 13:42:30,613 INFO L459 AbstractCegarLoop]: Abstraction has 343 states and 400 transitions. [2018-04-11 13:42:30,613 INFO L460 AbstractCegarLoop]: Interpolant automaton has 29 states. [2018-04-11 13:42:30,613 INFO L276 IsEmpty]: Start isEmpty. Operand 343 states and 400 transitions. [2018-04-11 13:42:30,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2018-04-11 13:42:30,613 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 13:42:30,614 INFO L355 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 13:42:30,614 INFO L408 AbstractCegarLoop]: === Iteration 61 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr29AssertViolationMEMORY_FREE, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr30AssertViolationMEMORY_FREE, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr32EnsuresViolationMEMORY_LEAK, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr31AssertViolationMEMORY_FREE, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr28AssertViolationMEMORY_FREE, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation]=== [2018-04-11 13:42:30,614 INFO L82 PathProgramCache]: Analyzing trace with hash -687731962, now seen corresponding path program 3 times [2018-04-11 13:42:30,614 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 13:42:30,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 13:42:30,623 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 13:42:31,485 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:42:31,485 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-11 13:42:31,485 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [29] total 29 [2018-04-11 13:42:31,485 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 13:42:31,485 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 13:42:31,485 INFO L182 omatonBuilderFactory]: Interpolants [35968#false, 35969#(= 0 |main_#t~malloc0.offset|), 35970#(= 0 main_~a~0.offset), 35971#(and (= 0 main_~a~0.offset) (= main_~p~0.offset 0) (= main_~p~0.base main_~a~0.base)), 35972#(and (= 0 main_~a~0.offset) (= main_~p~0.offset 0) (= (select |#valid| main_~p~0.base) 1) (= main_~p~0.base main_~a~0.base)), 35973#(and (= 0 main_~a~0.offset) (= 1 (select |#valid| |main_#t~malloc4.base|)) (= main_~p~0.offset 0) (not (= main_~p~0.base |main_#t~malloc4.base|)) (= main_~p~0.base main_~a~0.base) (= 0 |main_#t~malloc4.offset|)), 35974#(and (= 0 main_~a~0.offset) (= main_~p~0.offset 0) (not (= main_~p~0.base main_~t~0.base)) (= main_~p~0.base main_~a~0.base) (= 1 (select |#valid| main_~t~0.base)) (= main_~t~0.offset 0)), 35975#(and (= 0 main_~a~0.offset) (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= main_~p~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4))) (= (select |#valid| main_~p~0.base) 1) (= main_~p~0.base main_~a~0.base)), 35976#(and (not (= main_~a~0.base |main_#t~mem5.base|)) (= 1 (select |#valid| |main_#t~mem5.base|)) (= (select |#valid| main_~a~0.base) 1) (= 0 main_~a~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)) |main_#t~mem5.base|) (= 0 |main_#t~mem5.offset|)), 35977#(and (= (select |#valid| main_~a~0.base) 1) (= 0 main_~a~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (or (<= (+ main_~p~0.offset 1) 0) (and (= main_~p~0.offset 0) (= 1 (select |#valid| main_~p~0.base)) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))))) (not (= main_~p~0.base main_~a~0.base))), 35978#(and (= (select |#valid| main_~a~0.base) 1) (= 0 main_~a~0.offset) (= main_~p~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= 1 (select |#valid| main_~p~0.base)) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (not (= main_~p~0.base main_~a~0.base))), 35979#(and (not (= main_~a~0.base |main_#t~malloc4.base|)) (= 0 main_~a~0.offset) (= main_~p~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (not (= main_~p~0.base |main_#t~malloc4.base|)) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (not (= main_~p~0.base main_~a~0.base)) (= 0 |main_#t~malloc4.offset|)), 35980#(and (= 0 main_~a~0.offset) (= 0 main_~t~0.offset) (= main_~p~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (not (= main_~p~0.base main_~t~0.base)) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (not (= main_~p~0.base main_~a~0.base)) (not (= main_~a~0.base main_~t~0.base))), 35981#(and (not (= main_~a~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= 0 main_~a~0.offset) (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~p~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4))) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))), 35982#(and (not (= main_~a~0.base |main_#t~mem5.base|)) (= 0 main_~a~0.offset) (not (= (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)) |main_#t~mem5.base|)) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= |main_#t~mem5.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (= 0 |main_#t~mem5.offset|)), 35983#(and (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= 0 main_~a~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (not (= main_~p~0.base main_~a~0.base)) (or (and (= main_~p~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (= main_~p~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4)))) (<= (+ main_~p~0.offset 1) 0))), 35984#(and (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= 0 main_~a~0.offset) (= main_~p~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (= main_~p~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (not (= main_~p~0.base main_~a~0.base))), 35985#(and (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= 0 main_~a~0.offset) (= main_~p~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (= main_~p~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (not (= main_~p~0.base main_~a~0.base)) (= 0 |main_#t~malloc4.offset|) (= 8 (select |#length| |main_#t~malloc4.base|))), 35986#(and (= 8 (select |#length| main_~t~0.base)) (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= 0 main_~a~0.offset) (= main_~p~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= 0 main_~t~0.offset) (= main_~p~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (not (= main_~p~0.base main_~a~0.base))), 35987#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (+ 0 4))) (= 0 main_~a~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (+ 0 4))))), 35988#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) (+ 0 4))) (+ 0 4)))) (= main_~p~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) (+ 0 4))) (+ 0 4))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) (+ 0 4)))), 35989#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_#t~mem13.base|) (+ 0 4))) (+ 0 4)))) (= 0 |main_#t~mem13.offset|) (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem13.base|) (+ 0 4))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |main_#t~mem13.base|) (+ 0 4))) (+ 0 4)))), 35990#(or (and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) (+ 0 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) (+ 0 4)))) (<= (+ main_~p~0.offset 1) 0)), 35991#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) (+ 0 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) (+ 0 4)))), 35992#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| |main_#t~mem13.base|) (+ 0 4)))) (= 0 |main_#t~mem13.offset|) (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem13.base|) (+ 0 4)))), 35993#(or (<= (+ main_~p~0.offset 1) 0) (and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= main_~p~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4))))), 35994#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= main_~p~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4)))), 35995#(and (= 8 (select |#length| |main_#t~mem13.base|)) (= 0 |main_#t~mem13.offset|)), 35996#(and (= main_~p~0.offset 0) (= 8 (select |#length| main_~p~0.base))), 35967#true] [2018-04-11 13:42:31,485 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:42:31,486 INFO L442 AbstractCegarLoop]: Interpolant automaton has 30 states [2018-04-11 13:42:31,486 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2018-04-11 13:42:31,486 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=87, Invalid=783, Unknown=0, NotChecked=0, Total=870 [2018-04-11 13:42:31,486 INFO L87 Difference]: Start difference. First operand 343 states and 400 transitions. Second operand 30 states. [2018-04-11 13:42:32,898 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 13:42:32,898 INFO L93 Difference]: Finished difference Result 434 states and 494 transitions. [2018-04-11 13:42:32,899 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2018-04-11 13:42:32,899 INFO L78 Accepts]: Start accepts. Automaton has 30 states. Word has length 70 [2018-04-11 13:42:32,899 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 13:42:32,900 INFO L225 Difference]: With dead ends: 434 [2018-04-11 13:42:32,900 INFO L226 Difference]: Without dead ends: 434 [2018-04-11 13:42:32,900 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 53 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 649 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=348, Invalid=2622, Unknown=0, NotChecked=0, Total=2970 [2018-04-11 13:42:32,900 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 434 states. [2018-04-11 13:42:32,902 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 434 to 349. [2018-04-11 13:42:32,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 349 states. [2018-04-11 13:42:32,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 349 states to 349 states and 407 transitions. [2018-04-11 13:42:32,902 INFO L78 Accepts]: Start accepts. Automaton has 349 states and 407 transitions. Word has length 70 [2018-04-11 13:42:32,902 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 13:42:32,902 INFO L459 AbstractCegarLoop]: Abstraction has 349 states and 407 transitions. [2018-04-11 13:42:32,902 INFO L460 AbstractCegarLoop]: Interpolant automaton has 30 states. [2018-04-11 13:42:32,902 INFO L276 IsEmpty]: Start isEmpty. Operand 349 states and 407 transitions. [2018-04-11 13:42:32,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2018-04-11 13:42:32,903 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 13:42:32,903 INFO L355 BasicCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 13:42:32,903 INFO L408 AbstractCegarLoop]: === Iteration 62 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr29AssertViolationMEMORY_FREE, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr30AssertViolationMEMORY_FREE, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr32EnsuresViolationMEMORY_LEAK, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr31AssertViolationMEMORY_FREE, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr28AssertViolationMEMORY_FREE, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation]=== [2018-04-11 13:42:32,903 INFO L82 PathProgramCache]: Analyzing trace with hash 1879141889, now seen corresponding path program 8 times [2018-04-11 13:42:32,903 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 13:42:32,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 13:42:32,911 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 13:42:33,440 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 51 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:42:33,440 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-11 13:42:33,441 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [32] total 32 [2018-04-11 13:42:33,441 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 13:42:33,441 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 13:42:33,441 INFO L182 omatonBuilderFactory]: Interpolants [36830#true, 36831#false, 36832#(= |main_#t~malloc0.offset| 0), 36833#(= main_~a~0.offset 0), 36834#(and (= main_~p~0.offset 0) (= main_~a~0.offset 0) (= main_~p~0.base main_~a~0.base)), 36835#(and (= main_~p~0.offset 0) (= main_~a~0.offset 0) (= (select |#valid| main_~p~0.base) 1) (= main_~p~0.base main_~a~0.base)), 36836#(and (= main_~p~0.offset 0) (= main_~a~0.offset 0) (not (= main_~p~0.base |main_#t~malloc4.base|)) (= main_~p~0.base main_~a~0.base)), 36837#(and (= main_~p~0.offset 0) (= main_~a~0.offset 0) (not (= main_~p~0.base main_~t~0.base)) (= main_~p~0.base main_~a~0.base)), 36838#(and (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= main_~p~0.offset 0) (= main_~a~0.offset 0) (= (select |#valid| main_~p~0.base) 1) (= main_~p~0.base main_~a~0.base)), 36839#(and (not (= main_~a~0.base |main_#t~mem5.base|)) (= (select |#valid| main_~a~0.base) 1) (= main_~a~0.offset 0) (= |main_#t~mem5.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))), 36840#(and (= (select |#valid| main_~a~0.base) 1) (= main_~a~0.offset 0) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (not (= main_~p~0.base main_~a~0.base))), 36841#(and (= main_~a~0.offset 0) (not (= main_~a~0.base |main_#t~malloc9.base|)) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (not (= main_~p~0.base main_~a~0.base))), 36842#(and (= main_~a~0.offset 0) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (not (= main_~p~0.base main_~a~0.base)) (not (= main_~a~0.base main_~t~0.base))), 36843#(and (not (= main_~a~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= main_~a~0.offset 0) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (= (select |#valid| main_~p~0.base) 1)), 36844#(and (= main_~a~0.offset 0) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) 1) (not (= main_~a~0.base |main_#t~mem10.base|))), 36845#(and (= main_~a~0.offset 0) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) 1) (not (= main_~p~0.base main_~a~0.base))), 36846#(and (= main_~a~0.offset |main_#t~malloc9.offset|) (= 0 main_~a~0.offset) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= (select |#valid| |main_#t~malloc9.base|) 1) (not (= main_~p~0.base main_~a~0.base))), 36847#(and (= 0 main_~a~0.offset) (= main_~a~0.offset main_~t~0.offset) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (not (= main_~p~0.base main_~a~0.base)) (= (select |#valid| main_~t~0.base) 1)), 36848#(and (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) 1) (= 0 main_~a~0.offset) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= main_~a~0.offset (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4)))), 36849#(and (= 0 main_~a~0.offset) (= main_~a~0.offset |main_#t~mem10.offset|) (= (select |#valid| |main_#t~mem10.base|) 1) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))))), 36850#(and (= 0 main_~a~0.offset) (or (and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (not (= main_~p~0.base main_~a~0.base))) (and (= main_~p~0.offset main_~a~0.offset) (= main_~p~0.base main_~a~0.base))) (= (select |#valid| main_~p~0.base) 1)), 36851#(and (or (and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (not (= main_~p~0.base main_~a~0.base))) (and (= (select (select |#memory_int| main_~p~0.base) main_~a~0.offset) 2) (= main_~p~0.base main_~a~0.base))) (= 0 main_~a~0.offset) (= (select |#valid| main_~p~0.base) 1)), 36852#(and (not (= main_~p~0.base |main_#t~malloc9.base|)) (= 0 main_~a~0.offset) (or (and (or (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= |main_#t~malloc9.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (not (= main_~p~0.base main_~a~0.base))) (and (= (select (select |#memory_int| main_~p~0.base) main_~a~0.offset) 2) (= main_~p~0.base main_~a~0.base)))), 36853#(and (= 0 main_~a~0.offset) (or (and (= (select (select |#memory_int| main_~p~0.base) main_~a~0.offset) 2) (= main_~p~0.base main_~a~0.base)) (and (or (= main_~t~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))))) (not (= main_~p~0.base main_~a~0.base)))) (not (= main_~p~0.base main_~t~0.base))), 36854#(and (or (= (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)) (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (and (= (select (select |#memory_int| main_~p~0.base) main_~a~0.offset) 2) (= main_~p~0.base main_~a~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))))) (= 0 main_~a~0.offset) (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))))), 36855#(and (= 0 main_~a~0.offset) (or (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (and (= (select (select |#memory_int| main_~a~0.base) main_~a~0.offset) 2) (not (= main_~a~0.base |main_#t~mem10.base|))) (= |main_#t~mem10.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))))), 36856#(and (or (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (and (= (select (select |#memory_int| main_~a~0.base) main_~a~0.offset) 2) (not (= main_~p~0.base main_~a~0.base)))) (= 0 main_~a~0.offset)), 36857#(and (or (= (select (select |#memory_int| main_~a~0.base) main_~a~0.offset) 2) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))))) (= 0 main_~a~0.offset)), 36858#(and (or (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= (select (select |#memory_int| main_~p~0.base) main_~p~0.offset) 2)) (= main_~p~0.offset 0)), 36859#(and (or (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= |main_#t~mem11| 2)) (= main_~p~0.offset 0)), 36860#(and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= main_~p~0.offset 0)), 36861#(= 1 (select |#valid| |main_#t~mem13.base|)), 36862#(= 1 (select |#valid| main_~p~0.base))] [2018-04-11 13:42:33,441 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 51 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:42:33,441 INFO L442 AbstractCegarLoop]: Interpolant automaton has 33 states [2018-04-11 13:42:33,441 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2018-04-11 13:42:33,441 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=129, Invalid=927, Unknown=0, NotChecked=0, Total=1056 [2018-04-11 13:42:33,442 INFO L87 Difference]: Start difference. First operand 349 states and 407 transitions. Second operand 33 states. [2018-04-11 13:42:35,739 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 13:42:35,739 INFO L93 Difference]: Finished difference Result 451 states and 520 transitions. [2018-04-11 13:42:35,739 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2018-04-11 13:42:35,739 INFO L78 Accepts]: Start accepts. Automaton has 33 states. Word has length 71 [2018-04-11 13:42:35,739 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 13:42:35,740 INFO L225 Difference]: With dead ends: 451 [2018-04-11 13:42:35,740 INFO L226 Difference]: Without dead ends: 451 [2018-04-11 13:42:35,741 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 75 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1327 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=1001, Invalid=4851, Unknown=0, NotChecked=0, Total=5852 [2018-04-11 13:42:35,741 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 451 states. [2018-04-11 13:42:35,743 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 451 to 369. [2018-04-11 13:42:35,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 369 states. [2018-04-11 13:42:35,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 369 states to 369 states and 430 transitions. [2018-04-11 13:42:35,743 INFO L78 Accepts]: Start accepts. Automaton has 369 states and 430 transitions. Word has length 71 [2018-04-11 13:42:35,743 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 13:42:35,743 INFO L459 AbstractCegarLoop]: Abstraction has 369 states and 430 transitions. [2018-04-11 13:42:35,743 INFO L460 AbstractCegarLoop]: Interpolant automaton has 33 states. [2018-04-11 13:42:35,744 INFO L276 IsEmpty]: Start isEmpty. Operand 369 states and 430 transitions. [2018-04-11 13:42:35,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2018-04-11 13:42:35,744 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 13:42:35,744 INFO L355 BasicCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 13:42:35,744 INFO L408 AbstractCegarLoop]: === Iteration 63 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr29AssertViolationMEMORY_FREE, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr30AssertViolationMEMORY_FREE, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr32EnsuresViolationMEMORY_LEAK, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr31AssertViolationMEMORY_FREE, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr28AssertViolationMEMORY_FREE, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation]=== [2018-04-11 13:42:35,744 INFO L82 PathProgramCache]: Analyzing trace with hash 1879141890, now seen corresponding path program 5 times [2018-04-11 13:42:35,745 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 13:42:35,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 13:42:35,754 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 13:42:36,214 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 51 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:42:36,214 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-11 13:42:36,214 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [24] total 24 [2018-04-11 13:42:36,215 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 13:42:36,215 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:42:36,215 INFO L182 omatonBuilderFactory]: Interpolants [37771#true, 37772#false, 37773#(= 0 |main_#t~malloc0.offset|), 37774#(= 0 main_~a~0.offset), 37775#(and (= 0 main_~a~0.offset) (= main_~p~0.offset 0) (= main_~p~0.base main_~a~0.base)), 37776#(and (= 0 main_~a~0.offset) (= main_~p~0.offset 0) (= (select |#valid| main_~p~0.base) 1) (= main_~p~0.base main_~a~0.base)), 37777#(and (= 0 main_~a~0.offset) (= main_~p~0.offset 0) (not (= main_~p~0.base |main_#t~malloc4.base|)) (= main_~p~0.base main_~a~0.base) (= 0 |main_#t~malloc4.offset|) (= 8 (select |#length| |main_#t~malloc4.base|))), 37778#(and (= 8 (select |#length| main_~t~0.base)) (= 0 main_~a~0.offset) (= 0 main_~t~0.offset) (= main_~p~0.offset 0) (not (= main_~p~0.base main_~t~0.base)) (= main_~p~0.base main_~a~0.base)), 37779#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= 0 main_~a~0.offset) (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= main_~p~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4))) (= (select |#valid| main_~p~0.base) 1) (= main_~p~0.base main_~a~0.base)), 37780#(and (not (= main_~a~0.base |main_#t~mem5.base|)) (= (select |#valid| main_~a~0.base) 1) (= 0 main_~a~0.offset) (= 8 (select |#length| |main_#t~mem5.base|)) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= |main_#t~mem5.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))), 37781#(and (= (select |#valid| main_~a~0.base) 1) (= 0 main_~a~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (not (= main_~p~0.base main_~a~0.base)) (= 8 (select |#length| main_~p~0.base))), 37782#(and (= (select |#valid| main_~a~0.base) 1) (= 0 main_~a~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (not (= main_~a~0.base |main_#t~malloc9.base|)) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (not (= main_~p~0.base main_~a~0.base)) (= 8 (select |#length| main_~p~0.base))), 37783#(and (= (select |#valid| main_~a~0.base) 1) (= 0 main_~a~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (not (= main_~p~0.base main_~a~0.base)) (= 8 (select |#length| main_~p~0.base)) (not (= main_~a~0.base main_~t~0.base))), 37784#(and (not (= main_~a~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= 0 main_~a~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (= (select |#valid| main_~p~0.base) (select |#valid| main_~a~0.base)) (= (select |#valid| main_~p~0.base) 1) (= 8 (select |#length| main_~p~0.base))), 37785#(and (= (select |#valid| main_~a~0.base) 1) (= 0 main_~a~0.offset) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) 1) (not (= main_~a~0.base |main_#t~mem10.base|))), 37786#(and (= (select |#valid| main_~a~0.base) 1) (= 0 main_~a~0.offset) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) 1) (not (= main_~p~0.base main_~a~0.base))), 37787#(and (= 0 main_~a~0.offset) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (not (= main_~a~0.base |main_#t~malloc9.base|)) (not (= main_~p~0.base main_~a~0.base))), 37788#(and (= 0 main_~a~0.offset) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (not (= main_~p~0.base main_~a~0.base)) (not (= main_~a~0.base main_~t~0.base))), 37789#(and (not (= main_~a~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= 0 main_~a~0.offset) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4)))), 37790#(and (= 0 main_~a~0.offset) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (not (= main_~a~0.base |main_#t~mem10.base|))), 37791#(and (= 0 main_~a~0.offset) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (not (= main_~p~0.base main_~a~0.base))), 37792#(and (= 0 main_~a~0.offset) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4)))), 37793#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= main_~p~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4)))), 37794#(and (= 8 (select |#length| |main_#t~mem13.base|)) (= 0 |main_#t~mem13.offset|)), 37795#(and (= main_~p~0.offset 0) (= 8 (select |#length| main_~p~0.base)))] [2018-04-11 13:42:36,215 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 51 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:42:36,215 INFO L442 AbstractCegarLoop]: Interpolant automaton has 25 states [2018-04-11 13:42:36,215 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2018-04-11 13:42:36,215 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=97, Invalid=503, Unknown=0, NotChecked=0, Total=600 [2018-04-11 13:42:36,215 INFO L87 Difference]: Start difference. First operand 369 states and 430 transitions. Second operand 25 states. [2018-04-11 13:42:37,040 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 13:42:37,040 INFO L93 Difference]: Finished difference Result 471 states and 541 transitions. [2018-04-11 13:42:37,040 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2018-04-11 13:42:37,040 INFO L78 Accepts]: Start accepts. Automaton has 25 states. Word has length 71 [2018-04-11 13:42:37,041 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 13:42:37,041 INFO L225 Difference]: With dead ends: 471 [2018-04-11 13:42:37,042 INFO L226 Difference]: Without dead ends: 470 [2018-04-11 13:42:37,042 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 394 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=372, Invalid=1698, Unknown=0, NotChecked=0, Total=2070 [2018-04-11 13:42:37,042 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 470 states. [2018-04-11 13:42:37,045 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 470 to 384. [2018-04-11 13:42:37,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 384 states. [2018-04-11 13:42:37,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 384 states to 384 states and 446 transitions. [2018-04-11 13:42:37,046 INFO L78 Accepts]: Start accepts. Automaton has 384 states and 446 transitions. Word has length 71 [2018-04-11 13:42:37,046 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 13:42:37,046 INFO L459 AbstractCegarLoop]: Abstraction has 384 states and 446 transitions. [2018-04-11 13:42:37,046 INFO L460 AbstractCegarLoop]: Interpolant automaton has 25 states. [2018-04-11 13:42:37,046 INFO L276 IsEmpty]: Start isEmpty. Operand 384 states and 446 transitions. [2018-04-11 13:42:37,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2018-04-11 13:42:37,046 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 13:42:37,046 INFO L355 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 13:42:37,046 INFO L408 AbstractCegarLoop]: === Iteration 64 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr29AssertViolationMEMORY_FREE, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr30AssertViolationMEMORY_FREE, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr32EnsuresViolationMEMORY_LEAK, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr31AssertViolationMEMORY_FREE, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr28AssertViolationMEMORY_FREE, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation]=== [2018-04-11 13:42:37,047 INFO L82 PathProgramCache]: Analyzing trace with hash -612195881, now seen corresponding path program 9 times [2018-04-11 13:42:37,047 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 13:42:37,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 13:42:37,055 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 13:42:37,418 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:42:37,418 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-11 13:42:37,418 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [29] total 29 [2018-04-11 13:42:37,418 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 13:42:37,418 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 13:42:37,418 INFO L182 omatonBuilderFactory]: Interpolants [38720#(and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= main_~p~0.offset 0)), 38721#(= 1 (select |#valid| |main_#t~mem13.base|)), 38722#(= 1 (select |#valid| main_~p~0.base)), 38693#true, 38694#false, 38695#(= 0 |main_#t~malloc0.offset|), 38696#(= 0 main_~a~0.offset), 38697#(and (= 0 main_~a~0.offset) (= main_~p~0.offset 0) (= main_~p~0.base main_~a~0.base)), 38698#(and (= 0 main_~a~0.offset) (= main_~p~0.offset 0) (= (select |#valid| main_~p~0.base) 1) (= main_~p~0.base main_~a~0.base)), 38699#(and (= 0 main_~a~0.offset) (= main_~p~0.offset 0) (not (= main_~p~0.base |main_#t~malloc4.base|)) (= main_~p~0.base main_~a~0.base)), 38700#(and (= 0 main_~a~0.offset) (= main_~p~0.offset 0) (not (= main_~p~0.base main_~t~0.base)) (= main_~p~0.base main_~a~0.base)), 38701#(and (= 0 main_~a~0.offset) (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= main_~p~0.offset 0) (= (select |#valid| main_~p~0.base) 1) (= main_~p~0.base main_~a~0.base)), 38702#(and (not (= main_~a~0.base |main_#t~mem5.base|)) (= (select |#valid| main_~a~0.base) 1) (= 0 main_~a~0.offset) (= |main_#t~mem5.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))), 38703#(and (= (select |#valid| main_~a~0.base) 1) (= 0 main_~a~0.offset) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (not (= main_~p~0.base main_~a~0.base))), 38704#(and (not (= main_~a~0.base |main_#t~malloc4.base|)) (= (select |#valid| main_~a~0.base) 1) (= 0 main_~a~0.offset) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (not (= main_~p~0.base main_~a~0.base))), 38705#(and (= (select |#valid| main_~a~0.base) 1) (= 0 main_~a~0.offset) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (not (= main_~p~0.base main_~a~0.base)) (not (= main_~a~0.base main_~t~0.base))), 38706#(and (not (= main_~a~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= (select |#valid| main_~a~0.base) 1) (= 0 main_~a~0.offset) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (= (select |#valid| main_~p~0.base) 1)), 38707#(and (not (= main_~a~0.base |main_#t~mem5.base|)) (= (select |#valid| main_~a~0.base) 1) (= 0 main_~a~0.offset) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) 1)), 38708#(and (= (select |#valid| main_~a~0.base) 1) (= 0 main_~a~0.offset) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) 1) (not (= main_~p~0.base main_~a~0.base))), 38709#(and (= 0 main_~a~0.offset) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (not (= main_~a~0.base |main_#t~malloc9.base|)) (not (= main_~p~0.base main_~a~0.base))), 38710#(and (= 0 main_~a~0.offset) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (not (= main_~p~0.base main_~a~0.base)) (not (= main_~a~0.base main_~t~0.base))), 38711#(and (not (= main_~a~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= 0 main_~a~0.offset) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))))), 38712#(and (= 0 main_~a~0.offset) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (not (= main_~a~0.base |main_#t~mem10.base|))), 38713#(and (= 0 main_~a~0.offset) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (not (= main_~p~0.base main_~a~0.base))), 38714#(and (= 0 main_~a~0.offset) (or (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= |main_#t~malloc9.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (not (= main_~p~0.base main_~a~0.base))), 38715#(and (or (= main_~t~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))))) (= 0 main_~a~0.offset) (not (= main_~p~0.base main_~a~0.base))), 38716#(and (= 0 main_~a~0.offset) (or (= (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)) (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))))), 38717#(and (= 0 main_~a~0.offset) (or (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= |main_#t~mem10.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))))), 38718#(and (= 0 main_~a~0.offset) (or (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))))), 38719#(and (= 0 main_~a~0.offset) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))))] [2018-04-11 13:42:37,418 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:42:37,419 INFO L442 AbstractCegarLoop]: Interpolant automaton has 30 states [2018-04-11 13:42:37,419 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2018-04-11 13:42:37,419 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=145, Invalid=725, Unknown=0, NotChecked=0, Total=870 [2018-04-11 13:42:37,419 INFO L87 Difference]: Start difference. First operand 384 states and 446 transitions. Second operand 30 states. [2018-04-11 13:42:38,516 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 13:42:38,517 INFO L93 Difference]: Finished difference Result 526 states and 609 transitions. [2018-04-11 13:42:38,517 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2018-04-11 13:42:38,517 INFO L78 Accepts]: Start accepts. Automaton has 30 states. Word has length 71 [2018-04-11 13:42:38,517 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 13:42:38,518 INFO L225 Difference]: With dead ends: 526 [2018-04-11 13:42:38,518 INFO L226 Difference]: Without dead ends: 526 [2018-04-11 13:42:38,519 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 62 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 859 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=808, Invalid=3224, Unknown=0, NotChecked=0, Total=4032 [2018-04-11 13:42:38,519 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 526 states. [2018-04-11 13:42:38,521 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 526 to 400. [2018-04-11 13:42:38,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 400 states. [2018-04-11 13:42:38,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 400 states to 400 states and 465 transitions. [2018-04-11 13:42:38,521 INFO L78 Accepts]: Start accepts. Automaton has 400 states and 465 transitions. Word has length 71 [2018-04-11 13:42:38,521 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 13:42:38,522 INFO L459 AbstractCegarLoop]: Abstraction has 400 states and 465 transitions. [2018-04-11 13:42:38,522 INFO L460 AbstractCegarLoop]: Interpolant automaton has 30 states. [2018-04-11 13:42:38,522 INFO L276 IsEmpty]: Start isEmpty. Operand 400 states and 465 transitions. [2018-04-11 13:42:38,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2018-04-11 13:42:38,522 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 13:42:38,522 INFO L355 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 13:42:38,522 INFO L408 AbstractCegarLoop]: === Iteration 65 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr29AssertViolationMEMORY_FREE, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr30AssertViolationMEMORY_FREE, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr32EnsuresViolationMEMORY_LEAK, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr31AssertViolationMEMORY_FREE, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr28AssertViolationMEMORY_FREE, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation]=== [2018-04-11 13:42:38,522 INFO L82 PathProgramCache]: Analyzing trace with hash -612195880, now seen corresponding path program 6 times [2018-04-11 13:42:38,523 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 13:42:38,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 13:42:38,532 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 13:42:39,040 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:42:39,040 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-11 13:42:39,040 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [25] total 25 [2018-04-11 13:42:39,040 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 13:42:39,041 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 13:42:39,041 INFO L182 omatonBuilderFactory]: Interpolants [39717#true, 39718#false, 39719#(= 0 |main_#t~malloc0.offset|), 39720#(= 0 main_~a~0.offset), 39721#(and (= 0 main_~a~0.offset) (= main_~p~0.offset 0) (= main_~p~0.base main_~a~0.base)), 39722#(and (= 0 main_~a~0.offset) (= main_~p~0.offset 0) (= (select |#valid| main_~p~0.base) 1) (= main_~p~0.base main_~a~0.base)), 39723#(and (= 0 main_~a~0.offset) (= main_~p~0.offset 0) (not (= main_~p~0.base |main_#t~malloc4.base|)) (= main_~p~0.base main_~a~0.base) (= 0 |main_#t~malloc4.offset|) (= 8 (select |#length| |main_#t~malloc4.base|))), 39724#(and (= 8 (select |#length| main_~t~0.base)) (= 0 main_~a~0.offset) (= 0 main_~t~0.offset) (= main_~p~0.offset 0) (not (= main_~p~0.base main_~t~0.base)) (= main_~p~0.base main_~a~0.base)), 39725#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= 0 main_~a~0.offset) (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= main_~p~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4))) (= (select |#valid| main_~p~0.base) 1) (= main_~p~0.base main_~a~0.base)), 39726#(and (not (= main_~a~0.base |main_#t~mem5.base|)) (= (select |#valid| main_~a~0.base) 1) (= 0 main_~a~0.offset) (= 8 (select |#length| |main_#t~mem5.base|)) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= |main_#t~mem5.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))), 39727#(and (= (select |#valid| main_~a~0.base) 1) (= 0 main_~a~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (not (= main_~p~0.base main_~a~0.base)) (= 8 (select |#length| main_~p~0.base))), 39728#(and (<= 0 main_~p~0.offset) (= (select |#valid| main_~a~0.base) 1) (= 0 main_~a~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (not (= main_~p~0.base main_~a~0.base)) (= 8 (select |#length| main_~p~0.base))), 39729#(and (<= 0 main_~p~0.offset) (not (= main_~a~0.base |main_#t~malloc4.base|)) (= (select |#valid| main_~a~0.base) 1) (= 0 main_~a~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (= 8 (select |#length| main_~p~0.base)) (not (= main_~p~0.base main_~a~0.base))), 39730#(and (<= 0 main_~p~0.offset) (= (select |#valid| main_~a~0.base) 1) (= 0 main_~a~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (not (= main_~p~0.base main_~a~0.base)) (= 8 (select |#length| main_~p~0.base)) (not (= main_~a~0.base main_~t~0.base))), 39731#(and (= (select |#length| main_~p~0.base) 8) (not (= main_~a~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= (select |#valid| main_~a~0.base) 1) (= 0 main_~a~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (= (select |#valid| main_~p~0.base) 1)), 39732#(and (not (= main_~a~0.base |main_#t~mem5.base|)) (= (select |#valid| main_~a~0.base) 1) (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= 0 main_~a~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) 1)), 39733#(and (= (select |#valid| main_~a~0.base) 1) (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= 0 main_~a~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) 1) (not (= main_~p~0.base main_~a~0.base))), 39734#(and (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= 0 main_~a~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (not (= main_~a~0.base |main_#t~malloc9.base|)) (not (= main_~p~0.base main_~a~0.base))), 39735#(and (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= 0 main_~a~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (not (= main_~p~0.base main_~a~0.base)) (not (= main_~a~0.base main_~t~0.base))), 39736#(and (not (= main_~a~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= 0 main_~a~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4)))), 39737#(and (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= 0 main_~a~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (not (= main_~a~0.base |main_#t~mem10.base|))), 39738#(and (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= 0 main_~a~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (not (= main_~p~0.base main_~a~0.base))), 39739#(and (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= 0 main_~a~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4)))), 39740#(and (= main_~p~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4))) (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))))), 39741#(and (<= 8 (select |#length| |main_#t~mem13.base|)) (= 0 |main_#t~mem13.offset|)), 39742#(and (= main_~p~0.offset 0) (<= 8 (select |#length| main_~p~0.base)))] [2018-04-11 13:42:39,041 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:42:39,041 INFO L442 AbstractCegarLoop]: Interpolant automaton has 26 states [2018-04-11 13:42:39,041 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2018-04-11 13:42:39,041 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=103, Invalid=547, Unknown=0, NotChecked=0, Total=650 [2018-04-11 13:42:39,042 INFO L87 Difference]: Start difference. First operand 400 states and 465 transitions. Second operand 26 states. [2018-04-11 13:42:40,225 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 13:42:40,226 INFO L93 Difference]: Finished difference Result 527 states and 609 transitions. [2018-04-11 13:42:40,255 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2018-04-11 13:42:40,255 INFO L78 Accepts]: Start accepts. Automaton has 26 states. Word has length 71 [2018-04-11 13:42:40,255 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 13:42:40,256 INFO L225 Difference]: With dead ends: 527 [2018-04-11 13:42:40,256 INFO L226 Difference]: Without dead ends: 526 [2018-04-11 13:42:40,257 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 53 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 644 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=536, Invalid=2434, Unknown=0, NotChecked=0, Total=2970 [2018-04-11 13:42:40,257 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 526 states. [2018-04-11 13:42:40,259 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 526 to 416. [2018-04-11 13:42:40,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 416 states. [2018-04-11 13:42:40,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 416 states to 416 states and 484 transitions. [2018-04-11 13:42:40,259 INFO L78 Accepts]: Start accepts. Automaton has 416 states and 484 transitions. Word has length 71 [2018-04-11 13:42:40,260 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 13:42:40,260 INFO L459 AbstractCegarLoop]: Abstraction has 416 states and 484 transitions. [2018-04-11 13:42:40,260 INFO L460 AbstractCegarLoop]: Interpolant automaton has 26 states. [2018-04-11 13:42:40,260 INFO L276 IsEmpty]: Start isEmpty. Operand 416 states and 484 transitions. [2018-04-11 13:42:40,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2018-04-11 13:42:40,260 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 13:42:40,260 INFO L355 BasicCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 13:42:40,260 INFO L408 AbstractCegarLoop]: === Iteration 66 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr29AssertViolationMEMORY_FREE, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr30AssertViolationMEMORY_FREE, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr32EnsuresViolationMEMORY_LEAK, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr31AssertViolationMEMORY_FREE, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr28AssertViolationMEMORY_FREE, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation]=== [2018-04-11 13:42:40,260 INFO L82 PathProgramCache]: Analyzing trace with hash -872712254, now seen corresponding path program 7 times [2018-04-11 13:42:40,261 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 13:42:40,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 13:42:40,271 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 13:42:40,648 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 51 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:42:40,648 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-11 13:42:40,648 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [25] total 25 [2018-04-11 13:42:40,648 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 13:42:40,648 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 13:42:40,648 INFO L182 omatonBuilderFactory]: Interpolants [40768#(and (<= 8 (select |#length| |main_#t~mem13.base|)) (= 0 |main_#t~mem13.offset|)), 40769#(and (= main_~p~0.offset 0) (<= 8 (select |#length| main_~p~0.base))), 40744#true, 40745#false, 40746#(= 0 |main_#t~malloc0.offset|), 40747#(= 0 main_~a~0.offset), 40748#(and (= 0 main_~a~0.offset) (= main_~p~0.offset 0) (= main_~p~0.base main_~a~0.base)), 40749#(and (= 0 main_~a~0.offset) (= main_~p~0.offset 0) (= (select |#valid| main_~p~0.base) 1) (= main_~p~0.base main_~a~0.base)), 40750#(and (= 0 main_~a~0.offset) (= main_~p~0.offset 0) (not (= main_~p~0.base |main_#t~malloc4.base|)) (= main_~p~0.base main_~a~0.base) (= 0 |main_#t~malloc4.offset|)), 40751#(and (= 0 main_~a~0.offset) (= 0 main_~t~0.offset) (= main_~p~0.offset 0) (not (= main_~p~0.base main_~t~0.base)) (= main_~p~0.base main_~a~0.base)), 40752#(and (= 0 main_~a~0.offset) (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= main_~p~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4))) (= (select |#valid| main_~p~0.base) 1) (= main_~p~0.base main_~a~0.base)), 40753#(and (not (= main_~a~0.base |main_#t~mem5.base|)) (= (select |#valid| main_~a~0.base) 1) (= 0 main_~a~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= |main_#t~mem5.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))), 40754#(and (= (select |#valid| main_~a~0.base) 1) (= 0 main_~a~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (not (= main_~p~0.base main_~a~0.base))), 40755#(and (<= 0 main_~p~0.offset) (= (select |#valid| main_~a~0.base) 1) (= 0 main_~a~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (not (= main_~p~0.base main_~a~0.base))), 40756#(and (<= 0 main_~p~0.offset) (not (= main_~a~0.base |main_#t~malloc4.base|)) (= (select |#valid| main_~a~0.base) 1) (= 0 main_~a~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (not (= main_~p~0.base main_~a~0.base))), 40757#(and (<= 0 main_~p~0.offset) (= (select |#valid| main_~a~0.base) 1) (= 0 main_~a~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (not (= main_~p~0.base main_~a~0.base)) (not (= main_~a~0.base main_~t~0.base))), 40758#(and (not (= main_~a~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= (select |#valid| main_~a~0.base) 1) (= 0 main_~a~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (= (select |#valid| main_~p~0.base) 1) (<= 8 (select |#length| main_~p~0.base))), 40759#(and (not (= main_~a~0.base |main_#t~mem5.base|)) (= (select |#valid| main_~a~0.base) 1) (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= 0 main_~a~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) 1)), 40760#(and (= (select |#valid| main_~a~0.base) 1) (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= 0 main_~a~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) 1) (not (= main_~p~0.base main_~a~0.base))), 40761#(and (not (= main_~a~0.base |main_#t~malloc4.base|)) (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= 0 main_~a~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (not (= main_~p~0.base main_~a~0.base))), 40762#(and (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= 0 main_~a~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (not (= main_~p~0.base main_~a~0.base)) (not (= main_~a~0.base main_~t~0.base))), 40763#(and (not (= main_~a~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= 0 main_~a~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4)))), 40764#(and (not (= main_~a~0.base |main_#t~mem5.base|)) (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= 0 main_~a~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4)))), 40765#(and (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= 0 main_~a~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (not (= main_~p~0.base main_~a~0.base))), 40766#(and (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= 0 main_~a~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4)))), 40767#(and (= main_~p~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4))) (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))))] [2018-04-11 13:42:40,648 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 51 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:42:40,648 INFO L442 AbstractCegarLoop]: Interpolant automaton has 26 states [2018-04-11 13:42:40,649 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2018-04-11 13:42:40,649 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=91, Invalid=559, Unknown=0, NotChecked=0, Total=650 [2018-04-11 13:42:40,649 INFO L87 Difference]: Start difference. First operand 416 states and 484 transitions. Second operand 26 states. [2018-04-11 13:42:41,799 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 13:42:41,799 INFO L93 Difference]: Finished difference Result 531 states and 609 transitions. [2018-04-11 13:42:41,799 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2018-04-11 13:42:41,799 INFO L78 Accepts]: Start accepts. Automaton has 26 states. Word has length 71 [2018-04-11 13:42:41,800 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 13:42:41,801 INFO L225 Difference]: With dead ends: 531 [2018-04-11 13:42:41,801 INFO L226 Difference]: Without dead ends: 530 [2018-04-11 13:42:41,801 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 558 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=433, Invalid=2323, Unknown=0, NotChecked=0, Total=2756 [2018-04-11 13:42:41,801 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 530 states. [2018-04-11 13:42:41,803 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 530 to 415. [2018-04-11 13:42:41,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 415 states. [2018-04-11 13:42:41,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 415 states to 415 states and 484 transitions. [2018-04-11 13:42:41,804 INFO L78 Accepts]: Start accepts. Automaton has 415 states and 484 transitions. Word has length 71 [2018-04-11 13:42:41,804 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 13:42:41,804 INFO L459 AbstractCegarLoop]: Abstraction has 415 states and 484 transitions. [2018-04-11 13:42:41,804 INFO L460 AbstractCegarLoop]: Interpolant automaton has 26 states. [2018-04-11 13:42:41,804 INFO L276 IsEmpty]: Start isEmpty. Operand 415 states and 484 transitions. [2018-04-11 13:42:41,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2018-04-11 13:42:41,805 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 13:42:41,805 INFO L355 BasicCegarLoop]: trace histogram [5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 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 13:42:41,805 INFO L408 AbstractCegarLoop]: === Iteration 67 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr29AssertViolationMEMORY_FREE, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr30AssertViolationMEMORY_FREE, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr32EnsuresViolationMEMORY_LEAK, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr31AssertViolationMEMORY_FREE, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr28AssertViolationMEMORY_FREE, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation]=== [2018-04-11 13:42:41,805 INFO L82 PathProgramCache]: Analyzing trace with hash 1064120343, now seen corresponding path program 6 times [2018-04-11 13:42:41,806 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 13:42:41,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 13:42:41,813 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 13:42:42,257 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 84 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:42:42,257 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-11 13:42:42,257 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [29] total 29 [2018-04-11 13:42:42,257 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 13:42:42,257 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 13:42:42,257 INFO L182 omatonBuilderFactory]: Interpolants [41792#(and (or (= main_~t~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))))) (= 0 main_~a~0.offset) (not (= main_~p~0.base main_~a~0.base))), 41793#(and (= 0 main_~a~0.offset) (or (= (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)) (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))))), 41794#(and (= 0 main_~a~0.offset) (or (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= |main_#t~mem5.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))))), 41795#(and (= 0 main_~a~0.offset) (or (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))))), 41796#(and (= 0 main_~a~0.offset) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))))), 41797#(and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= main_~p~0.offset 0)), 41798#(= 1 (select |#valid| |main_#t~mem13.base|)), 41799#(= 1 (select |#valid| main_~p~0.base)), 41770#true, 41771#false, 41772#(= 0 |main_#t~malloc0.offset|), 41773#(= 0 main_~a~0.offset), 41774#(and (= 0 main_~a~0.offset) (= main_~p~0.offset 0) (= main_~p~0.base main_~a~0.base)), 41775#(and (= 0 main_~a~0.offset) (= main_~p~0.offset 0) (= (select |#valid| main_~p~0.base) 1) (= main_~p~0.base main_~a~0.base)), 41776#(and (= 0 main_~a~0.offset) (= main_~p~0.offset 0) (not (= main_~p~0.base |main_#t~malloc4.base|)) (= main_~p~0.base main_~a~0.base)), 41777#(and (= 0 main_~a~0.offset) (= main_~p~0.offset 0) (not (= main_~p~0.base main_~t~0.base)) (= main_~p~0.base main_~a~0.base)), 41778#(and (= 0 main_~a~0.offset) (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= main_~p~0.offset 0) (= (select |#valid| main_~p~0.base) 1) (= main_~p~0.base main_~a~0.base)), 41779#(and (not (= main_~a~0.base |main_#t~mem5.base|)) (= (select |#valid| main_~a~0.base) 1) (= 0 main_~a~0.offset) (= |main_#t~mem5.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))), 41780#(and (= (select |#valid| main_~a~0.base) 1) (= 0 main_~a~0.offset) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (not (= main_~p~0.base main_~a~0.base))), 41781#(and (not (= main_~a~0.base |main_#t~malloc4.base|)) (= (select |#valid| main_~a~0.base) 1) (= 0 main_~a~0.offset) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (not (= main_~p~0.base main_~a~0.base))), 41782#(and (= (select |#valid| main_~a~0.base) 1) (= 0 main_~a~0.offset) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (not (= main_~p~0.base main_~a~0.base)) (not (= main_~a~0.base main_~t~0.base))), 41783#(and (not (= main_~a~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= (select |#valid| main_~a~0.base) 1) (= 0 main_~a~0.offset) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (= (select |#valid| main_~p~0.base) 1)), 41784#(and (not (= main_~a~0.base |main_#t~mem5.base|)) (= (select |#valid| main_~a~0.base) 1) (= 0 main_~a~0.offset) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) 1)), 41785#(and (= (select |#valid| main_~a~0.base) 1) (= 0 main_~a~0.offset) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) 1) (not (= main_~p~0.base main_~a~0.base))), 41786#(and (not (= main_~a~0.base |main_#t~malloc4.base|)) (= 0 main_~a~0.offset) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (not (= main_~p~0.base main_~a~0.base))), 41787#(and (= 0 main_~a~0.offset) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (not (= main_~p~0.base main_~a~0.base)) (not (= main_~a~0.base main_~t~0.base))), 41788#(and (not (= main_~a~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= 0 main_~a~0.offset) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))))), 41789#(and (not (= main_~a~0.base |main_#t~mem5.base|)) (= 0 main_~a~0.offset) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))))), 41790#(and (= 0 main_~a~0.offset) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (not (= main_~p~0.base main_~a~0.base))), 41791#(and (= 0 main_~a~0.offset) (or (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= |main_#t~malloc4.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (not (= main_~p~0.base main_~a~0.base)))] [2018-04-11 13:42:42,257 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 84 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:42:42,258 INFO L442 AbstractCegarLoop]: Interpolant automaton has 30 states [2018-04-11 13:42:42,258 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2018-04-11 13:42:42,258 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=147, Invalid=723, Unknown=0, NotChecked=0, Total=870 [2018-04-11 13:42:42,258 INFO L87 Difference]: Start difference. First operand 415 states and 484 transitions. Second operand 30 states. [2018-04-11 13:42:43,119 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 13:42:43,119 INFO L93 Difference]: Finished difference Result 522 states and 598 transitions. [2018-04-11 13:42:43,119 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2018-04-11 13:42:43,119 INFO L78 Accepts]: Start accepts. Automaton has 30 states. Word has length 71 [2018-04-11 13:42:43,119 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 13:42:43,120 INFO L225 Difference]: With dead ends: 522 [2018-04-11 13:42:43,120 INFO L226 Difference]: Without dead ends: 522 [2018-04-11 13:42:43,120 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 55 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 623 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=632, Invalid=2560, Unknown=0, NotChecked=0, Total=3192 [2018-04-11 13:42:43,121 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 522 states. [2018-04-11 13:42:43,122 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 522 to 406. [2018-04-11 13:42:43,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 406 states. [2018-04-11 13:42:43,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 406 states to 406 states and 474 transitions. [2018-04-11 13:42:43,123 INFO L78 Accepts]: Start accepts. Automaton has 406 states and 474 transitions. Word has length 71 [2018-04-11 13:42:43,123 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 13:42:43,123 INFO L459 AbstractCegarLoop]: Abstraction has 406 states and 474 transitions. [2018-04-11 13:42:43,123 INFO L460 AbstractCegarLoop]: Interpolant automaton has 30 states. [2018-04-11 13:42:43,123 INFO L276 IsEmpty]: Start isEmpty. Operand 406 states and 474 transitions. [2018-04-11 13:42:43,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2018-04-11 13:42:43,123 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 13:42:43,124 INFO L355 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 13:42:43,124 INFO L408 AbstractCegarLoop]: === Iteration 68 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr29AssertViolationMEMORY_FREE, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr30AssertViolationMEMORY_FREE, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr32EnsuresViolationMEMORY_LEAK, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr31AssertViolationMEMORY_FREE, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr28AssertViolationMEMORY_FREE, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation]=== [2018-04-11 13:42:43,124 INFO L82 PathProgramCache]: Analyzing trace with hash 1513467418, now seen corresponding path program 8 times [2018-04-11 13:42:43,124 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 13:42:43,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 13:42:43,131 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 13:42:43,721 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:42:43,721 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-11 13:42:43,721 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [28] total 28 [2018-04-11 13:42:43,721 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 13:42:43,722 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 13:42:43,722 INFO L182 omatonBuilderFactory]: Interpolants [42782#true, 42783#false, 42784#(= 0 |main_#t~malloc0.offset|), 42785#(= 0 main_~a~0.offset), 42786#(and (= 0 main_~a~0.offset) (= main_~p~0.offset 0) (= main_~p~0.base main_~a~0.base)), 42787#(and (= 0 main_~a~0.offset) (= main_~p~0.offset 0) (= (select |#valid| main_~p~0.base) 1) (= main_~p~0.base main_~a~0.base)), 42788#(and (not (= main_~p~0.base |main_#t~malloc9.base|)) (= 0 |main_#t~malloc9.offset|) (= 0 main_~a~0.offset) (= main_~p~0.offset 0) (= main_~p~0.base main_~a~0.base)), 42789#(and (= 0 main_~a~0.offset) (= 0 main_~t~0.offset) (= main_~p~0.offset 0) (not (= main_~p~0.base main_~t~0.base)) (= main_~p~0.base main_~a~0.base)), 42790#(and (= 0 main_~a~0.offset) (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= main_~p~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4))) (= (select |#valid| main_~p~0.base) 1) (= main_~p~0.base main_~a~0.base)), 42791#(and (= (select |#valid| main_~a~0.base) 1) (= 0 main_~a~0.offset) (= (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)) |main_#t~mem10.base|) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (not (= main_~a~0.base |main_#t~mem10.base|)) (= 0 |main_#t~mem10.offset|)), 42792#(and (= (select |#valid| main_~a~0.base) 1) (= 0 main_~a~0.offset) (= main_~p~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (not (= main_~p~0.base main_~a~0.base))), 42793#(and (= (select |#valid| main_~a~0.base) 1) (= 0 main_~a~0.offset) (= main_~p~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (= (select |#valid| main_~p~0.base) 1) (not (= main_~p~0.base main_~a~0.base))), 42794#(and (not (= main_~p~0.base |main_#t~malloc9.base|)) (= 0 |main_#t~malloc9.offset|) (= 0 main_~a~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~p~0.offset 0) (not (= main_~a~0.base |main_#t~malloc9.base|)) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (not (= main_~p~0.base main_~a~0.base))), 42795#(and (= 0 main_~a~0.offset) (= 0 main_~t~0.offset) (= main_~p~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (not (= main_~p~0.base main_~t~0.base)) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (not (= main_~p~0.base main_~a~0.base)) (not (= main_~a~0.base main_~t~0.base))), 42796#(and (not (= main_~a~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= 0 main_~a~0.offset) (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= main_~p~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4))) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))), 42797#(and (= 0 main_~a~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (not (= (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)) |main_#t~mem10.base|)) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (= |main_#t~mem10.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (not (= main_~a~0.base |main_#t~mem10.base|)) (= 0 |main_#t~mem10.offset|)), 42798#(and (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= 0 main_~a~0.offset) (= main_~p~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (= main_~p~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (not (= main_~p~0.base main_~a~0.base))), 42799#(and (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= 0 main_~a~0.offset) (= main_~p~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (= 1 (select |#valid| |main_#t~malloc9.base|)) (= main_~p~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (not (= main_~p~0.base main_~a~0.base))), 42800#(and (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= 0 main_~a~0.offset) (= main_~p~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (= main_~p~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (not (= main_~p~0.base main_~a~0.base)) (= 1 (select |#valid| main_~t~0.base))), 42801#(and (= 0 main_~a~0.offset) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (+ 0 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4)))), 42802#(and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) (+ 0 4))) (+ 0 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) (+ 0 4)))), 42803#(and (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem16.base|) (+ 0 4))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_#t~mem16.base|) (+ 0 4))) (+ 0 4)))) (= 0 |main_#t~mem16.offset|)), 42804#(or (and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) (+ 0 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4)))) (<= (+ main_~p~0.offset 1) 0)), 42805#(and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) (+ 0 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4)))), 42806#(and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| |main_#t~mem16.base|) (+ 0 4)))) (= 0 |main_#t~mem16.offset|)), 42807#(or (<= (+ main_~p~0.offset 1) 0) (and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= main_~p~0.offset 0))), 42808#(and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= main_~p~0.offset 0)), 42809#(= 1 (select |#valid| |main_#t~mem16.base|)), 42810#(= 1 (select |#valid| main_~p~0.base))] [2018-04-11 13:42:43,722 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:42:43,722 INFO L442 AbstractCegarLoop]: Interpolant automaton has 29 states [2018-04-11 13:42:43,722 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2018-04-11 13:42:43,722 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=84, Invalid=728, Unknown=0, NotChecked=0, Total=812 [2018-04-11 13:42:43,722 INFO L87 Difference]: Start difference. First operand 406 states and 474 transitions. Second operand 29 states. [2018-04-11 13:42:44,809 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 13:42:44,809 INFO L93 Difference]: Finished difference Result 458 states and 526 transitions. [2018-04-11 13:42:44,809 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2018-04-11 13:42:44,809 INFO L78 Accepts]: Start accepts. Automaton has 29 states. Word has length 73 [2018-04-11 13:42:44,809 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 13:42:44,810 INFO L225 Difference]: With dead ends: 458 [2018-04-11 13:42:44,810 INFO L226 Difference]: Without dead ends: 458 [2018-04-11 13:42:44,810 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 57 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 750 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=439, Invalid=2983, Unknown=0, NotChecked=0, Total=3422 [2018-04-11 13:42:44,811 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 458 states. [2018-04-11 13:42:44,812 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 458 to 416. [2018-04-11 13:42:44,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 416 states. [2018-04-11 13:42:44,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 416 states to 416 states and 484 transitions. [2018-04-11 13:42:44,813 INFO L78 Accepts]: Start accepts. Automaton has 416 states and 484 transitions. Word has length 73 [2018-04-11 13:42:44,813 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 13:42:44,813 INFO L459 AbstractCegarLoop]: Abstraction has 416 states and 484 transitions. [2018-04-11 13:42:44,813 INFO L460 AbstractCegarLoop]: Interpolant automaton has 29 states. [2018-04-11 13:42:44,813 INFO L276 IsEmpty]: Start isEmpty. Operand 416 states and 484 transitions. [2018-04-11 13:42:44,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2018-04-11 13:42:44,814 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 13:42:44,814 INFO L355 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 13:42:44,814 INFO L408 AbstractCegarLoop]: === Iteration 69 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr29AssertViolationMEMORY_FREE, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr30AssertViolationMEMORY_FREE, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr32EnsuresViolationMEMORY_LEAK, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr31AssertViolationMEMORY_FREE, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr28AssertViolationMEMORY_FREE, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation]=== [2018-04-11 13:42:44,814 INFO L82 PathProgramCache]: Analyzing trace with hash 1513467419, now seen corresponding path program 6 times [2018-04-11 13:42:44,814 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 13:42:44,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 13:42:44,823 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 13:42:45,710 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:42:45,710 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-11 13:42:45,711 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [30] total 30 [2018-04-11 13:42:45,711 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 13:42:45,711 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 13:42:45,711 INFO L182 omatonBuilderFactory]: Interpolants [43745#true, 43746#false, 43747#(= 0 |main_#t~malloc0.offset|), 43748#(= 0 main_~a~0.offset), 43749#(and (= 0 main_~a~0.offset) (= main_~p~0.offset 0) (= main_~p~0.base main_~a~0.base)), 43750#(and (= 0 main_~a~0.offset) (= main_~p~0.offset 0) (= (select |#valid| main_~p~0.base) 1) (= main_~p~0.base main_~a~0.base)), 43751#(and (not (= main_~p~0.base |main_#t~malloc9.base|)) (= 0 |main_#t~malloc9.offset|) (= 0 main_~a~0.offset) (= main_~p~0.offset 0) (= main_~p~0.base main_~a~0.base)), 43752#(and (= 0 main_~a~0.offset) (= 0 main_~t~0.offset) (= main_~p~0.offset 0) (not (= main_~p~0.base main_~t~0.base)) (= main_~p~0.base main_~a~0.base)), 43753#(and (= 0 main_~a~0.offset) (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= main_~p~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4))) (= (select |#valid| main_~p~0.base) 1) (= main_~p~0.base main_~a~0.base)), 43754#(and (= (select |#valid| main_~a~0.base) 1) (= 0 main_~a~0.offset) (= (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)) |main_#t~mem10.base|) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (not (= main_~a~0.base |main_#t~mem10.base|)) (= 0 |main_#t~mem10.offset|)), 43755#(and (= (select |#valid| main_~a~0.base) 1) (= 0 main_~a~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~p~0.offset 0) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (not (= main_~p~0.base main_~a~0.base))), 43756#(and (= (select |#valid| main_~a~0.base) 1) (= 0 main_~a~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~p~0.offset 0) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (= (select |#valid| main_~p~0.base) 1) (not (= main_~p~0.base main_~a~0.base))), 43757#(and (not (= main_~p~0.base |main_#t~malloc9.base|)) (= 0 |main_#t~malloc9.offset|) (= 0 main_~a~0.offset) (= main_~p~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (not (= main_~a~0.base |main_#t~malloc9.base|)) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (= 8 (select |#length| |main_#t~malloc9.base|)) (not (= main_~p~0.base main_~a~0.base))), 43758#(and (= 8 (select |#length| main_~t~0.base)) (= 0 main_~a~0.offset) (= 0 main_~t~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~p~0.offset 0) (not (= main_~p~0.base main_~t~0.base)) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (not (= main_~p~0.base main_~a~0.base)) (not (= main_~a~0.base main_~t~0.base))), 43759#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (not (= main_~a~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= 0 main_~a~0.offset) (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~p~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4))) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))), 43760#(and (= 0 main_~a~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (not (= (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)) |main_#t~mem10.base|)) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (= |main_#t~mem10.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (= 8 (select |#length| |main_#t~mem10.base|)) (not (= main_~a~0.base |main_#t~mem10.base|)) (= 0 |main_#t~mem10.offset|)), 43761#(and (= 0 main_~a~0.offset) (or (and (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= main_~p~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~p~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (= 8 (select |#length| main_~p~0.base))) (<= (+ main_~p~0.offset 1) 0)) (not (= main_~p~0.base main_~a~0.base))), 43762#(and (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= 0 main_~a~0.offset) (= main_~p~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~p~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (not (= main_~p~0.base main_~a~0.base)) (= 8 (select |#length| main_~p~0.base))), 43763#(and (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= 0 |main_#t~malloc9.offset|) (= 0 main_~a~0.offset) (= main_~p~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~p~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (= 8 (select |#length| |main_#t~malloc9.base|)) (= 8 (select |#length| main_~p~0.base)) (not (= main_~p~0.base main_~a~0.base))), 43764#(and (= 8 (select |#length| main_~t~0.base)) (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= 0 main_~a~0.offset) (= main_~p~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (= 0 main_~t~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~p~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (= 8 (select |#length| main_~p~0.base)) (not (= main_~p~0.base main_~a~0.base))), 43765#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (+ 0 4))) (= 0 main_~a~0.offset) (= main_~p~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (+ 0 4)))) (= 8 (select |#length| main_~p~0.base))), 43766#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (+ 0 4))) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4)))) (= 0 main_~a~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (+ 0 4))))), 43767#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) (+ 0 4)))) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) (+ 0 4))) (+ 0 4)))) (= main_~p~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) (+ 0 4))) (+ 0 4))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) (+ 0 4)))), 43768#(and (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem16.base|) (+ 0 4))) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_#t~mem16.base|) (+ 0 4))) (+ 0 4)))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |main_#t~mem16.base|) (+ 0 4))) (+ 0 4))) (= 0 |main_#t~mem16.offset|) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| |main_#t~mem16.base|) (+ 0 4))))), 43769#(or (and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) (+ 0 4)))) (= main_~p~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) (+ 0 4)))) (<= (+ main_~p~0.offset 1) 0)), 43770#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) (+ 0 4)))) (= main_~p~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) (+ 0 4)))), 43771#(and (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem16.base|) (+ 0 4))) (= 0 |main_#t~mem16.offset|) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| |main_#t~mem16.base|) (+ 0 4)))) (= 8 (select |#length| |main_#t~mem16.base|))), 43772#(or (<= (+ main_~p~0.offset 1) 0) (and (<= 1 main_~p~0.offset) (= 8 (select |#length| main_~p~0.base))) (and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= main_~p~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4))))), 43773#(or (and (<= 1 main_~p~0.offset) (= 8 (select |#length| main_~p~0.base))) (and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= main_~p~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4))))), 43774#(and (= 0 |main_#t~mem16.offset|) (= 8 (select |#length| |main_#t~mem16.base|))), 43775#(and (= main_~p~0.offset 0) (= 8 (select |#length| main_~p~0.base)))] [2018-04-11 13:42:45,711 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:42:45,711 INFO L442 AbstractCegarLoop]: Interpolant automaton has 31 states [2018-04-11 13:42:45,711 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2018-04-11 13:42:45,711 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=101, Invalid=829, Unknown=0, NotChecked=0, Total=930 [2018-04-11 13:42:45,712 INFO L87 Difference]: Start difference. First operand 416 states and 484 transitions. Second operand 31 states. [2018-04-11 13:42:46,977 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 13:42:46,977 INFO L93 Difference]: Finished difference Result 484 states and 553 transitions. [2018-04-11 13:42:46,977 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2018-04-11 13:42:46,977 INFO L78 Accepts]: Start accepts. Automaton has 31 states. Word has length 73 [2018-04-11 13:42:46,977 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 13:42:46,978 INFO L225 Difference]: With dead ends: 484 [2018-04-11 13:42:46,978 INFO L226 Difference]: Without dead ends: 484 [2018-04-11 13:42:46,978 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 53 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 644 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=370, Invalid=2600, Unknown=0, NotChecked=0, Total=2970 [2018-04-11 13:42:46,979 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 484 states. [2018-04-11 13:42:46,980 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 484 to 416. [2018-04-11 13:42:46,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 416 states. [2018-04-11 13:42:46,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 416 states to 416 states and 484 transitions. [2018-04-11 13:42:46,981 INFO L78 Accepts]: Start accepts. Automaton has 416 states and 484 transitions. Word has length 73 [2018-04-11 13:42:46,981 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 13:42:46,981 INFO L459 AbstractCegarLoop]: Abstraction has 416 states and 484 transitions. [2018-04-11 13:42:46,981 INFO L460 AbstractCegarLoop]: Interpolant automaton has 31 states. [2018-04-11 13:42:46,981 INFO L276 IsEmpty]: Start isEmpty. Operand 416 states and 484 transitions. [2018-04-11 13:42:46,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2018-04-11 13:42:46,981 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 13:42:46,981 INFO L355 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 13:42:46,981 INFO L408 AbstractCegarLoop]: === Iteration 70 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr29AssertViolationMEMORY_FREE, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr30AssertViolationMEMORY_FREE, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr32EnsuresViolationMEMORY_LEAK, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr31AssertViolationMEMORY_FREE, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr28AssertViolationMEMORY_FREE, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation]=== [2018-04-11 13:42:46,982 INFO L82 PathProgramCache]: Analyzing trace with hash 475162567, now seen corresponding path program 5 times [2018-04-11 13:42:46,982 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 13:42:46,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 13:42:46,992 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 13:42:47,616 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 0 proven. 35 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:42:47,616 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-11 13:42:47,616 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [29] total 29 [2018-04-11 13:42:47,616 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 13:42:47,616 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 13:42:47,616 INFO L182 omatonBuilderFactory]: Interpolants [44736#(and (not (= main_~p~0.base |main_#t~malloc9.base|)) (= 0 |main_#t~malloc9.offset|) (= 0 main_~a~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~p~0.offset 0) (not (= main_~a~0.base |main_#t~malloc9.base|)) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (not (= main_~p~0.base main_~a~0.base))), 44737#(and (= 0 main_~a~0.offset) (= 0 main_~t~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~p~0.offset 0) (not (= main_~p~0.base main_~t~0.base)) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (not (= main_~p~0.base main_~a~0.base)) (not (= main_~a~0.base main_~t~0.base))), 44738#(and (not (= main_~a~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= 0 main_~a~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ 0 4))) (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~p~0.offset 0) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))), 44739#(and (= 0 main_~a~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (not (= (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)) |main_#t~mem10.base|)) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (= |main_#t~mem10.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (not (= main_~a~0.base |main_#t~mem10.base|)) (= 0 |main_#t~mem10.offset|)), 44740#(and (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= 0 main_~a~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (not (= main_~p~0.base main_~a~0.base)) (or (and (= main_~p~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (= main_~p~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4)))) (<= (+ main_~p~0.offset 1) 0))), 44741#(and (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= 0 main_~a~0.offset) (= main_~p~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (= main_~p~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (not (= main_~p~0.base main_~a~0.base))), 44742#(and (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= 0 main_~a~0.offset) (= main_~p~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (= 1 (select |#valid| |main_#t~malloc9.base|)) (= main_~p~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (not (= main_~p~0.base main_~a~0.base))), 44743#(and (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= 0 main_~a~0.offset) (= main_~p~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (= main_~p~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (not (= main_~p~0.base main_~a~0.base)) (= 1 (select |#valid| main_~t~0.base))), 44744#(and (= 0 main_~a~0.offset) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (+ 0 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4)))), 44745#(and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) (+ 0 4))) (+ 0 4)))) (= main_~p~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) (+ 0 4)))), 44746#(and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_#t~mem13.base|) (+ 0 4))) (+ 0 4)))) (= 0 |main_#t~mem13.offset|) (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem13.base|) (+ 0 4)))), 44747#(or (and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) (+ 0 4)))) (= main_~p~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4)))) (<= (+ main_~p~0.offset 1) 0)), 44748#(and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) (+ 0 4)))) (= main_~p~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4)))), 44749#(and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| |main_#t~mem16.base|) (+ 0 4)))) (= 0 |main_#t~mem16.offset|)), 44750#(or (<= (+ main_~p~0.offset 1) 0) (and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= main_~p~0.offset 0))), 44751#(and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= main_~p~0.offset 0)), 44752#(= 1 (select |#valid| |main_#t~mem16.base|)), 44753#(= 1 (select |#valid| main_~p~0.base)), 44724#true, 44725#false, 44726#(= 0 |main_#t~malloc0.offset|), 44727#(= 0 main_~a~0.offset), 44728#(and (= 0 main_~a~0.offset) (= main_~p~0.offset 0) (= main_~p~0.base main_~a~0.base)), 44729#(and (= 0 main_~a~0.offset) (= main_~p~0.offset 0) (= (select |#valid| main_~p~0.base) 1) (= main_~p~0.base main_~a~0.base)), 44730#(and (= 0 main_~a~0.offset) (= main_~p~0.offset 0) (not (= main_~p~0.base |main_#t~malloc4.base|)) (= main_~p~0.base main_~a~0.base) (= 0 |main_#t~malloc4.offset|)), 44731#(and (= 0 main_~a~0.offset) (= 0 main_~t~0.offset) (= main_~p~0.offset 0) (not (= main_~p~0.base main_~t~0.base)) (= main_~p~0.base main_~a~0.base)), 44732#(and (= 0 main_~a~0.offset) (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= main_~p~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4))) (= (select |#valid| main_~p~0.base) 1) (= main_~p~0.base main_~a~0.base)), 44733#(and (not (= main_~a~0.base |main_#t~mem5.base|)) (= (select |#valid| main_~a~0.base) 1) (= 0 main_~a~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)) |main_#t~mem5.base|) (= 0 |main_#t~mem5.offset|)), 44734#(and (= (select |#valid| main_~a~0.base) 1) (= 0 main_~a~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~p~0.offset 0) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (not (= main_~p~0.base main_~a~0.base))), 44735#(and (= (select |#valid| main_~a~0.base) 1) (= 0 main_~a~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~p~0.offset 0) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (= (select |#valid| main_~p~0.base) 1) (not (= main_~p~0.base main_~a~0.base)))] [2018-04-11 13:42:47,616 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 0 proven. 35 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:42:47,616 INFO L442 AbstractCegarLoop]: Interpolant automaton has 30 states [2018-04-11 13:42:47,617 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2018-04-11 13:42:47,617 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=90, Invalid=780, Unknown=0, NotChecked=0, Total=870 [2018-04-11 13:42:47,617 INFO L87 Difference]: Start difference. First operand 416 states and 484 transitions. Second operand 30 states. [2018-04-11 13:42:48,811 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 13:42:48,812 INFO L93 Difference]: Finished difference Result 463 states and 531 transitions. [2018-04-11 13:42:48,812 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2018-04-11 13:42:48,812 INFO L78 Accepts]: Start accepts. Automaton has 30 states. Word has length 73 [2018-04-11 13:42:48,812 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 13:42:48,813 INFO L225 Difference]: With dead ends: 463 [2018-04-11 13:42:48,813 INFO L226 Difference]: Without dead ends: 463 [2018-04-11 13:42:48,813 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 58 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 790 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=450, Invalid=3090, Unknown=0, NotChecked=0, Total=3540 [2018-04-11 13:42:48,813 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 463 states. [2018-04-11 13:42:48,815 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 463 to 421. [2018-04-11 13:42:48,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 421 states. [2018-04-11 13:42:48,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 421 states to 421 states and 489 transitions. [2018-04-11 13:42:48,815 INFO L78 Accepts]: Start accepts. Automaton has 421 states and 489 transitions. Word has length 73 [2018-04-11 13:42:48,815 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 13:42:48,815 INFO L459 AbstractCegarLoop]: Abstraction has 421 states and 489 transitions. [2018-04-11 13:42:48,815 INFO L460 AbstractCegarLoop]: Interpolant automaton has 30 states. [2018-04-11 13:42:48,815 INFO L276 IsEmpty]: Start isEmpty. Operand 421 states and 489 transitions. [2018-04-11 13:42:48,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2018-04-11 13:42:48,816 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 13:42:48,816 INFO L355 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 13:42:48,816 INFO L408 AbstractCegarLoop]: === Iteration 71 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr29AssertViolationMEMORY_FREE, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr30AssertViolationMEMORY_FREE, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr32EnsuresViolationMEMORY_LEAK, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr31AssertViolationMEMORY_FREE, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr28AssertViolationMEMORY_FREE, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation]=== [2018-04-11 13:42:48,816 INFO L82 PathProgramCache]: Analyzing trace with hash 475162568, now seen corresponding path program 3 times [2018-04-11 13:42:48,816 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 13:42:48,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 13:42:48,823 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 13:42:49,501 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 0 proven. 35 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:42:49,501 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-11 13:42:49,501 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [29] total 29 [2018-04-11 13:42:49,501 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 13:42:49,502 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 13:42:49,502 INFO L182 omatonBuilderFactory]: Interpolants [45698#true, 45699#false, 45700#(= 0 |main_#t~malloc0.offset|), 45701#(= 0 main_~a~0.offset), 45702#(and (= 0 main_~a~0.offset) (= main_~p~0.offset 0) (= main_~p~0.base main_~a~0.base)), 45703#(and (= 0 main_~a~0.offset) (= main_~p~0.offset 0) (= (select |#valid| main_~p~0.base) 1) (= main_~p~0.base main_~a~0.base)), 45704#(and (= 0 main_~a~0.offset) (= main_~p~0.offset 0) (not (= main_~p~0.base |main_#t~malloc4.base|)) (= main_~p~0.base main_~a~0.base) (= 0 |main_#t~malloc4.offset|)), 45705#(and (= 0 main_~a~0.offset) (= 0 main_~t~0.offset) (= main_~p~0.offset 0) (not (= main_~p~0.base main_~t~0.base)) (= main_~p~0.base main_~a~0.base)), 45706#(and (= 0 main_~a~0.offset) (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= main_~p~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4))) (= (select |#valid| main_~p~0.base) 1) (= main_~p~0.base main_~a~0.base)), 45707#(and (not (= main_~a~0.base |main_#t~mem5.base|)) (= (select |#valid| main_~a~0.base) 1) (= 0 main_~a~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)) |main_#t~mem5.base|) (= 0 |main_#t~mem5.offset|)), 45708#(and (= (select |#valid| main_~a~0.base) 1) (= 0 main_~a~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~p~0.offset 0) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (not (= main_~p~0.base main_~a~0.base))), 45709#(and (= (select |#valid| main_~a~0.base) 1) (= 0 main_~a~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~p~0.offset 0) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (= (select |#valid| main_~p~0.base) 1) (not (= main_~p~0.base main_~a~0.base))), 45710#(and (not (= main_~p~0.base |main_#t~malloc9.base|)) (= 0 |main_#t~malloc9.offset|) (= 0 main_~a~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~p~0.offset 0) (not (= main_~a~0.base |main_#t~malloc9.base|)) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (not (= main_~p~0.base main_~a~0.base))), 45711#(and (= 0 main_~a~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~p~0.offset 0) (= 0 main_~t~0.offset) (not (= main_~p~0.base main_~t~0.base)) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (not (= main_~p~0.base main_~a~0.base)) (not (= main_~a~0.base main_~t~0.base))), 45712#(and (not (= main_~a~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= 0 main_~a~0.offset) (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~p~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4))) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))), 45713#(and (= 0 main_~a~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (not (= (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)) |main_#t~mem10.base|)) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (= |main_#t~mem10.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (not (= main_~a~0.base |main_#t~mem10.base|)) (= 0 |main_#t~mem10.offset|)), 45714#(and (= 0 main_~a~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (or (<= (+ main_~p~0.offset 1) 0) (and (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= main_~p~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (= main_~p~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))))) (not (= main_~p~0.base main_~a~0.base))), 45715#(and (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= 0 main_~a~0.offset) (= main_~p~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (= main_~p~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (not (= main_~p~0.base main_~a~0.base))), 45716#(and (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= 0 |main_#t~malloc9.offset|) (= 0 main_~a~0.offset) (= main_~p~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (= main_~p~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (= 8 (select |#length| |main_#t~malloc9.base|)) (not (= main_~p~0.base main_~a~0.base))), 45717#(and (= 8 (select |#length| main_~t~0.base)) (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= 0 main_~a~0.offset) (= main_~p~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= 0 main_~t~0.offset) (= main_~p~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (not (= main_~p~0.base main_~a~0.base))), 45718#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (+ 0 4))) (= 0 main_~a~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (+ 0 4))))), 45719#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) (+ 0 4))) (+ 0 4)))) (= main_~p~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) (+ 0 4))) (+ 0 4))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) (+ 0 4)))), 45720#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_#t~mem13.base|) (+ 0 4))) (+ 0 4)))) (= 0 |main_#t~mem13.offset|) (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem13.base|) (+ 0 4))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |main_#t~mem13.base|) (+ 0 4))) (+ 0 4)))), 45721#(or (and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) (+ 0 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) (+ 0 4)))) (<= (+ main_~p~0.offset 1) 0)), 45722#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) (+ 0 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) (+ 0 4)))), 45723#(and (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem16.base|) (+ 0 4))) (= 0 |main_#t~mem16.offset|) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| |main_#t~mem16.base|) (+ 0 4))))), 45724#(or (<= (+ main_~p~0.offset 1) 0) (and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= main_~p~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4))))), 45725#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= main_~p~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4)))), 45726#(and (= 0 |main_#t~mem16.offset|) (= 8 (select |#length| |main_#t~mem16.base|))), 45727#(and (= main_~p~0.offset 0) (= 8 (select |#length| main_~p~0.base)))] [2018-04-11 13:42:49,502 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 0 proven. 35 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:42:49,502 INFO L442 AbstractCegarLoop]: Interpolant automaton has 30 states [2018-04-11 13:42:49,502 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2018-04-11 13:42:49,502 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=87, Invalid=783, Unknown=0, NotChecked=0, Total=870 [2018-04-11 13:42:49,502 INFO L87 Difference]: Start difference. First operand 421 states and 489 transitions. Second operand 30 states. [2018-04-11 13:42:50,763 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 13:42:50,763 INFO L93 Difference]: Finished difference Result 489 states and 558 transitions. [2018-04-11 13:42:50,796 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2018-04-11 13:42:50,796 INFO L78 Accepts]: Start accepts. Automaton has 30 states. Word has length 73 [2018-04-11 13:42:50,796 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 13:42:50,797 INFO L225 Difference]: With dead ends: 489 [2018-04-11 13:42:50,797 INFO L226 Difference]: Without dead ends: 489 [2018-04-11 13:42:50,797 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 54 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 669 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=359, Invalid=2721, Unknown=0, NotChecked=0, Total=3080 [2018-04-11 13:42:50,797 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 489 states. [2018-04-11 13:42:50,799 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 489 to 411. [2018-04-11 13:42:50,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 411 states. [2018-04-11 13:42:50,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 411 states to 411 states and 479 transitions. [2018-04-11 13:42:50,800 INFO L78 Accepts]: Start accepts. Automaton has 411 states and 479 transitions. Word has length 73 [2018-04-11 13:42:50,800 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 13:42:50,800 INFO L459 AbstractCegarLoop]: Abstraction has 411 states and 479 transitions. [2018-04-11 13:42:50,800 INFO L460 AbstractCegarLoop]: Interpolant automaton has 30 states. [2018-04-11 13:42:50,800 INFO L276 IsEmpty]: Start isEmpty. Operand 411 states and 479 transitions. [2018-04-11 13:42:50,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2018-04-11 13:42:50,800 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 13:42:50,801 INFO L355 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 13:42:50,801 INFO L408 AbstractCegarLoop]: === Iteration 72 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr29AssertViolationMEMORY_FREE, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr30AssertViolationMEMORY_FREE, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr32EnsuresViolationMEMORY_LEAK, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr31AssertViolationMEMORY_FREE, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr28AssertViolationMEMORY_FREE, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation]=== [2018-04-11 13:42:50,801 INFO L82 PathProgramCache]: Analyzing trace with hash 481963642, now seen corresponding path program 6 times [2018-04-11 13:42:50,801 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 13:42:50,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 13:42:50,807 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 13:42:51,413 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:42:51,413 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-11 13:42:51,413 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [29] total 29 [2018-04-11 13:42:51,413 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 13:42:51,414 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 13:42:51,414 INFO L182 omatonBuilderFactory]: Interpolants [46680#true, 46681#false, 46682#(= 0 |main_#t~malloc0.offset|), 46683#(= 0 main_~a~0.offset), 46684#(and (= 0 main_~a~0.offset) (= main_~p~0.offset 0) (= main_~p~0.base main_~a~0.base)), 46685#(and (= 0 main_~a~0.offset) (= main_~p~0.offset 0) (= (select |#valid| main_~p~0.base) 1) (= main_~p~0.base main_~a~0.base)), 46686#(and (= (select |#valid| |main_#t~malloc4.base|) 1) (= 0 main_~a~0.offset) (= main_~p~0.offset 0) (not (= main_~p~0.base |main_#t~malloc4.base|)) (= main_~p~0.base main_~a~0.base) (= 0 |main_#t~malloc4.offset|)), 46687#(and (= 0 main_~a~0.offset) (= 0 main_~t~0.offset) (= main_~p~0.offset 0) (not (= main_~p~0.base main_~t~0.base)) (= main_~p~0.base main_~a~0.base) (= (select |#valid| main_~t~0.base) 1)), 46688#(and (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) 1) (= 0 main_~a~0.offset) (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= main_~p~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4))) (= (select |#valid| main_~p~0.base) 1) (= main_~p~0.base main_~a~0.base)), 46689#(and (not (= main_~a~0.base |main_#t~mem5.base|)) (= (select |#valid| main_~a~0.base) 1) (= 0 main_~a~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)) |main_#t~mem5.base|) (= (select |#valid| |main_#t~mem5.base|) 1) (= 0 |main_#t~mem5.offset|)), 46690#(and (= (select |#valid| main_~a~0.base) 1) (= 0 main_~a~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (or (<= (+ main_~p~0.offset 1) 0) (= main_~p~0.offset 0)) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (= (select |#valid| main_~p~0.base) 1) (not (= main_~p~0.base main_~a~0.base))), 46691#(and (= (select |#valid| main_~a~0.base) 1) (= 0 main_~a~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~p~0.offset 0) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (= (select |#valid| main_~p~0.base) 1) (not (= main_~p~0.base main_~a~0.base))), 46692#(and (not (= main_~a~0.base |main_#t~malloc4.base|)) (= 0 main_~a~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~p~0.offset 0) (not (= main_~p~0.base |main_#t~malloc4.base|)) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (not (= main_~p~0.base main_~a~0.base)) (= 0 |main_#t~malloc4.offset|)), 46693#(and (= 0 main_~a~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= 0 main_~t~0.offset) (= main_~p~0.offset 0) (not (= main_~p~0.base main_~t~0.base)) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (not (= main_~p~0.base main_~a~0.base)) (not (= main_~a~0.base main_~t~0.base))), 46694#(and (not (= main_~a~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= 0 main_~a~0.offset) (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~p~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4))) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))), 46695#(and (not (= main_~a~0.base |main_#t~mem5.base|)) (= 0 main_~a~0.offset) (not (= (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)) |main_#t~mem5.base|)) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= |main_#t~mem5.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (= 0 |main_#t~mem5.offset|)), 46696#(and (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= 0 main_~a~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (not (= main_~p~0.base main_~a~0.base)) (or (and (= main_~p~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (= main_~p~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4)))) (<= (+ main_~p~0.offset 1) 0))), 46697#(and (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= 0 main_~a~0.offset) (= main_~p~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (= main_~p~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (not (= main_~p~0.base main_~a~0.base))), 46698#(and (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= 0 main_~a~0.offset) (= main_~p~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (= 1 (select |#valid| |main_#t~malloc9.base|)) (= main_~p~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (not (= main_~p~0.base main_~a~0.base))), 46699#(and (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= 0 main_~a~0.offset) (= main_~p~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (= main_~p~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (not (= main_~p~0.base main_~a~0.base)) (= 1 (select |#valid| main_~t~0.base))), 46700#(and (= 0 main_~a~0.offset) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (+ 0 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4)))), 46701#(and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) (+ 0 4))) (+ 0 4)))) (= main_~p~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) (+ 0 4)))), 46702#(and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_#t~mem13.base|) (+ 0 4))) (+ 0 4)))) (= 0 |main_#t~mem13.offset|) (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem13.base|) (+ 0 4)))), 46703#(or (and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) (+ 0 4)))) (= main_~p~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4)))) (<= (+ main_~p~0.offset 1) 0)), 46704#(and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) (+ 0 4)))) (= main_~p~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4)))), 46705#(and (= 0 |main_#t~mem13.offset|) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| |main_#t~mem13.base|) (+ 0 4))))), 46706#(or (<= (+ main_~p~0.offset 1) 0) (and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= main_~p~0.offset 0))), 46707#(and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= main_~p~0.offset 0)), 46708#(= 1 (select |#valid| |main_#t~mem16.base|)), 46709#(= 1 (select |#valid| main_~p~0.base))] [2018-04-11 13:42:51,414 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:42:51,414 INFO L442 AbstractCegarLoop]: Interpolant automaton has 30 states [2018-04-11 13:42:51,414 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2018-04-11 13:42:51,414 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=93, Invalid=777, Unknown=0, NotChecked=0, Total=870 [2018-04-11 13:42:51,414 INFO L87 Difference]: Start difference. First operand 411 states and 479 transitions. Second operand 30 states. [2018-04-11 13:42:52,676 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 13:42:52,676 INFO L93 Difference]: Finished difference Result 460 states and 528 transitions. [2018-04-11 13:42:52,676 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2018-04-11 13:42:52,676 INFO L78 Accepts]: Start accepts. Automaton has 30 states. Word has length 73 [2018-04-11 13:42:52,676 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 13:42:52,677 INFO L225 Difference]: With dead ends: 460 [2018-04-11 13:42:52,677 INFO L226 Difference]: Without dead ends: 460 [2018-04-11 13:42:52,677 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 57 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 761 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=446, Invalid=2976, Unknown=0, NotChecked=0, Total=3422 [2018-04-11 13:42:52,678 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 460 states. [2018-04-11 13:42:52,679 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 460 to 416. [2018-04-11 13:42:52,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 416 states. [2018-04-11 13:42:52,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 416 states to 416 states and 484 transitions. [2018-04-11 13:42:52,680 INFO L78 Accepts]: Start accepts. Automaton has 416 states and 484 transitions. Word has length 73 [2018-04-11 13:42:52,680 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 13:42:52,680 INFO L459 AbstractCegarLoop]: Abstraction has 416 states and 484 transitions. [2018-04-11 13:42:52,680 INFO L460 AbstractCegarLoop]: Interpolant automaton has 30 states. [2018-04-11 13:42:52,680 INFO L276 IsEmpty]: Start isEmpty. Operand 416 states and 484 transitions. [2018-04-11 13:42:52,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2018-04-11 13:42:52,681 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 13:42:52,681 INFO L355 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 13:42:52,681 INFO L408 AbstractCegarLoop]: === Iteration 73 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr29AssertViolationMEMORY_FREE, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr30AssertViolationMEMORY_FREE, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr32EnsuresViolationMEMORY_LEAK, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr31AssertViolationMEMORY_FREE, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr28AssertViolationMEMORY_FREE, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation]=== [2018-04-11 13:42:52,681 INFO L82 PathProgramCache]: Analyzing trace with hash 481963643, now seen corresponding path program 4 times [2018-04-11 13:42:52,681 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 13:42:52,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 13:42:52,689 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 13:42:53,571 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:42:53,571 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-11 13:42:53,571 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [29] total 29 [2018-04-11 13:42:53,571 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 13:42:53,571 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 13:42:53,571 INFO L182 omatonBuilderFactory]: Interpolants [47644#true, 47645#false, 47646#(= 0 |main_#t~malloc0.offset|), 47647#(= 0 main_~a~0.offset), 47648#(and (= 0 main_~a~0.offset) (= main_~p~0.offset 0) (= main_~p~0.base main_~a~0.base)), 47649#(and (= 0 main_~a~0.offset) (= main_~p~0.offset 0) (= (select |#valid| main_~p~0.base) 1) (= main_~p~0.base main_~a~0.base)), 47650#(and (= (select |#valid| |main_#t~malloc4.base|) 1) (= 0 main_~a~0.offset) (= main_~p~0.offset 0) (not (= main_~p~0.base |main_#t~malloc4.base|)) (= main_~p~0.base main_~a~0.base) (= 0 |main_#t~malloc4.offset|)), 47651#(and (= 0 main_~a~0.offset) (= 0 main_~t~0.offset) (= main_~p~0.offset 0) (not (= main_~p~0.base main_~t~0.base)) (= main_~p~0.base main_~a~0.base) (= (select |#valid| main_~t~0.base) 1)), 47652#(and (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) 1) (= 0 main_~a~0.offset) (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= main_~p~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4))) (= (select |#valid| main_~p~0.base) 1) (= main_~p~0.base main_~a~0.base)), 47653#(and (not (= main_~a~0.base |main_#t~mem5.base|)) (= (select |#valid| main_~a~0.base) 1) (= 0 main_~a~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)) |main_#t~mem5.base|) (= (select |#valid| |main_#t~mem5.base|) 1) (= 0 |main_#t~mem5.offset|)), 47654#(and (= (select |#valid| main_~a~0.base) 1) (= 0 main_~a~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (not (= main_~p~0.base main_~a~0.base)) (or (<= (+ main_~p~0.offset 1) 0) (and (= main_~p~0.offset 0) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (= (select |#valid| main_~p~0.base) 1)))), 47655#(and (= (select |#valid| main_~a~0.base) 1) (= 0 main_~a~0.offset) (= main_~p~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (= (select |#valid| main_~p~0.base) 1) (not (= main_~p~0.base main_~a~0.base))), 47656#(and (not (= main_~a~0.base |main_#t~malloc4.base|)) (= 0 main_~a~0.offset) (= main_~p~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (not (= main_~p~0.base |main_#t~malloc4.base|)) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (not (= main_~p~0.base main_~a~0.base)) (= 0 |main_#t~malloc4.offset|)), 47657#(and (= 0 main_~a~0.offset) (= 0 main_~t~0.offset) (= main_~p~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (not (= main_~p~0.base main_~t~0.base)) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (not (= main_~p~0.base main_~a~0.base)) (not (= main_~a~0.base main_~t~0.base))), 47658#(and (not (= main_~a~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= 0 main_~a~0.offset) (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= main_~p~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4))) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))), 47659#(and (not (= main_~a~0.base |main_#t~mem5.base|)) (= 0 main_~a~0.offset) (not (= (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)) |main_#t~mem5.base|)) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= |main_#t~mem5.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (= 0 |main_#t~mem5.offset|)), 47660#(and (= 0 main_~a~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (or (<= (+ main_~p~0.offset 1) 0) (and (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= main_~p~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (= main_~p~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))))) (not (= main_~p~0.base main_~a~0.base))), 47661#(and (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= 0 main_~a~0.offset) (= main_~p~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (= main_~p~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (not (= main_~p~0.base main_~a~0.base))), 47662#(and (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= 0 |main_#t~malloc9.offset|) (= 0 main_~a~0.offset) (= main_~p~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (= main_~p~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (= 8 (select |#length| |main_#t~malloc9.base|)) (not (= main_~p~0.base main_~a~0.base))), 47663#(and (= 8 (select |#length| main_~t~0.base)) (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= 0 main_~a~0.offset) (= main_~p~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= 0 main_~t~0.offset) (= main_~p~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (not (= main_~p~0.base main_~a~0.base))), 47664#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (+ 0 4))) (= 0 main_~a~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (+ 0 4))))), 47665#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) (+ 0 4))) (+ 0 4)))) (= main_~p~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) (+ 0 4))) (+ 0 4))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) (+ 0 4)))), 47666#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_#t~mem13.base|) (+ 0 4))) (+ 0 4)))) (= 0 |main_#t~mem13.offset|) (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem13.base|) (+ 0 4))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |main_#t~mem13.base|) (+ 0 4))) (+ 0 4)))), 47667#(or (and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) (+ 0 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) (+ 0 4)))) (<= (+ main_~p~0.offset 1) 0)), 47668#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) (+ 0 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) (+ 0 4)))), 47669#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| |main_#t~mem13.base|) (+ 0 4)))) (= 0 |main_#t~mem13.offset|) (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem13.base|) (+ 0 4)))), 47670#(or (<= (+ main_~p~0.offset 1) 0) (and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= main_~p~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4))))), 47671#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= main_~p~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4)))), 47672#(and (= 0 |main_#t~mem16.offset|) (= 8 (select |#length| |main_#t~mem16.base|))), 47673#(and (= main_~p~0.offset 0) (= 8 (select |#length| main_~p~0.base)))] [2018-04-11 13:42:53,572 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:42:53,572 INFO L442 AbstractCegarLoop]: Interpolant automaton has 30 states [2018-04-11 13:42:53,572 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2018-04-11 13:42:53,572 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=87, Invalid=783, Unknown=0, NotChecked=0, Total=870 [2018-04-11 13:42:53,572 INFO L87 Difference]: Start difference. First operand 416 states and 484 transitions. Second operand 30 states. [2018-04-11 13:42:54,894 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 13:42:54,894 INFO L93 Difference]: Finished difference Result 484 states and 553 transitions. [2018-04-11 13:42:54,894 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2018-04-11 13:42:54,895 INFO L78 Accepts]: Start accepts. Automaton has 30 states. Word has length 73 [2018-04-11 13:42:54,895 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 13:42:54,896 INFO L225 Difference]: With dead ends: 484 [2018-04-11 13:42:54,896 INFO L226 Difference]: Without dead ends: 484 [2018-04-11 13:42:54,896 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 53 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 641 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=348, Invalid=2622, Unknown=0, NotChecked=0, Total=2970 [2018-04-11 13:42:54,896 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 484 states. [2018-04-11 13:42:54,898 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 484 to 411. [2018-04-11 13:42:54,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 411 states. [2018-04-11 13:42:54,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 411 states to 411 states and 479 transitions. [2018-04-11 13:42:54,899 INFO L78 Accepts]: Start accepts. Automaton has 411 states and 479 transitions. Word has length 73 [2018-04-11 13:42:54,899 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 13:42:54,899 INFO L459 AbstractCegarLoop]: Abstraction has 411 states and 479 transitions. [2018-04-11 13:42:54,899 INFO L460 AbstractCegarLoop]: Interpolant automaton has 30 states. [2018-04-11 13:42:54,899 INFO L276 IsEmpty]: Start isEmpty. Operand 411 states and 479 transitions. [2018-04-11 13:42:54,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2018-04-11 13:42:54,899 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 13:42:54,899 INFO L355 BasicCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 13:42:54,899 INFO L408 AbstractCegarLoop]: === Iteration 74 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr29AssertViolationMEMORY_FREE, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr30AssertViolationMEMORY_FREE, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr32EnsuresViolationMEMORY_LEAK, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr31AssertViolationMEMORY_FREE, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr28AssertViolationMEMORY_FREE, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation]=== [2018-04-11 13:42:54,900 INFO L82 PathProgramCache]: Analyzing trace with hash -766168604, now seen corresponding path program 5 times [2018-04-11 13:42:54,900 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 13:42:54,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 13:42:54,907 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 13:42:55,467 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-04-11 13:42:55,467 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-11 13:42:55,467 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [31] total 31 [2018-04-11 13:42:55,467 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 13:42:55,467 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 13:42:55,467 INFO L182 omatonBuilderFactory]: Interpolants [48640#(and (= 0 main_~a~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= 1 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4)))) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4)) |main_#t~mem5.base|))), 48641#(and (= 0 main_~a~0.offset) (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= 1 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))))), 48642#(and (= 0 main_~a~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= 1 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))))), 48643#(and (= main_~p~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4))) (= 1 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) (+ 0 4))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) (+ 0 4))))), 48644#(and (= 0 |main_#t~mem13.offset|) (= 1 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |main_#t~mem13.base|) (+ 0 4))) (select (select |#memory_$Pointer$.offset| |main_#t~mem13.base|) (+ 0 4))))), 48645#(or (and (= main_~p~0.offset 0) (= 1 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4))))) (<= (+ main_~p~0.offset 1) 0)), 48646#(and (= main_~p~0.offset 0) (= 1 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4))))), 48647#(= 1 (select (select |#memory_int| |main_#t~mem13.base|) |main_#t~mem13.offset|)), 48648#(= 1 (select (select |#memory_int| main_~p~0.base) main_~p~0.offset)), 48649#(and (= |main_#t~mem11| (select (select |#memory_int| main_~p~0.base) main_~p~0.offset)) (= 1 (select (select |#memory_int| main_~p~0.base) main_~p~0.offset))), 48619#true, 48620#false, 48621#(= 0 |main_#t~malloc0.offset|), 48622#(= 0 main_~a~0.offset), 48623#(and (= 0 main_~a~0.offset) (= main_~p~0.offset 0) (= main_~p~0.base main_~a~0.base)), 48624#(and (= 0 main_~a~0.offset) (= main_~p~0.offset 0) (= (select |#valid| main_~p~0.base) 1) (= main_~p~0.base main_~a~0.base)), 48625#(and (= (select |#valid| |main_#t~malloc4.base|) 1) (= 0 main_~a~0.offset) (= main_~p~0.offset 0) (not (= main_~p~0.base |main_#t~malloc4.base|)) (= main_~p~0.base main_~a~0.base) (= 0 |main_#t~malloc4.offset|)), 48626#(and (= 0 main_~a~0.offset) (= 0 main_~t~0.offset) (= main_~p~0.offset 0) (not (= main_~p~0.base main_~t~0.base)) (= main_~p~0.base main_~a~0.base) (= (select |#valid| main_~t~0.base) 1)), 48627#(and (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) 1) (= 0 main_~a~0.offset) (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= main_~p~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4))) (= (select |#valid| main_~p~0.base) 1) (= main_~p~0.base main_~a~0.base)), 48628#(and (not (= main_~a~0.base |main_#t~mem5.base|)) (= (select |#valid| main_~a~0.base) 1) (= 0 main_~a~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)) |main_#t~mem5.base|) (= (select |#valid| |main_#t~mem5.base|) 1) (= 0 |main_#t~mem5.offset|)), 48629#(and (= (select |#valid| main_~a~0.base) 1) (or (<= (+ main_~p~0.offset 1) 0) (= 0 main_~p~0.offset)) (= 0 main_~a~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (= (select |#valid| main_~p~0.base) 1) (not (= main_~p~0.base main_~a~0.base))), 48630#(and (= (select |#valid| main_~a~0.base) 1) (= 0 main_~a~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= 0 main_~p~0.offset) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (= (select |#valid| main_~p~0.base) 1) (not (= main_~p~0.base main_~a~0.base))), 48631#(and (= (select |#valid| |main_#t~malloc4.base|) 1) (not (= main_~a~0.base |main_#t~malloc4.base|)) (= 0 main_~a~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (not (= main_~p~0.base |main_#t~malloc4.base|)) (= 0 main_~p~0.offset) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (not (= main_~p~0.base main_~a~0.base))), 48632#(and (= 0 main_~a~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (not (= main_~p~0.base main_~t~0.base)) (= 0 main_~p~0.offset) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (not (= main_~p~0.base main_~a~0.base)) (not (= main_~a~0.base main_~t~0.base)) (= (select |#valid| main_~t~0.base) 1)), 48633#(and (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) 1) (not (= main_~a~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= 0 main_~a~0.offset) (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~p~0.offset 0) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))), 48634#(and (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4)) |main_#t~mem5.base|) (not (= main_~a~0.base |main_#t~mem5.base|)) (= 0 main_~a~0.offset) (not (= (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)) |main_#t~mem5.base|)) (= |main_#t~mem5.offset| (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= (select |#valid| |main_#t~mem5.base|) 1)), 48635#(and (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= main_~p~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (= 0 main_~a~0.offset) (= main_~p~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= (select |#valid| main_~p~0.base) 1) (not (= main_~p~0.base main_~a~0.base))), 48636#(and (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= 1 (select (select |#memory_int| main_~p~0.base) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4)))) (= 0 main_~a~0.offset) (= main_~p~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= (select |#valid| main_~p~0.base) 1) (not (= main_~p~0.base main_~a~0.base))), 48637#(and (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= 1 (select (select |#memory_int| main_~p~0.base) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4)))) (= 0 main_~a~0.offset) (= main_~p~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (not (= main_~p~0.base |main_#t~malloc4.base|)) (not (= main_~p~0.base main_~a~0.base))), 48638#(and (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= 1 (select (select |#memory_int| main_~p~0.base) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4)))) (= 0 main_~a~0.offset) (= main_~p~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (not (= main_~p~0.base main_~t~0.base)) (not (= main_~p~0.base main_~a~0.base))), 48639#(and (= 1 (select (select |#memory_int| main_~p~0.base) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4)))) (= 0 main_~a~0.offset) (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= main_~p~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))))] [2018-04-11 13:42:55,467 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-04-11 13:42:55,468 INFO L442 AbstractCegarLoop]: Interpolant automaton has 31 states [2018-04-11 13:42:55,468 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2018-04-11 13:42:55,468 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=93, Invalid=837, Unknown=0, NotChecked=0, Total=930 [2018-04-11 13:42:55,468 INFO L87 Difference]: Start difference. First operand 411 states and 479 transitions. Second operand 31 states. [2018-04-11 13:42:56,970 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 13:42:56,970 INFO L93 Difference]: Finished difference Result 483 states and 553 transitions. [2018-04-11 13:42:56,971 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2018-04-11 13:42:56,971 INFO L78 Accepts]: Start accepts. Automaton has 31 states. Word has length 73 [2018-04-11 13:42:56,971 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 13:42:56,972 INFO L225 Difference]: With dead ends: 483 [2018-04-11 13:42:56,972 INFO L226 Difference]: Without dead ends: 483 [2018-04-11 13:42:56,972 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 60 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 777 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=464, Invalid=3318, Unknown=0, NotChecked=0, Total=3782 [2018-04-11 13:42:56,972 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 483 states. [2018-04-11 13:42:56,974 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 483 to 408. [2018-04-11 13:42:56,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 408 states. [2018-04-11 13:42:56,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 408 states to 408 states and 475 transitions. [2018-04-11 13:42:56,975 INFO L78 Accepts]: Start accepts. Automaton has 408 states and 475 transitions. Word has length 73 [2018-04-11 13:42:56,975 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 13:42:56,975 INFO L459 AbstractCegarLoop]: Abstraction has 408 states and 475 transitions. [2018-04-11 13:42:56,975 INFO L460 AbstractCegarLoop]: Interpolant automaton has 31 states. [2018-04-11 13:42:56,975 INFO L276 IsEmpty]: Start isEmpty. Operand 408 states and 475 transitions. [2018-04-11 13:42:56,976 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2018-04-11 13:42:56,976 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 13:42:56,976 INFO L355 BasicCegarLoop]: trace histogram [5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 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] [2018-04-11 13:42:56,976 INFO L408 AbstractCegarLoop]: === Iteration 75 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr29AssertViolationMEMORY_FREE, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr30AssertViolationMEMORY_FREE, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr32EnsuresViolationMEMORY_LEAK, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr31AssertViolationMEMORY_FREE, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr28AssertViolationMEMORY_FREE, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation]=== [2018-04-11 13:42:56,976 INFO L82 PathProgramCache]: Analyzing trace with hash -929146862, now seen corresponding path program 9 times [2018-04-11 13:42:56,976 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 13:42:56,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 13:42:56,985 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 13:42:57,382 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 84 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:42:57,382 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-11 13:42:57,383 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [29] total 29 [2018-04-11 13:42:57,383 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 13:42:57,383 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 13:42:57,383 INFO L182 omatonBuilderFactory]: Interpolants [49603#true, 49604#false, 49605#(= 0 |main_#t~malloc0.offset|), 49606#(= 0 main_~a~0.offset), 49607#(and (= 0 main_~a~0.offset) (= main_~p~0.offset 0) (= main_~p~0.base main_~a~0.base)), 49608#(and (= 0 main_~a~0.offset) (= main_~p~0.offset 0) (= (select |#valid| main_~p~0.base) 1) (= main_~p~0.base main_~a~0.base)), 49609#(and (not (= main_~p~0.base |main_#t~malloc9.base|)) (= 0 main_~a~0.offset) (= main_~p~0.offset 0) (= main_~p~0.base main_~a~0.base)), 49610#(and (= 0 main_~a~0.offset) (= main_~p~0.offset 0) (not (= main_~p~0.base main_~t~0.base)) (= main_~p~0.base main_~a~0.base)), 49611#(and (= 0 main_~a~0.offset) (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= main_~p~0.offset 0) (= (select |#valid| main_~p~0.base) 1) (= main_~p~0.base main_~a~0.base)), 49612#(and (= (select |#valid| main_~a~0.base) 1) (= 0 main_~a~0.offset) (not (= main_~a~0.base |main_#t~mem10.base|)) (= |main_#t~mem10.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))), 49613#(and (= (select |#valid| main_~a~0.base) 1) (= 0 main_~a~0.offset) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (not (= main_~p~0.base main_~a~0.base))), 49614#(and (= (select |#valid| main_~a~0.base) 1) (= 0 main_~a~0.offset) (not (= main_~a~0.base |main_#t~malloc9.base|)) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (not (= main_~p~0.base main_~a~0.base))), 49615#(and (= (select |#valid| main_~a~0.base) 1) (= 0 main_~a~0.offset) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (not (= main_~p~0.base main_~a~0.base)) (not (= main_~a~0.base main_~t~0.base))), 49616#(and (not (= main_~a~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= (select |#valid| main_~a~0.base) 1) (= 0 main_~a~0.offset) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (= (select |#valid| main_~p~0.base) 1)), 49617#(and (= (select |#valid| main_~a~0.base) 1) (= 0 main_~a~0.offset) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) 1) (not (= main_~a~0.base |main_#t~mem10.base|))), 49618#(and (= (select |#valid| main_~a~0.base) 1) (= 0 main_~a~0.offset) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) 1) (not (= main_~p~0.base main_~a~0.base))), 49619#(and (= 0 main_~a~0.offset) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (not (= main_~a~0.base |main_#t~malloc9.base|)) (not (= main_~p~0.base main_~a~0.base))), 49620#(and (= 0 main_~a~0.offset) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (not (= main_~p~0.base main_~a~0.base)) (not (= main_~a~0.base main_~t~0.base))), 49621#(and (not (= main_~a~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= 0 main_~a~0.offset) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))))), 49622#(and (= 0 main_~a~0.offset) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (not (= main_~a~0.base |main_#t~mem10.base|))), 49623#(and (= 0 main_~a~0.offset) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (not (= main_~p~0.base main_~a~0.base))), 49624#(and (= 0 main_~a~0.offset) (or (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= |main_#t~malloc9.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (not (= main_~p~0.base main_~a~0.base))), 49625#(and (or (= main_~t~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))))) (= 0 main_~a~0.offset) (not (= main_~p~0.base main_~a~0.base))), 49626#(and (= 0 main_~a~0.offset) (or (= (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)) (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))))), 49627#(and (= 0 main_~a~0.offset) (or (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= |main_#t~mem10.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))))), 49628#(and (= 0 main_~a~0.offset) (or (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))))), 49629#(and (= 0 main_~a~0.offset) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))))), 49630#(and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= main_~p~0.offset 0)), 49631#(= 1 (select |#valid| |main_#t~mem16.base|)), 49632#(= 1 (select |#valid| main_~p~0.base))] [2018-04-11 13:42:57,383 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 84 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:42:57,383 INFO L442 AbstractCegarLoop]: Interpolant automaton has 30 states [2018-04-11 13:42:57,383 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2018-04-11 13:42:57,383 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=147, Invalid=723, Unknown=0, NotChecked=0, Total=870 [2018-04-11 13:42:57,383 INFO L87 Difference]: Start difference. First operand 408 states and 475 transitions. Second operand 30 states. [2018-04-11 13:42:58,115 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 13:42:58,115 INFO L93 Difference]: Finished difference Result 478 states and 550 transitions. [2018-04-11 13:42:58,115 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2018-04-11 13:42:58,115 INFO L78 Accepts]: Start accepts. Automaton has 30 states. Word has length 74 [2018-04-11 13:42:58,115 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 13:42:58,116 INFO L225 Difference]: With dead ends: 478 [2018-04-11 13:42:58,116 INFO L226 Difference]: Without dead ends: 478 [2018-04-11 13:42:58,117 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 519 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=535, Invalid=2221, Unknown=0, NotChecked=0, Total=2756 [2018-04-11 13:42:58,117 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 478 states. [2018-04-11 13:42:58,119 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 478 to 413. [2018-04-11 13:42:58,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 413 states. [2018-04-11 13:42:58,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 413 states to 413 states and 480 transitions. [2018-04-11 13:42:58,119 INFO L78 Accepts]: Start accepts. Automaton has 413 states and 480 transitions. Word has length 74 [2018-04-11 13:42:58,119 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 13:42:58,119 INFO L459 AbstractCegarLoop]: Abstraction has 413 states and 480 transitions. [2018-04-11 13:42:58,119 INFO L460 AbstractCegarLoop]: Interpolant automaton has 30 states. [2018-04-11 13:42:58,120 INFO L276 IsEmpty]: Start isEmpty. Operand 413 states and 480 transitions. [2018-04-11 13:42:58,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2018-04-11 13:42:58,120 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 13:42:58,120 INFO L355 BasicCegarLoop]: trace histogram [5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 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] [2018-04-11 13:42:58,120 INFO L408 AbstractCegarLoop]: === Iteration 76 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr29AssertViolationMEMORY_FREE, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr30AssertViolationMEMORY_FREE, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr32EnsuresViolationMEMORY_LEAK, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr31AssertViolationMEMORY_FREE, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr28AssertViolationMEMORY_FREE, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation]=== [2018-04-11 13:42:58,120 INFO L82 PathProgramCache]: Analyzing trace with hash -929146861, now seen corresponding path program 7 times [2018-04-11 13:42:58,121 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 13:42:58,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 13:42:58,129 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 13:42:58,494 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 84 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:42:58,495 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-11 13:42:58,495 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [24] total 24 [2018-04-11 13:42:58,495 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 13:42:58,495 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 13:42:58,495 INFO L182 omatonBuilderFactory]: Interpolants [50570#true, 50571#false, 50572#(= 0 |main_#t~malloc0.offset|), 50573#(= 0 main_~a~0.offset), 50574#(and (= 0 main_~a~0.offset) (= main_~p~0.offset 0) (= main_~p~0.base main_~a~0.base)), 50575#(and (= 0 main_~a~0.offset) (= main_~p~0.offset 0) (= (select |#valid| main_~p~0.base) 1) (= main_~p~0.base main_~a~0.base)), 50576#(and (not (= main_~p~0.base |main_#t~malloc9.base|)) (= 0 |main_#t~malloc9.offset|) (= 0 main_~a~0.offset) (= main_~p~0.offset 0) (= 8 (select |#length| |main_#t~malloc9.base|)) (= main_~p~0.base main_~a~0.base)), 50577#(and (= 8 (select |#length| main_~t~0.base)) (= 0 main_~a~0.offset) (= 0 main_~t~0.offset) (= main_~p~0.offset 0) (not (= main_~p~0.base main_~t~0.base)) (= main_~p~0.base main_~a~0.base)), 50578#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= 0 main_~a~0.offset) (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= main_~p~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4))) (= (select |#valid| main_~p~0.base) 1) (= main_~p~0.base main_~a~0.base)), 50579#(and (= (select |#valid| main_~a~0.base) 1) (= 0 main_~a~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= 8 (select |#length| |main_#t~mem10.base|)) (not (= main_~a~0.base |main_#t~mem10.base|)) (= |main_#t~mem10.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (= 0 |main_#t~mem10.offset|)), 50580#(and (= (select |#valid| main_~a~0.base) 1) (= 0 main_~a~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~p~0.offset 0) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (not (= main_~p~0.base main_~a~0.base)) (= 8 (select |#length| main_~p~0.base))), 50581#(and (= (select |#valid| main_~a~0.base) 1) (= 0 main_~a~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~p~0.offset 0) (not (= main_~a~0.base |main_#t~malloc9.base|)) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (= 8 (select |#length| main_~p~0.base)) (not (= main_~p~0.base main_~a~0.base))), 50582#(and (= (select |#valid| main_~a~0.base) 1) (= 0 main_~a~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~p~0.offset 0) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (not (= main_~p~0.base main_~a~0.base)) (= 8 (select |#length| main_~p~0.base)) (not (= main_~a~0.base main_~t~0.base))), 50583#(and (= (select |#length| main_~p~0.base) 8) (not (= main_~a~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= (select |#valid| main_~a~0.base) 1) (= 0 main_~a~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~p~0.offset 0) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (= (select |#valid| main_~p~0.base) 1)), 50584#(and (= (select |#valid| main_~a~0.base) 1) (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= 0 main_~a~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) 1) (not (= main_~a~0.base |main_#t~mem10.base|))), 50585#(and (= (select |#valid| main_~a~0.base) 1) (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= 0 main_~a~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) 1) (not (= main_~p~0.base main_~a~0.base))), 50586#(and (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= 0 main_~a~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (not (= main_~a~0.base |main_#t~malloc9.base|)) (not (= main_~p~0.base main_~a~0.base))), 50587#(and (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= 0 main_~a~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (not (= main_~p~0.base main_~a~0.base)) (not (= main_~a~0.base main_~t~0.base))), 50588#(and (not (= main_~a~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= 0 main_~a~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4)))), 50589#(and (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= 0 main_~a~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (not (= main_~a~0.base |main_#t~mem10.base|))), 50590#(and (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= 0 main_~a~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (not (= main_~p~0.base main_~a~0.base))), 50591#(and (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= 0 main_~a~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4)))), 50592#(and (= main_~p~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4))) (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))))), 50593#(and (<= 8 (select |#length| |main_#t~mem16.base|)) (= 0 |main_#t~mem16.offset|)), 50594#(and (= main_~p~0.offset 0) (<= 8 (select |#length| main_~p~0.base)))] [2018-04-11 13:42:58,495 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 84 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:42:58,495 INFO L442 AbstractCegarLoop]: Interpolant automaton has 25 states [2018-04-11 13:42:58,495 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2018-04-11 13:42:58,496 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=105, Invalid=495, Unknown=0, NotChecked=0, Total=600 [2018-04-11 13:42:58,496 INFO L87 Difference]: Start difference. First operand 413 states and 480 transitions. Second operand 25 states. [2018-04-11 13:42:59,242 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 13:42:59,242 INFO L93 Difference]: Finished difference Result 493 states and 564 transitions. [2018-04-11 13:42:59,242 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2018-04-11 13:42:59,242 INFO L78 Accepts]: Start accepts. Automaton has 25 states. Word has length 74 [2018-04-11 13:42:59,243 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 13:42:59,244 INFO L225 Difference]: With dead ends: 493 [2018-04-11 13:42:59,244 INFO L226 Difference]: Without dead ends: 492 [2018-04-11 13:42:59,244 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 480 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=431, Invalid=1825, Unknown=0, NotChecked=0, Total=2256 [2018-04-11 13:42:59,244 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 492 states. [2018-04-11 13:42:59,246 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 492 to 413. [2018-04-11 13:42:59,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 413 states. [2018-04-11 13:42:59,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 413 states to 413 states and 480 transitions. [2018-04-11 13:42:59,247 INFO L78 Accepts]: Start accepts. Automaton has 413 states and 480 transitions. Word has length 74 [2018-04-11 13:42:59,247 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 13:42:59,247 INFO L459 AbstractCegarLoop]: Abstraction has 413 states and 480 transitions. [2018-04-11 13:42:59,247 INFO L460 AbstractCegarLoop]: Interpolant automaton has 25 states. [2018-04-11 13:42:59,247 INFO L276 IsEmpty]: Start isEmpty. Operand 413 states and 480 transitions. [2018-04-11 13:42:59,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2018-04-11 13:42:59,247 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 13:42:59,247 INFO L355 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 13:42:59,247 INFO L408 AbstractCegarLoop]: === Iteration 77 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr29AssertViolationMEMORY_FREE, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr30AssertViolationMEMORY_FREE, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr32EnsuresViolationMEMORY_LEAK, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr31AssertViolationMEMORY_FREE, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr28AssertViolationMEMORY_FREE, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation]=== [2018-04-11 13:42:59,247 INFO L82 PathProgramCache]: Analyzing trace with hash -1033612846, now seen corresponding path program 3 times [2018-04-11 13:42:59,248 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 13:42:59,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 13:42:59,258 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 13:42:59,620 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 2 proven. 33 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-04-11 13:42:59,621 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-11 13:42:59,621 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [31] total 31 [2018-04-11 13:42:59,621 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 13:42:59,621 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 13:42:59,621 INFO L182 omatonBuilderFactory]: Interpolants [51547#true, 51548#false, 51549#(= |main_#t~malloc0.offset| 0), 51550#(= main_~a~0.offset 0), 51551#(and (= main_~a~0.offset 0) (= main_~p~0.offset main_~a~0.offset) (= main_~p~0.base main_~a~0.base)), 51552#(and (= 1 (select (select |#memory_int| main_~p~0.base) main_~a~0.offset)) (= main_~a~0.offset 0) (= (select |#valid| main_~p~0.base) 1) (= main_~p~0.base main_~a~0.base)), 51553#(and (= 1 (select (select |#memory_int| main_~p~0.base) main_~a~0.offset)) (= main_~a~0.offset 0) (not (= main_~p~0.base |main_#t~malloc4.base|)) (= main_~p~0.base main_~a~0.base)), 51554#(and (= 1 (select (select |#memory_int| main_~p~0.base) main_~a~0.offset)) (= main_~a~0.offset 0) (not (= main_~p~0.base main_~t~0.base)) (= main_~p~0.base main_~a~0.base)), 51555#(and (= 1 (select (select |#memory_int| main_~p~0.base) main_~a~0.offset)) (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= main_~a~0.offset 0) (= (select |#valid| main_~p~0.base) 1) (= main_~p~0.base main_~a~0.base)), 51556#(and (not (= main_~a~0.base |main_#t~mem5.base|)) (= (select |#valid| main_~a~0.base) 1) (= main_~a~0.offset 0) (= 1 (select (select |#memory_int| main_~a~0.base) main_~a~0.offset))), 51557#(and (= (select |#valid| main_~a~0.base) 1) (= main_~a~0.offset 0) (not (= main_~p~0.base main_~a~0.base)) (= 1 (select (select |#memory_int| main_~a~0.base) main_~a~0.offset))), 51558#(and (= (select |#valid| main_~a~0.base) 1) (= main_~a~0.offset 0) (= 1 (select (select |#memory_int| main_~a~0.base) main_~a~0.offset))), 51559#(and (not (= main_~a~0.base |main_#t~malloc4.base|)) (= (select |#valid| main_~a~0.base) 1) (= main_~a~0.offset 0) (= 1 (select (select |#memory_int| main_~a~0.base) main_~a~0.offset))), 51560#(and (= (select |#valid| main_~a~0.base) 1) (= main_~a~0.offset 0) (= 1 (select (select |#memory_int| main_~a~0.base) main_~a~0.offset)) (not (= main_~a~0.base main_~t~0.base))), 51561#(and (not (= main_~a~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= (select |#valid| main_~a~0.base) 1) (= main_~a~0.offset 0) (= 1 (select (select |#memory_int| main_~a~0.base) main_~a~0.offset))), 51562#(and (= main_~a~0.offset 0) (not (= main_~a~0.base |main_#t~malloc9.base|)) (= 1 (select (select |#memory_int| main_~a~0.base) main_~a~0.offset))), 51563#(and (= main_~a~0.offset 0) (= 1 (select (select |#memory_int| main_~a~0.base) main_~a~0.offset)) (not (= main_~a~0.base main_~t~0.base))), 51564#(and (not (= main_~a~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= main_~a~0.offset 0) (= 1 (select (select |#memory_int| main_~a~0.base) main_~a~0.offset))), 51565#(and (= main_~a~0.offset 0) (not (= main_~a~0.base |main_#t~mem10.base|)) (= 1 (select (select |#memory_int| main_~a~0.base) main_~a~0.offset))), 51566#(and (= main_~a~0.offset 0) (not (= main_~p~0.base main_~a~0.base)) (= 1 (select (select |#memory_int| main_~a~0.base) main_~a~0.offset))), 51567#(and (= main_~a~0.offset 0) (= 1 (select (select |#memory_int| main_~a~0.base) main_~a~0.offset))), 51568#(and (or (= main_~a~0.offset |main_#t~malloc9.offset|) (not (= main_~a~0.base |main_#t~malloc9.base|))) (= 1 (select (select |#memory_int| main_~a~0.base) main_~a~0.offset))), 51569#(and (or (= main_~a~0.offset main_~t~0.offset) (not (= main_~a~0.base main_~t~0.base))) (= 1 (select (select |#memory_int| main_~a~0.base) main_~a~0.offset))), 51570#(and (or (not (= main_~a~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= main_~a~0.offset (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4)))) (= 1 (select (select |#memory_int| main_~a~0.base) main_~a~0.offset))), 51571#(and (or (= main_~a~0.offset |main_#t~mem10.offset|) (not (= main_~a~0.base |main_#t~mem10.base|))) (= 1 (select (select |#memory_int| main_~a~0.base) main_~a~0.offset))), 51572#(or (and (not (= main_~p~0.base main_~a~0.base)) (= 1 (select (select |#memory_int| main_~a~0.base) main_~a~0.offset))) (and (= main_~p~0.offset main_~a~0.offset) (= main_~p~0.base main_~a~0.base))), 51573#(or (= (select (select |#memory_int| main_~a~0.base) main_~a~0.offset) 3) (= 1 (select (select |#memory_int| main_~a~0.base) main_~a~0.offset))), 51574#(or (= 1 (select (select |#memory_int| main_~p~0.base) main_~p~0.offset)) (= (select (select |#memory_int| main_~p~0.base) main_~p~0.offset) 3)), 51575#(or (and (= |main_#t~mem11| (select (select |#memory_int| main_~p~0.base) main_~p~0.offset)) (= 1 (select (select |#memory_int| main_~p~0.base) main_~p~0.offset))) (= (select (select |#memory_int| main_~p~0.base) main_~p~0.offset) 3)), 51576#(= (select (select |#memory_int| main_~p~0.base) main_~p~0.offset) 3), 51577#(= |main_#t~mem14| 3)] [2018-04-11 13:42:59,621 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 2 proven. 33 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-04-11 13:42:59,621 INFO L442 AbstractCegarLoop]: Interpolant automaton has 31 states [2018-04-11 13:42:59,621 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2018-04-11 13:42:59,622 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=139, Invalid=791, Unknown=0, NotChecked=0, Total=930 [2018-04-11 13:42:59,622 INFO L87 Difference]: Start difference. First operand 413 states and 480 transitions. Second operand 31 states. [2018-04-11 13:43:00,666 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 13:43:00,666 INFO L93 Difference]: Finished difference Result 573 states and 651 transitions. [2018-04-11 13:43:00,666 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2018-04-11 13:43:00,667 INFO L78 Accepts]: Start accepts. Automaton has 31 states. Word has length 74 [2018-04-11 13:43:00,667 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 13:43:00,668 INFO L225 Difference]: With dead ends: 573 [2018-04-11 13:43:00,668 INFO L226 Difference]: Without dead ends: 573 [2018-04-11 13:43:00,668 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 60 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 857 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=778, Invalid=3004, Unknown=0, NotChecked=0, Total=3782 [2018-04-11 13:43:00,668 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 573 states. [2018-04-11 13:43:00,671 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 573 to 390. [2018-04-11 13:43:00,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 390 states. [2018-04-11 13:43:00,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 390 states to 390 states and 450 transitions. [2018-04-11 13:43:00,671 INFO L78 Accepts]: Start accepts. Automaton has 390 states and 450 transitions. Word has length 74 [2018-04-11 13:43:00,672 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 13:43:00,672 INFO L459 AbstractCegarLoop]: Abstraction has 390 states and 450 transitions. [2018-04-11 13:43:00,672 INFO L460 AbstractCegarLoop]: Interpolant automaton has 31 states. [2018-04-11 13:43:00,672 INFO L276 IsEmpty]: Start isEmpty. Operand 390 states and 450 transitions. [2018-04-11 13:43:00,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2018-04-11 13:43:00,672 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 13:43:00,672 INFO L355 BasicCegarLoop]: trace histogram [5, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 13:43:00,672 INFO L408 AbstractCegarLoop]: === Iteration 78 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr29AssertViolationMEMORY_FREE, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr30AssertViolationMEMORY_FREE, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr32EnsuresViolationMEMORY_LEAK, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr31AssertViolationMEMORY_FREE, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr28AssertViolationMEMORY_FREE, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation]=== [2018-04-11 13:43:00,672 INFO L82 PathProgramCache]: Analyzing trace with hash 208158636, now seen corresponding path program 7 times [2018-04-11 13:43:00,673 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 13:43:00,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 13:43:00,680 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 13:43:01,332 INFO L134 CoverageAnalysis]: Checked inductivity of 83 backedges. 14 proven. 69 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:43:01,332 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-11 13:43:01,332 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [31] total 31 [2018-04-11 13:43:01,332 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 13:43:01,333 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 13:43:01,333 INFO L182 omatonBuilderFactory]: Interpolants [52608#(and (= 0 main_~a~0.offset) (= main_~p~0.offset 0) (= (select |#valid| main_~p~0.base) 1) (= main_~p~0.base main_~a~0.base)), 52609#(and (= (select |#valid| |main_#t~malloc4.base|) 1) (= 0 main_~a~0.offset) (= main_~p~0.offset 0) (not (= main_~p~0.base |main_#t~malloc4.base|)) (= main_~p~0.base main_~a~0.base) (= 0 |main_#t~malloc4.offset|)), 52610#(and (= 0 main_~a~0.offset) (= 0 main_~t~0.offset) (= main_~p~0.offset 0) (not (= main_~p~0.base main_~t~0.base)) (= main_~p~0.base main_~a~0.base) (= (select |#valid| main_~t~0.base) 1)), 52611#(and (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) 1) (= 0 main_~a~0.offset) (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= main_~p~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4))) (= (select |#valid| main_~p~0.base) 1) (= main_~p~0.base main_~a~0.base)), 52612#(and (not (= main_~a~0.base |main_#t~mem5.base|)) (= (select |#valid| main_~a~0.base) 1) (= 0 main_~a~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)) |main_#t~mem5.base|) (= (select |#valid| |main_#t~mem5.base|) 1) (= 0 |main_#t~mem5.offset|)), 52613#(and (= (select |#valid| main_~a~0.base) 1) (= 0 main_~a~0.offset) (or (and (= 0 main_~p~0.offset) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (<= (+ main_~p~0.offset 1) 0)) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= (select |#valid| main_~p~0.base) 1) (not (= main_~p~0.base main_~a~0.base))), 52614#(and (= (select |#valid| main_~a~0.base) 1) (= 0 main_~a~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= 0 main_~p~0.offset) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (= (select |#valid| main_~p~0.base) 1) (not (= main_~p~0.base main_~a~0.base))), 52615#(and (not (= main_~a~0.base |main_#t~malloc4.base|)) (= 0 main_~a~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (not (= main_~p~0.base |main_#t~malloc4.base|)) (= 0 main_~p~0.offset) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (not (= main_~p~0.base main_~a~0.base)) (= 0 |main_#t~malloc4.offset|)), 52616#(and (= 0 main_~a~0.offset) (= 0 main_~t~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (not (= main_~p~0.base main_~t~0.base)) (= 0 main_~p~0.offset) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (not (= main_~p~0.base main_~a~0.base)) (not (= main_~a~0.base main_~t~0.base))), 52617#(and (not (= main_~a~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= 0 main_~a~0.offset) (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= main_~p~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4))) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))), 52618#(and (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4)) |main_#t~mem5.base|) (not (= main_~a~0.base |main_#t~mem5.base|)) (= 0 main_~a~0.offset) (not (= (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)) |main_#t~mem5.base|)) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (= 0 |main_#t~mem5.offset|)), 52619#(and (= 0 main_~a~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (not (= main_~p~0.base main_~a~0.base)) (or (and (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= main_~p~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (= 0 main_~p~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4)))) (<= (+ main_~p~0.offset 1) 0))), 52620#(and (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= 0 main_~a~0.offset) (= main_~p~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= 0 main_~p~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (not (= main_~p~0.base main_~a~0.base))), 52621#(and (= 0 main_~a~0.offset) (= main_~p~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (= main_~p~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4)))), 52622#(and (= 0 main_~a~0.offset) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (+ 0 4)) |main_#t~mem5.offset|) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (+ 0 4)) |main_#t~mem5.base|)), 52623#(and (= main_~p~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (+ 0 4))) (= 0 main_~a~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~p~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (+ 0 4))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4)))), 52624#(and (= 0 main_~a~0.offset) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (+ 0 4))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (+ 0 4))) 3) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4)))), 52625#(and (= main_~p~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4))) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) (+ 0 4))) (+ 0 4))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) (+ 0 4))) (+ 0 4))) 3) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) (+ 0 4)))), 52626#(and (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_#t~mem13.base|) (+ 0 4))) (+ 0 4))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |main_#t~mem13.base|) (+ 0 4))) (+ 0 4))) 3) (= 0 |main_#t~mem13.offset|) (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem13.base|) (+ 0 4)))), 52627#(and (= main_~p~0.offset 0) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) (+ 0 4))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) (+ 0 4))) 3) (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4)))), 52628#(and (= 0 |main_#t~mem13.offset|) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |main_#t~mem13.base|) (+ 0 4))) (select (select |#memory_$Pointer$.offset| |main_#t~mem13.base|) (+ 0 4))) 3)), 52629#(or (and (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4))) 3) (= main_~p~0.offset 0)) (<= (+ main_~p~0.offset 1) 0)), 52630#(and (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4))) 3) (= main_~p~0.offset 0)), 52631#(= (select (select |#memory_int| |main_#t~mem13.base|) |main_#t~mem13.offset|) 3), 52632#(= (select (select |#memory_int| main_~p~0.base) main_~p~0.offset) 3), 52633#(= |main_#t~mem11| 3), 52603#true, 52604#false, 52605#(= 0 |main_#t~malloc0.offset|), 52606#(= 0 main_~a~0.offset), 52607#(and (= 0 main_~a~0.offset) (= main_~p~0.offset 0) (= main_~p~0.base main_~a~0.base))] [2018-04-11 13:43:01,333 INFO L134 CoverageAnalysis]: Checked inductivity of 83 backedges. 14 proven. 69 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:43:01,333 INFO L442 AbstractCegarLoop]: Interpolant automaton has 31 states [2018-04-11 13:43:01,333 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2018-04-11 13:43:01,333 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=86, Invalid=844, Unknown=0, NotChecked=0, Total=930 [2018-04-11 13:43:01,333 INFO L87 Difference]: Start difference. First operand 390 states and 450 transitions. Second operand 31 states. [2018-04-11 13:43:01,991 WARN L151 SmtUtils]: Spent 132ms on a formula simplification. DAG size of input: 66 DAG size of output 56 [2018-04-11 13:43:03,244 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 13:43:03,244 INFO L93 Difference]: Finished difference Result 457 states and 517 transitions. [2018-04-11 13:43:03,244 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2018-04-11 13:43:03,244 INFO L78 Accepts]: Start accepts. Automaton has 31 states. Word has length 75 [2018-04-11 13:43:03,244 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 13:43:03,245 INFO L225 Difference]: With dead ends: 457 [2018-04-11 13:43:03,245 INFO L226 Difference]: Without dead ends: 457 [2018-04-11 13:43:03,245 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 56 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 697 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=355, Invalid=2951, Unknown=0, NotChecked=0, Total=3306 [2018-04-11 13:43:03,246 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 457 states. [2018-04-11 13:43:03,247 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 457 to 389. [2018-04-11 13:43:03,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 389 states. [2018-04-11 13:43:03,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 389 states to 389 states and 448 transitions. [2018-04-11 13:43:03,248 INFO L78 Accepts]: Start accepts. Automaton has 389 states and 448 transitions. Word has length 75 [2018-04-11 13:43:03,248 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 13:43:03,248 INFO L459 AbstractCegarLoop]: Abstraction has 389 states and 448 transitions. [2018-04-11 13:43:03,248 INFO L460 AbstractCegarLoop]: Interpolant automaton has 31 states. [2018-04-11 13:43:03,248 INFO L276 IsEmpty]: Start isEmpty. Operand 389 states and 448 transitions. [2018-04-11 13:43:03,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2018-04-11 13:43:03,249 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 13:43:03,249 INFO L355 BasicCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 13:43:03,249 INFO L408 AbstractCegarLoop]: === Iteration 79 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr29AssertViolationMEMORY_FREE, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr30AssertViolationMEMORY_FREE, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr32EnsuresViolationMEMORY_LEAK, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr31AssertViolationMEMORY_FREE, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr28AssertViolationMEMORY_FREE, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation]=== [2018-04-11 13:43:03,249 INFO L82 PathProgramCache]: Analyzing trace with hash 599480880, now seen corresponding path program 10 times [2018-04-11 13:43:03,249 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 13:43:03,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 13:43:03,258 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 13:43:04,019 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 6 proven. 52 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:43:04,019 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-11 13:43:04,019 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [36] total 36 [2018-04-11 13:43:04,019 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 13:43:04,020 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 13:43:04,020 INFO L182 omatonBuilderFactory]: Interpolants [53568#(or (= (select (select |#memory_int| main_~p~0.base) main_~p~0.offset) 3) (= (select (select |#memory_int| main_~p~0.base) main_~p~0.offset) 2)), 53569#(or (= |main_#t~mem11| 2) (= |main_#t~mem11| 3)), 53534#true, 53535#false, 53536#(= |main_#t~malloc0.offset| 0), 53537#(= main_~a~0.offset 0), 53538#(and (= main_~p~0.offset 0) (= main_~a~0.offset 0) (= main_~p~0.base main_~a~0.base)), 53539#(and (= main_~p~0.offset 0) (= main_~a~0.offset 0) (= (select |#valid| main_~p~0.base) 1) (= main_~p~0.base main_~a~0.base)), 53540#(and (= main_~p~0.offset 0) (= main_~a~0.offset 0) (not (= main_~p~0.base |main_#t~malloc4.base|)) (= |main_#t~malloc4.offset| 0) (= main_~p~0.base main_~a~0.base)), 53541#(and (= main_~p~0.offset 0) (= main_~a~0.offset 0) (not (= main_~p~0.base main_~t~0.base)) (= main_~p~0.base main_~a~0.base) (= main_~t~0.offset 0)), 53542#(and (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4)) 0) (= main_~p~0.offset 0) (= main_~a~0.offset 0) (= (select |#valid| main_~p~0.base) 1) (= main_~p~0.base main_~a~0.base)), 53543#(and (not (= main_~a~0.base |main_#t~mem5.base|)) (= (select |#valid| main_~a~0.base) 1) (= (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4)) 0) (= main_~a~0.offset 0) (= (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4)) |main_#t~mem5.offset|) (= (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)) |main_#t~mem5.base|)), 53544#(and (= (select |#valid| main_~a~0.base) 1) (= (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4)) 0) (= main_~a~0.offset 0) (= main_~p~0.offset (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (not (= main_~p~0.base main_~a~0.base)) (= (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)) main_~p~0.base)), 53545#(and (= (select |#valid| main_~a~0.base) 1) (= (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4)) 0) (= main_~a~0.offset 0) (= (select |#valid| main_~p~0.base) 1) (not (= main_~p~0.base main_~a~0.base)) (= (select (select |#memory_int| main_~p~0.base) (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) 2) (= (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)) main_~p~0.base)), 53546#(and (not (= main_~p~0.base |main_#t~malloc9.base|)) (= (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4)) 0) (= main_~a~0.offset 0) (not (= main_~a~0.base |main_#t~malloc9.base|)) (not (= main_~p~0.base main_~a~0.base)) (= (select (select |#memory_int| main_~p~0.base) (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) 2) (= (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)) main_~p~0.base)), 53547#(and (= (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4)) 0) (= main_~a~0.offset 0) (not (= main_~p~0.base main_~t~0.base)) (not (= main_~p~0.base main_~a~0.base)) (= (select (select |#memory_int| main_~p~0.base) (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) 2) (= (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)) main_~p~0.base) (not (= main_~a~0.base main_~t~0.base))), 53548#(and (not (= main_~a~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4)) 0) (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= main_~a~0.offset 0) (= (select |#valid| main_~p~0.base) 1) (= (select (select |#memory_int| main_~p~0.base) (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) 2) (= (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)) main_~p~0.base)), 53549#(and (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) 2) (= (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4)) 0) (not (= (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)) |main_#t~mem10.base|)) (= main_~a~0.offset 0) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) 1) (not (= main_~a~0.base |main_#t~mem10.base|))), 53550#(and (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) 2) (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4)) 0) (= main_~a~0.offset 0) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) 1) (not (= main_~p~0.base main_~a~0.base))), 53551#(and (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) 2) (= (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4)) 0) (= main_~a~0.offset 0) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) 1) (not (= main_~p~0.base main_~a~0.base))), 53552#(and (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) 2) (= main_~a~0.offset |main_#t~malloc9.offset|) (= (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4)) 0) (= 0 main_~a~0.offset) (= (select |#valid| |main_#t~malloc9.base|) 1) (not (= main_~p~0.base main_~a~0.base)) (not (= (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)) |main_#t~malloc9.base|))), 53553#(and (not (= (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)) main_~t~0.base)) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) 2) (= (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4)) 0) (= 0 main_~a~0.offset) (= main_~a~0.offset main_~t~0.offset) (not (= main_~p~0.base main_~a~0.base)) (= (select |#valid| main_~t~0.base) 1)), 53554#(and (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) 1) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) 2) (= (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4)) 0) (= 0 main_~a~0.offset) (not (= (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)) (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= main_~a~0.offset (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4)))), 53555#(and (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) 2) (= (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4)) 0) (= 0 main_~a~0.offset) (= main_~a~0.offset |main_#t~mem10.offset|) (= (select |#valid| |main_#t~mem10.base|) 1) (not (= (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)) |main_#t~mem10.base|))), 53556#(or (and (= (select |#valid| main_~p~0.base) 1) (= main_~p~0.offset main_~a~0.offset) (= main_~p~0.base main_~a~0.base)) (and (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) 2) (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4)) 0) (= 0 main_~a~0.offset) (not (= main_~p~0.base main_~a~0.base)))), 53557#(or (and (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) 2) (= (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4)) 0) (= 0 main_~a~0.offset) (not (= main_~p~0.base main_~a~0.base))) (and (= (select (select |#memory_int| main_~p~0.base) main_~a~0.offset) 2) (= (select |#valid| main_~p~0.base) 1) (= main_~p~0.base main_~a~0.base))), 53558#(or (and (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) 2) (= 0 main_~a~0.offset) (= (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4)) |main_#t~malloc9.offset|) (not (= main_~p~0.base main_~a~0.base))) (and (not (= main_~p~0.base |main_#t~malloc9.base|)) (= (select (select |#memory_int| main_~p~0.base) main_~a~0.offset) 2) (= main_~p~0.base main_~a~0.base))), 53559#(or (and (= (select (select |#memory_int| main_~p~0.base) main_~a~0.offset) 2) (not (= main_~p~0.base main_~t~0.base)) (= main_~p~0.base main_~a~0.base)) (and (= (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4)) main_~t~0.offset) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) 2) (= 0 main_~a~0.offset) (not (= main_~p~0.base main_~a~0.base)))), 53560#(or (and (= (select (select |#memory_int| main_~p~0.base) main_~a~0.offset) 2) (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= main_~p~0.base main_~a~0.base)) (and (= (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4)) (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4))) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) 2) (= 0 main_~a~0.offset))), 53561#(or (and (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) 2) (= 0 main_~a~0.offset) (= (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4)) |main_#t~mem10.offset|)) (and (= (select (select |#memory_int| main_~a~0.base) main_~a~0.offset) 2) (not (= main_~a~0.base |main_#t~mem10.base|)))), 53562#(or (and (= 0 main_~a~0.offset) (or (and (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) 2) (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))))) (and (= main_~p~0.offset (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))))) (and (= (select (select |#memory_int| main_~a~0.base) main_~a~0.offset) 2) (not (= main_~p~0.base main_~a~0.base)))), 53563#(or (= (select (select |#memory_int| main_~a~0.base) main_~a~0.offset) 2) (and (or (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) 2) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) 3)) (= 0 main_~a~0.offset))), 53564#(or (and (or (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4))) 2) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4))) 3)) (= main_~p~0.offset 0)) (= (select (select |#memory_int| main_~p~0.base) main_~p~0.offset) 2)), 53565#(or (and (= |main_#t~mem11| (select (select |#memory_int| main_~p~0.base) main_~p~0.offset)) (= (select (select |#memory_int| main_~p~0.base) main_~p~0.offset) 2)) (and (or (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4))) 2) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4))) 3)) (= main_~p~0.offset 0))), 53566#(and (or (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4))) 2) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4))) 3)) (= main_~p~0.offset 0)), 53567#(or (= (select (select |#memory_int| |main_#t~mem13.base|) |main_#t~mem13.offset|) 2) (= (select (select |#memory_int| |main_#t~mem13.base|) |main_#t~mem13.offset|) 3))] [2018-04-11 13:43:04,020 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 6 proven. 52 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:43:04,020 INFO L442 AbstractCegarLoop]: Interpolant automaton has 36 states [2018-04-11 13:43:04,020 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 36 interpolants. [2018-04-11 13:43:04,020 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=130, Invalid=1130, Unknown=0, NotChecked=0, Total=1260 [2018-04-11 13:43:04,021 INFO L87 Difference]: Start difference. First operand 389 states and 448 transitions. Second operand 36 states. [2018-04-11 13:43:05,995 WARN L151 SmtUtils]: Spent 108ms on a formula simplification. DAG size of input: 78 DAG size of output 70 [2018-04-11 13:43:06,139 WARN L151 SmtUtils]: Spent 115ms on a formula simplification. DAG size of input: 86 DAG size of output 77 [2018-04-11 13:43:07,291 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 13:43:07,291 INFO L93 Difference]: Finished difference Result 494 states and 559 transitions. [2018-04-11 13:43:07,292 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2018-04-11 13:43:07,292 INFO L78 Accepts]: Start accepts. Automaton has 36 states. Word has length 76 [2018-04-11 13:43:07,292 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 13:43:07,293 INFO L225 Difference]: With dead ends: 494 [2018-04-11 13:43:07,293 INFO L226 Difference]: Without dead ends: 494 [2018-04-11 13:43:07,293 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 79 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1468 ImplicationChecksByTransitivity, 2.9s TimeCoverageRelationStatistics Valid=926, Invalid=5554, Unknown=0, NotChecked=0, Total=6480 [2018-04-11 13:43:07,294 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 494 states. [2018-04-11 13:43:07,297 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 494 to 410. [2018-04-11 13:43:07,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 410 states. [2018-04-11 13:43:07,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 410 states to 410 states and 471 transitions. [2018-04-11 13:43:07,298 INFO L78 Accepts]: Start accepts. Automaton has 410 states and 471 transitions. Word has length 76 [2018-04-11 13:43:07,298 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 13:43:07,298 INFO L459 AbstractCegarLoop]: Abstraction has 410 states and 471 transitions. [2018-04-11 13:43:07,298 INFO L460 AbstractCegarLoop]: Interpolant automaton has 36 states. [2018-04-11 13:43:07,298 INFO L276 IsEmpty]: Start isEmpty. Operand 410 states and 471 transitions. [2018-04-11 13:43:07,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2018-04-11 13:43:07,298 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 13:43:07,298 INFO L355 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 13:43:07,298 INFO L408 AbstractCegarLoop]: === Iteration 80 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr29AssertViolationMEMORY_FREE, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr30AssertViolationMEMORY_FREE, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr32EnsuresViolationMEMORY_LEAK, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr31AssertViolationMEMORY_FREE, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr28AssertViolationMEMORY_FREE, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation]=== [2018-04-11 13:43:07,298 INFO L82 PathProgramCache]: Analyzing trace with hash 892279834, now seen corresponding path program 11 times [2018-04-11 13:43:07,299 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 13:43:07,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 13:43:07,308 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 13:43:07,990 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 0 proven. 47 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:43:07,990 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-11 13:43:07,990 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [33] total 33 [2018-04-11 13:43:07,990 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 13:43:07,990 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:43:07,990 INFO L182 omatonBuilderFactory]: Interpolants [54592#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) (+ 0 4)))) (= main_~p~0.offset 0)), 54593#(and (= 8 (select |#length| |main_#t~mem13.base|)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| |main_#t~mem13.base|) (+ 0 4))))), 54594#(or (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (<= (+ main_~p~0.offset 1) 0) (and (<= 1 main_~p~0.offset) (= 8 (select |#length| main_~p~0.base)))), 54595#(or (and (= (select |#length| main_~p~0.base) 8) (<= 1 main_~p~0.offset)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))))), 54596#(= 1 (select |#valid| |main_#t~mem13.base|)), 54597#(= 1 (select |#valid| main_~p~0.base)), 54564#true, 54565#false, 54566#(= 0 |main_#t~malloc0.offset|), 54567#(= 0 main_~a~0.offset), 54568#(and (= 0 main_~a~0.offset) (= main_~p~0.offset 0) (= main_~p~0.base main_~a~0.base)), 54569#(and (= 0 main_~a~0.offset) (= main_~p~0.offset 0) (= (select |#valid| main_~p~0.base) 1) (= main_~p~0.base main_~a~0.base)), 54570#(and (= (select |#valid| |main_#t~malloc4.base|) 1) (= 0 main_~a~0.offset) (= main_~p~0.offset 0) (not (= main_~p~0.base |main_#t~malloc4.base|)) (= main_~p~0.base main_~a~0.base) (= 0 |main_#t~malloc4.offset|) (= 8 (select |#length| |main_#t~malloc4.base|))), 54571#(and (= 8 (select |#length| main_~t~0.base)) (= 0 main_~a~0.offset) (= 0 main_~t~0.offset) (= main_~p~0.offset 0) (not (= main_~p~0.base main_~t~0.base)) (= main_~p~0.base main_~a~0.base) (= (select |#valid| main_~t~0.base) 1)), 54572#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= 0 main_~a~0.offset) (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= main_~p~0.offset 0) (= (select |#valid| main_~p~0.base) (select |#valid| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4))) (= (select |#valid| main_~p~0.base) 1) (= main_~p~0.base main_~a~0.base)), 54573#(and (not (= main_~a~0.base |main_#t~mem5.base|)) (= (select |#valid| main_~a~0.base) 1) (= 0 main_~a~0.offset) (= 8 (select |#length| |main_#t~mem5.base|)) (= |main_#t~mem5.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (= (select |#valid| |main_#t~mem5.base|) 1) (= 0 |main_#t~mem5.offset|)), 54574#(and (= (select |#valid| main_~a~0.base) 1) (or (<= (+ main_~p~0.offset 1) 0) (= 0 main_~p~0.offset)) (= 0 main_~a~0.offset) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (= (select |#valid| main_~p~0.base) 1) (not (= main_~p~0.base main_~a~0.base)) (= 8 (select |#length| main_~p~0.base))), 54575#(and (= (select |#valid| main_~a~0.base) 1) (= 0 main_~a~0.offset) (= 0 main_~p~0.offset) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (= (select |#valid| main_~p~0.base) 1) (not (= main_~p~0.base main_~a~0.base)) (= 8 (select |#length| main_~p~0.base))), 54576#(and (not (= main_~a~0.base |main_#t~malloc4.base|)) (= (select |#valid| main_~a~0.base) 1) (= 0 main_~a~0.offset) (not (= main_~p~0.base |main_#t~malloc4.base|)) (= 0 main_~p~0.offset) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (= 8 (select |#length| main_~p~0.base)) (not (= main_~p~0.base main_~a~0.base))), 54577#(and (= (select |#valid| main_~a~0.base) 1) (= 0 main_~a~0.offset) (not (= main_~p~0.base main_~t~0.base)) (= 0 main_~p~0.offset) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (= 8 (select |#length| main_~p~0.base)) (not (= main_~p~0.base main_~a~0.base)) (not (= main_~a~0.base main_~t~0.base))), 54578#(and (not (= main_~a~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= (select |#valid| main_~a~0.base) 1) (= 0 main_~a~0.offset) (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= main_~p~0.offset 0) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (= (select |#valid| main_~p~0.base) 1) (= 8 (select |#length| main_~p~0.base))), 54579#(and (not (= main_~a~0.base |main_#t~mem5.base|)) (= (select |#valid| main_~a~0.base) 1) (= 0 main_~a~0.offset) (not (= (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)) |main_#t~mem5.base|)) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= |main_#t~mem5.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) 1)), 54580#(and (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= (select |#valid| main_~a~0.base) 1) (= 0 main_~a~0.offset) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= main_~p~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) 1) (not (= main_~p~0.base main_~a~0.base))), 54581#(and (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= 0 main_~a~0.offset) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= main_~p~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (not (= main_~a~0.base |main_#t~malloc9.base|)) (not (= main_~p~0.base main_~a~0.base)) (not (= (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)) |main_#t~malloc9.base|))), 54582#(and (not (= (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)) main_~t~0.base)) (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= 0 main_~a~0.offset) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= main_~p~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (not (= main_~p~0.base main_~a~0.base)) (not (= main_~a~0.base main_~t~0.base))), 54583#(and (not (= main_~a~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= 0 main_~a~0.offset) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (not (= (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)) (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= main_~p~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (= 1 (select |#valid| main_~p~0.base))), 54584#(and (= 0 main_~a~0.offset) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4)))) (not (= (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)) |main_#t~mem10.base|)) (not (= main_~a~0.base |main_#t~mem10.base|))), 54585#(and (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= 0 main_~a~0.offset) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4)))) (not (= main_~p~0.base main_~a~0.base))), 54586#(and (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= 0 main_~a~0.offset) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (or (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4)))) (= |main_#t~malloc9.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4)))) (not (= main_~p~0.base main_~a~0.base))), 54587#(and (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= 0 main_~a~0.offset) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (or (= main_~t~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))))) (not (= main_~p~0.base main_~a~0.base))), 54588#(and (= 0 main_~a~0.offset) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (or (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4)))) (= (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))))), 54589#(and (= 0 main_~a~0.offset) (or (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4)))) (= |main_#t~mem10.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4)))) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))))), 54590#(and (= 0 main_~a~0.offset) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (or (= main_~p~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4)))))), 54591#(and (= 0 main_~a~0.offset) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4)))))] [2018-04-11 13:43:07,990 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 0 proven. 47 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:43:07,991 INFO L442 AbstractCegarLoop]: Interpolant automaton has 34 states [2018-04-11 13:43:07,991 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2018-04-11 13:43:07,991 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=130, Invalid=992, Unknown=0, NotChecked=0, Total=1122 [2018-04-11 13:43:07,991 INFO L87 Difference]: Start difference. First operand 410 states and 471 transitions. Second operand 34 states. [2018-04-11 13:43:09,669 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 13:43:09,669 INFO L93 Difference]: Finished difference Result 521 states and 591 transitions. [2018-04-11 13:43:09,669 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2018-04-11 13:43:09,669 INFO L78 Accepts]: Start accepts. Automaton has 34 states. Word has length 76 [2018-04-11 13:43:09,669 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 13:43:09,670 INFO L225 Difference]: With dead ends: 521 [2018-04-11 13:43:09,670 INFO L226 Difference]: Without dead ends: 521 [2018-04-11 13:43:09,671 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 64 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 885 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=612, Invalid=3678, Unknown=0, NotChecked=0, Total=4290 [2018-04-11 13:43:09,671 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 521 states. [2018-04-11 13:43:09,674 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 521 to 435. [2018-04-11 13:43:09,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 435 states. [2018-04-11 13:43:09,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 435 states to 435 states and 500 transitions. [2018-04-11 13:43:09,675 INFO L78 Accepts]: Start accepts. Automaton has 435 states and 500 transitions. Word has length 76 [2018-04-11 13:43:09,675 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 13:43:09,675 INFO L459 AbstractCegarLoop]: Abstraction has 435 states and 500 transitions. [2018-04-11 13:43:09,675 INFO L460 AbstractCegarLoop]: Interpolant automaton has 34 states. [2018-04-11 13:43:09,675 INFO L276 IsEmpty]: Start isEmpty. Operand 435 states and 500 transitions. [2018-04-11 13:43:09,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2018-04-11 13:43:09,676 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 13:43:09,676 INFO L355 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 13:43:09,676 INFO L408 AbstractCegarLoop]: === Iteration 81 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr29AssertViolationMEMORY_FREE, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr30AssertViolationMEMORY_FREE, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr32EnsuresViolationMEMORY_LEAK, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr31AssertViolationMEMORY_FREE, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr28AssertViolationMEMORY_FREE, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation]=== [2018-04-11 13:43:09,676 INFO L82 PathProgramCache]: Analyzing trace with hash 892279835, now seen corresponding path program 8 times [2018-04-11 13:43:09,676 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 13:43:09,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 13:43:09,684 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 13:43:10,373 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 0 proven. 47 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:43:10,373 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-11 13:43:10,373 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [28] total 28 [2018-04-11 13:43:10,373 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 13:43:10,373 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 13:43:10,373 INFO L182 omatonBuilderFactory]: Interpolants [55618#true, 55619#false, 55620#(= 0 |main_#t~malloc0.offset|), 55621#(= 0 main_~a~0.offset), 55622#(and (= 0 main_~a~0.offset) (= main_~p~0.offset 0) (= main_~p~0.base main_~a~0.base)), 55623#(and (= 0 main_~a~0.offset) (= main_~p~0.offset 0) (= (select |#valid| main_~p~0.base) 1) (= main_~p~0.base main_~a~0.base)), 55624#(and (= (select |#valid| |main_#t~malloc4.base|) 1) (= 0 main_~a~0.offset) (= main_~p~0.offset 0) (not (= main_~p~0.base |main_#t~malloc4.base|)) (= main_~p~0.base main_~a~0.base) (= 0 |main_#t~malloc4.offset|)), 55625#(and (= 0 main_~a~0.offset) (= 0 main_~t~0.offset) (= main_~p~0.offset 0) (not (= main_~p~0.base main_~t~0.base)) (= main_~p~0.base main_~a~0.base) (= (select |#valid| main_~t~0.base) 1)), 55626#(and (= 0 main_~a~0.offset) (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= main_~p~0.offset 0) (= (select |#valid| main_~p~0.base) (select |#valid| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4))) (= (select |#valid| main_~p~0.base) 1) (= main_~p~0.base main_~a~0.base)), 55627#(and (not (= main_~a~0.base |main_#t~mem5.base|)) (= (select |#valid| main_~a~0.base) 1) (= 0 main_~a~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)) |main_#t~mem5.base|) (= (select |#valid| |main_#t~mem5.base|) 1) (= 0 |main_#t~mem5.offset|)), 55628#(and (= 0 main_~a~0.offset) (or (<= (+ main_~p~0.offset 1) 0) (and (= (select |#valid| main_~a~0.base) 1) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= 0 main_~p~0.offset) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (= (select |#valid| main_~p~0.base) 1) (not (= main_~p~0.base main_~a~0.base))))), 55629#(and (= (select |#valid| main_~a~0.base) 1) (= 0 main_~a~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= 0 main_~p~0.offset) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (= (select |#valid| main_~p~0.base) 1) (not (= main_~p~0.base main_~a~0.base))), 55630#(and (not (= main_~a~0.base |main_#t~malloc4.base|)) (= (select |#valid| main_~a~0.base) 1) (= 0 main_~a~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (not (= main_~p~0.base |main_#t~malloc4.base|)) (= 0 main_~p~0.offset) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (not (= main_~p~0.base main_~a~0.base)) (= 0 |main_#t~malloc4.offset|) (= 8 (select |#length| |main_#t~malloc4.base|))), 55631#(and (= 8 (select |#length| main_~t~0.base)) (= (select |#valid| main_~a~0.base) 1) (= 0 main_~a~0.offset) (= 0 main_~t~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (not (= main_~p~0.base main_~t~0.base)) (= 0 main_~p~0.offset) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (not (= main_~p~0.base main_~a~0.base)) (not (= main_~a~0.base main_~t~0.base))), 55632#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (not (= main_~a~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= (select |#valid| main_~a~0.base) 1) (= 0 main_~a~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ 0 4))) (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~p~0.offset 0) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (= (select |#valid| main_~p~0.base) 1)), 55633#(and (not (= main_~a~0.base |main_#t~mem5.base|)) (= (select |#valid| main_~a~0.base) 1) (= 0 main_~a~0.offset) (not (= (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)) |main_#t~mem5.base|)) (= 8 (select |#length| |main_#t~mem5.base|)) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= |main_#t~mem5.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) 1)), 55634#(and (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= (select |#valid| main_~a~0.base) 1) (= 0 main_~a~0.offset) (= main_~p~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) 1) (not (= main_~p~0.base main_~a~0.base)) (= 8 (select |#length| main_~p~0.base))), 55635#(and (<= 0 main_~p~0.offset) (= (select |#length| main_~p~0.base) 8) (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= (select |#valid| main_~a~0.base) 1) (= 0 main_~a~0.offset) (= main_~p~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) 1) (not (= main_~p~0.base main_~a~0.base))), 55636#(and (<= 0 main_~p~0.offset) (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= 0 main_~a~0.offset) (= main_~p~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (not (= main_~a~0.base |main_#t~malloc9.base|)) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (not (= main_~p~0.base main_~a~0.base)) (not (= (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)) |main_#t~malloc9.base|))), 55637#(and (<= 0 main_~p~0.offset) (not (= (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)) main_~t~0.base)) (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= 0 main_~a~0.offset) (= main_~p~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (not (= main_~p~0.base main_~a~0.base)) (not (= main_~a~0.base main_~t~0.base))), 55638#(and (not (= main_~a~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= 0 main_~a~0.offset) (not (= (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)) (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= main_~p~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (<= 8 (select |#length| main_~p~0.base))), 55639#(and (= 0 main_~a~0.offset) (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (not (= (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)) |main_#t~mem10.base|)) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (not (= main_~a~0.base |main_#t~mem10.base|))), 55640#(and (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= 0 main_~a~0.offset) (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (not (= main_~p~0.base main_~a~0.base))), 55641#(and (= 0 main_~a~0.offset) (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4)))), 55642#(and (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) (+ 0 4)))) (= main_~p~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) (+ 0 4)))), 55643#(and (= 0 |main_#t~mem13.offset|) (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem13.base|) (+ 0 4))) (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| |main_#t~mem13.base|) (+ 0 4))))), 55644#(and (= main_~p~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4))) (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))))), 55645#(and (<= 8 (select |#length| |main_#t~mem13.base|)) (= 0 |main_#t~mem13.offset|)), 55646#(and (= main_~p~0.offset 0) (<= 8 (select |#length| main_~p~0.base)))] [2018-04-11 13:43:10,373 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 0 proven. 47 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:43:10,374 INFO L442 AbstractCegarLoop]: Interpolant automaton has 29 states [2018-04-11 13:43:10,374 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2018-04-11 13:43:10,374 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=94, Invalid=718, Unknown=0, NotChecked=0, Total=812 [2018-04-11 13:43:10,374 INFO L87 Difference]: Start difference. First operand 435 states and 500 transitions. Second operand 29 states. [2018-04-11 13:43:12,145 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 13:43:12,145 INFO L93 Difference]: Finished difference Result 538 states and 609 transitions. [2018-04-11 13:43:12,145 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2018-04-11 13:43:12,145 INFO L78 Accepts]: Start accepts. Automaton has 29 states. Word has length 76 [2018-04-11 13:43:12,146 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 13:43:12,146 INFO L225 Difference]: With dead ends: 538 [2018-04-11 13:43:12,147 INFO L226 Difference]: Without dead ends: 537 [2018-04-11 13:43:12,147 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 60 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 823 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=511, Invalid=3271, Unknown=0, NotChecked=0, Total=3782 [2018-04-11 13:43:12,147 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 537 states. [2018-04-11 13:43:12,149 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 537 to 440. [2018-04-11 13:43:12,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 440 states. [2018-04-11 13:43:12,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 440 states to 440 states and 505 transitions. [2018-04-11 13:43:12,149 INFO L78 Accepts]: Start accepts. Automaton has 440 states and 505 transitions. Word has length 76 [2018-04-11 13:43:12,149 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 13:43:12,149 INFO L459 AbstractCegarLoop]: Abstraction has 440 states and 505 transitions. [2018-04-11 13:43:12,150 INFO L460 AbstractCegarLoop]: Interpolant automaton has 29 states. [2018-04-11 13:43:12,150 INFO L276 IsEmpty]: Start isEmpty. Operand 440 states and 505 transitions. [2018-04-11 13:43:12,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2018-04-11 13:43:12,150 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 13:43:12,150 INFO L355 BasicCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 13:43:12,150 INFO L408 AbstractCegarLoop]: === Iteration 82 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr29AssertViolationMEMORY_FREE, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr30AssertViolationMEMORY_FREE, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr32EnsuresViolationMEMORY_LEAK, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr31AssertViolationMEMORY_FREE, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr28AssertViolationMEMORY_FREE, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation]=== [2018-04-11 13:43:12,150 INFO L82 PathProgramCache]: Analyzing trace with hash -683579280, now seen corresponding path program 12 times [2018-04-11 13:43:12,151 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 13:43:12,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 13:43:12,158 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 13:43:12,767 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 0 proven. 58 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:43:12,767 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-11 13:43:12,767 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [32] total 32 [2018-04-11 13:43:12,767 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 13:43:12,767 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 13:43:12,767 INFO L182 omatonBuilderFactory]: Interpolants [56704#(and (not (= main_~a~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= (select |#valid| main_~a~0.base) 1) (= 0 main_~a~0.offset) (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~p~0.offset 0) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (= (select |#valid| main_~p~0.base) 1)), 56705#(and (not (= main_~a~0.base |main_#t~mem5.base|)) (= (select |#valid| main_~a~0.base) 1) (= 0 main_~a~0.offset) (not (= (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)) |main_#t~mem5.base|)) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= |main_#t~mem5.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) 1)), 56706#(and (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= (select |#valid| main_~a~0.base) 1) (= 0 main_~a~0.offset) (= main_~p~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) 1) (not (= main_~p~0.base main_~a~0.base))), 56707#(and (not (= main_~a~0.base |main_#t~malloc4.base|)) (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (not (= (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)) |main_#t~malloc4.base|)) (= 0 main_~a~0.offset) (= main_~p~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (not (= main_~p~0.base main_~a~0.base))), 56708#(and (not (= (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)) main_~t~0.base)) (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= 0 main_~a~0.offset) (= main_~p~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (not (= main_~p~0.base main_~a~0.base)) (not (= main_~a~0.base main_~t~0.base))), 56709#(and (not (= main_~a~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= 0 main_~a~0.offset) (not (= (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)) (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= main_~p~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= 1 (select |#valid| main_~p~0.base))), 56710#(and (not (= main_~a~0.base |main_#t~mem5.base|)) (= 0 main_~a~0.offset) (not (= (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)) |main_#t~mem5.base|)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4)))), 56711#(and (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= 0 main_~a~0.offset) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (not (= main_~p~0.base main_~a~0.base))), 56712#(and (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= 0 main_~a~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (or (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4)))) (= |main_#t~malloc9.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4)))) (not (= main_~p~0.base main_~a~0.base))), 56713#(and (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= 0 main_~a~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (or (= main_~t~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))))) (not (= main_~p~0.base main_~a~0.base))), 56714#(and (= 0 main_~a~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (or (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4)))) (= (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))))), 56715#(and (= 0 main_~a~0.offset) (or (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4)))) (= |main_#t~mem10.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4)))), 56716#(and (= 0 main_~a~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (or (= main_~p~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4)))))), 56717#(and (= 0 main_~a~0.offset) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4)))), 56718#(and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) (+ 0 4)))) (= main_~p~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4)))), 56719#(and (= 0 |main_#t~mem13.offset|) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| |main_#t~mem13.base|) (+ 0 4))))), 56720#(or (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (<= (+ main_~p~0.offset 1) 0)), 56721#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))), 56722#(= 1 (select |#valid| |main_#t~mem13.base|)), 56723#(= 1 (select |#valid| main_~p~0.base)), 56691#true, 56692#false, 56693#(= 0 |main_#t~malloc0.offset|), 56694#(= 0 main_~a~0.offset), 56695#(and (= 0 main_~a~0.offset) (= main_~p~0.offset 0) (= main_~p~0.base main_~a~0.base)), 56696#(and (= 0 main_~a~0.offset) (= main_~p~0.offset 0) (= (select |#valid| main_~p~0.base) 1) (= main_~p~0.base main_~a~0.base)), 56697#(and (= (select |#valid| |main_#t~malloc4.base|) 1) (= 0 main_~a~0.offset) (= main_~p~0.offset 0) (not (= main_~p~0.base |main_#t~malloc4.base|)) (= main_~p~0.base main_~a~0.base) (= 0 |main_#t~malloc4.offset|)), 56698#(and (= 0 main_~a~0.offset) (= 0 main_~t~0.offset) (= main_~p~0.offset 0) (not (= main_~p~0.base main_~t~0.base)) (= main_~p~0.base main_~a~0.base) (= (select |#valid| main_~t~0.base) 1)), 56699#(and (= 0 main_~a~0.offset) (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= main_~p~0.offset 0) (= (select |#valid| main_~p~0.base) (select |#valid| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4))) (= (select |#valid| main_~p~0.base) 1) (= main_~p~0.base main_~a~0.base)), 56700#(and (not (= main_~a~0.base |main_#t~mem5.base|)) (= (select |#valid| main_~a~0.base) 1) (= 0 main_~a~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)) |main_#t~mem5.base|) (= (select |#valid| |main_#t~mem5.base|) 1) (= 0 |main_#t~mem5.offset|)), 56701#(and (= (select |#valid| main_~a~0.base) 1) (= 0 main_~a~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= 0 main_~p~0.offset) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (= (select |#valid| main_~p~0.base) 1) (not (= main_~p~0.base main_~a~0.base))), 56702#(and (not (= main_~a~0.base |main_#t~malloc4.base|)) (= (select |#valid| main_~a~0.base) 1) (= 0 main_~a~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (not (= main_~p~0.base |main_#t~malloc4.base|)) (= 0 main_~p~0.offset) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (not (= main_~p~0.base main_~a~0.base))), 56703#(and (= (select |#valid| main_~a~0.base) 1) (= 0 main_~a~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (not (= main_~p~0.base main_~t~0.base)) (= 0 main_~p~0.offset) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (not (= main_~p~0.base main_~a~0.base)) (not (= main_~a~0.base main_~t~0.base)))] [2018-04-11 13:43:12,768 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 0 proven. 58 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:43:12,768 INFO L442 AbstractCegarLoop]: Interpolant automaton has 33 states [2018-04-11 13:43:12,768 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2018-04-11 13:43:12,768 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=124, Invalid=932, Unknown=0, NotChecked=0, Total=1056 [2018-04-11 13:43:12,768 INFO L87 Difference]: Start difference. First operand 440 states and 505 transitions. Second operand 33 states. [2018-04-11 13:43:14,453 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 13:43:14,453 INFO L93 Difference]: Finished difference Result 560 states and 636 transitions. [2018-04-11 13:43:14,454 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2018-04-11 13:43:14,454 INFO L78 Accepts]: Start accepts. Automaton has 33 states. Word has length 76 [2018-04-11 13:43:14,454 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 13:43:14,455 INFO L225 Difference]: With dead ends: 560 [2018-04-11 13:43:14,455 INFO L226 Difference]: Without dead ends: 560 [2018-04-11 13:43:14,455 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 62 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 808 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=577, Invalid=3455, Unknown=0, NotChecked=0, Total=4032 [2018-04-11 13:43:14,455 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 560 states. [2018-04-11 13:43:14,457 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 560 to 469. [2018-04-11 13:43:14,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 469 states. [2018-04-11 13:43:14,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 469 states to 469 states and 540 transitions. [2018-04-11 13:43:14,458 INFO L78 Accepts]: Start accepts. Automaton has 469 states and 540 transitions. Word has length 76 [2018-04-11 13:43:14,458 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 13:43:14,458 INFO L459 AbstractCegarLoop]: Abstraction has 469 states and 540 transitions. [2018-04-11 13:43:14,458 INFO L460 AbstractCegarLoop]: Interpolant automaton has 33 states. [2018-04-11 13:43:14,458 INFO L276 IsEmpty]: Start isEmpty. Operand 469 states and 540 transitions. [2018-04-11 13:43:14,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2018-04-11 13:43:14,459 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 13:43:14,459 INFO L355 BasicCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 13:43:14,459 INFO L408 AbstractCegarLoop]: === Iteration 83 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr29AssertViolationMEMORY_FREE, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr30AssertViolationMEMORY_FREE, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr32EnsuresViolationMEMORY_LEAK, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr31AssertViolationMEMORY_FREE, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr28AssertViolationMEMORY_FREE, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation]=== [2018-04-11 13:43:14,459 INFO L82 PathProgramCache]: Analyzing trace with hash -683579279, now seen corresponding path program 9 times [2018-04-11 13:43:14,459 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 13:43:14,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 13:43:14,468 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 13:43:15,149 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 0 proven. 58 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:43:15,149 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-11 13:43:15,149 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [28] total 28 [2018-04-11 13:43:15,149 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 13:43:15,150 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 13:43:15,150 INFO L182 omatonBuilderFactory]: Interpolants [57815#true, 57816#false, 57817#(= 0 |main_#t~malloc0.offset|), 57818#(= 0 main_~a~0.offset), 57819#(and (= 0 main_~a~0.offset) (= main_~p~0.offset 0) (= main_~p~0.base main_~a~0.base)), 57820#(and (= 0 main_~a~0.offset) (= main_~p~0.offset 0) (= (select |#valid| main_~p~0.base) 1) (= main_~p~0.base main_~a~0.base)), 57821#(and (= (select |#valid| |main_#t~malloc4.base|) 1) (= 0 main_~a~0.offset) (= main_~p~0.offset 0) (not (= main_~p~0.base |main_#t~malloc4.base|)) (= main_~p~0.base main_~a~0.base) (= 0 |main_#t~malloc4.offset|) (= 8 (select |#length| |main_#t~malloc4.base|))), 57822#(and (= 8 (select |#length| main_~t~0.base)) (= 0 main_~a~0.offset) (= 0 main_~t~0.offset) (= main_~p~0.offset 0) (not (= main_~p~0.base main_~t~0.base)) (= main_~p~0.base main_~a~0.base) (= (select |#valid| main_~t~0.base) 1)), 57823#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= 0 main_~a~0.offset) (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= main_~p~0.offset 0) (= (select |#valid| main_~p~0.base) (select |#valid| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4))) (= (select |#valid| main_~p~0.base) 1) (= main_~p~0.base main_~a~0.base)), 57824#(and (not (= main_~a~0.base |main_#t~mem5.base|)) (= (select |#valid| main_~a~0.base) 1) (= 0 main_~a~0.offset) (= 8 (select |#length| |main_#t~mem5.base|)) (= |main_#t~mem5.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (= (select |#valid| |main_#t~mem5.base|) 1) (= 0 |main_#t~mem5.offset|)), 57825#(and (= 0 main_~a~0.offset) (or (<= (+ main_~p~0.offset 1) 0) (and (= (select |#valid| main_~a~0.base) 1) (= main_~p~0.offset 0) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (= (select |#valid| main_~p~0.base) 1) (not (= main_~p~0.base main_~a~0.base)) (= 8 (select |#length| main_~p~0.base))))), 57826#(and (= (select |#valid| main_~a~0.base) 1) (= 0 main_~a~0.offset) (= main_~p~0.offset 0) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (= (select |#valid| main_~p~0.base) 1) (not (= main_~p~0.base main_~a~0.base)) (= 8 (select |#length| main_~p~0.base))), 57827#(and (not (= main_~a~0.base |main_#t~malloc4.base|)) (= (select |#valid| main_~a~0.base) 1) (= 0 main_~a~0.offset) (= main_~p~0.offset 0) (not (= main_~p~0.base |main_#t~malloc4.base|)) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (not (= main_~p~0.base main_~a~0.base)) (= 8 (select |#length| main_~p~0.base)) (= 0 |main_#t~malloc4.offset|) (= 8 (select |#length| |main_#t~malloc4.base|))), 57828#(and (= 8 (select |#length| main_~t~0.base)) (= (select |#valid| main_~a~0.base) 1) (= 0 main_~a~0.offset) (= 0 main_~t~0.offset) (= main_~p~0.offset 0) (not (= main_~p~0.base main_~t~0.base)) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (not (= main_~p~0.base main_~a~0.base)) (= 8 (select |#length| main_~p~0.base)) (not (= main_~a~0.base main_~t~0.base))), 57829#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (not (= main_~a~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= (select |#valid| main_~a~0.base) 1) (= 0 main_~a~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ 0 4))) (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= main_~p~0.offset 0) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (= (select |#valid| main_~p~0.base) 1) (= 8 (select |#length| main_~p~0.base))), 57830#(and (not (= main_~a~0.base |main_#t~mem5.base|)) (= (select |#valid| main_~a~0.base) 1) (= 0 main_~a~0.offset) (not (= (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)) |main_#t~mem5.base|)) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= 8 (select |#length| |main_#t~mem5.base|)) (= |main_#t~mem5.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) 1)), 57831#(and (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= (select |#valid| main_~a~0.base) 1) (= 0 main_~a~0.offset) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= main_~p~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) 1) (not (= main_~p~0.base main_~a~0.base)) (= 8 (select |#length| main_~p~0.base))), 57832#(and (not (= main_~a~0.base |main_#t~malloc4.base|)) (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (not (= (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)) |main_#t~malloc4.base|)) (= 0 main_~a~0.offset) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= main_~p~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (= 8 (select |#length| main_~p~0.base)) (not (= main_~p~0.base main_~a~0.base))), 57833#(and (not (= (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)) main_~t~0.base)) (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= 0 main_~a~0.offset) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= main_~p~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (not (= main_~p~0.base main_~a~0.base)) (= 8 (select |#length| main_~p~0.base)) (not (= main_~a~0.base main_~t~0.base))), 57834#(and (not (= main_~a~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= 0 main_~a~0.offset) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (not (= (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)) (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= main_~p~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (= 8 (select |#length| main_~p~0.base))), 57835#(and (not (= main_~a~0.base |main_#t~mem5.base|)) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4)))) (= 0 main_~a~0.offset) (not (= (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)) |main_#t~mem5.base|)) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4)))), 57836#(and (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4)))) (= 0 main_~a~0.offset) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (not (= main_~p~0.base main_~a~0.base))), 57837#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4)))) (= 0 main_~a~0.offset) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4)))), 57838#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) (+ 0 4)))) (= main_~p~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) (+ 0 4)))), 57839#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| |main_#t~mem13.base|) (+ 0 4)))) (= 8 (select |#length| |main_#t~mem13.base|)) (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem13.base|) (+ 0 4)))), 57840#(or (<= (+ main_~p~0.offset 1) 0) (and (or (and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4)))) (<= 1 main_~p~0.offset)) (= 8 (select |#length| main_~p~0.base)))), 57841#(and (= (select |#length| main_~p~0.base) 8) (or (and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4)))) (<= 1 main_~p~0.offset))), 57842#(and (= 8 (select |#length| |main_#t~mem13.base|)) (= 0 |main_#t~mem13.offset|)), 57843#(and (= main_~p~0.offset 0) (= 8 (select |#length| main_~p~0.base)))] [2018-04-11 13:43:15,150 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 0 proven. 58 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:43:15,150 INFO L442 AbstractCegarLoop]: Interpolant automaton has 29 states [2018-04-11 13:43:15,150 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2018-04-11 13:43:15,150 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=101, Invalid=711, Unknown=0, NotChecked=0, Total=812 [2018-04-11 13:43:15,150 INFO L87 Difference]: Start difference. First operand 469 states and 540 transitions. Second operand 29 states. [2018-04-11 13:43:16,689 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 13:43:16,690 INFO L93 Difference]: Finished difference Result 577 states and 654 transitions. [2018-04-11 13:43:16,690 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2018-04-11 13:43:16,690 INFO L78 Accepts]: Start accepts. Automaton has 29 states. Word has length 76 [2018-04-11 13:43:16,690 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 13:43:16,691 INFO L225 Difference]: With dead ends: 577 [2018-04-11 13:43:16,692 INFO L226 Difference]: Without dead ends: 576 [2018-04-11 13:43:16,692 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 52 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 585 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=392, Invalid=2470, Unknown=0, NotChecked=0, Total=2862 [2018-04-11 13:43:16,692 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 576 states. [2018-04-11 13:43:16,694 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 576 to 455. [2018-04-11 13:43:16,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 455 states. [2018-04-11 13:43:16,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 455 states to 455 states and 524 transitions. [2018-04-11 13:43:16,695 INFO L78 Accepts]: Start accepts. Automaton has 455 states and 524 transitions. Word has length 76 [2018-04-11 13:43:16,695 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 13:43:16,695 INFO L459 AbstractCegarLoop]: Abstraction has 455 states and 524 transitions. [2018-04-11 13:43:16,695 INFO L460 AbstractCegarLoop]: Interpolant automaton has 29 states. [2018-04-11 13:43:16,695 INFO L276 IsEmpty]: Start isEmpty. Operand 455 states and 524 transitions. [2018-04-11 13:43:16,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2018-04-11 13:43:16,695 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 13:43:16,695 INFO L355 BasicCegarLoop]: trace histogram [5, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 13:43:16,696 INFO L408 AbstractCegarLoop]: === Iteration 84 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr29AssertViolationMEMORY_FREE, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr30AssertViolationMEMORY_FREE, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr32EnsuresViolationMEMORY_LEAK, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr31AssertViolationMEMORY_FREE, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr28AssertViolationMEMORY_FREE, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation]=== [2018-04-11 13:43:16,696 INFO L82 PathProgramCache]: Analyzing trace with hash -605229814, now seen corresponding path program 10 times [2018-04-11 13:43:16,696 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 13:43:16,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 13:43:16,703 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 13:43:17,295 INFO L134 CoverageAnalysis]: Checked inductivity of 83 backedges. 14 proven. 69 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:43:17,295 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-11 13:43:17,295 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [31] total 31 [2018-04-11 13:43:17,295 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 13:43:17,296 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 13:43:17,296 INFO L182 omatonBuilderFactory]: Interpolants [58944#(and (= 0 main_~a~0.offset) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (+ 0 4)) |main_#t~mem10.offset|) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (+ 0 4)) |main_#t~mem10.base|)), 58945#(and (= main_~p~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (+ 0 4))) (= 0 main_~a~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~p~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (+ 0 4))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4)))), 58946#(and (= 0 main_~a~0.offset) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (+ 0 4))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (+ 0 4))) 3) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4)))), 58947#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4))) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) (+ 0 4))) (+ 0 4))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) (+ 0 4))) (+ 0 4))) 3) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) (+ 0 4)))), 58948#(and (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_#t~mem16.base|) (+ 0 4))) (+ 0 4))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |main_#t~mem16.base|) (+ 0 4))) (+ 0 4))) 3) (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem16.base|) (+ 0 4))) (= 0 |main_#t~mem16.offset|)), 58949#(or (<= (+ main_~p~0.offset 1) 0) (and (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) (+ 0 4))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) (+ 0 4))) 3) (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4))))), 58950#(and (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) (+ 0 4))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) (+ 0 4))) 3) (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4)))), 58951#(and (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |main_#t~mem16.base|) (+ 0 4))) (select (select |#memory_$Pointer$.offset| |main_#t~mem16.base|) (+ 0 4))) 3) (= 0 |main_#t~mem16.offset|)), 58952#(or (and (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4))) 3) (= main_~p~0.offset 0)) (<= (+ main_~p~0.offset 1) 0)), 58953#(and (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4))) 3) (= main_~p~0.offset 0)), 58954#(= (select (select |#memory_int| |main_#t~mem16.base|) |main_#t~mem16.offset|) 3), 58955#(= (select (select |#memory_int| main_~p~0.base) main_~p~0.offset) 3), 58956#(= |main_#t~mem14| 3), 58926#true, 58927#false, 58928#(= 0 |main_#t~malloc0.offset|), 58929#(= 0 main_~a~0.offset), 58930#(and (= 0 main_~a~0.offset) (= main_~p~0.offset 0) (= main_~p~0.base main_~a~0.base)), 58931#(and (= 0 main_~a~0.offset) (= main_~p~0.offset 0) (= (select |#valid| main_~p~0.base) 1) (= main_~p~0.base main_~a~0.base)), 58932#(and (not (= main_~p~0.base |main_#t~malloc9.base|)) (= 0 |main_#t~malloc9.offset|) (= 0 main_~a~0.offset) (= main_~p~0.offset 0) (= main_~p~0.base main_~a~0.base)), 58933#(and (= 0 main_~a~0.offset) (= 0 main_~t~0.offset) (= main_~p~0.offset 0) (not (= main_~p~0.base main_~t~0.base)) (= main_~p~0.base main_~a~0.base)), 58934#(and (= 0 main_~a~0.offset) (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= main_~p~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4))) (= (select |#valid| main_~p~0.base) 1) (= main_~p~0.base main_~a~0.base)), 58935#(and (= (select |#valid| main_~a~0.base) 1) (= 0 main_~a~0.offset) (= (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)) |main_#t~mem10.base|) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (not (= main_~a~0.base |main_#t~mem10.base|)) (= 0 |main_#t~mem10.offset|)), 58936#(and (= (select |#valid| main_~a~0.base) 1) (= 0 main_~a~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= 0 main_~p~0.offset) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (not (= main_~p~0.base main_~a~0.base))), 58937#(and (= (select |#valid| main_~a~0.base) 1) (= 0 main_~a~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= 0 main_~p~0.offset) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (= (select |#valid| main_~p~0.base) 1) (not (= main_~p~0.base main_~a~0.base))), 58938#(and (not (= main_~p~0.base |main_#t~malloc9.base|)) (= 0 |main_#t~malloc9.offset|) (= 0 main_~a~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= 0 main_~p~0.offset) (not (= main_~a~0.base |main_#t~malloc9.base|)) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (not (= main_~p~0.base main_~a~0.base))), 58939#(and (= 0 main_~a~0.offset) (= 0 main_~t~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (not (= main_~p~0.base main_~t~0.base)) (= 0 main_~p~0.offset) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (not (= main_~p~0.base main_~a~0.base)) (not (= main_~a~0.base main_~t~0.base))), 58940#(and (not (= main_~a~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= 0 main_~a~0.offset) (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~p~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4))) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))), 58941#(and (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4)) |main_#t~mem10.base|) (= 0 main_~a~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (not (= (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)) |main_#t~mem10.base|)) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (not (= main_~a~0.base |main_#t~mem10.base|)) (= 0 |main_#t~mem10.offset|)), 58942#(and (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= 0 main_~a~0.offset) (= main_~p~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (= 0 main_~p~0.offset) (not (= main_~p~0.base main_~a~0.base))), 58943#(and (= 0 main_~a~0.offset) (= main_~p~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (= main_~p~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))))] [2018-04-11 13:43:17,296 INFO L134 CoverageAnalysis]: Checked inductivity of 83 backedges. 14 proven. 69 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:43:17,296 INFO L442 AbstractCegarLoop]: Interpolant automaton has 31 states [2018-04-11 13:43:17,296 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2018-04-11 13:43:17,296 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=85, Invalid=845, Unknown=0, NotChecked=0, Total=930 [2018-04-11 13:43:17,296 INFO L87 Difference]: Start difference. First operand 455 states and 524 transitions. Second operand 31 states. [2018-04-11 13:43:18,494 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 13:43:18,494 INFO L93 Difference]: Finished difference Result 519 states and 587 transitions. [2018-04-11 13:43:18,494 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2018-04-11 13:43:18,494 INFO L78 Accepts]: Start accepts. Automaton has 31 states. Word has length 78 [2018-04-11 13:43:18,494 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 13:43:18,495 INFO L225 Difference]: With dead ends: 519 [2018-04-11 13:43:18,495 INFO L226 Difference]: Without dead ends: 519 [2018-04-11 13:43:18,495 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 57 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 717 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=365, Invalid=3057, Unknown=0, NotChecked=0, Total=3422 [2018-04-11 13:43:18,495 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 519 states. [2018-04-11 13:43:18,497 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 519 to 468. [2018-04-11 13:43:18,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 468 states. [2018-04-11 13:43:18,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 468 states to 468 states and 537 transitions. [2018-04-11 13:43:18,498 INFO L78 Accepts]: Start accepts. Automaton has 468 states and 537 transitions. Word has length 78 [2018-04-11 13:43:18,498 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 13:43:18,498 INFO L459 AbstractCegarLoop]: Abstraction has 468 states and 537 transitions. [2018-04-11 13:43:18,498 INFO L460 AbstractCegarLoop]: Interpolant automaton has 31 states. [2018-04-11 13:43:18,498 INFO L276 IsEmpty]: Start isEmpty. Operand 468 states and 537 transitions. [2018-04-11 13:43:18,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2018-04-11 13:43:18,499 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 13:43:18,499 INFO L355 BasicCegarLoop]: trace histogram [4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 13:43:18,499 INFO L408 AbstractCegarLoop]: === Iteration 85 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr29AssertViolationMEMORY_FREE, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr30AssertViolationMEMORY_FREE, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr32EnsuresViolationMEMORY_LEAK, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr31AssertViolationMEMORY_FREE, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr28AssertViolationMEMORY_FREE, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation]=== [2018-04-11 13:43:18,499 INFO L82 PathProgramCache]: Analyzing trace with hash -485345411, now seen corresponding path program 7 times [2018-04-11 13:43:18,499 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 13:43:18,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 13:43:18,506 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 13:43:19,138 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 10 proven. 37 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:43:19,139 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-11 13:43:19,139 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [31] total 31 [2018-04-11 13:43:19,139 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 13:43:19,139 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 13:43:19,139 INFO L182 omatonBuilderFactory]: Interpolants [60000#true, 60001#false, 60002#(= 0 |main_#t~malloc0.offset|), 60003#(= 0 main_~a~0.offset), 60004#(and (= 0 main_~a~0.offset) (= main_~p~0.offset 0) (= main_~p~0.base main_~a~0.base)), 60005#(and (= 0 main_~a~0.offset) (= main_~p~0.offset 0) (= (select |#valid| main_~p~0.base) 1) (= main_~p~0.base main_~a~0.base)), 60006#(and (= 0 main_~a~0.offset) (= main_~p~0.offset 0) (not (= main_~p~0.base |main_#t~malloc4.base|)) (= main_~p~0.base main_~a~0.base) (= 0 |main_#t~malloc4.offset|)), 60007#(and (= 0 main_~a~0.offset) (= 0 main_~t~0.offset) (= main_~p~0.offset 0) (not (= main_~p~0.base main_~t~0.base)) (= main_~p~0.base main_~a~0.base)), 60008#(and (= 0 main_~a~0.offset) (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= main_~p~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4))) (= (select |#valid| main_~p~0.base) 1) (= main_~p~0.base main_~a~0.base)), 60009#(and (not (= main_~a~0.base |main_#t~mem5.base|)) (= (select |#valid| main_~a~0.base) 1) (= 0 main_~a~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)) |main_#t~mem5.base|) (= 0 |main_#t~mem5.offset|)), 60010#(and (= (select |#valid| main_~a~0.base) 1) (= 0 main_~a~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~p~0.offset 0) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (not (= main_~p~0.base main_~a~0.base))), 60011#(and (= (select |#valid| main_~a~0.base) 1) (= 0 main_~a~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~p~0.offset 0) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (= (select |#valid| main_~p~0.base) 1) (not (= main_~p~0.base main_~a~0.base))), 60012#(and (not (= main_~p~0.base |main_#t~malloc9.base|)) (= 0 |main_#t~malloc9.offset|) (= 0 main_~a~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~p~0.offset 0) (not (= main_~a~0.base |main_#t~malloc9.base|)) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (not (= main_~p~0.base main_~a~0.base))), 60013#(and (= 0 main_~a~0.offset) (= 0 main_~t~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~p~0.offset 0) (not (= main_~p~0.base main_~t~0.base)) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (not (= main_~p~0.base main_~a~0.base)) (not (= main_~a~0.base main_~t~0.base))), 60014#(and (not (= main_~a~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= 0 main_~a~0.offset) (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= main_~p~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4))) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))), 60015#(and (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4)) |main_#t~mem10.base|) (= 0 main_~a~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (not (= (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)) |main_#t~mem10.base|)) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (not (= main_~a~0.base |main_#t~mem10.base|)) (= 0 |main_#t~mem10.offset|)), 60016#(and (or (<= (+ main_~p~0.offset 1) 0) (and (= main_~p~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (= 0 main_~p~0.offset))) (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= 0 main_~a~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (not (= main_~p~0.base main_~a~0.base))), 60017#(and (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= 0 main_~a~0.offset) (= main_~p~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (= 0 main_~p~0.offset) (not (= main_~p~0.base main_~a~0.base))), 60018#(and (= 0 main_~a~0.offset) (= main_~p~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (= main_~p~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4)))), 60019#(and (= 0 main_~a~0.offset) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (+ 0 4)) |main_#t~mem10.offset|) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (+ 0 4)) |main_#t~mem10.base|)), 60020#(and (= main_~p~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (+ 0 4))) (= 0 main_~a~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~p~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (+ 0 4))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4)))), 60021#(and (= 0 main_~a~0.offset) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (+ 0 4))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (+ 0 4))) 3) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4)))), 60022#(and (= main_~p~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4))) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) (+ 0 4))) (+ 0 4))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) (+ 0 4))) (+ 0 4))) 3) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) (+ 0 4)))), 60023#(and (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_#t~mem13.base|) (+ 0 4))) (+ 0 4))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |main_#t~mem13.base|) (+ 0 4))) (+ 0 4))) 3) (= 0 |main_#t~mem13.offset|) (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem13.base|) (+ 0 4)))), 60024#(and (= main_~p~0.offset 0) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) (+ 0 4))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) (+ 0 4))) 3) (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4)))), 60025#(and (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |main_#t~mem16.base|) (+ 0 4))) (select (select |#memory_$Pointer$.offset| |main_#t~mem16.base|) (+ 0 4))) 3) (= 0 |main_#t~mem16.offset|)), 60026#(or (and (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4))) 3) (= main_~p~0.offset 0)) (<= (+ main_~p~0.offset 1) 0)), 60027#(and (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4))) 3) (= main_~p~0.offset 0)), 60028#(= (select (select |#memory_int| |main_#t~mem16.base|) |main_#t~mem16.offset|) 3), 60029#(= (select (select |#memory_int| main_~p~0.base) main_~p~0.offset) 3), 60030#(= |main_#t~mem14| 3)] [2018-04-11 13:43:19,139 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 10 proven. 37 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:43:19,139 INFO L442 AbstractCegarLoop]: Interpolant automaton has 31 states [2018-04-11 13:43:19,140 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2018-04-11 13:43:19,140 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=86, Invalid=844, Unknown=0, NotChecked=0, Total=930 [2018-04-11 13:43:19,140 INFO L87 Difference]: Start difference. First operand 468 states and 537 transitions. Second operand 31 states. [2018-04-11 13:43:20,522 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 13:43:20,522 INFO L93 Difference]: Finished difference Result 522 states and 590 transitions. [2018-04-11 13:43:20,522 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2018-04-11 13:43:20,523 INFO L78 Accepts]: Start accepts. Automaton has 31 states. Word has length 78 [2018-04-11 13:43:20,523 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 13:43:20,523 INFO L225 Difference]: With dead ends: 522 [2018-04-11 13:43:20,523 INFO L226 Difference]: Without dead ends: 522 [2018-04-11 13:43:20,523 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 57 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 724 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=366, Invalid=3056, Unknown=0, NotChecked=0, Total=3422 [2018-04-11 13:43:20,524 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 522 states. [2018-04-11 13:43:20,526 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 522 to 463. [2018-04-11 13:43:20,526 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 463 states. [2018-04-11 13:43:20,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 463 states to 463 states and 532 transitions. [2018-04-11 13:43:20,527 INFO L78 Accepts]: Start accepts. Automaton has 463 states and 532 transitions. Word has length 78 [2018-04-11 13:43:20,527 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 13:43:20,527 INFO L459 AbstractCegarLoop]: Abstraction has 463 states and 532 transitions. [2018-04-11 13:43:20,527 INFO L460 AbstractCegarLoop]: Interpolant automaton has 31 states. [2018-04-11 13:43:20,527 INFO L276 IsEmpty]: Start isEmpty. Operand 463 states and 532 transitions. [2018-04-11 13:43:20,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2018-04-11 13:43:20,528 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 13:43:20,528 INFO L355 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 13:43:20,528 INFO L408 AbstractCegarLoop]: === Iteration 86 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr29AssertViolationMEMORY_FREE, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr30AssertViolationMEMORY_FREE, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr32EnsuresViolationMEMORY_LEAK, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr31AssertViolationMEMORY_FREE, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr28AssertViolationMEMORY_FREE, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation]=== [2018-04-11 13:43:20,529 INFO L82 PathProgramCache]: Analyzing trace with hash 470395050, now seen corresponding path program 8 times [2018-04-11 13:43:20,529 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 13:43:20,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 13:43:20,537 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 13:43:21,177 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 6 proven. 37 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:43:21,178 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-11 13:43:21,178 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [32] total 32 [2018-04-11 13:43:21,178 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 13:43:21,178 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:43:21,178 INFO L182 omatonBuilderFactory]: Interpolants [61072#true, 61073#false, 61074#(= 0 |main_#t~malloc0.offset|), 61075#(= 0 main_~a~0.offset), 61076#(and (= 0 main_~a~0.offset) (= main_~p~0.offset 0) (= main_~p~0.base main_~a~0.base)), 61077#(and (= 0 main_~a~0.offset) (= main_~p~0.offset 0) (= (select |#valid| main_~p~0.base) 1) (= main_~p~0.base main_~a~0.base)), 61078#(and (= (select |#valid| |main_#t~malloc4.base|) 1) (= 0 main_~a~0.offset) (= main_~p~0.offset 0) (not (= main_~p~0.base |main_#t~malloc4.base|)) (= main_~p~0.base main_~a~0.base) (= 0 |main_#t~malloc4.offset|)), 61079#(and (= 0 main_~a~0.offset) (= 0 main_~t~0.offset) (= main_~p~0.offset 0) (not (= main_~p~0.base main_~t~0.base)) (= main_~p~0.base main_~a~0.base) (= (select |#valid| main_~t~0.base) 1)), 61080#(and (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) 1) (= 0 main_~a~0.offset) (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= main_~p~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4))) (= (select |#valid| main_~p~0.base) 1) (= main_~p~0.base main_~a~0.base)), 61081#(and (not (= main_~a~0.base |main_#t~mem5.base|)) (= (select |#valid| main_~a~0.base) 1) (= 0 main_~a~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)) |main_#t~mem5.base|) (= (select |#valid| |main_#t~mem5.base|) 1) (= 0 |main_#t~mem5.offset|)), 61082#(or (<= (+ main_~p~0.offset 1) 0) (and (= (select |#valid| main_~a~0.base) 1) (= 0 main_~a~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= 0 main_~p~0.offset) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (= (select |#valid| main_~p~0.base) 1) (not (= main_~p~0.base main_~a~0.base)))), 61083#(and (= (select |#valid| main_~a~0.base) 1) (= 0 main_~a~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= 0 main_~p~0.offset) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (= (select |#valid| main_~p~0.base) 1) (not (= main_~p~0.base main_~a~0.base))), 61084#(and (not (= main_~a~0.base |main_#t~malloc4.base|)) (= 0 main_~a~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (not (= main_~p~0.base |main_#t~malloc4.base|)) (= 0 main_~p~0.offset) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (not (= main_~p~0.base main_~a~0.base)) (= 0 |main_#t~malloc4.offset|)), 61085#(and (= 0 main_~a~0.offset) (= 0 main_~t~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (not (= main_~p~0.base main_~t~0.base)) (= 0 main_~p~0.offset) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (not (= main_~p~0.base main_~a~0.base)) (not (= main_~a~0.base main_~t~0.base))), 61086#(and (not (= main_~a~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= 0 main_~a~0.offset) (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~p~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4))) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))), 61087#(and (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4)) |main_#t~mem5.base|) (not (= main_~a~0.base |main_#t~mem5.base|)) (= 0 main_~a~0.offset) (not (= (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)) |main_#t~mem5.base|)) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (= 0 |main_#t~mem5.offset|)), 61088#(and (or (<= (+ main_~p~0.offset 1) 0) (and (= main_~p~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (= 0 main_~p~0.offset))) (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= 0 main_~a~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (not (= main_~p~0.base main_~a~0.base))), 61089#(and (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= 0 main_~a~0.offset) (= main_~p~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (= 0 main_~p~0.offset) (not (= main_~p~0.base main_~a~0.base))), 61090#(and (= 0 main_~a~0.offset) (= main_~p~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (= main_~p~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4)))), 61091#(and (= 0 main_~a~0.offset) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (+ 0 4)) |main_#t~mem10.offset|) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (+ 0 4)) |main_#t~mem10.base|)), 61092#(and (= main_~p~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (+ 0 4))) (= 0 main_~a~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~p~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (+ 0 4))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4)))), 61093#(and (= 0 main_~a~0.offset) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (+ 0 4))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (+ 0 4))) 3) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4)))), 61094#(and (= main_~p~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4))) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) (+ 0 4))) (+ 0 4))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) (+ 0 4))) (+ 0 4))) 3) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) (+ 0 4)))), 61095#(and (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_#t~mem13.base|) (+ 0 4))) (+ 0 4))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |main_#t~mem13.base|) (+ 0 4))) (+ 0 4))) 3) (= 0 |main_#t~mem13.offset|) (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem13.base|) (+ 0 4)))), 61096#(or (<= (+ main_~p~0.offset 1) 0) (and (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) (+ 0 4))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) (+ 0 4))) 3) (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4))))), 61097#(and (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) (+ 0 4))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) (+ 0 4))) 3) (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4)))), 61098#(and (= 0 |main_#t~mem13.offset|) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |main_#t~mem13.base|) (+ 0 4))) (select (select |#memory_$Pointer$.offset| |main_#t~mem13.base|) (+ 0 4))) 3)), 61099#(or (and (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4))) 3) (= main_~p~0.offset 0)) (<= (+ main_~p~0.offset 1) 0)), 61100#(and (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4))) 3) (= main_~p~0.offset 0)), 61101#(= (select (select |#memory_int| |main_#t~mem16.base|) |main_#t~mem16.offset|) 3), 61102#(= (select (select |#memory_int| main_~p~0.base) main_~p~0.offset) 3), 61103#(= |main_#t~mem14| 3)] [2018-04-11 13:43:21,179 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 6 proven. 37 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:43:21,179 INFO L442 AbstractCegarLoop]: Interpolant automaton has 32 states [2018-04-11 13:43:21,179 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2018-04-11 13:43:21,179 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=88, Invalid=904, Unknown=0, NotChecked=0, Total=992 [2018-04-11 13:43:21,179 INFO L87 Difference]: Start difference. First operand 463 states and 532 transitions. Second operand 32 states. [2018-04-11 13:43:22,644 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 13:43:22,644 INFO L93 Difference]: Finished difference Result 512 states and 580 transitions. [2018-04-11 13:43:22,644 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2018-04-11 13:43:22,644 INFO L78 Accepts]: Start accepts. Automaton has 32 states. Word has length 78 [2018-04-11 13:43:22,644 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 13:43:22,645 INFO L225 Difference]: With dead ends: 512 [2018-04-11 13:43:22,645 INFO L226 Difference]: Without dead ends: 512 [2018-04-11 13:43:22,646 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 57 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 720 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=359, Invalid=3063, Unknown=0, NotChecked=0, Total=3422 [2018-04-11 13:43:22,646 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 512 states. [2018-04-11 13:43:22,648 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 512 to 458. [2018-04-11 13:43:22,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 458 states. [2018-04-11 13:43:22,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 458 states to 458 states and 527 transitions. [2018-04-11 13:43:22,648 INFO L78 Accepts]: Start accepts. Automaton has 458 states and 527 transitions. Word has length 78 [2018-04-11 13:43:22,648 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 13:43:22,648 INFO L459 AbstractCegarLoop]: Abstraction has 458 states and 527 transitions. [2018-04-11 13:43:22,648 INFO L460 AbstractCegarLoop]: Interpolant automaton has 32 states. [2018-04-11 13:43:22,648 INFO L276 IsEmpty]: Start isEmpty. Operand 458 states and 527 transitions. [2018-04-11 13:43:22,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2018-04-11 13:43:22,649 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 13:43:22,649 INFO L355 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 13:43:22,649 INFO L408 AbstractCegarLoop]: === Iteration 87 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr29AssertViolationMEMORY_FREE, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr30AssertViolationMEMORY_FREE, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr32EnsuresViolationMEMORY_LEAK, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr31AssertViolationMEMORY_FREE, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr28AssertViolationMEMORY_FREE, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation]=== [2018-04-11 13:43:22,649 INFO L82 PathProgramCache]: Analyzing trace with hash -216111139, now seen corresponding path program 6 times [2018-04-11 13:43:22,649 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 13:43:22,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 13:43:22,656 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 13:43:23,329 INFO L134 CoverageAnalysis]: Checked inductivity of 71 backedges. 2 proven. 69 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:43:23,329 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-11 13:43:23,329 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [32] total 32 [2018-04-11 13:43:23,330 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 13:43:23,330 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 13:43:23,330 INFO L182 omatonBuilderFactory]: Interpolants [62144#(and (or (<= (+ main_~p~0.offset 1) 0) (and (= main_~p~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (= 0 main_~p~0.offset))) (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= 0 main_~a~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (not (= main_~p~0.base main_~a~0.base))), 62145#(and (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= 0 main_~a~0.offset) (= main_~p~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (= 0 main_~p~0.offset) (not (= main_~p~0.base main_~a~0.base))), 62146#(and (= 0 main_~a~0.offset) (= main_~p~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (= main_~p~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4)))), 62147#(and (= 0 main_~a~0.offset) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (+ 0 4)) |main_#t~mem5.offset|) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (+ 0 4)) |main_#t~mem5.base|)), 62148#(and (= main_~p~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (+ 0 4))) (= 0 main_~a~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~p~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (+ 0 4))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4)))), 62149#(and (= 0 main_~a~0.offset) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (+ 0 4))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (+ 0 4))) 3) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4)))), 62150#(and (= main_~p~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4))) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) (+ 0 4))) (+ 0 4))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) (+ 0 4))) (+ 0 4))) 3) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) (+ 0 4)))), 62151#(and (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_#t~mem13.base|) (+ 0 4))) (+ 0 4))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |main_#t~mem13.base|) (+ 0 4))) (+ 0 4))) 3) (= 0 |main_#t~mem13.offset|) (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem13.base|) (+ 0 4)))), 62152#(or (<= (+ main_~p~0.offset 1) 0) (and (= main_~p~0.offset 0) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) (+ 0 4))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) (+ 0 4))) 3) (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4))))), 62153#(and (= main_~p~0.offset 0) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) (+ 0 4))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) (+ 0 4))) 3) (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4)))), 62154#(and (= 0 |main_#t~mem13.offset|) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |main_#t~mem13.base|) (+ 0 4))) (select (select |#memory_$Pointer$.offset| |main_#t~mem13.base|) (+ 0 4))) 3)), 62155#(or (and (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4))) 3) (= main_~p~0.offset 0)) (<= (+ main_~p~0.offset 1) 0)), 62156#(and (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4))) 3) (= main_~p~0.offset 0)), 62157#(= (select (select |#memory_int| |main_#t~mem13.base|) |main_#t~mem13.offset|) 3), 62158#(= (select (select |#memory_int| main_~p~0.base) main_~p~0.offset) 3), 62159#(= |main_#t~mem14| 3), 62128#true, 62129#false, 62130#(= 0 |main_#t~malloc0.offset|), 62131#(= 0 main_~a~0.offset), 62132#(and (= 0 main_~a~0.offset) (= main_~p~0.offset 0) (= main_~p~0.base main_~a~0.base)), 62133#(and (= 0 main_~a~0.offset) (= main_~p~0.offset 0) (= (select |#valid| main_~p~0.base) 1) (= main_~p~0.base main_~a~0.base)), 62134#(and (= (select |#valid| |main_#t~malloc4.base|) 1) (= 0 main_~a~0.offset) (= main_~p~0.offset 0) (not (= main_~p~0.base |main_#t~malloc4.base|)) (= main_~p~0.base main_~a~0.base) (= 0 |main_#t~malloc4.offset|)), 62135#(and (= 0 main_~a~0.offset) (= 0 main_~t~0.offset) (= main_~p~0.offset 0) (not (= main_~p~0.base main_~t~0.base)) (= main_~p~0.base main_~a~0.base) (= (select |#valid| main_~t~0.base) 1)), 62136#(and (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) 1) (= 0 main_~a~0.offset) (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= main_~p~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4))) (= (select |#valid| main_~p~0.base) 1) (= main_~p~0.base main_~a~0.base)), 62137#(and (not (= main_~a~0.base |main_#t~mem5.base|)) (= (select |#valid| main_~a~0.base) 1) (= 0 main_~a~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)) |main_#t~mem5.base|) (= (select |#valid| |main_#t~mem5.base|) 1) (= 0 |main_#t~mem5.offset|)), 62138#(and (= 0 main_~a~0.offset) (or (<= (+ main_~p~0.offset 1) 0) (and (= (select |#valid| main_~a~0.base) 1) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= 0 main_~p~0.offset) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (= (select |#valid| main_~p~0.base) 1) (not (= main_~p~0.base main_~a~0.base))))), 62139#(and (= (select |#valid| main_~a~0.base) 1) (= 0 main_~a~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= 0 main_~p~0.offset) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (= (select |#valid| main_~p~0.base) 1) (not (= main_~p~0.base main_~a~0.base))), 62140#(and (not (= main_~a~0.base |main_#t~malloc4.base|)) (= 0 main_~a~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (not (= main_~p~0.base |main_#t~malloc4.base|)) (= 0 main_~p~0.offset) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (not (= main_~p~0.base main_~a~0.base)) (= 0 |main_#t~malloc4.offset|)), 62141#(and (= 0 main_~a~0.offset) (= 0 main_~t~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (not (= main_~p~0.base main_~t~0.base)) (= 0 main_~p~0.offset) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (not (= main_~p~0.base main_~a~0.base)) (not (= main_~a~0.base main_~t~0.base))), 62142#(and (not (= main_~a~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= 0 main_~a~0.offset) (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~p~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4))) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))), 62143#(and (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4)) |main_#t~mem5.base|) (not (= main_~a~0.base |main_#t~mem5.base|)) (= 0 main_~a~0.offset) (not (= (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)) |main_#t~mem5.base|)) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (= 0 |main_#t~mem5.offset|))] [2018-04-11 13:43:23,330 INFO L134 CoverageAnalysis]: Checked inductivity of 71 backedges. 2 proven. 69 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:43:23,330 INFO L442 AbstractCegarLoop]: Interpolant automaton has 32 states [2018-04-11 13:43:23,330 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2018-04-11 13:43:23,331 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=89, Invalid=903, Unknown=0, NotChecked=0, Total=992 [2018-04-11 13:43:23,331 INFO L87 Difference]: Start difference. First operand 458 states and 527 transitions. Second operand 32 states. [2018-04-11 13:43:24,756 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 13:43:24,756 INFO L93 Difference]: Finished difference Result 504 states and 571 transitions. [2018-04-11 13:43:24,757 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2018-04-11 13:43:24,757 INFO L78 Accepts]: Start accepts. Automaton has 32 states. Word has length 78 [2018-04-11 13:43:24,757 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 13:43:24,757 INFO L225 Difference]: With dead ends: 504 [2018-04-11 13:43:24,757 INFO L226 Difference]: Without dead ends: 504 [2018-04-11 13:43:24,758 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 57 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 728 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=360, Invalid=3062, Unknown=0, NotChecked=0, Total=3422 [2018-04-11 13:43:24,758 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 504 states. [2018-04-11 13:43:24,760 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 504 to 455. [2018-04-11 13:43:24,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 455 states. [2018-04-11 13:43:24,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 455 states to 455 states and 523 transitions. [2018-04-11 13:43:24,760 INFO L78 Accepts]: Start accepts. Automaton has 455 states and 523 transitions. Word has length 78 [2018-04-11 13:43:24,760 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 13:43:24,760 INFO L459 AbstractCegarLoop]: Abstraction has 455 states and 523 transitions. [2018-04-11 13:43:24,760 INFO L460 AbstractCegarLoop]: Interpolant automaton has 32 states. [2018-04-11 13:43:24,760 INFO L276 IsEmpty]: Start isEmpty. Operand 455 states and 523 transitions. [2018-04-11 13:43:24,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2018-04-11 13:43:24,761 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 13:43:24,761 INFO L355 BasicCegarLoop]: trace histogram [5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 3, 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] [2018-04-11 13:43:24,761 INFO L408 AbstractCegarLoop]: === Iteration 88 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr29AssertViolationMEMORY_FREE, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr30AssertViolationMEMORY_FREE, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr32EnsuresViolationMEMORY_LEAK, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr31AssertViolationMEMORY_FREE, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr28AssertViolationMEMORY_FREE, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation]=== [2018-04-11 13:43:24,761 INFO L82 PathProgramCache]: Analyzing trace with hash 951565842, now seen corresponding path program 11 times [2018-04-11 13:43:24,761 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 13:43:24,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 13:43:24,771 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 13:43:25,410 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 0 proven. 91 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:43:25,410 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-11 13:43:25,410 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [33] total 33 [2018-04-11 13:43:25,410 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 13:43:25,410 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 13:43:25,411 INFO L182 omatonBuilderFactory]: Interpolants [63173#true, 63174#false, 63175#(= 0 |main_#t~malloc0.offset|), 63176#(= 0 main_~a~0.offset), 63177#(and (= 0 main_~a~0.offset) (= main_~p~0.offset 0) (= main_~p~0.base main_~a~0.base)), 63178#(and (= 0 main_~a~0.offset) (= main_~p~0.offset 0) (= (select |#valid| main_~p~0.base) 1) (= main_~p~0.base main_~a~0.base)), 63179#(and (not (= main_~p~0.base |main_#t~malloc9.base|)) (= 0 |main_#t~malloc9.offset|) (= 0 main_~a~0.offset) (= main_~p~0.offset 0) (= main_~p~0.base main_~a~0.base)), 63180#(and (= 0 main_~a~0.offset) (= 0 main_~t~0.offset) (= main_~p~0.offset 0) (not (= main_~p~0.base main_~t~0.base)) (= main_~p~0.base main_~a~0.base)), 63181#(and (= 0 main_~a~0.offset) (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= main_~p~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4))) (= (select |#valid| main_~p~0.base) 1) (= main_~p~0.base main_~a~0.base)), 63182#(and (= (select |#valid| main_~a~0.base) 1) (= 0 main_~a~0.offset) (= (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)) |main_#t~mem10.base|) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (not (= main_~a~0.base |main_#t~mem10.base|)) (= 0 |main_#t~mem10.offset|)), 63183#(and (= (select |#valid| main_~a~0.base) 1) (= 0 main_~a~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~p~0.offset 0) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (not (= main_~p~0.base main_~a~0.base))), 63184#(and (= (select |#valid| main_~a~0.base) 1) (= 0 main_~a~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~p~0.offset 0) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (= (select |#valid| main_~p~0.base) 1) (not (= main_~p~0.base main_~a~0.base))), 63185#(and (not (= main_~p~0.base |main_#t~malloc9.base|)) (= (select |#valid| main_~a~0.base) 1) (= 0 main_~a~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~p~0.offset 0) (not (= main_~a~0.base |main_#t~malloc9.base|)) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (not (= main_~p~0.base main_~a~0.base))), 63186#(and (= (select |#valid| main_~a~0.base) 1) (= 0 main_~a~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~p~0.offset 0) (not (= main_~p~0.base main_~t~0.base)) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (not (= main_~p~0.base main_~a~0.base)) (not (= main_~a~0.base main_~t~0.base))), 63187#(and (not (= main_~a~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= (select |#valid| main_~a~0.base) 1) (= 0 main_~a~0.offset) (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~p~0.offset 0) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (= (select |#valid| main_~p~0.base) 1)), 63188#(and (= (select |#valid| main_~a~0.base) 1) (= 0 main_~a~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (not (= (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)) |main_#t~mem10.base|)) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) 1) (= |main_#t~mem10.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (not (= main_~a~0.base |main_#t~mem10.base|))), 63189#(and (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= (select |#valid| main_~a~0.base) 1) (= 0 main_~a~0.offset) (= main_~p~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) 1) (not (= main_~p~0.base main_~a~0.base))), 63190#(and (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= 0 main_~a~0.offset) (= main_~p~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (not (= main_~a~0.base |main_#t~malloc9.base|)) (not (= main_~p~0.base main_~a~0.base)) (not (= (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)) |main_#t~malloc9.base|))), 63191#(and (not (= (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)) main_~t~0.base)) (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= 0 main_~a~0.offset) (= main_~p~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (not (= main_~p~0.base main_~a~0.base)) (not (= main_~a~0.base main_~t~0.base))), 63192#(and (not (= main_~a~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= 0 main_~a~0.offset) (not (= (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)) (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= main_~p~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= 1 (select |#valid| main_~p~0.base))), 63193#(and (= 0 main_~a~0.offset) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (not (= (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)) |main_#t~mem10.base|)) (not (= main_~a~0.base |main_#t~mem10.base|))), 63194#(and (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= 0 main_~a~0.offset) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (not (= main_~p~0.base main_~a~0.base))), 63195#(and (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= 0 main_~a~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (or (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4)))) (= |main_#t~malloc9.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4)))) (not (= main_~p~0.base main_~a~0.base))), 63196#(and (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= 0 main_~a~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (or (= main_~t~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))))) (not (= main_~p~0.base main_~a~0.base))), 63197#(and (= 0 main_~a~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (or (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4)))) (= (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))))), 63198#(and (= 0 main_~a~0.offset) (or (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4)))) (= |main_#t~mem10.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4)))), 63199#(and (= 0 main_~a~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (or (= main_~p~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4)))))), 63200#(and (= 0 main_~a~0.offset) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4)))), 63201#(and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) (+ 0 4)))) (= main_~p~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4)))), 63202#(and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| |main_#t~mem16.base|) (+ 0 4)))) (= 0 |main_#t~mem16.offset|)), 63203#(or (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (<= (+ main_~p~0.offset 1) 0)), 63204#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))), 63205#(= 1 (select |#valid| |main_#t~mem16.base|)), 63206#(= 1 (select |#valid| main_~p~0.base))] [2018-04-11 13:43:25,411 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 0 proven. 91 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:43:25,411 INFO L442 AbstractCegarLoop]: Interpolant automaton has 34 states [2018-04-11 13:43:25,411 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2018-04-11 13:43:25,411 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=131, Invalid=991, Unknown=0, NotChecked=0, Total=1122 [2018-04-11 13:43:25,411 INFO L87 Difference]: Start difference. First operand 455 states and 523 transitions. Second operand 34 states. [2018-04-11 13:43:26,633 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 13:43:26,633 INFO L93 Difference]: Finished difference Result 547 states and 617 transitions. [2018-04-11 13:43:26,633 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2018-04-11 13:43:26,633 INFO L78 Accepts]: Start accepts. Automaton has 34 states. Word has length 79 [2018-04-11 13:43:26,633 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 13:43:26,634 INFO L225 Difference]: With dead ends: 547 [2018-04-11 13:43:26,634 INFO L226 Difference]: Without dead ends: 547 [2018-04-11 13:43:26,634 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 61 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 866 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=542, Invalid=3364, Unknown=0, NotChecked=0, Total=3906 [2018-04-11 13:43:26,635 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 547 states. [2018-04-11 13:43:26,637 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 547 to 481. [2018-04-11 13:43:26,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 481 states. [2018-04-11 13:43:26,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 481 states to 481 states and 551 transitions. [2018-04-11 13:43:26,637 INFO L78 Accepts]: Start accepts. Automaton has 481 states and 551 transitions. Word has length 79 [2018-04-11 13:43:26,637 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 13:43:26,637 INFO L459 AbstractCegarLoop]: Abstraction has 481 states and 551 transitions. [2018-04-11 13:43:26,637 INFO L460 AbstractCegarLoop]: Interpolant automaton has 34 states. [2018-04-11 13:43:26,637 INFO L276 IsEmpty]: Start isEmpty. Operand 481 states and 551 transitions. [2018-04-11 13:43:26,638 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2018-04-11 13:43:26,638 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 13:43:26,638 INFO L355 BasicCegarLoop]: trace histogram [5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 3, 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] [2018-04-11 13:43:26,638 INFO L408 AbstractCegarLoop]: === Iteration 89 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr29AssertViolationMEMORY_FREE, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr30AssertViolationMEMORY_FREE, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr32EnsuresViolationMEMORY_LEAK, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr31AssertViolationMEMORY_FREE, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr28AssertViolationMEMORY_FREE, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation]=== [2018-04-11 13:43:26,638 INFO L82 PathProgramCache]: Analyzing trace with hash 951565843, now seen corresponding path program 8 times [2018-04-11 13:43:26,638 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 13:43:26,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 13:43:26,647 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 13:43:27,301 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 0 proven. 91 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:43:27,302 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-11 13:43:27,302 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [30] total 30 [2018-04-11 13:43:27,302 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 13:43:27,302 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 13:43:27,302 INFO L182 omatonBuilderFactory]: Interpolants [64320#(or (and (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4))) (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))))) (<= (+ main_~p~0.offset 1) 0)), 64321#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4))) (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))))), 64322#(and (<= 8 (select |#length| |main_#t~mem16.base|)) (= 0 |main_#t~mem16.offset|)), 64323#(and (= main_~p~0.offset 0) (<= 8 (select |#length| main_~p~0.base))), 64293#true, 64294#false, 64295#(= 0 |main_#t~malloc0.offset|), 64296#(= 0 main_~a~0.offset), 64297#(and (= 0 main_~a~0.offset) (= main_~p~0.offset 0) (= main_~p~0.base main_~a~0.base)), 64298#(and (= 0 main_~a~0.offset) (= main_~p~0.offset 0) (= (select |#valid| main_~p~0.base) 1) (= main_~p~0.base main_~a~0.base)), 64299#(and (not (= main_~p~0.base |main_#t~malloc9.base|)) (= 0 |main_#t~malloc9.offset|) (= 0 main_~a~0.offset) (= main_~p~0.offset 0) (= main_~p~0.base main_~a~0.base)), 64300#(and (= 0 main_~a~0.offset) (= 0 main_~t~0.offset) (= main_~p~0.offset 0) (not (= main_~p~0.base main_~t~0.base)) (= main_~p~0.base main_~a~0.base)), 64301#(and (= 0 main_~a~0.offset) (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= main_~p~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4))) (= (select |#valid| main_~p~0.base) 1) (= main_~p~0.base main_~a~0.base)), 64302#(and (= (select |#valid| main_~a~0.base) 1) (= 0 main_~a~0.offset) (= (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)) |main_#t~mem10.base|) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (not (= main_~a~0.base |main_#t~mem10.base|)) (= 0 |main_#t~mem10.offset|)), 64303#(and (= (select |#valid| main_~a~0.base) 1) (= 0 main_~a~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= 0 main_~p~0.offset) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (not (= main_~p~0.base main_~a~0.base))), 64304#(and (= (select |#valid| main_~a~0.base) 1) (= 0 main_~a~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= 0 main_~p~0.offset) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (= (select |#valid| main_~p~0.base) 1) (not (= main_~p~0.base main_~a~0.base))), 64305#(and (not (= main_~p~0.base |main_#t~malloc9.base|)) (= 0 |main_#t~malloc9.offset|) (= (select |#valid| main_~a~0.base) 1) (= 0 main_~a~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= 0 main_~p~0.offset) (not (= main_~a~0.base |main_#t~malloc9.base|)) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (not (= main_~p~0.base main_~a~0.base))), 64306#(and (= (select |#valid| main_~a~0.base) 1) (= 0 main_~a~0.offset) (= 0 main_~t~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (not (= main_~p~0.base main_~t~0.base)) (= 0 main_~p~0.offset) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (not (= main_~p~0.base main_~a~0.base)) (not (= main_~a~0.base main_~t~0.base))), 64307#(and (not (= main_~a~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= (select |#valid| main_~a~0.base) 1) (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ 0 4))) (= 0 main_~a~0.offset) (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~p~0.offset 0) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (= (select |#valid| main_~p~0.base) 1)), 64308#(and (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4)) |main_#t~mem10.base|) (= (select |#valid| main_~a~0.base) 1) (= 0 main_~a~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (not (= (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)) |main_#t~mem10.base|)) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) 1) (not (= main_~a~0.base |main_#t~mem10.base|))), 64309#(and (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= (select |#valid| main_~a~0.base) 1) (= 0 main_~a~0.offset) (= main_~p~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) 1) (not (= main_~p~0.base main_~a~0.base))), 64310#(and (<= 0 main_~p~0.offset) (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= (select |#valid| main_~a~0.base) 1) (= 0 main_~a~0.offset) (= main_~p~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) 1) (not (= main_~p~0.base main_~a~0.base))), 64311#(and (<= 0 main_~p~0.offset) (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= 0 main_~a~0.offset) (= main_~p~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (not (= main_~a~0.base |main_#t~malloc9.base|)) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (not (= main_~p~0.base main_~a~0.base)) (not (= (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)) |main_#t~malloc9.base|))), 64312#(and (<= 0 main_~p~0.offset) (not (= (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)) main_~t~0.base)) (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= 0 main_~a~0.offset) (= main_~p~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (not (= main_~p~0.base main_~a~0.base)) (not (= main_~a~0.base main_~t~0.base))), 64313#(and (not (= main_~a~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (not (= (select |#valid| main_~p~0.base) 0)) (= 0 main_~a~0.offset) (not (= (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)) (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= main_~p~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (<= 8 (select |#length| main_~p~0.base))), 64314#(and (= 0 main_~a~0.offset) (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (not (= (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)) |main_#t~mem10.base|)) (not (= (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) 0)) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (not (= main_~a~0.base |main_#t~mem10.base|))), 64315#(and (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= 0 main_~a~0.offset) (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (not (= (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) 0)) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (not (= main_~p~0.base main_~a~0.base))), 64316#(and (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= 0 main_~a~0.offset) (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (not (= main_~p~0.base main_~a~0.base))), 64317#(and (= 0 main_~a~0.offset) (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4)))), 64318#(and (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) (+ 0 4)))) (= main_~p~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) (+ 0 4)))), 64319#(and (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem16.base|) (+ 0 4))) (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| |main_#t~mem16.base|) (+ 0 4)))) (= 0 |main_#t~mem16.offset|))] [2018-04-11 13:43:27,302 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 0 proven. 91 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:43:27,302 INFO L442 AbstractCegarLoop]: Interpolant automaton has 31 states [2018-04-11 13:43:27,302 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2018-04-11 13:43:27,302 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=97, Invalid=833, Unknown=0, NotChecked=0, Total=930 [2018-04-11 13:43:27,303 INFO L87 Difference]: Start difference. First operand 481 states and 551 transitions. Second operand 31 states. [2018-04-11 13:43:28,656 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 13:43:28,656 INFO L93 Difference]: Finished difference Result 561 states and 631 transitions. [2018-04-11 13:43:28,656 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2018-04-11 13:43:28,656 INFO L78 Accepts]: Start accepts. Automaton has 31 states. Word has length 79 [2018-04-11 13:43:28,657 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 13:43:28,657 INFO L225 Difference]: With dead ends: 561 [2018-04-11 13:43:28,658 INFO L226 Difference]: Without dead ends: 560 [2018-04-11 13:43:28,658 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 60 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 852 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=456, Invalid=3326, Unknown=0, NotChecked=0, Total=3782 [2018-04-11 13:43:28,658 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 560 states. [2018-04-11 13:43:28,662 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 560 to 481. [2018-04-11 13:43:28,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 481 states. [2018-04-11 13:43:28,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 481 states to 481 states and 551 transitions. [2018-04-11 13:43:28,663 INFO L78 Accepts]: Start accepts. Automaton has 481 states and 551 transitions. Word has length 79 [2018-04-11 13:43:28,663 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 13:43:28,663 INFO L459 AbstractCegarLoop]: Abstraction has 481 states and 551 transitions. [2018-04-11 13:43:28,663 INFO L460 AbstractCegarLoop]: Interpolant automaton has 31 states. [2018-04-11 13:43:28,663 INFO L276 IsEmpty]: Start isEmpty. Operand 481 states and 551 transitions. [2018-04-11 13:43:28,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2018-04-11 13:43:28,664 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 13:43:28,664 INFO L355 BasicCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 13:43:28,664 INFO L408 AbstractCegarLoop]: === Iteration 90 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr29AssertViolationMEMORY_FREE, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr30AssertViolationMEMORY_FREE, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr32EnsuresViolationMEMORY_LEAK, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr31AssertViolationMEMORY_FREE, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr28AssertViolationMEMORY_FREE, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation]=== [2018-04-11 13:43:28,664 INFO L82 PathProgramCache]: Analyzing trace with hash 1123618521, now seen corresponding path program 9 times [2018-04-11 13:43:28,665 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 13:43:28,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 13:43:28,675 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 13:43:29,844 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 0 proven. 54 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:43:29,845 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-11 13:43:29,845 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [38] total 38 [2018-04-11 13:43:29,845 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 13:43:29,845 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 13:43:29,845 INFO L182 omatonBuilderFactory]: Interpolants [65428#true, 65429#false, 65430#(= |main_#t~malloc0.offset| 0), 65431#(= main_~a~0.offset 0), 65432#(and (= main_~p~0.offset 0) (= main_~a~0.offset 0) (= main_~p~0.base main_~a~0.base)), 65433#(and (= main_~p~0.offset 0) (= main_~a~0.offset 0) (= (select |#valid| main_~p~0.base) 1) (= main_~p~0.base main_~a~0.base)), 65434#(and (= main_~p~0.offset 0) (= main_~a~0.offset 0) (not (= main_~p~0.base |main_#t~malloc4.base|)) (= main_~p~0.base main_~a~0.base) (= 0 |main_#t~malloc4.offset|)), 65435#(and (= main_~p~0.offset 0) (= main_~a~0.offset 0) (not (= main_~p~0.base main_~t~0.base)) (= main_~p~0.base main_~a~0.base) (= main_~t~0.offset 0)), 65436#(and (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= main_~p~0.offset 0) (= main_~a~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4))) (= (select |#valid| main_~p~0.base) 1) (= main_~p~0.base main_~a~0.base)), 65437#(and (not (= main_~a~0.base |main_#t~mem5.base|)) (= (select |#valid| main_~a~0.base) 1) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~a~0.offset 0) (= (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)) |main_#t~mem5.base|) (= 0 |main_#t~mem5.offset|)), 65438#(and (= (select |#valid| main_~a~0.base) 1) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~p~0.offset 0) (= main_~a~0.offset 0) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (not (= main_~p~0.base main_~a~0.base))), 65439#(and (= (select |#valid| main_~a~0.base) 1) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~p~0.offset 0) (= main_~a~0.offset 0) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (= (select |#valid| main_~p~0.base) 1) (not (= main_~p~0.base main_~a~0.base))), 65440#(and (not (= main_~p~0.base |main_#t~malloc9.base|)) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~p~0.offset 0) (= main_~a~0.offset 0) (not (= main_~a~0.base |main_#t~malloc9.base|)) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (not (= main_~p~0.base main_~a~0.base))), 65441#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~p~0.offset 0) (not (= main_~p~0.base main_~t~0.base)) (= main_~a~0.offset 0) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (not (= main_~p~0.base main_~a~0.base)) (not (= main_~a~0.base main_~t~0.base))), 65442#(and (not (= main_~a~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~p~0.offset 0) (= main_~a~0.offset 0) (= 1 (select |#valid| main_~p~0.base)) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))), 65443#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (not (= (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)) |main_#t~mem10.base|)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= main_~a~0.offset 0) (= |main_#t~mem10.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (not (= main_~a~0.base |main_#t~mem10.base|))), 65444#(and (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= main_~p~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= main_~a~0.offset 0) (not (= main_~p~0.base main_~a~0.base))), 65445#(and (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= main_~a~0.offset |main_#t~malloc9.offset|) (= 0 main_~a~0.offset) (= main_~p~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= (select |#valid| |main_#t~malloc9.base|) 1) (not (= main_~p~0.base main_~a~0.base)) (not (= (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)) |main_#t~malloc9.base|))), 65446#(and (not (= (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)) main_~t~0.base)) (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= 0 main_~a~0.offset) (= main_~p~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (= main_~a~0.offset main_~t~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (not (= main_~p~0.base main_~a~0.base)) (= (select |#valid| main_~t~0.base) 1)), 65447#(and (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) 1) (= 0 main_~a~0.offset) (not (= (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)) (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= main_~p~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~a~0.offset (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4))) (= 1 (select |#valid| main_~p~0.base))), 65448#(and (= 0 main_~a~0.offset) (= main_~a~0.offset |main_#t~mem10.offset|) (= (select |#valid| |main_#t~mem10.base|) 1) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (not (= (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)) |main_#t~mem10.base|))), 65449#(and (= 0 main_~a~0.offset) (= main_~p~0.offset main_~a~0.offset) (or (and (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (not (= main_~p~0.base main_~a~0.base))) (and (= (select |#valid| main_~p~0.base) 1) (= main_~p~0.base main_~a~0.base)))), 65450#(and (= 0 main_~a~0.offset) (or (and (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (not (= main_~p~0.base main_~a~0.base))) (and (= 2 (select (select |#memory_int| main_~p~0.base) main_~a~0.offset)) (= (select |#valid| main_~p~0.base) 1) (= main_~p~0.base main_~a~0.base)))), 65451#(and (or (and (not (= main_~p~0.base |main_#t~malloc9.base|)) (= 2 (select (select |#memory_int| main_~p~0.base) main_~a~0.offset)) (= main_~p~0.base main_~a~0.base)) (and (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (or (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4)))) (= |main_#t~malloc9.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4)))) (not (= main_~p~0.base main_~a~0.base)))) (= 0 main_~a~0.offset)), 65452#(and (or (and (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (or (= main_~t~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))))) (not (= main_~p~0.base main_~a~0.base))) (and (not (= main_~p~0.base main_~t~0.base)) (= 2 (select (select |#memory_int| main_~p~0.base) main_~a~0.offset)) (= main_~p~0.base main_~a~0.base))) (= 0 main_~a~0.offset)), 65453#(and (= 0 main_~a~0.offset) (or (and (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (or (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4)))) (= (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))))) (and (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= 2 (select (select |#memory_int| main_~p~0.base) main_~a~0.offset)) (= main_~p~0.base main_~a~0.base)))), 65454#(and (or (and (or (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4)))) (= |main_#t~mem10.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4)))) (and (not (= main_~a~0.base |main_#t~mem10.base|)) (= 2 (select (select |#memory_int| main_~a~0.base) main_~a~0.offset)))) (= 0 main_~a~0.offset)), 65455#(and (= 0 main_~a~0.offset) (or (and (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (or (= main_~p~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4)))))) (and (not (= main_~p~0.base main_~a~0.base)) (= 2 (select (select |#memory_int| main_~a~0.base) main_~a~0.offset))))), 65456#(and (or (and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4)))) (= 2 (select (select |#memory_int| main_~a~0.base) main_~a~0.offset))) (= 0 main_~a~0.offset)), 65457#(and (= main_~p~0.offset 0) (or (and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) (+ 0 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4)))) (= 2 (select (select |#memory_int| main_~p~0.base) main_~p~0.offset)))), 65458#(and (= main_~p~0.offset 0) (or (and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) (+ 0 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4)))) (= 2 |main_#t~mem11|))), 65459#(and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) (+ 0 4)))) (= main_~p~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4)))), 65460#(and (= 0 |main_#t~mem13.offset|) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| |main_#t~mem13.base|) (+ 0 4))))), 65461#(or (<= (+ main_~p~0.offset 1) 0) (and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= main_~p~0.offset 0))), 65462#(and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= main_~p~0.offset 0)), 65463#(or (not (= 2 (select (select |#memory_int| main_~p~0.base) main_~p~0.offset))) (and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= main_~p~0.offset 0))), 65464#(or (not (= 2 |main_#t~mem14|)) (and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= main_~p~0.offset 0))), 65465#(= 1 (select |#valid| |main_#t~mem16.base|)), 65466#(= 1 (select |#valid| main_~p~0.base))] [2018-04-11 13:43:29,846 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 0 proven. 54 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:43:29,846 INFO L442 AbstractCegarLoop]: Interpolant automaton has 39 states [2018-04-11 13:43:29,846 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 39 interpolants. [2018-04-11 13:43:29,846 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=136, Invalid=1346, Unknown=0, NotChecked=0, Total=1482 [2018-04-11 13:43:29,846 INFO L87 Difference]: Start difference. First operand 481 states and 551 transitions. Second operand 39 states. [2018-04-11 13:43:33,347 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 13:43:33,347 INFO L93 Difference]: Finished difference Result 554 states and 624 transitions. [2018-04-11 13:43:33,347 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2018-04-11 13:43:33,347 INFO L78 Accepts]: Start accepts. Automaton has 39 states. Word has length 79 [2018-04-11 13:43:33,347 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 13:43:33,348 INFO L225 Difference]: With dead ends: 554 [2018-04-11 13:43:33,348 INFO L226 Difference]: Without dead ends: 554 [2018-04-11 13:43:33,349 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 91 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 89 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1941 ImplicationChecksByTransitivity, 3.2s TimeCoverageRelationStatistics Valid=997, Invalid=7193, Unknown=0, NotChecked=0, Total=8190 [2018-04-11 13:43:33,349 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 554 states. [2018-04-11 13:43:33,351 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 554 to 486. [2018-04-11 13:43:33,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 486 states. [2018-04-11 13:43:33,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 486 states to 486 states and 556 transitions. [2018-04-11 13:43:33,351 INFO L78 Accepts]: Start accepts. Automaton has 486 states and 556 transitions. Word has length 79 [2018-04-11 13:43:33,351 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 13:43:33,351 INFO L459 AbstractCegarLoop]: Abstraction has 486 states and 556 transitions. [2018-04-11 13:43:33,351 INFO L460 AbstractCegarLoop]: Interpolant automaton has 39 states. [2018-04-11 13:43:33,351 INFO L276 IsEmpty]: Start isEmpty. Operand 486 states and 556 transitions. [2018-04-11 13:43:33,352 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2018-04-11 13:43:33,352 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 13:43:33,352 INFO L355 BasicCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 13:43:33,352 INFO L408 AbstractCegarLoop]: === Iteration 91 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr29AssertViolationMEMORY_FREE, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr30AssertViolationMEMORY_FREE, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr32EnsuresViolationMEMORY_LEAK, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr31AssertViolationMEMORY_FREE, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr28AssertViolationMEMORY_FREE, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation]=== [2018-04-11 13:43:33,352 INFO L82 PathProgramCache]: Analyzing trace with hash 1123618522, now seen corresponding path program 5 times [2018-04-11 13:43:33,352 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 13:43:33,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 13:43:33,362 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 13:43:34,048 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 0 proven. 54 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:43:34,048 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-11 13:43:34,063 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [28] total 28 [2018-04-11 13:43:34,063 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 13:43:34,063 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 13:43:34,063 INFO L182 omatonBuilderFactory]: Interpolants [66625#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (not (= main_~a~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= (select |#valid| main_~a~0.base) 1) (= 0 main_~a~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ 0 4))) (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= main_~p~0.offset 0) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (= (select |#valid| main_~p~0.base) 1) (= 8 (select |#length| main_~p~0.base))), 66624#(and (= 8 (select |#length| main_~t~0.base)) (= (select |#valid| main_~a~0.base) 1) (= 0 main_~a~0.offset) (= 0 main_~t~0.offset) (= main_~p~0.offset 0) (not (= main_~p~0.base main_~t~0.base)) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (not (= main_~p~0.base main_~a~0.base)) (= 8 (select |#length| main_~p~0.base)) (not (= main_~a~0.base main_~t~0.base))), 66627#(and (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= (select |#valid| main_~a~0.base) 1) (= 0 main_~a~0.offset) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= main_~p~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) 1) (not (= main_~p~0.base main_~a~0.base)) (= 8 (select |#length| main_~p~0.base))), 66626#(and (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4)) |main_#t~mem10.base|) (= (select |#valid| main_~a~0.base) 1) (= 0 main_~a~0.offset) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (not (= (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)) |main_#t~mem10.base|)) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) 1) (= 8 (select |#length| |main_#t~mem10.base|)) (not (= main_~a~0.base |main_#t~mem10.base|))), 66629#(and (not (= (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)) main_~t~0.base)) (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= 0 main_~a~0.offset) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= main_~p~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (not (= main_~p~0.base main_~a~0.base)) (= 8 (select |#length| main_~p~0.base)) (not (= main_~a~0.base main_~t~0.base))), 66628#(and (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= 0 main_~a~0.offset) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= main_~p~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (not (= main_~a~0.base |main_#t~malloc9.base|)) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (not (= main_~p~0.base main_~a~0.base)) (= 8 (select |#length| main_~p~0.base)) (not (= (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)) |main_#t~malloc9.base|))), 66631#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4)))) (= 0 main_~a~0.offset) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (not (= (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)) |main_#t~mem10.base|)) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (not (= main_~a~0.base |main_#t~mem10.base|))), 66630#(and (not (= main_~a~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= 0 main_~a~0.offset) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (not (= (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)) (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= main_~p~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (= 8 (select |#length| main_~p~0.base))), 66633#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4)))) (= 0 main_~a~0.offset) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4)))), 66632#(and (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4)))) (= 0 main_~a~0.offset) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (not (= main_~p~0.base main_~a~0.base))), 66635#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| |main_#t~mem13.base|) (+ 0 4)))) (= 8 (select |#length| |main_#t~mem13.base|)) (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem13.base|) (+ 0 4)))), 66634#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) (+ 0 4)))) (= main_~p~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) (+ 0 4)))), 66637#(and (= (select |#length| main_~p~0.base) 8) (or (and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4)))) (<= 1 main_~p~0.offset))), 66636#(or (<= (+ main_~p~0.offset 1) 0) (and (or (and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4)))) (<= 1 main_~p~0.offset)) (= 8 (select |#length| main_~p~0.base)))), 66639#(and (= main_~p~0.offset 0) (= 8 (select |#length| main_~p~0.base))), 66638#(and (= 0 |main_#t~mem16.offset|) (= 8 (select |#length| |main_#t~mem16.base|))), 66611#true, 66613#(= 0 |main_#t~malloc0.offset|), 66612#false, 66615#(and (= 0 main_~a~0.offset) (= main_~p~0.offset 0) (= main_~p~0.base main_~a~0.base)), 66614#(= 0 main_~a~0.offset), 66617#(and (= 0 main_~a~0.offset) (= main_~p~0.offset 0) (not (= main_~p~0.base |main_#t~malloc4.base|)) (= main_~p~0.base main_~a~0.base) (= 0 |main_#t~malloc4.offset|) (= 8 (select |#length| |main_#t~malloc4.base|))), 66616#(and (= 0 main_~a~0.offset) (= main_~p~0.offset 0) (= (select |#valid| main_~p~0.base) 1) (= main_~p~0.base main_~a~0.base)), 66619#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= 0 main_~a~0.offset) (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= main_~p~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4))) (= (select |#valid| main_~p~0.base) 1) (= main_~p~0.base main_~a~0.base)), 66618#(and (= 8 (select |#length| main_~t~0.base)) (= 0 main_~a~0.offset) (= 0 main_~t~0.offset) (= main_~p~0.offset 0) (not (= main_~p~0.base main_~t~0.base)) (= main_~p~0.base main_~a~0.base)), 66621#(and (= (select |#valid| main_~a~0.base) 1) (= 0 main_~a~0.offset) (= main_~p~0.offset 0) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (not (= main_~p~0.base main_~a~0.base)) (= 8 (select |#length| main_~p~0.base))), 66620#(and (not (= main_~a~0.base |main_#t~mem5.base|)) (= (select |#valid| main_~a~0.base) 1) (= 0 main_~a~0.offset) (= 8 (select |#length| |main_#t~mem5.base|)) (= |main_#t~mem5.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (= 0 |main_#t~mem5.offset|)), 66623#(and (not (= main_~p~0.base |main_#t~malloc9.base|)) (= 0 |main_#t~malloc9.offset|) (= (select |#valid| main_~a~0.base) 1) (= 0 main_~a~0.offset) (= main_~p~0.offset 0) (not (= main_~a~0.base |main_#t~malloc9.base|)) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (= 8 (select |#length| |main_#t~malloc9.base|)) (not (= main_~p~0.base main_~a~0.base)) (= 8 (select |#length| main_~p~0.base))), 66622#(and (= (select |#valid| main_~a~0.base) 1) (= 0 main_~a~0.offset) (= main_~p~0.offset 0) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (= (select |#valid| main_~p~0.base) 1) (not (= main_~p~0.base main_~a~0.base)) (= 8 (select |#length| main_~p~0.base)))] [2018-04-11 13:43:34,063 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 0 proven. 54 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:43:34,063 INFO L442 AbstractCegarLoop]: Interpolant automaton has 29 states [2018-04-11 13:43:34,063 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2018-04-11 13:43:34,064 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=104, Invalid=708, Unknown=0, NotChecked=0, Total=812 [2018-04-11 13:43:34,064 INFO L87 Difference]: Start difference. First operand 486 states and 556 transitions. Second operand 29 states. [2018-04-11 13:43:35,376 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 13:43:35,376 INFO L93 Difference]: Finished difference Result 566 states and 636 transitions. [2018-04-11 13:43:35,376 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2018-04-11 13:43:35,376 INFO L78 Accepts]: Start accepts. Automaton has 29 states. Word has length 79 [2018-04-11 13:43:35,376 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 13:43:35,377 INFO L225 Difference]: With dead ends: 566 [2018-04-11 13:43:35,377 INFO L226 Difference]: Without dead ends: 565 [2018-04-11 13:43:35,378 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 52 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 642 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=393, Invalid=2469, Unknown=0, NotChecked=0, Total=2862 [2018-04-11 13:43:35,378 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 565 states. [2018-04-11 13:43:35,380 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 565 to 481. [2018-04-11 13:43:35,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 481 states. [2018-04-11 13:43:35,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 481 states to 481 states and 551 transitions. [2018-04-11 13:43:35,381 INFO L78 Accepts]: Start accepts. Automaton has 481 states and 551 transitions. Word has length 79 [2018-04-11 13:43:35,381 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 13:43:35,381 INFO L459 AbstractCegarLoop]: Abstraction has 481 states and 551 transitions. [2018-04-11 13:43:35,381 INFO L460 AbstractCegarLoop]: Interpolant automaton has 29 states. [2018-04-11 13:43:35,381 INFO L276 IsEmpty]: Start isEmpty. Operand 481 states and 551 transitions. [2018-04-11 13:43:35,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2018-04-11 13:43:35,381 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 13:43:35,381 INFO L355 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 13:43:35,381 INFO L408 AbstractCegarLoop]: === Iteration 92 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr29AssertViolationMEMORY_FREE, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr30AssertViolationMEMORY_FREE, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr32EnsuresViolationMEMORY_LEAK, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr31AssertViolationMEMORY_FREE, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr28AssertViolationMEMORY_FREE, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation]=== [2018-04-11 13:43:35,382 INFO L82 PathProgramCache]: Analyzing trace with hash 818678959, now seen corresponding path program 10 times [2018-04-11 13:43:35,382 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 13:43:35,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 13:43:35,390 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 13:43:36,309 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 2 proven. 41 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:43:36,310 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-11 13:43:36,310 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [36] total 36 [2018-04-11 13:43:36,310 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 13:43:36,310 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 13:43:36,310 INFO L182 omatonBuilderFactory]: Interpolants [67737#true, 67739#(= 0 |main_#t~malloc0.offset|), 67738#false, 67741#(and (= 0 main_~a~0.offset) (= main_~p~0.offset 0) (= main_~p~0.base main_~a~0.base)), 67740#(= 0 main_~a~0.offset), 67743#(and (= (select |#valid| |main_#t~malloc4.base|) 1) (= 0 main_~a~0.offset) (= main_~p~0.offset 0) (not (= main_~p~0.base |main_#t~malloc4.base|)) (= main_~p~0.base main_~a~0.base) (= 0 |main_#t~malloc4.offset|)), 67742#(and (= 0 main_~a~0.offset) (= main_~p~0.offset 0) (= (select |#valid| main_~p~0.base) 1) (= main_~p~0.base main_~a~0.base)), 67745#(and (= 0 main_~a~0.offset) (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= main_~p~0.offset 0) (= (select |#valid| main_~p~0.base) (select |#valid| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4))) (= (select |#valid| main_~p~0.base) 1) (= main_~p~0.base main_~a~0.base)), 67744#(and (= 0 main_~a~0.offset) (= main_~p~0.offset 0) (not (= main_~p~0.base main_~t~0.base)) (= main_~p~0.base main_~a~0.base) (= main_~t~0.offset 0) (= (select |#valid| main_~t~0.base) 1)), 67747#(and (= (select |#valid| main_~a~0.base) 1) (= 0 main_~a~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~p~0.offset (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= (select |#valid| main_~p~0.base) 1) (not (= main_~p~0.base main_~a~0.base)) (= (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)) main_~p~0.base)), 67746#(and (not (= main_~a~0.base |main_#t~mem5.base|)) (= (select |#valid| main_~a~0.base) 1) (= 0 main_~a~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= |main_#t~mem5.offset| (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)) |main_#t~mem5.base|) (= (select |#valid| |main_#t~mem5.base|) 1)), 67749#(and (not (= main_~a~0.base |main_#t~malloc4.base|)) (= (select |#valid| main_~a~0.base) 1) (= 0 main_~a~0.offset) (= 1 (select (select |#memory_int| main_~p~0.base) (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (not (= main_~p~0.base |main_#t~malloc4.base|)) (not (= main_~p~0.base main_~a~0.base)) (= (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)) main_~p~0.base)), 67748#(and (= (select |#valid| main_~a~0.base) 1) (= 0 main_~a~0.offset) (= 1 (select (select |#memory_int| main_~p~0.base) (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= (select |#valid| main_~p~0.base) 1) (not (= main_~p~0.base main_~a~0.base)) (= (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)) main_~p~0.base)), 67751#(and (not (= main_~a~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= (select |#valid| main_~a~0.base) 1) (= 0 main_~a~0.offset) (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= 1 (select (select |#memory_int| main_~p~0.base) (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= 1 (select |#valid| main_~p~0.base)) (= (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)) main_~p~0.base)), 67750#(and (= (select |#valid| main_~a~0.base) 1) (= 0 main_~a~0.offset) (= 1 (select (select |#memory_int| main_~p~0.base) (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (not (= main_~p~0.base main_~t~0.base)) (not (= main_~p~0.base main_~a~0.base)) (= (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)) main_~p~0.base) (not (= main_~a~0.base main_~t~0.base))), 67753#(and (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= (select |#valid| main_~a~0.base) 1) (= 1 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4)))) (= 0 main_~a~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (not (= main_~p~0.base main_~a~0.base))), 67752#(and (not (= main_~a~0.base |main_#t~mem5.base|)) (= (select |#valid| main_~a~0.base) 1) (= 1 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4)))) (= 0 main_~a~0.offset) (not (= (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)) |main_#t~mem5.base|)) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))))), 67755#(and (= 1 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4)))) (= 0 main_~a~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (not (= main_~a~0.base |main_#t~malloc9.base|)) (not (= main_~p~0.base main_~a~0.base)) (not (= (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)) |main_#t~malloc9.base|))), 67754#(and (= (select |#valid| main_~a~0.base) 1) (= 1 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4)))) (= 0 main_~a~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (not (= main_~p~0.base main_~a~0.base))), 67757#(and (not (= main_~a~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= 1 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4)))) (= 0 main_~a~0.offset) (not (= (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)) (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4)))), 67756#(and (not (= (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)) main_~t~0.base)) (= 1 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4)))) (= 0 main_~a~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (not (= main_~p~0.base main_~a~0.base)) (not (= main_~a~0.base main_~t~0.base))), 67759#(and (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4)) 0) (= 1 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4)))) (= 0 main_~a~0.offset) (not (= main_~p~0.base main_~a~0.base))), 67758#(and (= 1 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4)))) (= 0 main_~a~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (not (= (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)) |main_#t~mem10.base|)) (not (= main_~a~0.base |main_#t~mem10.base|))), 67761#(and (= 0 main_~a~0.offset) (or (and (= 1 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4)))) (not (= (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)) |main_#t~malloc9.base|))) (and (= (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)) |main_#t~malloc9.base|) (= (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4)) |main_#t~malloc9.offset|))) (not (= main_~p~0.base main_~a~0.base))), 67760#(and (= (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4)) 0) (= 1 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4)))) (= 0 main_~a~0.offset) (not (= main_~p~0.base main_~a~0.base))), 67763#(and (or (and (= 1 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4)))) (not (= (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)) (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))))) (and (= (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4)) (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4))) (= (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)) (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))))) (= 0 main_~a~0.offset)), 67762#(and (or (and (not (= (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)) main_~t~0.base)) (= 1 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))))) (and (= (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4)) main_~t~0.offset) (= (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)) main_~t~0.base))) (= 0 main_~a~0.offset) (not (= main_~p~0.base main_~a~0.base))), 67765#(and (or (and (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= 1 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))))) (and (= main_~p~0.offset (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))))) (= 0 main_~a~0.offset)), 67764#(and (= 0 main_~a~0.offset) (or (and (= 1 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4)))) (not (= (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)) |main_#t~mem10.base|))) (and (= (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4)) |main_#t~mem10.offset|) (= (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)) |main_#t~mem10.base|)))), 67767#(and (or (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4))) 3) (= 1 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4))))) (= main_~p~0.offset 0)), 67766#(and (= 0 main_~a~0.offset) (or (= 1 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4)))) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) 3))), 67769#(or (= 1 (select (select |#memory_int| main_~p~0.base) main_~p~0.offset)) (= (select (select |#memory_int| main_~p~0.base) main_~p~0.offset) 3)), 67768#(or (= (select (select |#memory_int| |main_#t~mem13.base|) |main_#t~mem13.offset|) 3) (= 1 (select (select |#memory_int| |main_#t~mem13.base|) |main_#t~mem13.offset|))), 67771#(= (select (select |#memory_int| main_~p~0.base) main_~p~0.offset) 3), 67770#(or (and (= |main_#t~mem11| (select (select |#memory_int| main_~p~0.base) main_~p~0.offset)) (= 1 (select (select |#memory_int| main_~p~0.base) main_~p~0.offset))) (= (select (select |#memory_int| main_~p~0.base) main_~p~0.offset) 3)), 67772#(= |main_#t~mem14| 3)] [2018-04-11 13:43:36,311 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 2 proven. 41 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:43:36,311 INFO L442 AbstractCegarLoop]: Interpolant automaton has 36 states [2018-04-11 13:43:36,311 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 36 interpolants. [2018-04-11 13:43:36,311 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=143, Invalid=1117, Unknown=0, NotChecked=0, Total=1260 [2018-04-11 13:43:36,311 INFO L87 Difference]: Start difference. First operand 481 states and 551 transitions. Second operand 36 states. [2018-04-11 13:43:38,319 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 13:43:38,319 INFO L93 Difference]: Finished difference Result 608 states and 689 transitions. [2018-04-11 13:43:38,320 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2018-04-11 13:43:38,320 INFO L78 Accepts]: Start accepts. Automaton has 36 states. Word has length 79 [2018-04-11 13:43:38,320 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 13:43:38,320 INFO L225 Difference]: With dead ends: 608 [2018-04-11 13:43:38,320 INFO L226 Difference]: Without dead ends: 605 [2018-04-11 13:43:38,321 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 69 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 995 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=675, Invalid=4295, Unknown=0, NotChecked=0, Total=4970 [2018-04-11 13:43:38,321 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 605 states. [2018-04-11 13:43:38,323 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 605 to 512. [2018-04-11 13:43:38,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 512 states. [2018-04-11 13:43:38,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 512 states to 512 states and 584 transitions. [2018-04-11 13:43:38,323 INFO L78 Accepts]: Start accepts. Automaton has 512 states and 584 transitions. Word has length 79 [2018-04-11 13:43:38,323 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 13:43:38,323 INFO L459 AbstractCegarLoop]: Abstraction has 512 states and 584 transitions. [2018-04-11 13:43:38,323 INFO L460 AbstractCegarLoop]: Interpolant automaton has 36 states. [2018-04-11 13:43:38,323 INFO L276 IsEmpty]: Start isEmpty. Operand 512 states and 584 transitions. [2018-04-11 13:43:38,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2018-04-11 13:43:38,324 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 13:43:38,324 INFO L355 BasicCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 13:43:38,324 INFO L408 AbstractCegarLoop]: === Iteration 93 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr29AssertViolationMEMORY_FREE, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr30AssertViolationMEMORY_FREE, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr32EnsuresViolationMEMORY_LEAK, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr31AssertViolationMEMORY_FREE, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr28AssertViolationMEMORY_FREE, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation]=== [2018-04-11 13:43:38,324 INFO L82 PathProgramCache]: Analyzing trace with hash -1607640935, now seen corresponding path program 11 times [2018-04-11 13:43:38,324 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 13:43:38,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 13:43:38,333 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 13:43:38,906 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 0 proven. 52 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-04-11 13:43:38,906 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-11 13:43:38,906 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [34] total 34 [2018-04-11 13:43:38,906 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 13:43:38,907 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 13:43:38,907 INFO L182 omatonBuilderFactory]: Interpolants [68993#(and (= main_~p~0.offset 0) (= 1 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4))))), 68992#(and (= 1 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4)))) (= 0 main_~a~0.offset)), 68995#(= 1 (select (select |#memory_int| main_~p~0.base) main_~p~0.offset)), 68994#(= 1 (select (select |#memory_int| |main_#t~mem13.base|) |main_#t~mem13.offset|)), 68996#(and (= |main_#t~mem11| (select (select |#memory_int| main_~p~0.base) main_~p~0.offset)) (= 1 (select (select |#memory_int| main_~p~0.base) main_~p~0.offset))), 68963#true, 68965#(= 0 |main_#t~malloc0.offset|), 68964#false, 68967#(and (= 0 main_~a~0.offset) (= main_~p~0.offset 0) (= main_~p~0.base main_~a~0.base)), 68966#(= 0 main_~a~0.offset), 68969#(and (= (select |#valid| |main_#t~malloc4.base|) 1) (= 0 main_~a~0.offset) (= main_~p~0.offset 0) (not (= main_~p~0.base |main_#t~malloc4.base|)) (= main_~p~0.base main_~a~0.base)), 68968#(and (= 0 main_~a~0.offset) (= main_~p~0.offset 0) (= (select |#valid| main_~p~0.base) 1) (= main_~p~0.base main_~a~0.base)), 68971#(and (= 0 main_~a~0.offset) (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= main_~p~0.offset 0) (= (select |#valid| main_~p~0.base) (select |#valid| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= (select |#valid| main_~p~0.base) 1) (= main_~p~0.base main_~a~0.base)), 68970#(and (= 0 main_~a~0.offset) (= main_~p~0.offset 0) (not (= main_~p~0.base main_~t~0.base)) (= main_~p~0.base main_~a~0.base) (= (select |#valid| main_~t~0.base) 1)), 68973#(and (= (select |#valid| main_~a~0.base) 1) (= 0 main_~a~0.offset) (= main_~p~0.offset (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (= (select |#valid| main_~p~0.base) 1) (not (= main_~p~0.base main_~a~0.base))), 68972#(and (not (= main_~a~0.base |main_#t~mem5.base|)) (= (select |#valid| main_~a~0.base) 1) (= 0 main_~a~0.offset) (= |main_#t~mem5.offset| (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)) |main_#t~mem5.base|) (= (select |#valid| |main_#t~mem5.base|) 1)), 68975#(and (not (= main_~a~0.base |main_#t~malloc4.base|)) (= (select |#valid| main_~a~0.base) 1) (= 0 main_~a~0.offset) (= 1 (select (select |#memory_int| main_~p~0.base) (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4)))) (not (= main_~p~0.base |main_#t~malloc4.base|)) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (not (= main_~p~0.base main_~a~0.base))), 68974#(and (= (select |#valid| main_~a~0.base) 1) (= 0 main_~a~0.offset) (= 1 (select (select |#memory_int| main_~p~0.base) (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4)))) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (= (select |#valid| main_~p~0.base) 1) (not (= main_~p~0.base main_~a~0.base))), 68977#(and (not (= main_~a~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= (select |#valid| main_~a~0.base) 1) (= 0 main_~a~0.offset) (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= 1 (select (select |#memory_int| main_~p~0.base) (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4)))) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (= (select |#valid| main_~p~0.base) 1)), 68976#(and (= (select |#valid| main_~a~0.base) 1) (= 0 main_~a~0.offset) (= 1 (select (select |#memory_int| main_~p~0.base) (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4)))) (not (= main_~p~0.base main_~t~0.base)) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (not (= main_~p~0.base main_~a~0.base)) (not (= main_~a~0.base main_~t~0.base))), 68979#(and (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= (select |#valid| main_~a~0.base) 1) (= 1 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4)))) (= 0 main_~a~0.offset) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) 1) (not (= main_~p~0.base main_~a~0.base))), 68978#(and (not (= main_~a~0.base |main_#t~mem5.base|)) (= (select |#valid| main_~a~0.base) 1) (= 1 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4)))) (= 0 main_~a~0.offset) (not (= (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)) |main_#t~mem5.base|)) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) 1)), 68981#(and (not (= main_~a~0.base |main_#t~malloc4.base|)) (not (= (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)) |main_#t~malloc4.base|)) (= 1 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4)))) (= 0 main_~a~0.offset) (not (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) 0)) (not (= main_~p~0.base main_~a~0.base))), 68980#(and (= (select |#valid| main_~a~0.base) 1) (= 1 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4)))) (= 0 main_~a~0.offset) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) 1) (not (= main_~p~0.base main_~a~0.base))), 68983#(and (not (= main_~a~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= 1 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4)))) (= 0 main_~a~0.offset) (not (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) 0)) (not (= (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)) (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))))), 68982#(and (not (= (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)) main_~t~0.base)) (= 1 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4)))) (= 0 main_~a~0.offset) (not (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) 0)) (not (= main_~p~0.base main_~a~0.base)) (not (= main_~a~0.base main_~t~0.base))), 68985#(and (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= 1 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4)))) (= 0 main_~a~0.offset) (not (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) 0)) (not (= main_~p~0.base main_~a~0.base))), 68984#(and (not (= main_~a~0.base |main_#t~mem5.base|)) (= 1 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4)))) (= 0 main_~a~0.offset) (not (= (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)) |main_#t~mem5.base|)) (not (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) 0))), 68987#(and (= 1 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4)))) (= 0 main_~a~0.offset) (not (= main_~p~0.base main_~a~0.base)) (not (= (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)) |main_#t~malloc9.base|))), 68986#(and (= 1 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4)))) (= 0 main_~a~0.offset) (not (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) 0)) (not (= main_~p~0.base main_~a~0.base))), 68989#(and (= 1 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4)))) (= 0 main_~a~0.offset) (not (= (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)) (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))))), 68988#(and (not (= (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)) main_~t~0.base)) (= 1 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4)))) (= 0 main_~a~0.offset) (not (= main_~p~0.base main_~a~0.base))), 68991#(and (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= 1 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4)))) (= 0 main_~a~0.offset)), 68990#(and (= 1 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4)))) (= 0 main_~a~0.offset) (not (= (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)) |main_#t~mem10.base|)))] [2018-04-11 13:43:38,907 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 0 proven. 52 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-04-11 13:43:38,907 INFO L442 AbstractCegarLoop]: Interpolant automaton has 34 states [2018-04-11 13:43:38,907 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2018-04-11 13:43:38,907 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=132, Invalid=990, Unknown=0, NotChecked=0, Total=1122 [2018-04-11 13:43:38,907 INFO L87 Difference]: Start difference. First operand 512 states and 584 transitions. Second operand 34 states. [2018-04-11 13:43:40,446 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 13:43:40,446 INFO L93 Difference]: Finished difference Result 633 states and 712 transitions. [2018-04-11 13:43:40,446 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2018-04-11 13:43:40,446 INFO L78 Accepts]: Start accepts. Automaton has 34 states. Word has length 79 [2018-04-11 13:43:40,446 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 13:43:40,447 INFO L225 Difference]: With dead ends: 633 [2018-04-11 13:43:40,447 INFO L226 Difference]: Without dead ends: 633 [2018-04-11 13:43:40,447 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 61 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 709 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=556, Invalid=3350, Unknown=0, NotChecked=0, Total=3906 [2018-04-11 13:43:40,448 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 633 states. [2018-04-11 13:43:40,449 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 633 to 502. [2018-04-11 13:43:40,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 502 states. [2018-04-11 13:43:40,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 502 states to 502 states and 573 transitions. [2018-04-11 13:43:40,450 INFO L78 Accepts]: Start accepts. Automaton has 502 states and 573 transitions. Word has length 79 [2018-04-11 13:43:40,450 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 13:43:40,450 INFO L459 AbstractCegarLoop]: Abstraction has 502 states and 573 transitions. [2018-04-11 13:43:40,450 INFO L460 AbstractCegarLoop]: Interpolant automaton has 34 states. [2018-04-11 13:43:40,450 INFO L276 IsEmpty]: Start isEmpty. Operand 502 states and 573 transitions. [2018-04-11 13:43:40,450 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2018-04-11 13:43:40,450 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 13:43:40,451 INFO L355 BasicCegarLoop]: trace histogram [4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 13:43:40,451 INFO L408 AbstractCegarLoop]: === Iteration 94 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr29AssertViolationMEMORY_FREE, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr30AssertViolationMEMORY_FREE, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr32EnsuresViolationMEMORY_LEAK, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr31AssertViolationMEMORY_FREE, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr28AssertViolationMEMORY_FREE, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation]=== [2018-04-11 13:43:40,451 INFO L82 PathProgramCache]: Analyzing trace with hash -1466723401, now seen corresponding path program 13 times [2018-04-11 13:43:40,451 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 13:43:40,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 13:43:40,467 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 13:43:41,285 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 10 proven. 49 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:43:41,285 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-11 13:43:41,285 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [36] total 36 [2018-04-11 13:43:41,286 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 13:43:41,286 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:43:41,286 INFO L182 omatonBuilderFactory]: Interpolants [70209#(and (not (= main_~a~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (not (= (select |#valid| main_~p~0.base) 0)) (= 0 main_~a~0.offset) (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (not (= (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)) (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= main_~p~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= (select (select |#memory_int| main_~p~0.base) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) 2)), 70208#(and (not (= (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)) main_~t~0.base)) (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= 0 main_~a~0.offset) (= main_~p~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= (select (select |#memory_int| main_~p~0.base) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) 2) (not (= main_~p~0.base main_~t~0.base)) (not (= main_~p~0.base main_~a~0.base)) (not (= main_~a~0.base main_~t~0.base))), 70211#(and (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= 0 main_~a~0.offset) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) 2) (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (not (= (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) 0)) (not (= main_~p~0.base main_~a~0.base))), 70210#(and (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4)) |main_#t~mem10.base|)) (= 0 main_~a~0.offset) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) 2) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (not (= (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)) |main_#t~mem10.base|)) (not (= (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) 0)) (not (= main_~a~0.base |main_#t~mem10.base|))), 70213#(and (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= 0 main_~a~0.offset) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) 2) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4)) |main_#t~malloc9.base|)) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (not (= main_~p~0.base main_~a~0.base))), 70212#(and (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= 0 main_~a~0.offset) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) 2) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (not (= (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) 0)) (not (= main_~p~0.base main_~a~0.base))), 70215#(and (= 0 main_~a~0.offset) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) 2) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4)) (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4)))), 70214#(and (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= 0 main_~a~0.offset) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) 2) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4)) main_~t~0.base)) (not (= main_~p~0.base main_~a~0.base))), 70217#(and (= 0 main_~a~0.offset) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) 2) (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4)))), 70216#(and (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4)) |main_#t~mem10.base|)) (= 0 main_~a~0.offset) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) 2) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4)))), 70219#(and (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) (+ 0 4))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) (+ 0 4))) 2) (= main_~p~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4)))), 70218#(and (= 0 main_~a~0.offset) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) 2) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4)))), 70221#(or (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4))) 2) (<= (+ main_~p~0.offset 1) 0)), 70220#(and (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |main_#t~mem13.base|) (+ 0 4))) (select (select |#memory_$Pointer$.offset| |main_#t~mem13.base|) (+ 0 4))) 2) (= 0 |main_#t~mem13.offset|)), 70223#(= (select (select |#memory_int| |main_#t~mem13.base|) |main_#t~mem13.offset|) 2), 70222#(= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4))) 2), 70225#(= |main_#t~mem11| 2), 70224#(= (select (select |#memory_int| main_~p~0.base) main_~p~0.offset) 2), 70191#false, 70190#true, 70193#(= 0 main_~a~0.offset), 70192#(= 0 |main_#t~malloc0.offset|), 70195#(and (= 0 main_~a~0.offset) (= main_~p~0.offset 0) (= (select |#valid| main_~p~0.base) 1) (= main_~p~0.base main_~a~0.base)), 70194#(and (= 0 main_~a~0.offset) (= main_~p~0.offset 0) (= main_~p~0.base main_~a~0.base)), 70197#(and (= 0 main_~a~0.offset) (= 0 main_~t~0.offset) (= main_~p~0.offset 0) (not (= main_~p~0.base main_~t~0.base)) (= main_~p~0.base main_~a~0.base) (= (select |#valid| main_~t~0.base) 1)), 70196#(and (= (select |#valid| |main_#t~malloc4.base|) 1) (= 0 main_~a~0.offset) (= main_~p~0.offset 0) (not (= main_~p~0.base |main_#t~malloc4.base|)) (= main_~p~0.base main_~a~0.base) (= 0 |main_#t~malloc4.offset|)), 70199#(and (not (= main_~a~0.base |main_#t~mem5.base|)) (= (select |#valid| main_~a~0.base) 1) (= 0 main_~a~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)) |main_#t~mem5.base|) (= (select |#valid| |main_#t~mem5.base|) 1) (= 0 |main_#t~mem5.offset|)), 70198#(and (= 0 main_~a~0.offset) (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= main_~p~0.offset 0) (= (select |#valid| main_~p~0.base) (select |#valid| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4))) (= (select |#valid| main_~p~0.base) 1) (= main_~p~0.base main_~a~0.base)), 70201#(and (= (select |#valid| |main_#t~malloc4.base|) 1) (not (= main_~a~0.base |main_#t~malloc4.base|)) (= (select |#valid| main_~a~0.base) 1) (= 0 main_~a~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (not (= main_~p~0.base |main_#t~malloc4.base|)) (= 0 main_~p~0.offset) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (not (= main_~p~0.base main_~a~0.base))), 70200#(and (= (select |#valid| main_~a~0.base) 1) (= 0 main_~a~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= 0 main_~p~0.offset) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (= (select |#valid| main_~p~0.base) 1) (not (= main_~p~0.base main_~a~0.base))), 70203#(and (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) 1) (not (= main_~a~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= (select |#valid| main_~a~0.base) 1) (= 0 main_~a~0.offset) (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~p~0.offset 0) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (= (select |#valid| main_~p~0.base) 1)), 70202#(and (= (select |#valid| main_~a~0.base) 1) (= 0 main_~a~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (not (= main_~p~0.base main_~t~0.base)) (= 0 main_~p~0.offset) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (not (= main_~p~0.base main_~a~0.base)) (not (= main_~a~0.base main_~t~0.base)) (= (select |#valid| main_~t~0.base) 1)), 70205#(and (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= main_~p~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (= (select |#valid| main_~a~0.base) 1) (= 0 main_~a~0.offset) (= main_~p~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) 1) (= (select |#valid| main_~p~0.base) 1) (not (= main_~p~0.base main_~a~0.base))), 70204#(and (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4)) |main_#t~mem5.base|) (not (= main_~a~0.base |main_#t~mem5.base|)) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4)) |main_#t~mem5.offset|) (= (select |#valid| main_~a~0.base) 1) (= 0 main_~a~0.offset) (not (= (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)) |main_#t~mem5.base|)) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) 1) (= (select |#valid| |main_#t~mem5.base|) 1)), 70207#(and (not (= main_~p~0.base |main_#t~malloc9.base|)) (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= 0 main_~a~0.offset) (= main_~p~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= (select (select |#memory_int| main_~p~0.base) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) 2) (not (= main_~a~0.base |main_#t~malloc9.base|)) (not (= main_~p~0.base main_~a~0.base)) (not (= (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)) |main_#t~malloc9.base|))), 70206#(and (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= (select |#valid| main_~a~0.base) 1) (= 0 main_~a~0.offset) (= main_~p~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= (select (select |#memory_int| main_~p~0.base) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) 2) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) 1) (= (select |#valid| main_~p~0.base) 1) (not (= main_~p~0.base main_~a~0.base)))] [2018-04-11 13:43:41,286 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 10 proven. 49 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:43:41,286 INFO L442 AbstractCegarLoop]: Interpolant automaton has 36 states [2018-04-11 13:43:41,286 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 36 interpolants. [2018-04-11 13:43:41,286 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=120, Invalid=1140, Unknown=0, NotChecked=0, Total=1260 [2018-04-11 13:43:41,287 INFO L87 Difference]: Start difference. First operand 502 states and 573 transitions. Second operand 36 states. [2018-04-11 13:43:43,510 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 13:43:43,511 INFO L93 Difference]: Finished difference Result 591 states and 662 transitions. [2018-04-11 13:43:43,511 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2018-04-11 13:43:43,511 INFO L78 Accepts]: Start accepts. Automaton has 36 states. Word has length 81 [2018-04-11 13:43:43,511 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 13:43:43,512 INFO L225 Difference]: With dead ends: 591 [2018-04-11 13:43:43,512 INFO L226 Difference]: Without dead ends: 591 [2018-04-11 13:43:43,512 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 69 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1016 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=549, Invalid=4421, Unknown=0, NotChecked=0, Total=4970 [2018-04-11 13:43:43,512 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 591 states. [2018-04-11 13:43:43,516 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 591 to 517. [2018-04-11 13:43:43,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 517 states. [2018-04-11 13:43:43,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 517 states to 517 states and 588 transitions. [2018-04-11 13:43:43,517 INFO L78 Accepts]: Start accepts. Automaton has 517 states and 588 transitions. Word has length 81 [2018-04-11 13:43:43,517 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 13:43:43,517 INFO L459 AbstractCegarLoop]: Abstraction has 517 states and 588 transitions. [2018-04-11 13:43:43,517 INFO L460 AbstractCegarLoop]: Interpolant automaton has 36 states. [2018-04-11 13:43:43,517 INFO L276 IsEmpty]: Start isEmpty. Operand 517 states and 588 transitions. [2018-04-11 13:43:43,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2018-04-11 13:43:43,518 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 13:43:43,518 INFO L355 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 13:43:43,518 INFO L408 AbstractCegarLoop]: === Iteration 95 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr29AssertViolationMEMORY_FREE, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr30AssertViolationMEMORY_FREE, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr32EnsuresViolationMEMORY_LEAK, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr31AssertViolationMEMORY_FREE, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr28AssertViolationMEMORY_FREE, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation]=== [2018-04-11 13:43:43,518 INFO L82 PathProgramCache]: Analyzing trace with hash -992899807, now seen corresponding path program 14 times [2018-04-11 13:43:43,519 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 13:43:43,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 13:43:43,535 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 13:43:44,452 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 70 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:43:44,453 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-11 13:43:44,453 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [32] total 32 [2018-04-11 13:43:44,453 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 13:43:44,453 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 13:43:44,453 INFO L182 omatonBuilderFactory]: Interpolants [71425#(and (not (= main_~a~0.base |main_#t~mem5.base|)) (= 0 main_~a~0.offset) (not (= (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)) |main_#t~mem5.base|)) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (= |main_#t~mem5.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (+ 0 4))) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4)) |main_#t~mem5.base|))), 71424#(and (not (= main_~a~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= 0 main_~a~0.offset) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= main_~p~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (not (= (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)) (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= main_~p~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4)))), 71427#(and (= 0 main_~a~0.offset) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= main_~p~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (+ 0 4))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (= 1 (select |#valid| main_~p~0.base))), 71426#(and (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= 0 main_~a~0.offset) (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4)))) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= main_~p~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (+ 0 4))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (not (= main_~p~0.base main_~a~0.base))), 71429#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) (+ 0 4))) (+ 0 4)))) (= main_~p~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) (+ 0 4)))), 71428#(and (= 0 main_~a~0.offset) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (+ 0 4)))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4)))), 71431#(or (and (= 8 (select |#length| main_~p~0.base)) (or (and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) (+ 0 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4)))) (<= 1 main_~p~0.offset))) (<= (+ main_~p~0.offset 1) 0)), 71430#(and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_#t~mem13.base|) (+ 0 4))) (+ 0 4)))) (= 8 (select |#length| |main_#t~mem13.base|)) (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem13.base|) (+ 0 4)))), 71433#(and (= 0 |main_#t~mem13.offset|) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| |main_#t~mem13.base|) (+ 0 4))))), 71432#(and (= (select |#length| main_~p~0.base) 8) (or (and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) (+ 0 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4)))) (<= 1 main_~p~0.offset))), 71435#(= 1 (select |#valid| |main_#t~mem13.base|)), 71434#(and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= main_~p~0.offset 0)), 71436#(= 1 (select |#valid| main_~p~0.base)), 71405#false, 71404#true, 71407#(= 0 main_~a~0.offset), 71406#(= 0 |main_#t~malloc0.offset|), 71409#(and (= 0 main_~a~0.offset) (= main_~p~0.offset 0) (= (select |#valid| main_~p~0.base) 1) (= main_~p~0.base main_~a~0.base)), 71408#(and (= 0 main_~a~0.offset) (= main_~p~0.offset 0) (= main_~p~0.base main_~a~0.base)), 71411#(and (= 8 (select |#length| main_~t~0.base)) (= 0 main_~a~0.offset) (= 0 main_~t~0.offset) (= main_~p~0.offset 0) (not (= main_~p~0.base main_~t~0.base)) (= main_~p~0.base main_~a~0.base) (= (select |#valid| main_~t~0.base) 1)), 71410#(and (= (select |#valid| |main_#t~malloc4.base|) 1) (= 0 main_~a~0.offset) (= main_~p~0.offset 0) (not (= main_~p~0.base |main_#t~malloc4.base|)) (= main_~p~0.base main_~a~0.base) (= 0 |main_#t~malloc4.offset|) (= 8 (select |#length| |main_#t~malloc4.base|))), 71413#(and (not (= main_~a~0.base |main_#t~mem5.base|)) (= (select |#valid| main_~a~0.base) 1) (= 0 main_~a~0.offset) (= 8 (select |#length| |main_#t~mem5.base|)) (= |main_#t~mem5.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (= (select |#valid| |main_#t~mem5.base|) 1) (= 0 |main_#t~mem5.offset|)), 71412#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= 0 main_~a~0.offset) (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= main_~p~0.offset 0) (= (select |#valid| main_~p~0.base) (select |#valid| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4))) (= (select |#valid| main_~p~0.base) 1) (= main_~p~0.base main_~a~0.base)), 71415#(and (= (select |#valid| main_~a~0.base) 1) (= 0 main_~a~0.offset) (= 0 main_~p~0.offset) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (= (select |#valid| main_~p~0.base) 1) (not (= main_~p~0.base main_~a~0.base)) (= 8 (select |#length| main_~p~0.base))), 71414#(and (= (select |#valid| main_~a~0.base) 1) (or (<= (+ main_~p~0.offset 1) 0) (= 0 main_~p~0.offset)) (= 0 main_~a~0.offset) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (= (select |#valid| main_~p~0.base) 1) (not (= main_~p~0.base main_~a~0.base)) (= 8 (select |#length| main_~p~0.base))), 71417#(and (= (select |#valid| main_~a~0.base) 1) (= 0 main_~a~0.offset) (= 0 main_~t~0.offset) (not (= main_~p~0.base main_~t~0.base)) (= 0 main_~p~0.offset) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (not (= main_~p~0.base main_~a~0.base)) (= 8 (select |#length| main_~p~0.base)) (not (= main_~a~0.base main_~t~0.base)) (= (select |#valid| main_~t~0.base) 1)), 71416#(and (= (select |#valid| |main_#t~malloc4.base|) 1) (not (= main_~a~0.base |main_#t~malloc4.base|)) (= (select |#valid| main_~a~0.base) 1) (= 0 main_~a~0.offset) (not (= main_~p~0.base |main_#t~malloc4.base|)) (= 0 main_~p~0.offset) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (not (= main_~p~0.base main_~a~0.base)) (= 8 (select |#length| main_~p~0.base)) (= 0 |main_#t~malloc4.offset|)), 71419#(and (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4)) |main_#t~mem5.base|) (not (= main_~a~0.base |main_#t~mem5.base|)) (= (select |#valid| main_~a~0.base) 1) (= 0 main_~a~0.offset) (not (= (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)) |main_#t~mem5.base|)) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) 1) (= (select |#valid| |main_#t~mem5.base|) 1) (= 0 |main_#t~mem5.offset|)), 71418#(and (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) 1) (not (= main_~a~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= (select |#valid| main_~a~0.base) 1) (= 0 main_~a~0.offset) (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= main_~p~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4))) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (= (select |#valid| main_~p~0.base) 1) (= 8 (select |#length| main_~p~0.base))), 71421#(and (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= (select |#valid| main_~a~0.base) 1) (= 0 main_~a~0.offset) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= main_~p~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (= main_~p~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) 1) (= (select |#valid| main_~p~0.base) 1) (not (= main_~p~0.base main_~a~0.base))), 71420#(and (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= (select |#valid| main_~a~0.base) 1) (or (and (= main_~p~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (= main_~p~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (= (select |#valid| main_~p~0.base) 1)) (<= (+ main_~p~0.offset 1) 0)) (= 0 main_~a~0.offset) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) 1) (not (= main_~p~0.base main_~a~0.base))), 71423#(and (not (= (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)) main_~t~0.base)) (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= 0 main_~a~0.offset) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= main_~p~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (= main_~p~0.offset 0) (not (= main_~p~0.base main_~t~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (not (= main_~p~0.base main_~a~0.base)) (not (= main_~a~0.base main_~t~0.base))), 71422#(and (not (= main_~a~0.base |main_#t~malloc4.base|)) (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (not (= (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)) |main_#t~malloc4.base|)) (= 0 main_~a~0.offset) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= main_~p~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (= main_~p~0.offset 0) (not (= main_~p~0.base |main_#t~malloc4.base|)) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (not (= main_~p~0.base main_~a~0.base)))] [2018-04-11 13:43:44,453 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 70 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:43:44,453 INFO L442 AbstractCegarLoop]: Interpolant automaton has 33 states [2018-04-11 13:43:44,454 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2018-04-11 13:43:44,454 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=104, Invalid=952, Unknown=0, NotChecked=0, Total=1056 [2018-04-11 13:43:44,454 INFO L87 Difference]: Start difference. First operand 517 states and 588 transitions. Second operand 33 states. [2018-04-11 13:43:46,500 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 13:43:46,500 INFO L93 Difference]: Finished difference Result 598 states and 670 transitions. [2018-04-11 13:43:46,500 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2018-04-11 13:43:46,500 INFO L78 Accepts]: Start accepts. Automaton has 33 states. Word has length 81 [2018-04-11 13:43:46,500 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 13:43:46,501 INFO L225 Difference]: With dead ends: 598 [2018-04-11 13:43:46,501 INFO L226 Difference]: Without dead ends: 598 [2018-04-11 13:43:46,501 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 62 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 865 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=472, Invalid=3560, Unknown=0, NotChecked=0, Total=4032 [2018-04-11 13:43:46,501 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 598 states. [2018-04-11 13:43:46,504 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 598 to 520. [2018-04-11 13:43:46,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 520 states. [2018-04-11 13:43:46,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 520 states to 520 states and 592 transitions. [2018-04-11 13:43:46,504 INFO L78 Accepts]: Start accepts. Automaton has 520 states and 592 transitions. Word has length 81 [2018-04-11 13:43:46,505 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 13:43:46,505 INFO L459 AbstractCegarLoop]: Abstraction has 520 states and 592 transitions. [2018-04-11 13:43:46,505 INFO L460 AbstractCegarLoop]: Interpolant automaton has 33 states. [2018-04-11 13:43:46,505 INFO L276 IsEmpty]: Start isEmpty. Operand 520 states and 592 transitions. [2018-04-11 13:43:46,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2018-04-11 13:43:46,506 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 13:43:46,506 INFO L355 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 13:43:46,506 INFO L408 AbstractCegarLoop]: === Iteration 96 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr29AssertViolationMEMORY_FREE, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr30AssertViolationMEMORY_FREE, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr32EnsuresViolationMEMORY_LEAK, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr31AssertViolationMEMORY_FREE, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr28AssertViolationMEMORY_FREE, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation]=== [2018-04-11 13:43:46,506 INFO L82 PathProgramCache]: Analyzing trace with hash -992899806, now seen corresponding path program 10 times [2018-04-11 13:43:46,507 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 13:43:46,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 13:43:46,517 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 13:43:47,454 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 70 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:43:47,454 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-11 13:43:47,454 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [32] total 32 [2018-04-11 13:43:47,454 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 13:43:47,455 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 13:43:47,455 INFO L182 omatonBuilderFactory]: Interpolants [72641#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) (+ 0 4))) (+ 0 4)))) (= main_~p~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) (+ 0 4))) (+ 0 4))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) (+ 0 4)))), 72640#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (+ 0 4))) (= 0 main_~a~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (+ 0 4))))), 72643#(or (and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) (+ 0 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) (+ 0 4)))) (<= (+ main_~p~0.offset 1) 0)), 72642#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_#t~mem13.base|) (+ 0 4))) (+ 0 4)))) (= 0 |main_#t~mem13.offset|) (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem13.base|) (+ 0 4))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |main_#t~mem13.base|) (+ 0 4))) (+ 0 4)))), 72645#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| |main_#t~mem13.base|) (+ 0 4)))) (= 0 |main_#t~mem13.offset|) (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem13.base|) (+ 0 4)))), 72644#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) (+ 0 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) (+ 0 4)))), 72647#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4)))), 72646#(or (<= (+ main_~p~0.offset 1) 0) (and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4))))), 72649#(and (= main_~p~0.offset 0) (= 8 (select |#length| main_~p~0.base))), 72648#(and (= 8 (select |#length| |main_#t~mem13.base|)) (= 0 |main_#t~mem13.offset|)), 72617#true, 72619#(= 0 |main_#t~malloc0.offset|), 72618#false, 72621#(and (= 0 main_~a~0.offset) (= main_~p~0.offset 0) (= main_~p~0.base main_~a~0.base)), 72620#(= 0 main_~a~0.offset), 72623#(and (= (select |#valid| |main_#t~malloc4.base|) 1) (= 0 main_~a~0.offset) (= main_~p~0.offset 0) (not (= main_~p~0.base |main_#t~malloc4.base|)) (= main_~p~0.base main_~a~0.base) (= 0 |main_#t~malloc4.offset|)), 72622#(and (= 0 main_~a~0.offset) (= main_~p~0.offset 0) (= (select |#valid| main_~p~0.base) 1) (= main_~p~0.base main_~a~0.base)), 72625#(and (= 0 main_~a~0.offset) (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= main_~p~0.offset 0) (= (select |#valid| main_~p~0.base) (select |#valid| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4))) (= (select |#valid| main_~p~0.base) 1) (= main_~p~0.base main_~a~0.base)), 72624#(and (= 0 main_~a~0.offset) (= 0 main_~t~0.offset) (= main_~p~0.offset 0) (not (= main_~p~0.base main_~t~0.base)) (= main_~p~0.base main_~a~0.base) (= (select |#valid| main_~t~0.base) 1)), 72627#(or (and (= (select |#valid| main_~a~0.base) 1) (= 0 main_~a~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~p~0.offset 0) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (= (select |#valid| main_~p~0.base) 1) (not (= main_~p~0.base main_~a~0.base))) (<= (+ main_~p~0.offset 1) 0)), 72626#(and (not (= main_~a~0.base |main_#t~mem5.base|)) (= (select |#valid| main_~a~0.base) 1) (= 0 main_~a~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)) |main_#t~mem5.base|) (= (select |#valid| |main_#t~mem5.base|) 1) (= 0 |main_#t~mem5.offset|)), 72629#(and (= (select |#valid| |main_#t~malloc4.base|) 1) (not (= main_~a~0.base |main_#t~malloc4.base|)) (= (select |#valid| main_~a~0.base) 1) (= 0 main_~a~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~p~0.offset 0) (not (= main_~p~0.base |main_#t~malloc4.base|)) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (not (= main_~p~0.base main_~a~0.base)) (= 0 |main_#t~malloc4.offset|)), 72628#(and (= (select |#valid| main_~a~0.base) 1) (= 0 main_~a~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~p~0.offset 0) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (= (select |#valid| main_~p~0.base) 1) (not (= main_~p~0.base main_~a~0.base))), 72631#(and (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) 1) (not (= main_~a~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= (select |#valid| main_~a~0.base) 1) (= 0 main_~a~0.offset) (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~p~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4))) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (= (select |#valid| main_~p~0.base) 1)), 72630#(and (= (select |#valid| main_~a~0.base) 1) (= 0 main_~a~0.offset) (= 0 main_~t~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~p~0.offset 0) (not (= main_~p~0.base main_~t~0.base)) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (not (= main_~p~0.base main_~a~0.base)) (not (= main_~a~0.base main_~t~0.base)) (= (select |#valid| main_~t~0.base) 1)), 72633#(and (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= (select |#valid| main_~a~0.base) 1) (= 0 main_~a~0.offset) (= main_~p~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~p~0.offset 0) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) 1) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (= (select |#valid| main_~p~0.base) 1) (not (= main_~p~0.base main_~a~0.base))), 72632#(and (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4)) |main_#t~mem5.base|) (not (= main_~a~0.base |main_#t~mem5.base|)) (= (select |#valid| main_~a~0.base) 1) (= 0 main_~a~0.offset) (not (= (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)) |main_#t~mem5.base|)) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) 1) (= (select |#valid| |main_#t~mem5.base|) 1) (= 0 |main_#t~mem5.offset|)), 72635#(and (= 8 (select |#length| main_~t~0.base)) (not (= (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)) main_~t~0.base)) (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= 0 main_~a~0.offset) (= main_~p~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~p~0.offset 0) (= 0 main_~t~0.offset) (not (= main_~p~0.base main_~t~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (not (= main_~p~0.base main_~a~0.base)) (not (= main_~a~0.base main_~t~0.base))), 72634#(and (not (= main_~a~0.base |main_#t~malloc4.base|)) (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (not (= (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)) |main_#t~malloc4.base|)) (= 0 main_~a~0.offset) (= main_~p~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~p~0.offset 0) (not (= main_~p~0.base |main_#t~malloc4.base|)) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (not (= main_~p~0.base main_~a~0.base)) (= 0 |main_#t~malloc4.offset|) (= 8 (select |#length| |main_#t~malloc4.base|))), 72637#(and (not (= main_~a~0.base |main_#t~mem5.base|)) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (+ 0 4))) (= 0 main_~a~0.offset) (not (= (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)) |main_#t~mem5.base|)) (= 8 (select |#length| |main_#t~mem5.base|)) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (= |main_#t~mem5.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (+ 0 4))) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4)) |main_#t~mem5.base|))), 72636#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (not (= main_~a~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= 0 main_~a~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ 0 4))) (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (not (= (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)) (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= main_~p~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~p~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4)))), 72639#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (+ 0 4))) (= 0 main_~a~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~p~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (+ 0 4))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (= 8 (select |#length| main_~p~0.base))), 72638#(and (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (+ 0 4))) (= 0 main_~a~0.offset) (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~p~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (+ 0 4))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (not (= main_~p~0.base main_~a~0.base)) (= 8 (select |#length| main_~p~0.base)))] [2018-04-11 13:43:47,455 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 70 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:43:47,455 INFO L442 AbstractCegarLoop]: Interpolant automaton has 33 states [2018-04-11 13:43:47,455 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2018-04-11 13:43:47,455 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=99, Invalid=957, Unknown=0, NotChecked=0, Total=1056 [2018-04-11 13:43:47,455 INFO L87 Difference]: Start difference. First operand 520 states and 592 transitions. Second operand 33 states. [2018-04-11 13:43:49,389 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 13:43:49,389 INFO L93 Difference]: Finished difference Result 620 states and 695 transitions. [2018-04-11 13:43:49,389 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2018-04-11 13:43:49,389 INFO L78 Accepts]: Start accepts. Automaton has 33 states. Word has length 81 [2018-04-11 13:43:49,389 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 13:43:49,390 INFO L225 Difference]: With dead ends: 620 [2018-04-11 13:43:49,390 INFO L226 Difference]: Without dead ends: 620 [2018-04-11 13:43:49,390 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 58 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 737 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=385, Invalid=3155, Unknown=0, NotChecked=0, Total=3540 [2018-04-11 13:43:49,391 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 620 states. [2018-04-11 13:43:49,392 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 620 to 525. [2018-04-11 13:43:49,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 525 states. [2018-04-11 13:43:49,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 525 states to 525 states and 598 transitions. [2018-04-11 13:43:49,393 INFO L78 Accepts]: Start accepts. Automaton has 525 states and 598 transitions. Word has length 81 [2018-04-11 13:43:49,393 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 13:43:49,393 INFO L459 AbstractCegarLoop]: Abstraction has 525 states and 598 transitions. [2018-04-11 13:43:49,393 INFO L460 AbstractCegarLoop]: Interpolant automaton has 33 states. [2018-04-11 13:43:49,393 INFO L276 IsEmpty]: Start isEmpty. Operand 525 states and 598 transitions. [2018-04-11 13:43:49,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2018-04-11 13:43:49,394 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 13:43:49,394 INFO L355 BasicCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 13:43:49,394 INFO L408 AbstractCegarLoop]: === Iteration 97 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr29AssertViolationMEMORY_FREE, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr30AssertViolationMEMORY_FREE, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr32EnsuresViolationMEMORY_LEAK, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr31AssertViolationMEMORY_FREE, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr28AssertViolationMEMORY_FREE, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation]=== [2018-04-11 13:43:49,394 INFO L82 PathProgramCache]: Analyzing trace with hash -1742980826, now seen corresponding path program 11 times [2018-04-11 13:43:49,394 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 13:43:49,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 13:43:49,403 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 13:43:50,050 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:43:50,050 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-11 13:43:50,050 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [30] total 30 [2018-04-11 13:43:50,050 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 13:43:50,050 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 13:43:50,050 INFO L182 omatonBuilderFactory]: Interpolants [73857#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= 0 main_~a~0.offset) (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= main_~p~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4))) (= (select |#valid| main_~p~0.base) 1) (= main_~p~0.base main_~a~0.base)), 73856#(and (= 8 (select |#length| main_~t~0.base)) (= 0 main_~a~0.offset) (= 0 main_~t~0.offset) (= main_~p~0.offset 0) (not (= main_~p~0.base main_~t~0.base)) (= main_~p~0.base main_~a~0.base)), 73859#(and (= (select |#valid| main_~a~0.base) 1) (= 0 main_~a~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (not (= main_~p~0.base main_~a~0.base)) (= 8 (select |#length| main_~p~0.base))), 73858#(and (not (= main_~a~0.base |main_#t~mem5.base|)) (= (select |#valid| main_~a~0.base) 1) (= 0 main_~a~0.offset) (= 8 (select |#length| |main_#t~mem5.base|)) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= |main_#t~mem5.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))), 73861#(and (= (select |#valid| main_~a~0.base) 1) (= 0 main_~a~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (not (= main_~p~0.base main_~a~0.base)) (= 8 (select |#length| main_~p~0.base)) (not (= main_~a~0.base main_~t~0.base))), 73860#(and (not (= main_~a~0.base |main_#t~malloc4.base|)) (= (select |#valid| main_~a~0.base) 1) (= 0 main_~a~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (not (= main_~p~0.base main_~a~0.base)) (= 8 (select |#length| main_~p~0.base))), 73863#(and (not (= main_~a~0.base |main_#t~mem5.base|)) (= (select |#valid| main_~a~0.base) 1) (= 0 main_~a~0.offset) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) 1)), 73862#(and (not (= main_~a~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= (select |#valid| main_~a~0.base) 1) (= 0 main_~a~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (= (select |#valid| main_~p~0.base) 1) (= 8 (select |#length| main_~p~0.base))), 73865#(and (not (= main_~a~0.base |main_#t~malloc4.base|)) (= 0 main_~a~0.offset) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (not (= (select |#valid| main_~a~0.base) 0)) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (not (= main_~p~0.base main_~a~0.base))), 73864#(and (= (select |#valid| main_~a~0.base) 1) (= 0 main_~a~0.offset) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) 1) (not (= main_~p~0.base main_~a~0.base))), 73867#(and (not (= main_~a~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= 0 main_~a~0.offset) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (not (= (select |#valid| main_~a~0.base) 0)) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4)))), 73866#(and (= 0 main_~a~0.offset) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (not (= (select |#valid| main_~a~0.base) 0)) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (not (= main_~p~0.base main_~a~0.base)) (not (= main_~a~0.base main_~t~0.base))), 73869#(and (= 0 main_~a~0.offset) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (not (= (select |#valid| main_~a~0.base) 0)) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (not (= main_~p~0.base main_~a~0.base))), 73868#(and (not (= main_~a~0.base |main_#t~mem5.base|)) (= 0 main_~a~0.offset) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (not (= (select |#valid| main_~a~0.base) 0)) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4)))), 73871#(and (= 8 (select |#length| main_~t~0.base)) (= 0 main_~a~0.offset) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (not (= main_~p~0.base main_~a~0.base)) (not (= main_~a~0.base main_~t~0.base))), 73870#(and (= 0 main_~a~0.offset) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (not (= main_~a~0.base |main_#t~malloc9.base|)) (= 8 (select |#length| |main_#t~malloc9.base|)) (not (= main_~p~0.base main_~a~0.base))), 73873#(and (= 0 main_~a~0.offset) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= 8 (select |#length| |main_#t~mem10.base|)) (not (= main_~a~0.base |main_#t~mem10.base|))), 73872#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (not (= main_~a~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= 0 main_~a~0.offset) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4)))), 73875#(and (= 0 main_~a~0.offset) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (not (= main_~p~0.base main_~a~0.base))), 73874#(and (= 0 main_~a~0.offset) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (not (= main_~p~0.base main_~a~0.base)) (= 8 (select |#length| main_~p~0.base))), 73877#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= main_~p~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4)))), 73876#(and (= 0 main_~a~0.offset) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4)))), 73879#(and (= main_~p~0.offset 0) (= 8 (select |#length| main_~p~0.base))), 73878#(and (= 8 (select |#length| |main_#t~mem13.base|)) (= 0 |main_#t~mem13.offset|)), 73849#true, 73851#(= 0 |main_#t~malloc0.offset|), 73850#false, 73853#(and (= 0 main_~a~0.offset) (= main_~p~0.offset 0) (= main_~p~0.base main_~a~0.base)), 73852#(= 0 main_~a~0.offset), 73855#(and (= 0 main_~a~0.offset) (= main_~p~0.offset 0) (not (= main_~p~0.base |main_#t~malloc4.base|)) (= main_~p~0.base main_~a~0.base) (= 0 |main_#t~malloc4.offset|) (= 8 (select |#length| |main_#t~malloc4.base|))), 73854#(and (= 0 main_~a~0.offset) (= main_~p~0.offset 0) (= (select |#valid| main_~p~0.base) 1) (= main_~p~0.base main_~a~0.base))] [2018-04-11 13:43:50,050 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:43:50,050 INFO L442 AbstractCegarLoop]: Interpolant automaton has 31 states [2018-04-11 13:43:50,051 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2018-04-11 13:43:50,051 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=136, Invalid=794, Unknown=0, NotChecked=0, Total=930 [2018-04-11 13:43:50,051 INFO L87 Difference]: Start difference. First operand 525 states and 598 transitions. Second operand 31 states. [2018-04-11 13:43:51,715 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 13:43:51,715 INFO L93 Difference]: Finished difference Result 618 states and 687 transitions. [2018-04-11 13:43:51,716 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2018-04-11 13:43:51,716 INFO L78 Accepts]: Start accepts. Automaton has 31 states. Word has length 82 [2018-04-11 13:43:51,716 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 13:43:51,716 INFO L225 Difference]: With dead ends: 618 [2018-04-11 13:43:51,716 INFO L226 Difference]: Without dead ends: 617 [2018-04-11 13:43:51,717 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 59 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 771 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=649, Invalid=3011, Unknown=0, NotChecked=0, Total=3660 [2018-04-11 13:43:51,717 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 617 states. [2018-04-11 13:43:51,719 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 617 to 499. [2018-04-11 13:43:51,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 499 states. [2018-04-11 13:43:51,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 499 states to 499 states and 563 transitions. [2018-04-11 13:43:51,719 INFO L78 Accepts]: Start accepts. Automaton has 499 states and 563 transitions. Word has length 82 [2018-04-11 13:43:51,719 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 13:43:51,719 INFO L459 AbstractCegarLoop]: Abstraction has 499 states and 563 transitions. [2018-04-11 13:43:51,719 INFO L460 AbstractCegarLoop]: Interpolant automaton has 31 states. [2018-04-11 13:43:51,720 INFO L276 IsEmpty]: Start isEmpty. Operand 499 states and 563 transitions. [2018-04-11 13:43:51,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2018-04-11 13:43:51,720 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 13:43:51,720 INFO L355 BasicCegarLoop]: trace histogram [5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 13:43:51,720 INFO L408 AbstractCegarLoop]: === Iteration 98 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr29AssertViolationMEMORY_FREE, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr30AssertViolationMEMORY_FREE, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr32EnsuresViolationMEMORY_LEAK, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr31AssertViolationMEMORY_FREE, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr28AssertViolationMEMORY_FREE, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation]=== [2018-04-11 13:43:51,720 INFO L82 PathProgramCache]: Analyzing trace with hash -24242158, now seen corresponding path program 12 times [2018-04-11 13:43:51,721 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 13:43:51,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 13:43:51,731 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 13:43:52,489 INFO L134 CoverageAnalysis]: Checked inductivity of 103 backedges. 0 proven. 103 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:43:52,490 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-11 13:43:52,490 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [31] total 31 [2018-04-11 13:43:52,490 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 13:43:52,490 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 13:43:52,490 INFO L182 omatonBuilderFactory]: Interpolants [75073#(and (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= (select |#valid| main_~a~0.base) 1) (= 0 main_~a~0.offset) (= main_~p~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~p~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) 1) (= (select |#valid| main_~p~0.base) 1) (not (= main_~p~0.base main_~a~0.base))), 75072#(and (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4)) |main_#t~mem10.base|) (= (select |#valid| main_~a~0.base) 1) (= 0 main_~a~0.offset) (= (select |#valid| |main_#t~mem10.base|) 1) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (not (= (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)) |main_#t~mem10.base|)) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) 1) (not (= main_~a~0.base |main_#t~mem10.base|)) (= 0 |main_#t~mem10.offset|)), 75075#(and (not (= (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)) main_~t~0.base)) (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= 0 main_~a~0.offset) (= main_~p~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~p~0.offset 0) (not (= main_~p~0.base main_~t~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (not (= main_~p~0.base main_~a~0.base)) (not (= main_~a~0.base main_~t~0.base))), 75074#(and (not (= main_~p~0.base |main_#t~malloc9.base|)) (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= 0 main_~a~0.offset) (= main_~p~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~p~0.offset 0) (not (= main_~a~0.base |main_#t~malloc9.base|)) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (not (= main_~p~0.base main_~a~0.base)) (not (= (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)) |main_#t~malloc9.base|))), 75077#(and (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4)) |main_#t~mem10.base|)) (= 0 main_~a~0.offset) (= |main_#t~mem10.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (+ 0 4))) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (not (= (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)) |main_#t~mem10.base|)) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (not (= main_~a~0.base |main_#t~mem10.base|))), 75076#(and (not (= main_~a~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= 0 main_~a~0.offset) (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (not (= (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)) (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= main_~p~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~p~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4)))), 75079#(and (= 0 main_~a~0.offset) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (+ 0 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4)))), 75078#(and (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= 0 main_~a~0.offset) (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~p~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (+ 0 4))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (not (= main_~p~0.base main_~a~0.base))), 75081#(and (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem16.base|) (+ 0 4))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_#t~mem16.base|) (+ 0 4))) (+ 0 4)))) (= 0 |main_#t~mem16.offset|)), 75080#(and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) (+ 0 4))) (+ 0 4)))) (= main_~p~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) (+ 0 4)))), 75083#(and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) (+ 0 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4)))), 75082#(or (and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) (+ 0 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4)))) (<= (+ main_~p~0.offset 1) 0)), 75085#(or (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (<= (+ main_~p~0.offset 1) 0)), 75084#(and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| |main_#t~mem16.base|) (+ 0 4)))) (= 0 |main_#t~mem16.offset|)), 75087#(= 1 (select |#valid| |main_#t~mem16.base|)), 75086#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))), 75088#(= 1 (select |#valid| main_~p~0.base)), 75057#true, 75059#(= 0 |main_#t~malloc0.offset|), 75058#false, 75061#(and (= 0 main_~a~0.offset) (= main_~p~0.offset 0) (= main_~p~0.base main_~a~0.base)), 75060#(= 0 main_~a~0.offset), 75063#(and (not (= main_~p~0.base |main_#t~malloc9.base|)) (= 0 |main_#t~malloc9.offset|) (= 0 main_~a~0.offset) (= main_~p~0.offset 0) (= main_~p~0.base main_~a~0.base)), 75062#(and (= 0 main_~a~0.offset) (= main_~p~0.offset 0) (= (select |#valid| main_~p~0.base) 1) (= main_~p~0.base main_~a~0.base)), 75065#(and (= 0 main_~a~0.offset) (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= main_~p~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4))) (= (select |#valid| main_~p~0.base) 1) (= main_~p~0.base main_~a~0.base)), 75064#(and (= 0 main_~a~0.offset) (= 0 main_~t~0.offset) (= main_~p~0.offset 0) (not (= main_~p~0.base main_~t~0.base)) (= main_~p~0.base main_~a~0.base)), 75067#(and (= (select |#valid| main_~a~0.base) 1) (= 0 main_~a~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~p~0.offset 0) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (not (= main_~p~0.base main_~a~0.base))), 75066#(and (= (select |#valid| main_~a~0.base) 1) (= 0 main_~a~0.offset) (= (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)) |main_#t~mem10.base|) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (not (= main_~a~0.base |main_#t~mem10.base|)) (= 0 |main_#t~mem10.offset|)), 75069#(and (not (= main_~p~0.base |main_#t~malloc9.base|)) (= 0 |main_#t~malloc9.offset|) (= (select |#valid| main_~a~0.base) 1) (= 0 main_~a~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~p~0.offset 0) (not (= main_~a~0.base |main_#t~malloc9.base|)) (= (select |#valid| |main_#t~malloc9.base|) 1) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (not (= main_~p~0.base main_~a~0.base))), 75068#(and (= (select |#valid| main_~a~0.base) 1) (= 0 main_~a~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~p~0.offset 0) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (= (select |#valid| main_~p~0.base) 1) (not (= main_~p~0.base main_~a~0.base))), 75071#(and (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) 1) (not (= main_~a~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= (select |#valid| main_~a~0.base) 1) (= 0 main_~a~0.offset) (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~p~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4))) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (= (select |#valid| main_~p~0.base) 1)), 75070#(and (= (select |#valid| main_~a~0.base) 1) (= 0 main_~a~0.offset) (= 0 main_~t~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~p~0.offset 0) (not (= main_~p~0.base main_~t~0.base)) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (not (= main_~p~0.base main_~a~0.base)) (not (= main_~a~0.base main_~t~0.base)) (= (select |#valid| main_~t~0.base) 1))] [2018-04-11 13:43:52,490 INFO L134 CoverageAnalysis]: Checked inductivity of 103 backedges. 0 proven. 103 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:43:52,490 INFO L442 AbstractCegarLoop]: Interpolant automaton has 32 states [2018-04-11 13:43:52,491 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2018-04-11 13:43:52,491 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=99, Invalid=893, Unknown=0, NotChecked=0, Total=992 [2018-04-11 13:43:52,491 INFO L87 Difference]: Start difference. First operand 499 states and 563 transitions. Second operand 32 states. [2018-04-11 13:43:53,968 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 13:43:53,968 INFO L93 Difference]: Finished difference Result 571 states and 635 transitions. [2018-04-11 13:43:53,968 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2018-04-11 13:43:53,968 INFO L78 Accepts]: Start accepts. Automaton has 32 states. Word has length 84 [2018-04-11 13:43:53,968 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 13:43:53,969 INFO L225 Difference]: With dead ends: 571 [2018-04-11 13:43:53,969 INFO L226 Difference]: Without dead ends: 571 [2018-04-11 13:43:53,969 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 62 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 924 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=476, Invalid=3556, Unknown=0, NotChecked=0, Total=4032 [2018-04-11 13:43:53,970 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 571 states. [2018-04-11 13:43:53,971 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 571 to 509. [2018-04-11 13:43:53,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 509 states. [2018-04-11 13:43:53,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 509 states to 509 states and 573 transitions. [2018-04-11 13:43:53,972 INFO L78 Accepts]: Start accepts. Automaton has 509 states and 573 transitions. Word has length 84 [2018-04-11 13:43:53,972 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 13:43:53,972 INFO L459 AbstractCegarLoop]: Abstraction has 509 states and 573 transitions. [2018-04-11 13:43:53,972 INFO L460 AbstractCegarLoop]: Interpolant automaton has 32 states. [2018-04-11 13:43:53,972 INFO L276 IsEmpty]: Start isEmpty. Operand 509 states and 573 transitions. [2018-04-11 13:43:53,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2018-04-11 13:43:53,973 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 13:43:53,973 INFO L355 BasicCegarLoop]: trace histogram [5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 13:43:53,973 INFO L408 AbstractCegarLoop]: === Iteration 99 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr29AssertViolationMEMORY_FREE, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr30AssertViolationMEMORY_FREE, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr32EnsuresViolationMEMORY_LEAK, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr31AssertViolationMEMORY_FREE, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr28AssertViolationMEMORY_FREE, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation]=== [2018-04-11 13:43:53,973 INFO L82 PathProgramCache]: Analyzing trace with hash -24242157, now seen corresponding path program 9 times [2018-04-11 13:43:53,973 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 13:43:53,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 13:43:53,985 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 13:43:54,942 INFO L134 CoverageAnalysis]: Checked inductivity of 103 backedges. 0 proven. 103 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:43:54,942 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-11 13:43:54,942 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [34] total 34 [2018-04-11 13:43:54,942 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 13:43:54,942 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 13:43:54,942 INFO L182 omatonBuilderFactory]: Interpolants [76233#true, 76235#(= 0 |main_#t~malloc0.offset|), 76234#false, 76237#(and (= 0 main_~a~0.offset) (= main_~p~0.offset 0) (= main_~p~0.base main_~a~0.base)), 76236#(= 0 main_~a~0.offset), 76239#(and (not (= main_~p~0.base |main_#t~malloc9.base|)) (= 0 |main_#t~malloc9.offset|) (= 0 main_~a~0.offset) (= main_~p~0.offset 0) (= main_~p~0.base main_~a~0.base)), 76238#(and (= 0 main_~a~0.offset) (= main_~p~0.offset 0) (= (select |#valid| main_~p~0.base) 1) (= main_~p~0.base main_~a~0.base)), 76241#(and (= 0 main_~a~0.offset) (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= main_~p~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4))) (= (select |#valid| main_~p~0.base) 1) (= main_~p~0.base main_~a~0.base)), 76240#(and (= 0 main_~a~0.offset) (= 0 main_~t~0.offset) (= main_~p~0.offset 0) (not (= main_~p~0.base main_~t~0.base)) (= main_~p~0.base main_~a~0.base)), 76243#(and (= (select |#valid| main_~a~0.base) 1) (= 0 main_~a~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~p~0.offset 0) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (not (= main_~p~0.base main_~a~0.base))), 76242#(and (= (select |#valid| main_~a~0.base) 1) (= 0 main_~a~0.offset) (= (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)) |main_#t~mem10.base|) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (not (= main_~a~0.base |main_#t~mem10.base|)) (= 0 |main_#t~mem10.offset|)), 76245#(and (not (= main_~p~0.base |main_#t~malloc9.base|)) (= 0 |main_#t~malloc9.offset|) (= (select |#valid| main_~a~0.base) 1) (= 0 main_~a~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~p~0.offset 0) (not (= main_~a~0.base |main_#t~malloc9.base|)) (= (select |#valid| |main_#t~malloc9.base|) 1) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (not (= main_~p~0.base main_~a~0.base))), 76244#(and (= (select |#valid| main_~a~0.base) 1) (= 0 main_~a~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~p~0.offset 0) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (= (select |#valid| main_~p~0.base) 1) (not (= main_~p~0.base main_~a~0.base))), 76247#(and (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) 1) (not (= main_~a~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= (select |#valid| main_~a~0.base) 1) (= 0 main_~a~0.offset) (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~p~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4))) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (= (select |#valid| main_~p~0.base) 1)), 76246#(and (= (select |#valid| main_~a~0.base) 1) (= 0 main_~a~0.offset) (= 0 main_~t~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~p~0.offset 0) (not (= main_~p~0.base main_~t~0.base)) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (not (= main_~p~0.base main_~a~0.base)) (not (= main_~a~0.base main_~t~0.base)) (= (select |#valid| main_~t~0.base) 1)), 76249#(and (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= (select |#valid| main_~a~0.base) 1) (= 0 main_~a~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) 1) (or (<= (+ main_~p~0.offset 1) 0) (and (= main_~p~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (= 0 main_~p~0.offset) (= (select |#valid| main_~p~0.base) 1))) (not (= main_~p~0.base main_~a~0.base))), 76248#(and (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4)) |main_#t~mem10.base|) (= (select |#valid| main_~a~0.base) 1) (= 0 main_~a~0.offset) (= (select |#valid| |main_#t~mem10.base|) 1) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (not (= (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)) |main_#t~mem10.base|)) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) 1) (not (= main_~a~0.base |main_#t~mem10.base|)) (= 0 |main_#t~mem10.offset|)), 76251#(and (not (= main_~p~0.base |main_#t~malloc9.base|)) (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= 0 |main_#t~malloc9.offset|) (= 0 main_~a~0.offset) (= main_~p~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (not (= main_~a~0.base |main_#t~malloc9.base|)) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (= 0 main_~p~0.offset) (not (= main_~p~0.base main_~a~0.base)) (not (= (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)) |main_#t~malloc9.base|))), 76250#(and (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= (select |#valid| main_~a~0.base) 1) (= 0 main_~a~0.offset) (= main_~p~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= 0 main_~p~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) 1) (= (select |#valid| main_~p~0.base) 1) (not (= main_~p~0.base main_~a~0.base))), 76253#(and (not (= main_~a~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= 0 main_~a~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ 0 4))) (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (not (= (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)) (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= main_~p~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~p~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4)))), 76252#(and (not (= (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)) main_~t~0.base)) (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= 0 main_~a~0.offset) (= main_~p~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= 0 main_~t~0.offset) (not (= main_~p~0.base main_~t~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (= 0 main_~p~0.offset) (not (= main_~p~0.base main_~a~0.base)) (not (= main_~a~0.base main_~t~0.base))), 76255#(and (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (+ 0 4))) (= 0 main_~a~0.offset) (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~p~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (+ 0 4))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (not (= main_~p~0.base main_~a~0.base))), 76254#(and (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4)) |main_#t~mem10.base|)) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (+ 0 4))) (= 0 main_~a~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (not (= (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)) |main_#t~mem10.base|)) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (+ 0 4)) |main_#t~mem10.base|) (not (= main_~a~0.base |main_#t~mem10.base|))), 76257#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (+ 0 4))) (= 0 main_~a~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~p~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (+ 0 4))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (<= 8 (select |#length| main_~p~0.base))), 76256#(and (<= 0 main_~p~0.offset) (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (+ 0 4))) (= 0 main_~a~0.offset) (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~p~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (+ 0 4))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (not (= main_~p~0.base main_~a~0.base))), 76259#(and (= main_~p~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) (+ 0 4))) (+ 0 4))) (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) (+ 0 4))) (+ 0 4)))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) (+ 0 4)))), 76258#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (+ 0 4))) (= 0 main_~a~0.offset) (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (+ 0 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4)))), 76261#(or (and (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) (+ 0 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) (+ 0 4)))) (<= (+ main_~p~0.offset 1) 0)), 76260#(and (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem16.base|) (+ 0 4))) (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_#t~mem16.base|) (+ 0 4))) (+ 0 4)))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |main_#t~mem16.base|) (+ 0 4))) (+ 0 4))) (= 0 |main_#t~mem16.offset|)), 76263#(and (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem16.base|) (+ 0 4))) (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| |main_#t~mem16.base|) (+ 0 4)))) (= 0 |main_#t~mem16.offset|)), 76262#(and (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) (+ 0 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) (+ 0 4)))), 76265#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4))) (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))))), 76264#(or (and (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4))) (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))))) (<= (+ main_~p~0.offset 1) 0)), 76267#(and (= main_~p~0.offset 0) (<= 8 (select |#length| main_~p~0.base))), 76266#(and (<= 8 (select |#length| |main_#t~mem16.base|)) (= 0 |main_#t~mem16.offset|))] [2018-04-11 13:43:54,943 INFO L134 CoverageAnalysis]: Checked inductivity of 103 backedges. 0 proven. 103 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:43:54,943 INFO L442 AbstractCegarLoop]: Interpolant automaton has 35 states [2018-04-11 13:43:54,943 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2018-04-11 13:43:54,943 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=104, Invalid=1086, Unknown=0, NotChecked=0, Total=1190 [2018-04-11 13:43:54,943 INFO L87 Difference]: Start difference. First operand 509 states and 573 transitions. Second operand 35 states. [2018-04-11 13:43:56,893 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 13:43:56,894 INFO L93 Difference]: Finished difference Result 577 states and 642 transitions. [2018-04-11 13:43:56,894 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2018-04-11 13:43:56,894 INFO L78 Accepts]: Start accepts. Automaton has 35 states. Word has length 84 [2018-04-11 13:43:56,894 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 13:43:56,895 INFO L225 Difference]: With dead ends: 577 [2018-04-11 13:43:56,895 INFO L226 Difference]: Without dead ends: 577 [2018-04-11 13:43:56,895 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 67 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1113 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=481, Invalid=4211, Unknown=0, NotChecked=0, Total=4692 [2018-04-11 13:43:56,896 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 577 states. [2018-04-11 13:43:56,899 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 577 to 509. [2018-04-11 13:43:56,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 509 states. [2018-04-11 13:43:56,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 509 states to 509 states and 573 transitions. [2018-04-11 13:43:56,900 INFO L78 Accepts]: Start accepts. Automaton has 509 states and 573 transitions. Word has length 84 [2018-04-11 13:43:56,900 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 13:43:56,900 INFO L459 AbstractCegarLoop]: Abstraction has 509 states and 573 transitions. [2018-04-11 13:43:56,900 INFO L460 AbstractCegarLoop]: Interpolant automaton has 35 states. [2018-04-11 13:43:56,900 INFO L276 IsEmpty]: Start isEmpty. Operand 509 states and 573 transitions. [2018-04-11 13:43:56,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2018-04-11 13:43:56,901 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 13:43:56,901 INFO L355 BasicCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 13:43:56,901 INFO L408 AbstractCegarLoop]: === Iteration 100 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr29AssertViolationMEMORY_FREE, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr30AssertViolationMEMORY_FREE, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr32EnsuresViolationMEMORY_LEAK, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr31AssertViolationMEMORY_FREE, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr28AssertViolationMEMORY_FREE, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation]=== [2018-04-11 13:43:56,901 INFO L82 PathProgramCache]: Analyzing trace with hash 204680107, now seen corresponding path program 12 times [2018-04-11 13:43:56,902 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 13:43:56,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 13:43:56,915 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 13:43:58,443 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 0 proven. 61 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:43:58,443 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-11 13:43:58,443 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [42] total 42 [2018-04-11 13:43:58,443 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 13:43:58,444 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 13:43:58,444 INFO L182 omatonBuilderFactory]: Interpolants [77441#(and (not (= (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)) main_~t~0.base)) (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= 0 main_~a~0.offset) (= main_~p~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (= main_~a~0.offset main_~t~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~p~0.offset 0) (not (= main_~p~0.base main_~t~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (not (= main_~p~0.base main_~a~0.base)) (= (select |#valid| main_~t~0.base) 1)), 77440#(and (not (= main_~p~0.base |main_#t~malloc9.base|)) (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= main_~a~0.offset |main_#t~malloc9.offset|) (= 0 main_~a~0.offset) (= main_~p~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~p~0.offset 0) (= (select |#valid| |main_#t~malloc9.base|) 1) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (not (= main_~p~0.base main_~a~0.base)) (not (= (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)) |main_#t~malloc9.base|))), 77443#(and (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4)) |main_#t~mem10.base|)) (= 0 main_~a~0.offset) (= |main_#t~mem10.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (+ 0 4))) (= main_~a~0.offset |main_#t~mem10.offset|) (= (select |#valid| |main_#t~mem10.base|) 1) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (not (= (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)) |main_#t~mem10.base|)) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4)))), 77442#(and (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) 1) (= 0 main_~a~0.offset) (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (not (= (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)) (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= main_~p~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~p~0.offset 0) (= main_~a~0.offset (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4)))), 77445#(and (= 0 main_~a~0.offset) (or (and (= 2 (select (select |#memory_int| main_~p~0.base) main_~a~0.offset)) (= (select |#valid| main_~p~0.base) 1) (= main_~p~0.base main_~a~0.base)) (and (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~p~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (+ 0 4))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (not (= main_~p~0.base main_~a~0.base))))), 77444#(and (or (and (= (select |#valid| main_~p~0.base) 1) (= main_~p~0.base main_~a~0.base)) (and (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~p~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (+ 0 4))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (not (= main_~p~0.base main_~a~0.base)))) (= 0 main_~a~0.offset) (= main_~p~0.offset main_~a~0.offset)), 77447#(and (or (and (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~p~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (+ 0 4))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (not (= main_~p~0.base main_~a~0.base))) (and (not (= main_~p~0.base main_~t~0.base)) (= 2 (select (select |#memory_int| main_~p~0.base) main_~a~0.offset)) (= main_~p~0.base main_~a~0.base))) (= 0 main_~a~0.offset)), 77446#(and (or (and (not (= main_~p~0.base |main_#t~malloc9.base|)) (= 2 (select (select |#memory_int| main_~p~0.base) main_~a~0.offset)) (= main_~p~0.base main_~a~0.base)) (and (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~p~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (+ 0 4))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (not (= main_~p~0.base main_~a~0.base)))) (= 0 main_~a~0.offset)), 77449#(and (or (and (not (= main_~a~0.base |main_#t~mem10.base|)) (= 2 (select (select |#memory_int| main_~a~0.base) main_~a~0.offset))) (and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (+ 0 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))))) (= 0 main_~a~0.offset)), 77448#(and (or (and (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= 2 (select (select |#memory_int| main_~p~0.base) main_~a~0.offset)) (= main_~p~0.base main_~a~0.base)) (and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (+ 0 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))))) (= 0 main_~a~0.offset)), 77451#(and (or (= 2 (select (select |#memory_int| main_~a~0.base) main_~a~0.offset)) (and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (+ 0 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))))) (= 0 main_~a~0.offset)), 77450#(and (= 0 main_~a~0.offset) (or (and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (+ 0 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4)))) (and (not (= main_~p~0.base main_~a~0.base)) (= 2 (select (select |#memory_int| main_~a~0.base) main_~a~0.offset))))), 77453#(and (or (= 2 |main_#t~mem11|) (and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) (+ 0 4))) (+ 0 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) (+ 0 4))))) (= main_~p~0.offset 0)), 77452#(and (= main_~p~0.offset 0) (or (= 2 (select (select |#memory_int| main_~p~0.base) main_~p~0.offset)) (and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) (+ 0 4))) (+ 0 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) (+ 0 4)))))), 77455#(and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_#t~mem13.base|) (+ 0 4))) (+ 0 4)))) (= 0 |main_#t~mem13.offset|) (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem13.base|) (+ 0 4)))), 77454#(and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) (+ 0 4))) (+ 0 4)))) (= main_~p~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) (+ 0 4)))), 77457#(and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) (+ 0 4)))) (= main_~p~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4)))), 77456#(or (and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) (+ 0 4)))) (= main_~p~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4)))) (<= (+ main_~p~0.offset 1) 0)), 77459#(or (and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) (+ 0 4)))) (= main_~p~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4)))) (not (= 2 |main_#t~mem14|))), 77458#(or (not (= 2 (select (select |#memory_int| main_~p~0.base) main_~p~0.offset))) (and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) (+ 0 4)))) (= main_~p~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4))))), 77461#(or (<= (+ main_~p~0.offset 1) 0) (and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= main_~p~0.offset 0))), 77460#(and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| |main_#t~mem16.base|) (+ 0 4)))) (= 0 |main_#t~mem16.offset|)), 77463#(= 1 (select |#valid| |main_#t~mem16.base|)), 77462#(and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= main_~p~0.offset 0)), 77464#(= 1 (select |#valid| main_~p~0.base)), 77423#false, 77422#true, 77425#(= main_~a~0.offset 0), 77424#(= |main_#t~malloc0.offset| 0), 77427#(and (= main_~p~0.offset 0) (= main_~a~0.offset 0) (= (select |#valid| main_~p~0.base) 1) (= main_~p~0.base main_~a~0.base)), 77426#(and (= main_~p~0.offset 0) (= main_~a~0.offset 0) (= main_~p~0.base main_~a~0.base)), 77429#(and (= main_~p~0.offset 0) (= main_~a~0.offset 0) (not (= main_~p~0.base main_~t~0.base)) (= main_~p~0.base main_~a~0.base) (= main_~t~0.offset 0)), 77428#(and (= main_~p~0.offset 0) (= main_~a~0.offset 0) (not (= main_~p~0.base |main_#t~malloc4.base|)) (= main_~p~0.base main_~a~0.base) (= 0 |main_#t~malloc4.offset|)), 77431#(and (not (= main_~a~0.base |main_#t~mem5.base|)) (= (select |#valid| main_~a~0.base) 1) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~a~0.offset 0) (= (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)) |main_#t~mem5.base|) (= 0 |main_#t~mem5.offset|)), 77430#(and (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= main_~p~0.offset 0) (= main_~a~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4))) (= (select |#valid| main_~p~0.base) 1) (= main_~p~0.base main_~a~0.base)), 77433#(and (= (select |#valid| main_~a~0.base) 1) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~p~0.offset 0) (= main_~a~0.offset 0) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (= (select |#valid| main_~p~0.base) 1) (not (= main_~p~0.base main_~a~0.base))), 77432#(and (= (select |#valid| main_~a~0.base) 1) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~p~0.offset 0) (= main_~a~0.offset 0) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (not (= main_~p~0.base main_~a~0.base))), 77435#(and (= 0 main_~t~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~p~0.offset 0) (= main_~a~0.offset 0) (not (= main_~p~0.base main_~t~0.base)) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (not (= main_~p~0.base main_~a~0.base)) (not (= main_~a~0.base main_~t~0.base)) (= (select |#valid| main_~t~0.base) 1)), 77434#(and (not (= main_~p~0.base |main_#t~malloc9.base|)) (= 0 |main_#t~malloc9.offset|) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~p~0.offset 0) (= main_~a~0.offset 0) (not (= main_~a~0.base |main_#t~malloc9.base|)) (= (select |#valid| |main_#t~malloc9.base|) 1) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (not (= main_~p~0.base main_~a~0.base))), 77437#(and (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4)) |main_#t~mem10.base|) (= (select |#valid| |main_#t~mem10.base|) 1) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (not (= (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)) |main_#t~mem10.base|)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= main_~a~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (not (= main_~a~0.base |main_#t~mem10.base|)) (= 0 |main_#t~mem10.offset|)), 77436#(and (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) 1) (not (= main_~a~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~p~0.offset 0) (= main_~a~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4))) (= 1 (select |#valid| main_~p~0.base)) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))), 77439#(and (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= main_~p~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~p~0.offset 0) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= main_~a~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (= (select |#valid| main_~p~0.base) 1) (not (= main_~p~0.base main_~a~0.base))), 77438#(and (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= main_~p~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= main_~a~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (or (<= (+ main_~p~0.offset 1) 0) (= main_~p~0.offset 0)) (= (select |#valid| main_~p~0.base) 1) (not (= main_~p~0.base main_~a~0.base)))] [2018-04-11 13:43:58,444 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 0 proven. 61 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:43:58,444 INFO L442 AbstractCegarLoop]: Interpolant automaton has 43 states [2018-04-11 13:43:58,444 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 43 interpolants. [2018-04-11 13:43:58,444 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=145, Invalid=1661, Unknown=0, NotChecked=0, Total=1806 [2018-04-11 13:43:58,445 INFO L87 Difference]: Start difference. First operand 509 states and 573 transitions. Second operand 43 states. [2018-04-11 13:44:02,695 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 13:44:02,695 INFO L93 Difference]: Finished difference Result 576 states and 640 transitions. [2018-04-11 13:44:02,696 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2018-04-11 13:44:02,696 INFO L78 Accepts]: Start accepts. Automaton has 43 states. Word has length 84 [2018-04-11 13:44:02,696 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 13:44:02,696 INFO L225 Difference]: With dead ends: 576 [2018-04-11 13:44:02,696 INFO L226 Difference]: Without dead ends: 576 [2018-04-11 13:44:02,697 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 93 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2168 ImplicationChecksByTransitivity, 4.1s TimeCoverageRelationStatistics Valid=961, Invalid=7969, Unknown=0, NotChecked=0, Total=8930 [2018-04-11 13:44:02,697 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 576 states. [2018-04-11 13:44:02,698 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 576 to 514. [2018-04-11 13:44:02,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 514 states. [2018-04-11 13:44:02,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 514 states to 514 states and 578 transitions. [2018-04-11 13:44:02,699 INFO L78 Accepts]: Start accepts. Automaton has 514 states and 578 transitions. Word has length 84 [2018-04-11 13:44:02,699 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 13:44:02,699 INFO L459 AbstractCegarLoop]: Abstraction has 514 states and 578 transitions. [2018-04-11 13:44:02,699 INFO L460 AbstractCegarLoop]: Interpolant automaton has 43 states. [2018-04-11 13:44:02,699 INFO L276 IsEmpty]: Start isEmpty. Operand 514 states and 578 transitions. [2018-04-11 13:44:02,700 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2018-04-11 13:44:02,700 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 13:44:02,700 INFO L355 BasicCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 13:44:02,700 INFO L408 AbstractCegarLoop]: === Iteration 101 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr29AssertViolationMEMORY_FREE, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr30AssertViolationMEMORY_FREE, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr32EnsuresViolationMEMORY_LEAK, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr31AssertViolationMEMORY_FREE, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr28AssertViolationMEMORY_FREE, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation]=== [2018-04-11 13:44:02,700 INFO L82 PathProgramCache]: Analyzing trace with hash 204680108, now seen corresponding path program 6 times [2018-04-11 13:44:02,700 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 13:44:02,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 13:44:02,713 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 13:44:03,589 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 0 proven. 61 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:44:03,589 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-11 13:44:03,589 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [33] total 33 [2018-04-11 13:44:03,590 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 13:44:03,590 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 13:44:03,590 INFO L182 omatonBuilderFactory]: Interpolants [78659#true, 78661#(= 0 |main_#t~malloc0.offset|), 78660#false, 78663#(and (= 0 main_~a~0.offset) (= main_~p~0.offset 0) (= main_~p~0.base main_~a~0.base)), 78662#(= 0 main_~a~0.offset), 78665#(and (= 0 main_~a~0.offset) (= main_~p~0.offset 0) (not (= main_~p~0.base |main_#t~malloc4.base|)) (= main_~p~0.base main_~a~0.base) (= 0 |main_#t~malloc4.offset|)), 78664#(and (= 0 main_~a~0.offset) (= main_~p~0.offset 0) (= (select |#valid| main_~p~0.base) 1) (= main_~p~0.base main_~a~0.base)), 78667#(and (= 0 main_~a~0.offset) (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= main_~p~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4))) (= (select |#valid| main_~p~0.base) 1) (= main_~p~0.base main_~a~0.base)), 78666#(and (= 0 main_~a~0.offset) (= 0 main_~t~0.offset) (= main_~p~0.offset 0) (not (= main_~p~0.base main_~t~0.base)) (= main_~p~0.base main_~a~0.base)), 78669#(and (= (select |#valid| main_~a~0.base) 1) (= 0 main_~a~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~p~0.offset 0) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (not (= main_~p~0.base main_~a~0.base))), 78668#(and (not (= main_~a~0.base |main_#t~mem5.base|)) (= (select |#valid| main_~a~0.base) 1) (= 0 main_~a~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)) |main_#t~mem5.base|) (= 0 |main_#t~mem5.offset|)), 78671#(and (not (= main_~p~0.base |main_#t~malloc9.base|)) (= 0 |main_#t~malloc9.offset|) (= (select |#valid| main_~a~0.base) 1) (= 0 main_~a~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~p~0.offset 0) (not (= main_~a~0.base |main_#t~malloc9.base|)) (= (select |#valid| |main_#t~malloc9.base|) 1) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (not (= main_~p~0.base main_~a~0.base))), 78670#(and (= (select |#valid| main_~a~0.base) 1) (= 0 main_~a~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~p~0.offset 0) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (= (select |#valid| main_~p~0.base) 1) (not (= main_~p~0.base main_~a~0.base))), 78673#(and (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) 1) (not (= main_~a~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= (select |#valid| main_~a~0.base) 1) (= 0 main_~a~0.offset) (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~p~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4))) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (= (select |#valid| main_~p~0.base) 1)), 78672#(and (= (select |#valid| main_~a~0.base) 1) (= 0 main_~a~0.offset) (= 0 main_~t~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~p~0.offset 0) (not (= main_~p~0.base main_~t~0.base)) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (not (= main_~p~0.base main_~a~0.base)) (not (= main_~a~0.base main_~t~0.base)) (= (select |#valid| main_~t~0.base) 1)), 78675#(and (= (select |#valid| main_~a~0.base) 1) (= 0 main_~a~0.offset) (or (<= (+ main_~p~0.offset 1) 0) (and (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= main_~p~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (= main_~p~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) 1) (= (select |#valid| main_~p~0.base) 1))) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (not (= main_~p~0.base main_~a~0.base))), 78674#(and (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4)) |main_#t~mem10.base|) (= (select |#valid| main_~a~0.base) 1) (= 0 main_~a~0.offset) (= (select |#valid| |main_#t~mem10.base|) 1) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (not (= (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)) |main_#t~mem10.base|)) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) 1) (not (= main_~a~0.base |main_#t~mem10.base|)) (= 0 |main_#t~mem10.offset|)), 78677#(and (not (= main_~p~0.base |main_#t~malloc9.base|)) (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= 0 |main_#t~malloc9.offset|) (= 0 main_~a~0.offset) (= main_~p~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (= main_~p~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (not (= main_~a~0.base |main_#t~malloc9.base|)) (= 8 (select |#length| |main_#t~malloc9.base|)) (not (= main_~p~0.base main_~a~0.base)) (not (= (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)) |main_#t~malloc9.base|))), 78676#(and (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= (select |#valid| main_~a~0.base) 1) (= 0 main_~a~0.offset) (= main_~p~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (= main_~p~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) 1) (= (select |#valid| main_~p~0.base) 1) (not (= main_~p~0.base main_~a~0.base))), 78679#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (not (= main_~a~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= 0 main_~a~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ 0 4))) (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (not (= (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)) (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= main_~p~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~p~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4)))), 78678#(and (= 8 (select |#length| main_~t~0.base)) (not (= (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)) main_~t~0.base)) (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= 0 main_~a~0.offset) (= main_~p~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= 0 main_~t~0.offset) (= main_~p~0.offset 0) (not (= main_~p~0.base main_~t~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (not (= main_~p~0.base main_~a~0.base)) (not (= main_~a~0.base main_~t~0.base))), 78681#(and (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (+ 0 4))) (= 0 main_~a~0.offset) (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~p~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (+ 0 4))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (not (= main_~p~0.base main_~a~0.base)) (= 8 (select |#length| main_~p~0.base))), 78680#(and (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4)) |main_#t~mem10.base|)) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (+ 0 4))) (= 0 main_~a~0.offset) (= |main_#t~mem10.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (+ 0 4))) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (not (= (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)) |main_#t~mem10.base|)) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (= 8 (select |#length| |main_#t~mem10.base|)) (not (= main_~a~0.base |main_#t~mem10.base|))), 78683#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (+ 0 4))) (= 0 main_~a~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (+ 0 4))))), 78682#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (+ 0 4))) (= 0 main_~a~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~p~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (+ 0 4))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (= 8 (select |#length| main_~p~0.base))), 78685#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_#t~mem13.base|) (+ 0 4))) (+ 0 4)))) (= 0 |main_#t~mem13.offset|) (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem13.base|) (+ 0 4))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |main_#t~mem13.base|) (+ 0 4))) (+ 0 4)))), 78684#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) (+ 0 4))) (+ 0 4)))) (= main_~p~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) (+ 0 4))) (+ 0 4))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) (+ 0 4)))), 78687#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) (+ 0 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) (+ 0 4)))), 78686#(or (and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) (+ 0 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) (+ 0 4)))) (<= (+ main_~p~0.offset 1) 0)), 78689#(or (<= (+ main_~p~0.offset 1) 0) (and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4))))), 78688#(and (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem16.base|) (+ 0 4))) (= 0 |main_#t~mem16.offset|) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| |main_#t~mem16.base|) (+ 0 4))))), 78691#(and (= 0 |main_#t~mem16.offset|) (= 8 (select |#length| |main_#t~mem16.base|))), 78690#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4)))), 78692#(and (= main_~p~0.offset 0) (= 8 (select |#length| main_~p~0.base)))] [2018-04-11 13:44:03,590 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 0 proven. 61 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:44:03,590 INFO L442 AbstractCegarLoop]: Interpolant automaton has 34 states [2018-04-11 13:44:03,590 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2018-04-11 13:44:03,591 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=106, Invalid=1016, Unknown=0, NotChecked=0, Total=1122 [2018-04-11 13:44:03,591 INFO L87 Difference]: Start difference. First operand 514 states and 578 transitions. Second operand 34 states. [2018-04-11 13:44:05,449 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 13:44:05,449 INFO L93 Difference]: Finished difference Result 596 states and 661 transitions. [2018-04-11 13:44:05,449 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2018-04-11 13:44:05,449 INFO L78 Accepts]: Start accepts. Automaton has 34 states. Word has length 84 [2018-04-11 13:44:05,449 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 13:44:05,449 INFO L225 Difference]: With dead ends: 596 [2018-04-11 13:44:05,450 INFO L226 Difference]: Without dead ends: 596 [2018-04-11 13:44:05,450 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 60 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 880 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=408, Invalid=3374, Unknown=0, NotChecked=0, Total=3782 [2018-04-11 13:44:05,450 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 596 states. [2018-04-11 13:44:05,452 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 596 to 504. [2018-04-11 13:44:05,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 504 states. [2018-04-11 13:44:05,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 504 states to 504 states and 568 transitions. [2018-04-11 13:44:05,452 INFO L78 Accepts]: Start accepts. Automaton has 504 states and 568 transitions. Word has length 84 [2018-04-11 13:44:05,452 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 13:44:05,452 INFO L459 AbstractCegarLoop]: Abstraction has 504 states and 568 transitions. [2018-04-11 13:44:05,452 INFO L460 AbstractCegarLoop]: Interpolant automaton has 34 states. [2018-04-11 13:44:05,452 INFO L276 IsEmpty]: Start isEmpty. Operand 504 states and 568 transitions. [2018-04-11 13:44:05,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2018-04-11 13:44:05,453 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 13:44:05,453 INFO L355 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 13:44:05,453 INFO L408 AbstractCegarLoop]: === Iteration 102 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr29AssertViolationMEMORY_FREE, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr30AssertViolationMEMORY_FREE, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr32EnsuresViolationMEMORY_LEAK, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr31AssertViolationMEMORY_FREE, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr28AssertViolationMEMORY_FREE, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation]=== [2018-04-11 13:44:05,453 INFO L82 PathProgramCache]: Analyzing trace with hash -1991797774, now seen corresponding path program 13 times [2018-04-11 13:44:05,453 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 13:44:05,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 13:44:05,466 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 13:44:06,469 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 51 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:44:06,469 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-11 13:44:06,469 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [32] total 32 [2018-04-11 13:44:06,469 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 13:44:06,469 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 13:44:06,469 INFO L182 omatonBuilderFactory]: Interpolants [79873#(and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) (+ 0 4))) (+ 0 4)))) (= main_~p~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) (+ 0 4)))), 79872#(and (= 0 main_~a~0.offset) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (+ 0 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4)))), 79875#(or (and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) (+ 0 4)))) (= main_~p~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4)))) (<= (+ main_~p~0.offset 1) 0)), 79874#(and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_#t~mem13.base|) (+ 0 4))) (+ 0 4)))) (= 0 |main_#t~mem13.offset|) (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem13.base|) (+ 0 4)))), 79877#(and (= 0 |main_#t~mem13.offset|) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| |main_#t~mem13.base|) (+ 0 4))))), 79876#(and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) (+ 0 4)))) (= main_~p~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4)))), 79879#(and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= main_~p~0.offset 0)), 79878#(or (<= (+ main_~p~0.offset 1) 0) (and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= main_~p~0.offset 0))), 79881#(= 1 (select |#valid| main_~p~0.base)), 79880#(= 1 (select |#valid| |main_#t~mem16.base|)), 79849#true, 79851#(= 0 |main_#t~malloc0.offset|), 79850#false, 79853#(and (= 0 main_~a~0.offset) (= main_~p~0.offset 0) (= main_~p~0.base main_~a~0.base)), 79852#(= 0 main_~a~0.offset), 79855#(and (= (select |#valid| |main_#t~malloc4.base|) 1) (= 0 main_~a~0.offset) (= main_~p~0.offset 0) (not (= main_~p~0.base |main_#t~malloc4.base|)) (= main_~p~0.base main_~a~0.base) (= 0 |main_#t~malloc4.offset|)), 79854#(and (= 0 main_~a~0.offset) (= main_~p~0.offset 0) (= (select |#valid| main_~p~0.base) 1) (= main_~p~0.base main_~a~0.base)), 79857#(and (= 0 main_~a~0.offset) (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= main_~p~0.offset 0) (= (select |#valid| main_~p~0.base) (select |#valid| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4))) (= (select |#valid| main_~p~0.base) 1) (= main_~p~0.base main_~a~0.base)), 79856#(and (= 0 main_~a~0.offset) (= main_~p~0.offset 0) (not (= main_~p~0.base main_~t~0.base)) (= main_~p~0.base main_~a~0.base) (= main_~t~0.offset 0) (= (select |#valid| main_~t~0.base) 1)), 79859#(and (= (select |#valid| main_~a~0.base) 1) (or (<= (+ main_~p~0.offset 1) 0) (= 0 main_~p~0.offset)) (= 0 main_~a~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (= (select |#valid| main_~p~0.base) 1) (not (= main_~p~0.base main_~a~0.base))), 79858#(and (not (= main_~a~0.base |main_#t~mem5.base|)) (= (select |#valid| main_~a~0.base) 1) (= 0 main_~a~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)) |main_#t~mem5.base|) (= (select |#valid| |main_#t~mem5.base|) 1) (= 0 |main_#t~mem5.offset|)), 79861#(and (= (select |#valid| |main_#t~malloc4.base|) 1) (not (= main_~a~0.base |main_#t~malloc4.base|)) (= (select |#valid| main_~a~0.base) 1) (= 0 main_~a~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (not (= main_~p~0.base |main_#t~malloc4.base|)) (= 0 main_~p~0.offset) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (not (= main_~p~0.base main_~a~0.base)) (= 0 |main_#t~malloc4.offset|)), 79860#(and (= (select |#valid| main_~a~0.base) 1) (= 0 main_~a~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= 0 main_~p~0.offset) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (= (select |#valid| main_~p~0.base) 1) (not (= main_~p~0.base main_~a~0.base))), 79863#(and (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) 1) (not (= main_~a~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= (select |#valid| main_~a~0.base) 1) (= 0 main_~a~0.offset) (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= main_~p~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4))) (= 1 (select |#valid| main_~p~0.base)) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))), 79862#(and (= (select |#valid| main_~a~0.base) 1) (= 0 main_~a~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= 0 main_~t~0.offset) (not (= main_~p~0.base main_~t~0.base)) (= 0 main_~p~0.offset) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (not (= main_~p~0.base main_~a~0.base)) (not (= main_~a~0.base main_~t~0.base)) (= (select |#valid| main_~t~0.base) 1)), 79865#(and (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= (select |#valid| main_~a~0.base) 1) (= 0 main_~a~0.offset) (= main_~p~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (or (<= (+ main_~p~0.offset 1) 0) (= main_~p~0.offset 0)) (= (select |#valid| main_~p~0.base) 1) (not (= main_~p~0.base main_~a~0.base))), 79864#(and (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4)) |main_#t~mem5.base|) (not (= main_~a~0.base |main_#t~mem5.base|)) (= (select |#valid| main_~a~0.base) 1) (= 0 main_~a~0.offset) (not (= (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)) |main_#t~mem5.base|)) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (= (select |#valid| |main_#t~mem5.base|) 1) (= 0 |main_#t~mem5.offset|)), 79867#(and (not (= main_~p~0.base |main_#t~malloc9.base|)) (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= 0 main_~a~0.offset) (= main_~p~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~p~0.offset 0) (not (= main_~a~0.base |main_#t~malloc9.base|)) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (not (= main_~p~0.base main_~a~0.base)) (not (= (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)) |main_#t~malloc9.base|))), 79866#(and (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= (select |#valid| main_~a~0.base) 1) (= 0 main_~a~0.offset) (= main_~p~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~p~0.offset 0) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (= (select |#valid| main_~p~0.base) 1) (not (= main_~p~0.base main_~a~0.base))), 79869#(and (not (= main_~a~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= 0 main_~a~0.offset) (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (not (= (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)) (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= main_~p~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~p~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4)))), 79868#(and (not (= (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)) main_~t~0.base)) (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= 0 main_~a~0.offset) (= main_~p~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~p~0.offset 0) (not (= main_~p~0.base main_~t~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (not (= main_~p~0.base main_~a~0.base)) (not (= main_~a~0.base main_~t~0.base))), 79871#(and (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= 0 main_~a~0.offset) (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~p~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (+ 0 4))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (not (= main_~p~0.base main_~a~0.base))), 79870#(and (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4)) |main_#t~mem10.base|)) (= 0 main_~a~0.offset) (= |main_#t~mem10.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (+ 0 4))) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (not (= (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)) |main_#t~mem10.base|)) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (not (= main_~a~0.base |main_#t~mem10.base|)))] [2018-04-11 13:44:06,470 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 51 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:44:06,470 INFO L442 AbstractCegarLoop]: Interpolant automaton has 33 states [2018-04-11 13:44:06,470 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2018-04-11 13:44:06,470 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=105, Invalid=951, Unknown=0, NotChecked=0, Total=1056 [2018-04-11 13:44:06,470 INFO L87 Difference]: Start difference. First operand 504 states and 568 transitions. Second operand 33 states. [2018-04-11 13:44:08,207 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 13:44:08,207 INFO L93 Difference]: Finished difference Result 568 states and 632 transitions. [2018-04-11 13:44:08,207 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2018-04-11 13:44:08,207 INFO L78 Accepts]: Start accepts. Automaton has 33 states. Word has length 84 [2018-04-11 13:44:08,207 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 13:44:08,208 INFO L225 Difference]: With dead ends: 568 [2018-04-11 13:44:08,208 INFO L226 Difference]: Without dead ends: 568 [2018-04-11 13:44:08,208 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 62 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 877 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=480, Invalid=3552, Unknown=0, NotChecked=0, Total=4032 [2018-04-11 13:44:08,208 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 568 states. [2018-04-11 13:44:08,211 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 568 to 509. [2018-04-11 13:44:08,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 509 states. [2018-04-11 13:44:08,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 509 states to 509 states and 573 transitions. [2018-04-11 13:44:08,211 INFO L78 Accepts]: Start accepts. Automaton has 509 states and 573 transitions. Word has length 84 [2018-04-11 13:44:08,211 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 13:44:08,211 INFO L459 AbstractCegarLoop]: Abstraction has 509 states and 573 transitions. [2018-04-11 13:44:08,211 INFO L460 AbstractCegarLoop]: Interpolant automaton has 33 states. [2018-04-11 13:44:08,212 INFO L276 IsEmpty]: Start isEmpty. Operand 509 states and 573 transitions. [2018-04-11 13:44:08,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2018-04-11 13:44:08,212 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 13:44:08,212 INFO L355 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 13:44:08,212 INFO L408 AbstractCegarLoop]: === Iteration 103 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr29AssertViolationMEMORY_FREE, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr30AssertViolationMEMORY_FREE, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr32EnsuresViolationMEMORY_LEAK, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr31AssertViolationMEMORY_FREE, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr28AssertViolationMEMORY_FREE, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation]=== [2018-04-11 13:44:08,212 INFO L82 PathProgramCache]: Analyzing trace with hash -1991797773, now seen corresponding path program 7 times [2018-04-11 13:44:08,212 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 13:44:08,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 13:44:08,221 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 13:44:09,216 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 51 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:44:09,216 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-11 13:44:09,216 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [33] total 33 [2018-04-11 13:44:09,216 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 13:44:09,217 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 13:44:09,217 INFO L182 omatonBuilderFactory]: Interpolants [81025#(and (= 0 main_~a~0.offset) (= main_~p~0.offset 0) (= main_~p~0.base main_~a~0.base)), 81024#(= 0 main_~a~0.offset), 81027#(and (= (select |#valid| |main_#t~malloc4.base|) 1) (= 0 main_~a~0.offset) (= main_~p~0.offset 0) (not (= main_~p~0.base |main_#t~malloc4.base|)) (= main_~p~0.base main_~a~0.base) (= 0 |main_#t~malloc4.offset|)), 81026#(and (= 0 main_~a~0.offset) (= main_~p~0.offset 0) (= (select |#valid| main_~p~0.base) 1) (= main_~p~0.base main_~a~0.base)), 81029#(and (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) 1) (= 0 main_~a~0.offset) (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= main_~p~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4))) (= (select |#valid| main_~p~0.base) 1) (= main_~p~0.base main_~a~0.base)), 81028#(and (= 0 main_~a~0.offset) (= 0 main_~t~0.offset) (= main_~p~0.offset 0) (not (= main_~p~0.base main_~t~0.base)) (= main_~p~0.base main_~a~0.base) (= (select |#valid| main_~t~0.base) 1)), 81031#(and (= (select |#valid| main_~a~0.base) 1) (= 0 main_~a~0.offset) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (= (select |#valid| main_~p~0.base) 1) (not (= main_~p~0.base main_~a~0.base)) (or (<= (+ main_~p~0.offset 1) 0) (and (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= 0 main_~p~0.offset)))), 81030#(and (not (= main_~a~0.base |main_#t~mem5.base|)) (= (select |#valid| main_~a~0.base) 1) (= 0 main_~a~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)) |main_#t~mem5.base|) (= (select |#valid| |main_#t~mem5.base|) 1) (= 0 |main_#t~mem5.offset|)), 81033#(and (= (select |#valid| |main_#t~malloc4.base|) 1) (not (= main_~a~0.base |main_#t~malloc4.base|)) (= (select |#valid| main_~a~0.base) 1) (= 0 main_~a~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (not (= main_~p~0.base |main_#t~malloc4.base|)) (= 0 main_~p~0.offset) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (not (= main_~p~0.base main_~a~0.base)) (= 0 |main_#t~malloc4.offset|)), 81032#(and (= (select |#valid| main_~a~0.base) 1) (= 0 main_~a~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= 0 main_~p~0.offset) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (= (select |#valid| main_~p~0.base) 1) (not (= main_~p~0.base main_~a~0.base))), 81035#(and (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) 1) (not (= main_~a~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= (select |#valid| main_~a~0.base) 1) (= 0 main_~a~0.offset) (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~p~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4))) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (= (select |#valid| main_~p~0.base) 1)), 81034#(and (= (select |#valid| main_~a~0.base) 1) (= 0 main_~a~0.offset) (= 0 main_~t~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (not (= main_~p~0.base main_~t~0.base)) (= 0 main_~p~0.offset) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (not (= main_~p~0.base main_~a~0.base)) (not (= main_~a~0.base main_~t~0.base)) (= (select |#valid| main_~t~0.base) 1)), 81037#(and (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= (select |#valid| main_~a~0.base) 1) (= 0 main_~a~0.offset) (= main_~p~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~p~0.offset 0) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) 1) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (= (select |#valid| main_~p~0.base) 1) (not (= main_~p~0.base main_~a~0.base))), 81036#(and (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4)) |main_#t~mem5.base|) (not (= main_~a~0.base |main_#t~mem5.base|)) (= (select |#valid| main_~a~0.base) 1) (= 0 main_~a~0.offset) (not (= (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)) |main_#t~mem5.base|)) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) 1) (= (select |#valid| |main_#t~mem5.base|) 1) (= 0 |main_#t~mem5.offset|)), 81039#(and (not (= (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)) main_~t~0.base)) (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= 0 main_~a~0.offset) (= main_~p~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (= 0 main_~t~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~p~0.offset 0) (not (= main_~p~0.base main_~t~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (not (= main_~p~0.base main_~a~0.base)) (not (= main_~a~0.base main_~t~0.base))), 81038#(and (not (= main_~p~0.base |main_#t~malloc9.base|)) (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= 0 |main_#t~malloc9.offset|) (= 0 main_~a~0.offset) (= main_~p~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~p~0.offset 0) (not (= main_~a~0.base |main_#t~malloc9.base|)) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (not (= main_~p~0.base main_~a~0.base)) (not (= (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)) |main_#t~malloc9.base|))), 81041#(and (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4)) |main_#t~mem10.base|)) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (+ 0 4))) (= 0 main_~a~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (not (= (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)) |main_#t~mem10.base|)) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (+ 0 4)) |main_#t~mem10.base|) (not (= main_~a~0.base |main_#t~mem10.base|))), 81040#(and (not (= main_~a~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= 0 main_~a~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ 0 4))) (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (not (= (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)) (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= main_~p~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~p~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4)))), 81043#(and (<= 0 main_~p~0.offset) (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (+ 0 4))) (= 0 main_~a~0.offset) (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~p~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (+ 0 4))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (not (= main_~p~0.base main_~a~0.base))), 81042#(and (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (+ 0 4))) (= 0 main_~a~0.offset) (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~p~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (+ 0 4))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (not (= main_~p~0.base main_~a~0.base))), 81045#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (+ 0 4))) (= 0 main_~a~0.offset) (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (+ 0 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4)))), 81044#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (+ 0 4))) (= 0 main_~a~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~p~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (+ 0 4))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (<= 8 (select |#length| main_~p~0.base))), 81047#(and (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_#t~mem13.base|) (+ 0 4))) (+ 0 4)))) (= 0 |main_#t~mem13.offset|) (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem13.base|) (+ 0 4))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |main_#t~mem13.base|) (+ 0 4))) (+ 0 4)))), 81046#(and (= main_~p~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) (+ 0 4))) (+ 0 4))) (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) (+ 0 4))) (+ 0 4)))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) (+ 0 4)))), 81049#(and (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) (+ 0 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) (+ 0 4)))), 81048#(or (and (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) (+ 0 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) (+ 0 4)))) (<= (+ main_~p~0.offset 1) 0)), 81051#(or (and (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4))) (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))))) (<= (+ main_~p~0.offset 1) 0)), 81050#(and (= 0 |main_#t~mem13.offset|) (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem13.base|) (+ 0 4))) (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| |main_#t~mem13.base|) (+ 0 4))))), 81053#(and (<= 8 (select |#length| |main_#t~mem16.base|)) (= 0 |main_#t~mem16.offset|)), 81052#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4))) (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))))), 81054#(and (= main_~p~0.offset 0) (<= 8 (select |#length| main_~p~0.base))), 81021#true, 81023#(= 0 |main_#t~malloc0.offset|), 81022#false] [2018-04-11 13:44:09,217 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 51 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:44:09,217 INFO L442 AbstractCegarLoop]: Interpolant automaton has 34 states [2018-04-11 13:44:09,217 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2018-04-11 13:44:09,217 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=98, Invalid=1024, Unknown=0, NotChecked=0, Total=1122 [2018-04-11 13:44:09,217 INFO L87 Difference]: Start difference. First operand 509 states and 573 transitions. Second operand 34 states. [2018-04-11 13:44:11,558 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 13:44:11,558 INFO L93 Difference]: Finished difference Result 577 states and 642 transitions. [2018-04-11 13:44:11,558 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2018-04-11 13:44:11,558 INFO L78 Accepts]: Start accepts. Automaton has 34 states. Word has length 84 [2018-04-11 13:44:11,559 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 13:44:11,559 INFO L225 Difference]: With dead ends: 577 [2018-04-11 13:44:11,559 INFO L226 Difference]: Without dead ends: 577 [2018-04-11 13:44:11,559 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 67 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1036 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=480, Invalid=4212, Unknown=0, NotChecked=0, Total=4692 [2018-04-11 13:44:11,560 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 577 states. [2018-04-11 13:44:11,561 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 577 to 504. [2018-04-11 13:44:11,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 504 states. [2018-04-11 13:44:11,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 504 states to 504 states and 568 transitions. [2018-04-11 13:44:11,562 INFO L78 Accepts]: Start accepts. Automaton has 504 states and 568 transitions. Word has length 84 [2018-04-11 13:44:11,562 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 13:44:11,562 INFO L459 AbstractCegarLoop]: Abstraction has 504 states and 568 transitions. [2018-04-11 13:44:11,562 INFO L460 AbstractCegarLoop]: Interpolant automaton has 34 states. [2018-04-11 13:44:11,562 INFO L276 IsEmpty]: Start isEmpty. Operand 504 states and 568 transitions. [2018-04-11 13:44:11,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2018-04-11 13:44:11,563 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 13:44:11,563 INFO L355 BasicCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 13:44:11,563 INFO L408 AbstractCegarLoop]: === Iteration 104 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr29AssertViolationMEMORY_FREE, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr30AssertViolationMEMORY_FREE, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr32EnsuresViolationMEMORY_LEAK, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr31AssertViolationMEMORY_FREE, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr28AssertViolationMEMORY_FREE, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation]=== [2018-04-11 13:44:11,563 INFO L82 PathProgramCache]: Analyzing trace with hash 424356424, now seen corresponding path program 14 times [2018-04-11 13:44:11,563 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 13:44:11,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 13:44:11,573 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 13:44:12,428 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 0 proven. 60 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-04-11 13:44:12,429 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-11 13:44:12,429 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [37] total 37 [2018-04-11 13:44:12,429 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 13:44:12,429 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 13:44:12,429 INFO L182 omatonBuilderFactory]: Interpolants [82241#(= 1 (select (select |#memory_int| main_~p~0.base) main_~p~0.offset)), 82240#(= 1 (select (select |#memory_int| |main_#t~mem13.base|) |main_#t~mem13.offset|)), 82242#(and (= |main_#t~mem11| (select (select |#memory_int| main_~p~0.base) main_~p~0.offset)) (= 1 (select (select |#memory_int| main_~p~0.base) main_~p~0.offset))), 82207#false, 82206#true, 82209#(= 0 main_~a~0.offset), 82208#(= 0 |main_#t~malloc0.offset|), 82211#(and (= 0 main_~a~0.offset) (= main_~p~0.offset 0) (= (select |#valid| main_~p~0.base) 1) (= main_~p~0.base main_~a~0.base)), 82210#(and (= 0 main_~a~0.offset) (= main_~p~0.offset 0) (= main_~p~0.base main_~a~0.base)), 82213#(and (= 0 main_~a~0.offset) (= 0 main_~t~0.offset) (= main_~p~0.offset 0) (not (= main_~p~0.base main_~t~0.base)) (= main_~p~0.base main_~a~0.base) (= (select |#valid| main_~t~0.base) 1)), 82212#(and (= (select |#valid| |main_#t~malloc4.base|) 1) (= 0 main_~a~0.offset) (= main_~p~0.offset 0) (not (= main_~p~0.base |main_#t~malloc4.base|)) (= main_~p~0.base main_~a~0.base) (= 0 |main_#t~malloc4.offset|)), 82215#(and (not (= main_~a~0.base |main_#t~mem5.base|)) (= (select |#valid| main_~a~0.base) 1) (= 0 main_~a~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)) |main_#t~mem5.base|) (= (select |#valid| |main_#t~mem5.base|) 1) (= 0 |main_#t~mem5.offset|)), 82214#(and (= 0 main_~a~0.offset) (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= main_~p~0.offset 0) (= (select |#valid| main_~p~0.base) (select |#valid| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4))) (= (select |#valid| main_~p~0.base) 1) (= main_~p~0.base main_~a~0.base)), 82217#(and (= (select |#valid| main_~a~0.base) 1) (= 0 main_~a~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= 0 main_~p~0.offset) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (= (select |#valid| main_~p~0.base) 1) (not (= main_~p~0.base main_~a~0.base))), 82216#(and (= (select |#valid| main_~a~0.base) 1) (= 0 main_~a~0.offset) (or (<= (+ main_~p~0.offset 1) 0) (and (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= 0 main_~p~0.offset) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))))) (= (select |#valid| main_~p~0.base) 1) (not (= main_~p~0.base main_~a~0.base))), 82219#(and (= (select |#valid| main_~a~0.base) 1) (= 0 main_~a~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (not (= main_~p~0.base main_~t~0.base)) (= 0 main_~p~0.offset) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (not (= main_~p~0.base main_~a~0.base)) (not (= main_~a~0.base main_~t~0.base)) (= (select |#valid| main_~t~0.base) 1)), 82218#(and (= (select |#valid| |main_#t~malloc4.base|) 1) (not (= main_~a~0.base |main_#t~malloc4.base|)) (= (select |#valid| main_~a~0.base) 1) (= 0 main_~a~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (not (= main_~p~0.base |main_#t~malloc4.base|)) (= 0 main_~p~0.offset) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (not (= main_~p~0.base main_~a~0.base))), 82221#(and (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4)) |main_#t~mem5.base|) (not (= main_~a~0.base |main_#t~mem5.base|)) (= (select |#valid| main_~a~0.base) 1) (= 0 main_~a~0.offset) (not (= (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)) |main_#t~mem5.base|)) (= |main_#t~mem5.offset| (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) 1) (= (select |#valid| |main_#t~mem5.base|) 1)), 82220#(and (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) 1) (not (= main_~a~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= (select |#valid| main_~a~0.base) 1) (= 0 main_~a~0.offset) (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~p~0.offset 0) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (= (select |#valid| main_~p~0.base) 1)), 82223#(and (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= 1 (select (select |#memory_int| main_~p~0.base) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4)))) (= (select |#valid| main_~a~0.base) 1) (= 0 main_~a~0.offset) (= main_~p~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) 1) (= (select |#valid| main_~p~0.base) 1) (not (= main_~p~0.base main_~a~0.base))), 82222#(and (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= main_~p~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (= (select |#valid| main_~a~0.base) 1) (= 0 main_~a~0.offset) (= main_~p~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) 1) (= (select |#valid| main_~p~0.base) 1) (not (= main_~p~0.base main_~a~0.base))), 82225#(and (not (= (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)) main_~t~0.base)) (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= 1 (select (select |#memory_int| main_~p~0.base) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4)))) (= 0 main_~a~0.offset) (= main_~p~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (not (= main_~p~0.base main_~t~0.base)) (not (= main_~p~0.base main_~a~0.base)) (not (= main_~a~0.base main_~t~0.base))), 82224#(and (not (= main_~a~0.base |main_#t~malloc4.base|)) (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (not (= (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)) |main_#t~malloc4.base|)) (= 1 (select (select |#memory_int| main_~p~0.base) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4)))) (= 0 main_~a~0.offset) (= main_~p~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (not (= main_~p~0.base |main_#t~malloc4.base|)) (not (= main_~p~0.base main_~a~0.base))), 82227#(and (not (= main_~a~0.base |main_#t~mem5.base|)) (= 0 main_~a~0.offset) (not (= (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)) |main_#t~mem5.base|)) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (not (= (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) 0)) (= 1 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4)))) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4)) |main_#t~mem5.base|))), 82226#(and (= 1 (select (select |#memory_int| main_~p~0.base) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4)))) (not (= main_~a~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (not (= (select |#valid| main_~p~0.base) 0)) (= 0 main_~a~0.offset) (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (not (= (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)) (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= main_~p~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4)))), 82229#(and (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= 0 main_~a~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (not (= (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) 0)) (= 1 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4)))) (not (= main_~p~0.base main_~a~0.base))), 82228#(and (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= 0 main_~a~0.offset) (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (not (= (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) 0)) (= 1 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4)))) (not (= main_~p~0.base main_~a~0.base))), 82231#(and (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= 0 main_~a~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4)) main_~t~0.base)) (= 1 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4)))) (not (= main_~p~0.base main_~a~0.base))), 82230#(and (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= 0 main_~a~0.offset) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4)) |main_#t~malloc9.base|)) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= 1 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4)))) (not (= main_~p~0.base main_~a~0.base))), 82233#(and (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4)) |main_#t~mem10.base|)) (= 0 main_~a~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= 1 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))))), 82232#(and (= 0 main_~a~0.offset) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4)) (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= 1 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))))), 82235#(and (= 0 main_~a~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= 1 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))))), 82234#(and (= 0 main_~a~0.offset) (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= 1 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))))), 82237#(and (= 0 |main_#t~mem13.offset|) (= 1 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |main_#t~mem13.base|) (+ 0 4))) (select (select |#memory_$Pointer$.offset| |main_#t~mem13.base|) (+ 0 4))))), 82236#(and (= main_~p~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4))) (= 1 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) (+ 0 4))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) (+ 0 4))))), 82239#(= 1 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4)))), 82238#(or (<= (+ main_~p~0.offset 1) 0) (= 1 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4)))))] [2018-04-11 13:44:12,429 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 0 proven. 60 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-04-11 13:44:12,429 INFO L442 AbstractCegarLoop]: Interpolant automaton has 37 states [2018-04-11 13:44:12,430 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2018-04-11 13:44:12,430 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=124, Invalid=1208, Unknown=0, NotChecked=0, Total=1332 [2018-04-11 13:44:12,430 INFO L87 Difference]: Start difference. First operand 504 states and 568 transitions. Second operand 37 states. [2018-04-11 13:44:14,865 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 13:44:14,865 INFO L93 Difference]: Finished difference Result 609 states and 677 transitions. [2018-04-11 13:44:14,865 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2018-04-11 13:44:14,865 INFO L78 Accepts]: Start accepts. Automaton has 37 states. Word has length 84 [2018-04-11 13:44:14,865 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 13:44:14,866 INFO L225 Difference]: With dead ends: 609 [2018-04-11 13:44:14,866 INFO L226 Difference]: Without dead ends: 609 [2018-04-11 13:44:14,866 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 71 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1117 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=584, Invalid=4672, Unknown=0, NotChecked=0, Total=5256 [2018-04-11 13:44:14,866 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 609 states. [2018-04-11 13:44:14,868 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 609 to 519. [2018-04-11 13:44:14,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 519 states. [2018-04-11 13:44:14,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 519 states to 519 states and 583 transitions. [2018-04-11 13:44:14,868 INFO L78 Accepts]: Start accepts. Automaton has 519 states and 583 transitions. Word has length 84 [2018-04-11 13:44:14,868 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 13:44:14,868 INFO L459 AbstractCegarLoop]: Abstraction has 519 states and 583 transitions. [2018-04-11 13:44:14,868 INFO L460 AbstractCegarLoop]: Interpolant automaton has 37 states. [2018-04-11 13:44:14,869 INFO L276 IsEmpty]: Start isEmpty. Operand 519 states and 583 transitions. [2018-04-11 13:44:14,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2018-04-11 13:44:14,869 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 13:44:14,869 INFO L355 BasicCegarLoop]: trace histogram [5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 13:44:14,869 INFO L408 AbstractCegarLoop]: === Iteration 105 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr29AssertViolationMEMORY_FREE, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr30AssertViolationMEMORY_FREE, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr32EnsuresViolationMEMORY_LEAK, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr31AssertViolationMEMORY_FREE, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr28AssertViolationMEMORY_FREE, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation]=== [2018-04-11 13:44:14,869 INFO L82 PathProgramCache]: Analyzing trace with hash -823775822, now seen corresponding path program 7 times [2018-04-11 13:44:14,870 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 13:44:14,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 13:44:14,885 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 13:44:15,772 INFO L134 CoverageAnalysis]: Checked inductivity of 95 backedges. 0 proven. 93 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-04-11 13:44:15,773 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-11 13:44:15,773 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [37] total 37 [2018-04-11 13:44:15,773 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 13:44:15,773 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 13:44:15,773 INFO L182 omatonBuilderFactory]: Interpolants [83457#(and (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) 1) (not (= main_~a~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= (select |#valid| main_~a~0.base) 1) (= 0 main_~a~0.offset) (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~p~0.offset 0) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (= (select |#valid| main_~p~0.base) 1)), 83456#(and (= (select |#valid| main_~a~0.base) 1) (= 0 main_~a~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~p~0.offset 0) (not (= main_~p~0.base main_~t~0.base)) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (not (= main_~p~0.base main_~a~0.base)) (not (= main_~a~0.base main_~t~0.base)) (= (select |#valid| main_~t~0.base) 1)), 83459#(and (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= main_~p~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (= (select |#valid| main_~a~0.base) 1) (= 0 main_~a~0.offset) (= main_~p~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) 1) (= (select |#valid| main_~p~0.base) 1) (not (= main_~p~0.base main_~a~0.base))), 83458#(and (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4)) |main_#t~mem5.base|) (not (= main_~a~0.base |main_#t~mem5.base|)) (= (select |#valid| main_~a~0.base) 1) (= 0 main_~a~0.offset) (not (= (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)) |main_#t~mem5.base|)) (= |main_#t~mem5.offset| (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) 1) (= (select |#valid| |main_#t~mem5.base|) 1)), 83461#(and (not (= main_~a~0.base |main_#t~malloc4.base|)) (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (not (= (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)) |main_#t~malloc4.base|)) (= 1 (select (select |#memory_int| main_~p~0.base) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4)))) (= 0 main_~a~0.offset) (= main_~p~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (not (= main_~p~0.base |main_#t~malloc4.base|)) (not (= main_~p~0.base main_~a~0.base))), 83460#(and (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= 1 (select (select |#memory_int| main_~p~0.base) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4)))) (= (select |#valid| main_~a~0.base) 1) (= 0 main_~a~0.offset) (= main_~p~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) 1) (= (select |#valid| main_~p~0.base) 1) (not (= main_~p~0.base main_~a~0.base))), 83463#(and (= 1 (select (select |#memory_int| main_~p~0.base) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4)))) (not (= main_~a~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (not (= (select |#valid| main_~p~0.base) 0)) (= 0 main_~a~0.offset) (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (not (= (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)) (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= main_~p~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4)))), 83462#(and (not (= (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)) main_~t~0.base)) (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= 1 (select (select |#memory_int| main_~p~0.base) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4)))) (= 0 main_~a~0.offset) (= main_~p~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (not (= main_~p~0.base main_~t~0.base)) (not (= main_~p~0.base main_~a~0.base)) (not (= main_~a~0.base main_~t~0.base))), 83465#(and (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= 0 main_~a~0.offset) (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (not (= (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) 0)) (= 1 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4)))) (not (= main_~p~0.base main_~a~0.base))), 83464#(and (not (= main_~a~0.base |main_#t~mem5.base|)) (= 0 main_~a~0.offset) (not (= (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)) |main_#t~mem5.base|)) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (not (= (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) 0)) (= 1 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4)))) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4)) |main_#t~mem5.base|))), 83467#(and (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= 0 main_~a~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4)) |main_#t~malloc4.base|)) (= 1 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4)))) (not (= main_~p~0.base main_~a~0.base))), 83466#(and (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= 0 main_~a~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (not (= (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) 0)) (= 1 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4)))) (not (= main_~p~0.base main_~a~0.base))), 83469#(and (= 0 main_~a~0.offset) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4)) (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= 1 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))))), 83468#(and (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= 0 main_~a~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4)) main_~t~0.base)) (= 1 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4)))) (not (= main_~p~0.base main_~a~0.base))), 83471#(and (= 0 main_~a~0.offset) (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= 1 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))))), 83470#(and (= 0 main_~a~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= 1 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4)))) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4)) |main_#t~mem5.base|))), 83473#(and (= main_~p~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4))) (= 1 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) (+ 0 4))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) (+ 0 4))))), 83472#(and (= 0 main_~a~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= 1 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))))), 83475#(or (<= (+ main_~p~0.offset 1) 0) (= 1 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4))))), 83474#(and (= 0 |main_#t~mem13.offset|) (= 1 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |main_#t~mem13.base|) (+ 0 4))) (select (select |#memory_$Pointer$.offset| |main_#t~mem13.base|) (+ 0 4))))), 83477#(= 1 (select (select |#memory_int| |main_#t~mem13.base|) |main_#t~mem13.offset|)), 83476#(= 1 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4)))), 83479#(and (= |main_#t~mem11| (select (select |#memory_int| main_~p~0.base) main_~p~0.offset)) (= 1 (select (select |#memory_int| main_~p~0.base) main_~p~0.offset))), 83478#(= 1 (select (select |#memory_int| main_~p~0.base) main_~p~0.offset)), 83443#true, 83445#(= 0 |main_#t~malloc0.offset|), 83444#false, 83447#(and (= 0 main_~a~0.offset) (= main_~p~0.offset 0) (= main_~p~0.base main_~a~0.base)), 83446#(= 0 main_~a~0.offset), 83449#(and (= (select |#valid| |main_#t~malloc4.base|) 1) (= 0 main_~a~0.offset) (= main_~p~0.offset 0) (not (= main_~p~0.base |main_#t~malloc4.base|)) (= main_~p~0.base main_~a~0.base) (= 0 |main_#t~malloc4.offset|)), 83448#(and (= 0 main_~a~0.offset) (= main_~p~0.offset 0) (= (select |#valid| main_~p~0.base) 1) (= main_~p~0.base main_~a~0.base)), 83451#(and (= 0 main_~a~0.offset) (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= main_~p~0.offset 0) (= (select |#valid| main_~p~0.base) (select |#valid| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4))) (= (select |#valid| main_~p~0.base) 1) (= main_~p~0.base main_~a~0.base)), 83450#(and (= 0 main_~a~0.offset) (= 0 main_~t~0.offset) (= main_~p~0.offset 0) (not (= main_~p~0.base main_~t~0.base)) (= main_~p~0.base main_~a~0.base) (= (select |#valid| main_~t~0.base) 1)), 83453#(and (or (and (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~p~0.offset 0) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (<= (+ main_~p~0.offset 1) 0)) (= (select |#valid| main_~a~0.base) 1) (= 0 main_~a~0.offset) (= (select |#valid| main_~p~0.base) 1) (not (= main_~p~0.base main_~a~0.base))), 83452#(and (not (= main_~a~0.base |main_#t~mem5.base|)) (= (select |#valid| main_~a~0.base) 1) (= 0 main_~a~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)) |main_#t~mem5.base|) (= (select |#valid| |main_#t~mem5.base|) 1) (= 0 |main_#t~mem5.offset|)), 83455#(and (= (select |#valid| |main_#t~malloc4.base|) 1) (not (= main_~a~0.base |main_#t~malloc4.base|)) (= (select |#valid| main_~a~0.base) 1) (= 0 main_~a~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~p~0.offset 0) (not (= main_~p~0.base |main_#t~malloc4.base|)) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (not (= main_~p~0.base main_~a~0.base))), 83454#(and (= (select |#valid| main_~a~0.base) 1) (= 0 main_~a~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~p~0.offset 0) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (= (select |#valid| main_~p~0.base) 1) (not (= main_~p~0.base main_~a~0.base)))] [2018-04-11 13:44:15,773 INFO L134 CoverageAnalysis]: Checked inductivity of 95 backedges. 0 proven. 93 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-04-11 13:44:15,773 INFO L442 AbstractCegarLoop]: Interpolant automaton has 37 states [2018-04-11 13:44:15,773 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2018-04-11 13:44:15,774 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=126, Invalid=1206, Unknown=0, NotChecked=0, Total=1332 [2018-04-11 13:44:15,774 INFO L87 Difference]: Start difference. First operand 519 states and 583 transitions. Second operand 37 states. [2018-04-11 13:44:18,191 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 13:44:18,192 INFO L93 Difference]: Finished difference Result 606 states and 673 transitions. [2018-04-11 13:44:18,192 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2018-04-11 13:44:18,192 INFO L78 Accepts]: Start accepts. Automaton has 37 states. Word has length 84 [2018-04-11 13:44:18,192 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 13:44:18,192 INFO L225 Difference]: With dead ends: 606 [2018-04-11 13:44:18,192 INFO L226 Difference]: Without dead ends: 606 [2018-04-11 13:44:18,193 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 71 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1148 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=601, Invalid=4655, Unknown=0, NotChecked=0, Total=5256 [2018-04-11 13:44:18,193 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 606 states. [2018-04-11 13:44:18,194 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 606 to 501. [2018-04-11 13:44:18,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 501 states. [2018-04-11 13:44:18,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 501 states to 501 states and 564 transitions. [2018-04-11 13:44:18,195 INFO L78 Accepts]: Start accepts. Automaton has 501 states and 564 transitions. Word has length 84 [2018-04-11 13:44:18,195 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 13:44:18,195 INFO L459 AbstractCegarLoop]: Abstraction has 501 states and 564 transitions. [2018-04-11 13:44:18,195 INFO L460 AbstractCegarLoop]: Interpolant automaton has 37 states. [2018-04-11 13:44:18,195 INFO L276 IsEmpty]: Start isEmpty. Operand 501 states and 564 transitions. [2018-04-11 13:44:18,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2018-04-11 13:44:18,195 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 13:44:18,195 INFO L355 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 13:44:18,196 INFO L408 AbstractCegarLoop]: === Iteration 106 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr29AssertViolationMEMORY_FREE, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr30AssertViolationMEMORY_FREE, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr32EnsuresViolationMEMORY_LEAK, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr31AssertViolationMEMORY_FREE, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr28AssertViolationMEMORY_FREE, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation]=== [2018-04-11 13:44:18,196 INFO L82 PathProgramCache]: Analyzing trace with hash 531639995, now seen corresponding path program 3 times [2018-04-11 13:44:18,196 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 13:44:18,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 13:44:18,201 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 13:44:18,230 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2018-04-11 13:44:18,230 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-11 13:44:18,230 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2018-04-11 13:44:18,230 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 13:44:18,230 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 13:44:18,230 INFO L182 omatonBuilderFactory]: Interpolants [84659#true, 84661#(and (= main_~y~0 0) (= main_~i~0 0)), 84660#false, 84663#(and (<= main_~y~0 2) (= main_~i~0 0)), 84662#(and (<= main_~y~0 1) (= main_~i~0 0)), 84664#(and (<= main_~y~0 3) (= main_~i~0 0))] [2018-04-11 13:44:18,231 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2018-04-11 13:44:18,231 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-04-11 13:44:18,231 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-04-11 13:44:18,231 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2018-04-11 13:44:18,231 INFO L87 Difference]: Start difference. First operand 501 states and 564 transitions. Second operand 6 states. [2018-04-11 13:44:18,247 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 13:44:18,247 INFO L93 Difference]: Finished difference Result 551 states and 615 transitions. [2018-04-11 13:44:18,248 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-04-11 13:44:18,248 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 85 [2018-04-11 13:44:18,248 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 13:44:18,248 INFO L225 Difference]: With dead ends: 551 [2018-04-11 13:44:18,248 INFO L226 Difference]: Without dead ends: 526 [2018-04-11 13:44:18,248 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2018-04-11 13:44:18,249 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 526 states. [2018-04-11 13:44:18,250 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 526 to 513. [2018-04-11 13:44:18,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 513 states. [2018-04-11 13:44:18,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 513 states to 513 states and 579 transitions. [2018-04-11 13:44:18,251 INFO L78 Accepts]: Start accepts. Automaton has 513 states and 579 transitions. Word has length 85 [2018-04-11 13:44:18,251 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 13:44:18,251 INFO L459 AbstractCegarLoop]: Abstraction has 513 states and 579 transitions. [2018-04-11 13:44:18,251 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-04-11 13:44:18,251 INFO L276 IsEmpty]: Start isEmpty. Operand 513 states and 579 transitions. [2018-04-11 13:44:18,251 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2018-04-11 13:44:18,251 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 13:44:18,251 INFO L355 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 13:44:18,251 INFO L408 AbstractCegarLoop]: === Iteration 107 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr29AssertViolationMEMORY_FREE, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr30AssertViolationMEMORY_FREE, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr32EnsuresViolationMEMORY_LEAK, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr31AssertViolationMEMORY_FREE, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr28AssertViolationMEMORY_FREE, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation]=== [2018-04-11 13:44:18,252 INFO L82 PathProgramCache]: Analyzing trace with hash 1980419304, now seen corresponding path program 2 times [2018-04-11 13:44:18,252 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 13:44:18,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 13:44:18,257 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 13:44:18,277 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-04-11 13:44:18,278 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-11 13:44:18,278 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2018-04-11 13:44:18,278 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 13:44:18,278 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 13:44:18,279 INFO L182 omatonBuilderFactory]: Interpolants [85729#true, 85731#(and (= main_~y~0 0) (= main_~i~0 0)), 85730#false, 85733#(<= (+ main_~i~0 main_~y~0) 2), 85732#(and (= main_~y~0 0) (<= main_~i~0 1)), 85734#(<= (+ main_~i~0 main_~y~0) 3)] [2018-04-11 13:44:18,279 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-04-11 13:44:18,279 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-04-11 13:44:18,279 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-04-11 13:44:18,279 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2018-04-11 13:44:18,279 INFO L87 Difference]: Start difference. First operand 513 states and 579 transitions. Second operand 6 states. [2018-04-11 13:44:18,301 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 13:44:18,301 INFO L93 Difference]: Finished difference Result 546 states and 611 transitions. [2018-04-11 13:44:18,301 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-04-11 13:44:18,301 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 85 [2018-04-11 13:44:18,301 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 13:44:18,302 INFO L225 Difference]: With dead ends: 546 [2018-04-11 13:44:18,302 INFO L226 Difference]: Without dead ends: 486 [2018-04-11 13:44:18,302 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2018-04-11 13:44:18,302 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 486 states. [2018-04-11 13:44:18,303 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 486 to 444. [2018-04-11 13:44:18,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 444 states. [2018-04-11 13:44:18,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 444 states to 444 states and 511 transitions. [2018-04-11 13:44:18,304 INFO L78 Accepts]: Start accepts. Automaton has 444 states and 511 transitions. Word has length 85 [2018-04-11 13:44:18,304 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 13:44:18,304 INFO L459 AbstractCegarLoop]: Abstraction has 444 states and 511 transitions. [2018-04-11 13:44:18,304 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-04-11 13:44:18,304 INFO L276 IsEmpty]: Start isEmpty. Operand 444 states and 511 transitions. [2018-04-11 13:44:18,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2018-04-11 13:44:18,304 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 13:44:18,304 INFO L355 BasicCegarLoop]: trace histogram [5, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 13:44:18,304 INFO L408 AbstractCegarLoop]: === Iteration 108 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr29AssertViolationMEMORY_FREE, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr30AssertViolationMEMORY_FREE, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr32EnsuresViolationMEMORY_LEAK, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr31AssertViolationMEMORY_FREE, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr28AssertViolationMEMORY_FREE, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation]=== [2018-04-11 13:44:18,305 INFO L82 PathProgramCache]: Analyzing trace with hash 1841409808, now seen corresponding path program 15 times [2018-04-11 13:44:18,305 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 13:44:18,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 13:44:18,315 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 13:44:19,419 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 14 proven. 73 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:44:19,419 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-11 13:44:19,419 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [40] total 40 [2018-04-11 13:44:19,420 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 13:44:19,420 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 13:44:19,420 INFO L182 omatonBuilderFactory]: Interpolants [86725#true, 86727#(= 0 |main_#t~malloc0.offset|), 86726#false, 86729#(and (= 0 main_~a~0.offset) (= main_~p~0.offset 0) (= main_~p~0.base main_~a~0.base)), 86728#(= 0 main_~a~0.offset), 86731#(and (= (select |#valid| |main_#t~malloc4.base|) 1) (= 0 main_~a~0.offset) (= main_~p~0.offset 0) (not (= main_~p~0.base |main_#t~malloc4.base|)) (= main_~p~0.base main_~a~0.base) (= 0 |main_#t~malloc4.offset|)), 86730#(and (= 0 main_~a~0.offset) (= main_~p~0.offset 0) (= (select |#valid| main_~p~0.base) 1) (= main_~p~0.base main_~a~0.base)), 86733#(and (= 0 main_~a~0.offset) (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= main_~p~0.offset 0) (= (select |#valid| main_~p~0.base) (select |#valid| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4))) (= (select |#valid| main_~p~0.base) 1) (= main_~p~0.base main_~a~0.base)), 86732#(and (= 0 main_~a~0.offset) (= 0 main_~t~0.offset) (= main_~p~0.offset 0) (not (= main_~p~0.base main_~t~0.base)) (= main_~p~0.base main_~a~0.base) (= (select |#valid| main_~t~0.base) 1)), 86735#(or (<= (+ main_~p~0.offset 1) 0) (and (= (select |#valid| main_~a~0.base) 1) (= 0 main_~a~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= 0 main_~p~0.offset) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (= (select |#valid| main_~p~0.base) 1) (not (= main_~p~0.base main_~a~0.base)))), 86734#(and (not (= main_~a~0.base |main_#t~mem5.base|)) (= (select |#valid| main_~a~0.base) 1) (= 0 main_~a~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)) |main_#t~mem5.base|) (= (select |#valid| |main_#t~mem5.base|) 1) (= 0 |main_#t~mem5.offset|)), 86737#(and (= (select |#valid| |main_#t~malloc4.base|) 1) (not (= main_~a~0.base |main_#t~malloc4.base|)) (= (select |#valid| main_~a~0.base) 1) (= 0 main_~a~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (not (= main_~p~0.base |main_#t~malloc4.base|)) (= 0 main_~p~0.offset) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (not (= main_~p~0.base main_~a~0.base)) (= 0 |main_#t~malloc4.offset|)), 86736#(and (= (select |#valid| main_~a~0.base) 1) (= 0 main_~a~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= 0 main_~p~0.offset) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (= (select |#valid| main_~p~0.base) 1) (not (= main_~p~0.base main_~a~0.base))), 86739#(and (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) 1) (not (= main_~a~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= (select |#valid| main_~a~0.base) 1) (= 0 main_~a~0.offset) (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~p~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4))) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (= (select |#valid| main_~p~0.base) 1)), 86738#(and (= (select |#valid| main_~a~0.base) 1) (= 0 main_~a~0.offset) (= 0 main_~t~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (not (= main_~p~0.base main_~t~0.base)) (= 0 main_~p~0.offset) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (not (= main_~p~0.base main_~a~0.base)) (not (= main_~a~0.base main_~t~0.base)) (= (select |#valid| main_~t~0.base) 1)), 86741#(and (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= (select |#valid| main_~a~0.base) 1) (= 0 main_~a~0.offset) (or (and (= main_~p~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (= main_~p~0.offset 0)) (<= (+ main_~p~0.offset 1) 0)) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) 1) (= (select |#valid| main_~p~0.base) 1) (not (= main_~p~0.base main_~a~0.base))), 86740#(and (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4)) |main_#t~mem5.base|) (not (= main_~a~0.base |main_#t~mem5.base|)) (= (select |#valid| main_~a~0.base) 1) (= 0 main_~a~0.offset) (not (= (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)) |main_#t~mem5.base|)) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) 1) (= (select |#valid| |main_#t~mem5.base|) 1) (= 0 |main_#t~mem5.offset|)), 86743#(and (not (= (select |#valid| |main_#t~malloc4.base|) 0)) (not (= main_~a~0.base |main_#t~malloc4.base|)) (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (not (= (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)) |main_#t~malloc4.base|)) (= 0 main_~a~0.offset) (= main_~p~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (= main_~p~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (not (= main_~p~0.base |main_#t~malloc4.base|)) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (not (= main_~p~0.base main_~a~0.base)) (= 0 |main_#t~malloc4.offset|)), 86742#(and (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= (select |#valid| main_~a~0.base) 1) (= 0 main_~a~0.offset) (= main_~p~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (= main_~p~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) 1) (= (select |#valid| main_~p~0.base) 1) (not (= main_~p~0.base main_~a~0.base))), 86745#(and (not (= main_~a~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= 0 main_~a~0.offset) (= main_~p~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (not (= (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)) (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= main_~p~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4))) (not (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) 0))), 86744#(and (not (= (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)) main_~t~0.base)) (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= 0 main_~a~0.offset) (= main_~p~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (= 0 main_~t~0.offset) (= main_~p~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (not (= main_~p~0.base main_~t~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (not (= (select |#valid| main_~t~0.base) 0)) (not (= main_~p~0.base main_~a~0.base)) (not (= main_~a~0.base main_~t~0.base))), 86747#(and (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (not (= (select |#valid| main_~p~0.base) 0)) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (+ 0 4))) (= 0 main_~a~0.offset) (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~p~0.offset 0) (= main_~p~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (+ 0 4))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (not (= main_~p~0.base main_~a~0.base))), 86746#(and (not (= main_~a~0.base |main_#t~mem5.base|)) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (+ 0 4))) (= 0 main_~a~0.offset) (not (= (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)) |main_#t~mem5.base|)) (not (= (select |#valid| |main_#t~mem5.base|) 0)) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (+ 0 4)) |main_#t~mem5.base|) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4)) |main_#t~mem5.base|)) (= 0 |main_#t~mem5.offset|)), 86749#(and (not (= main_~p~0.base |main_#t~malloc9.base|)) (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (+ 0 4))) (= 0 main_~a~0.offset) (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~p~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (+ 0 4))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (not (= main_~p~0.base main_~a~0.base)) (= (select (select |#memory_int| main_~p~0.base) 0) 2)), 86748#(and (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (not (= (select |#valid| main_~p~0.base) 0)) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (+ 0 4))) (= 0 main_~a~0.offset) (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~p~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (+ 0 4))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (not (= main_~p~0.base main_~a~0.base)) (= (select (select |#memory_int| main_~p~0.base) 0) 2)), 86751#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (+ 0 4))) (= 0 main_~a~0.offset) (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~p~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (+ 0 4))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (= (select (select |#memory_int| main_~p~0.base) 0) 2)), 86750#(and (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (+ 0 4))) (= 0 main_~a~0.offset) (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~p~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (+ 0 4))) (not (= main_~p~0.base main_~t~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (not (= main_~p~0.base main_~a~0.base)) (= (select (select |#memory_int| main_~p~0.base) 0) 2)), 86753#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (+ 0 4))) (= 0 main_~a~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (+ 0 4)))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (+ 0 4))) 0) 2)), 86752#(and (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (+ 0 4)) |main_#t~mem10.base|)) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (+ 0 4))) (= 0 main_~a~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (+ 0 4))) 0) 2)), 86755#(and (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) (+ 0 4))) (+ 0 4))) 0) 2) (= main_~p~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) (+ 0 4))) (+ 0 4))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) (+ 0 4)))), 86754#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (+ 0 4))) (= 0 main_~a~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (+ 0 4))) 0) 2)), 86757#(or (<= (+ main_~p~0.offset 1) 0) (and (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4))) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) (+ 0 4))) 0) 2) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) (+ 0 4))))), 86756#(and (= 0 |main_#t~mem13.offset|) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_#t~mem13.base|) (+ 0 4))) (+ 0 4))) 0) 2) (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem13.base|) (+ 0 4))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |main_#t~mem13.base|) (+ 0 4))) (+ 0 4)))), 86759#(and (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |main_#t~mem13.base|) (+ 0 4))) 0) 2) (= 0 |main_#t~mem13.offset|) (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem13.base|) (+ 0 4)))), 86758#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4))) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) (+ 0 4))) 0) 2) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) (+ 0 4)))), 86761#(and (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) 0) 2) (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4)))), 86760#(or (<= (+ main_~p~0.offset 1) 0) (and (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) 0) 2) (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4))))), 86763#(and (= main_~p~0.offset 0) (= (select (select |#memory_int| main_~p~0.base) main_~p~0.offset) 2)), 86762#(and (= (select (select |#memory_int| |main_#t~mem13.base|) 0) 2) (= 0 |main_#t~mem13.offset|)), 86764#(and (= |main_#t~mem11| 2) (= main_~p~0.offset 0))] [2018-04-11 13:44:19,420 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 14 proven. 73 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:44:19,420 INFO L442 AbstractCegarLoop]: Interpolant automaton has 40 states [2018-04-11 13:44:19,420 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 40 interpolants. [2018-04-11 13:44:19,420 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=119, Invalid=1441, Unknown=0, NotChecked=0, Total=1560 [2018-04-11 13:44:19,421 INFO L87 Difference]: Start difference. First operand 444 states and 511 transitions. Second operand 40 states. [2018-04-11 13:44:22,432 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 13:44:22,432 INFO L93 Difference]: Finished difference Result 529 states and 596 transitions. [2018-04-11 13:44:22,432 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2018-04-11 13:44:22,433 INFO L78 Accepts]: Start accepts. Automaton has 40 states. Word has length 86 [2018-04-11 13:44:22,433 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 13:44:22,433 INFO L225 Difference]: With dead ends: 529 [2018-04-11 13:44:22,433 INFO L226 Difference]: Without dead ends: 529 [2018-04-11 13:44:22,433 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 75 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1250 ImplicationChecksByTransitivity, 2.3s TimeCoverageRelationStatistics Valid=523, Invalid=5329, Unknown=0, NotChecked=0, Total=5852 [2018-04-11 13:44:22,434 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 529 states. [2018-04-11 13:44:22,435 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 529 to 464. [2018-04-11 13:44:22,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 464 states. [2018-04-11 13:44:22,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 464 states to 464 states and 531 transitions. [2018-04-11 13:44:22,436 INFO L78 Accepts]: Start accepts. Automaton has 464 states and 531 transitions. Word has length 86 [2018-04-11 13:44:22,436 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 13:44:22,436 INFO L459 AbstractCegarLoop]: Abstraction has 464 states and 531 transitions. [2018-04-11 13:44:22,436 INFO L460 AbstractCegarLoop]: Interpolant automaton has 40 states. [2018-04-11 13:44:22,436 INFO L276 IsEmpty]: Start isEmpty. Operand 464 states and 531 transitions. [2018-04-11 13:44:22,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2018-04-11 13:44:22,436 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 13:44:22,436 INFO L355 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 13:44:22,436 INFO L408 AbstractCegarLoop]: === Iteration 109 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr29AssertViolationMEMORY_FREE, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr30AssertViolationMEMORY_FREE, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr32EnsuresViolationMEMORY_LEAK, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr31AssertViolationMEMORY_FREE, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr28AssertViolationMEMORY_FREE, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation]=== [2018-04-11 13:44:22,436 INFO L82 PathProgramCache]: Analyzing trace with hash 682196986, now seen corresponding path program 8 times [2018-04-11 13:44:22,437 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 13:44:22,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 13:44:22,448 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 13:44:23,868 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 0 proven. 120 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:44:23,868 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-11 13:44:23,868 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [39] total 39 [2018-04-11 13:44:23,869 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 13:44:23,869 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 13:44:23,869 INFO L182 omatonBuilderFactory]: Interpolants [87833#false, 87832#true, 87835#(= 0 main_~a~0.offset), 87834#(= 0 |main_#t~malloc0.offset|), 87837#(and (= 0 main_~a~0.offset) (= main_~p~0.offset 0) (= (select |#valid| main_~p~0.base) 1) (= main_~p~0.base main_~a~0.base)), 87836#(and (= 0 main_~a~0.offset) (= main_~p~0.offset 0) (= main_~p~0.base main_~a~0.base)), 87839#(and (= 0 main_~a~0.offset) (= 0 main_~t~0.offset) (= main_~p~0.offset 0) (not (= main_~p~0.base main_~t~0.base)) (= main_~p~0.base main_~a~0.base) (= (select |#valid| main_~t~0.base) 1)), 87838#(and (= (select |#valid| |main_#t~malloc4.base|) 1) (= 0 main_~a~0.offset) (= main_~p~0.offset 0) (not (= main_~p~0.base |main_#t~malloc4.base|)) (= main_~p~0.base main_~a~0.base) (= 0 |main_#t~malloc4.offset|)), 87841#(and (not (= main_~a~0.base |main_#t~mem5.base|)) (= (select |#valid| main_~a~0.base) 1) (= 0 main_~a~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)) |main_#t~mem5.base|) (= (select |#valid| |main_#t~mem5.base|) 1) (= 0 |main_#t~mem5.offset|)), 87840#(and (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) 1) (= 0 main_~a~0.offset) (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= main_~p~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4))) (= (select |#valid| main_~p~0.base) 1) (= main_~p~0.base main_~a~0.base)), 87843#(and (= (select |#valid| main_~a~0.base) 1) (= 0 main_~a~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= 0 main_~p~0.offset) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (= (select |#valid| main_~p~0.base) 1) (not (= main_~p~0.base main_~a~0.base))), 87842#(or (<= (+ main_~p~0.offset 1) 0) (and (= (select |#valid| main_~a~0.base) 1) (= 0 main_~a~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= 0 main_~p~0.offset) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (= (select |#valid| main_~p~0.base) 1) (not (= main_~p~0.base main_~a~0.base)))), 87845#(and (= 8 (select |#length| main_~t~0.base)) (= (select |#valid| main_~a~0.base) 1) (= 0 main_~a~0.offset) (= 0 main_~t~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (not (= main_~p~0.base main_~t~0.base)) (= 0 main_~p~0.offset) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (not (= main_~p~0.base main_~a~0.base)) (not (= main_~a~0.base main_~t~0.base)) (= (select |#valid| main_~t~0.base) 1)), 87844#(and (= (select |#valid| |main_#t~malloc4.base|) 1) (not (= main_~a~0.base |main_#t~malloc4.base|)) (= (select |#valid| main_~a~0.base) 1) (= 0 main_~a~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (not (= main_~p~0.base |main_#t~malloc4.base|)) (= 0 main_~p~0.offset) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (not (= main_~p~0.base main_~a~0.base)) (= 0 |main_#t~malloc4.offset|) (= 8 (select |#length| |main_#t~malloc4.base|))), 87847#(and (not (= main_~a~0.base |main_#t~mem5.base|)) (= (select |#valid| main_~a~0.base) 1) (= 0 main_~a~0.offset) (not (= (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)) |main_#t~mem5.base|)) (= 8 (select |#length| |main_#t~mem5.base|)) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= |main_#t~mem5.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) 1) (= (select |#valid| |main_#t~mem5.base|) 1) (= 0 |main_#t~mem5.offset|)), 87846#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) 1) (not (= main_~a~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= (select |#valid| main_~a~0.base) 1) (= 0 main_~a~0.offset) (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~p~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4))) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (= (select |#valid| main_~p~0.base) 1)), 87849#(and (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= (select |#valid| main_~a~0.base) 1) (= 0 main_~a~0.offset) (= main_~p~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~p~0.offset 0) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) 1) (= (select |#valid| main_~p~0.base) 1) (not (= main_~p~0.base main_~a~0.base)) (= 8 (select |#length| main_~p~0.base))), 87848#(and (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= (select |#valid| main_~a~0.base) 1) (= 0 main_~a~0.offset) (= main_~p~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (or (<= (+ main_~p~0.offset 1) 0) (and (= main_~p~0.offset 0) (= (select |#valid| main_~p~0.base) 1))) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) 1) (not (= main_~p~0.base main_~a~0.base)) (= 8 (select |#length| main_~p~0.base))), 87851#(and (not (= (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)) main_~t~0.base)) (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= 0 main_~a~0.offset) (= main_~p~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (= 0 main_~t~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~p~0.offset 0) (not (= main_~p~0.base main_~t~0.base)) (not (= main_~p~0.base main_~a~0.base)) (= 8 (select |#length| main_~p~0.base)) (not (= main_~a~0.base main_~t~0.base))), 87850#(and (not (= main_~a~0.base |main_#t~malloc4.base|)) (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (not (= (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)) |main_#t~malloc4.base|)) (= 0 main_~a~0.offset) (= main_~p~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~p~0.offset 0) (not (= main_~p~0.base |main_#t~malloc4.base|)) (not (= main_~p~0.base main_~a~0.base)) (= 8 (select |#length| main_~p~0.base)) (= 0 |main_#t~malloc4.offset|)), 87853#(and (not (= main_~a~0.base |main_#t~mem5.base|)) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (+ 0 4))) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4)))) (= 0 main_~a~0.offset) (not (= (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)) |main_#t~mem5.base|)) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= |main_#t~mem5.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (+ 0 4))) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4)) |main_#t~mem5.base|)) (= 0 |main_#t~mem5.offset|)), 87852#(and (not (= main_~a~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= 0 main_~a~0.offset) (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (not (= (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)) (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= main_~p~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (= main_~p~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4))) (= 8 (select |#length| main_~p~0.base))), 87855#(and (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (+ 0 4))) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4)))) (= 0 main_~a~0.offset) (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~p~0.offset 0) (= main_~p~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (+ 0 4))) (not (= main_~p~0.base main_~a~0.base))), 87854#(and (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4)))) (= 0 main_~a~0.offset) (or (and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (+ 0 4))) (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4)))) (= main_~p~0.offset 0) (= main_~p~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (+ 0 4)))) (<= (+ main_~p~0.offset 1) 0)) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (not (= main_~p~0.base main_~a~0.base))), 87857#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (+ 0 4))) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4)))) (= 0 main_~a~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= |main_#t~mem5.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (+ 0 4))) (+ 0 4)))), 87856#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (+ 0 4))) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4)))) (= 0 main_~a~0.offset) (= main_~p~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~p~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (+ 0 4)))), 87859#(and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (+ 0 4))) (+ 0 4)))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (+ 0 4))) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4)))) (= 0 main_~a~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4)))), 87858#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (+ 0 4))) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4)))) (= 0 main_~a~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~p~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (+ 0 4))) (+ 0 4)))), 87861#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| |main_#t~mem13.base|) (+ 0 4)))) (= 0 |main_#t~mem13.offset|) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_#t~mem13.base|) (+ 0 4))) (+ 0 4))) (+ 0 4)))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |main_#t~mem13.base|) (+ 0 4))) (+ 0 4)))), 87860#(and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) (+ 0 4))) (+ 0 4))) (+ 0 4)))) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) (+ 0 4)))) (= main_~p~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) (+ 0 4))) (+ 0 4)))), 87863#(and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) (+ 0 4))) (+ 0 4)))) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= main_~p~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) (+ 0 4)))), 87862#(or (and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) (+ 0 4))) (+ 0 4)))) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= main_~p~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) (+ 0 4)))) (<= (+ main_~p~0.offset 1) 0)), 87865#(or (and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) (+ 0 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4)))) (and (or (<= (+ main_~p~0.offset 1) 0) (<= 1 main_~p~0.offset)) (= 8 (select |#length| main_~p~0.base)))), 87864#(and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_#t~mem13.base|) (+ 0 4))) (+ 0 4)))) (= 8 (select |#length| |main_#t~mem13.base|)) (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem13.base|) (+ 0 4)))), 87867#(and (= 0 |main_#t~mem13.offset|) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| |main_#t~mem13.base|) (+ 0 4))))), 87866#(or (and (= (select |#length| main_~p~0.base) 8) (<= 1 main_~p~0.offset)) (and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) (+ 0 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4))))), 87869#(and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= main_~p~0.offset 0)), 87868#(or (<= (+ main_~p~0.offset 1) 0) (and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= main_~p~0.offset 0))), 87871#(= 1 (select |#valid| main_~p~0.base)), 87870#(= 1 (select |#valid| |main_#t~mem13.base|))] [2018-04-11 13:44:23,869 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 0 proven. 120 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:44:23,869 INFO L442 AbstractCegarLoop]: Interpolant automaton has 40 states [2018-04-11 13:44:23,869 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 40 interpolants. [2018-04-11 13:44:23,870 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=123, Invalid=1437, Unknown=0, NotChecked=0, Total=1560 [2018-04-11 13:44:23,870 INFO L87 Difference]: Start difference. First operand 464 states and 531 transitions. Second operand 40 states. [2018-04-11 13:44:25,054 WARN L151 SmtUtils]: Spent 101ms on a formula simplification. DAG size of input: 85 DAG size of output 70 [2018-04-11 13:44:27,008 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 13:44:27,008 INFO L93 Difference]: Finished difference Result 534 states and 602 transitions. [2018-04-11 13:44:27,009 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2018-04-11 13:44:27,009 INFO L78 Accepts]: Start accepts. Automaton has 40 states. Word has length 86 [2018-04-11 13:44:27,009 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 13:44:27,009 INFO L225 Difference]: With dead ends: 534 [2018-04-11 13:44:27,009 INFO L226 Difference]: Without dead ends: 534 [2018-04-11 13:44:27,010 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 75 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1356 ImplicationChecksByTransitivity, 2.4s TimeCoverageRelationStatistics Valid=566, Invalid=5286, Unknown=0, NotChecked=0, Total=5852 [2018-04-11 13:44:27,010 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 534 states. [2018-04-11 13:44:27,011 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 534 to 467. [2018-04-11 13:44:27,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 467 states. [2018-04-11 13:44:27,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 467 states to 467 states and 535 transitions. [2018-04-11 13:44:27,012 INFO L78 Accepts]: Start accepts. Automaton has 467 states and 535 transitions. Word has length 86 [2018-04-11 13:44:27,012 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 13:44:27,012 INFO L459 AbstractCegarLoop]: Abstraction has 467 states and 535 transitions. [2018-04-11 13:44:27,012 INFO L460 AbstractCegarLoop]: Interpolant automaton has 40 states. [2018-04-11 13:44:27,012 INFO L276 IsEmpty]: Start isEmpty. Operand 467 states and 535 transitions. [2018-04-11 13:44:27,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2018-04-11 13:44:27,012 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 13:44:27,013 INFO L355 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 13:44:27,013 INFO L408 AbstractCegarLoop]: === Iteration 110 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr29AssertViolationMEMORY_FREE, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr30AssertViolationMEMORY_FREE, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr32EnsuresViolationMEMORY_LEAK, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr31AssertViolationMEMORY_FREE, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr28AssertViolationMEMORY_FREE, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation]=== [2018-04-11 13:44:27,013 INFO L82 PathProgramCache]: Analyzing trace with hash 682196987, now seen corresponding path program 4 times [2018-04-11 13:44:27,013 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 13:44:27,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 13:44:27,027 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 13:44:28,916 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 0 proven. 120 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:44:28,916 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-11 13:44:28,916 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [42] total 42 [2018-04-11 13:44:28,916 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 13:44:28,916 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 13:44:28,917 INFO L182 omatonBuilderFactory]: Interpolants [88961#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) 1) (not (= main_~a~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= 0 main_~a~0.offset) (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~p~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4))) (= 1 (select |#valid| main_~p~0.base)) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))), 88960#(and (= 8 (select |#length| main_~t~0.base)) (= 0 main_~a~0.offset) (= 0 main_~t~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (not (= main_~p~0.base main_~t~0.base)) (= 0 main_~p~0.offset) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (not (= main_~p~0.base main_~a~0.base)) (not (= main_~a~0.base main_~t~0.base)) (= (select |#valid| main_~t~0.base) 1)), 88963#(and (= 0 main_~a~0.offset) (or (<= (+ main_~p~0.offset 1) 0) (and (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= main_~p~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~p~0.offset 0) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= (select |#valid| main_~p~0.base) 1) (not (= main_~p~0.base main_~a~0.base)))) (= 8 (select |#length| main_~p~0.base))), 88962#(and (not (= main_~a~0.base |main_#t~mem5.base|)) (= 0 main_~a~0.offset) (not (= (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)) |main_#t~mem5.base|)) (= 8 (select |#length| |main_#t~mem5.base|)) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= |main_#t~mem5.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (= (select |#valid| |main_#t~mem5.base|) 1) (= 0 |main_#t~mem5.offset|)), 88965#(and (= (+ main_~p~0.offset 8) (select |#length| main_~p~0.base)) (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (not (= (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)) |main_#t~malloc4.base|)) (= 0 main_~a~0.offset) (= main_~p~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (not (= main_~p~0.base |main_#t~malloc4.base|)) (not (= main_~p~0.base main_~a~0.base)) (= 8 (select |#length| main_~p~0.base)) (= 0 |main_#t~malloc4.offset|) (= 8 (select |#length| |main_#t~malloc4.base|))), 88964#(and (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= 0 main_~a~0.offset) (= main_~p~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~p~0.offset 0) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= (select |#valid| main_~p~0.base) 1) (= 8 (select |#length| main_~p~0.base)) (not (= main_~p~0.base main_~a~0.base))), 88967#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= (select |#length| main_~p~0.base) 8) (= (+ main_~p~0.offset 8) (select |#length| main_~p~0.base)) (= 0 main_~a~0.offset) (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (not (= (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)) (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= main_~p~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4)))), 88966#(and (= 8 (select |#length| main_~t~0.base)) (not (= (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)) main_~t~0.base)) (= (+ main_~p~0.offset 8) (select |#length| main_~p~0.base)) (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= 0 main_~a~0.offset) (= main_~p~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (= 0 main_~t~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (not (= main_~p~0.base main_~t~0.base)) (not (= main_~p~0.base main_~a~0.base)) (= 8 (select |#length| main_~p~0.base))), 88969#(and (= 0 main_~a~0.offset) (or (and (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= main_~p~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (+ (+ 8 (- 8)) 4))) (<= (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) 8) (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~p~0.offset 0) (= 8 (select |#length| main_~p~0.base))) (<= (+ main_~p~0.offset 1) 0) (and (= 0 main_~p~0.offset) (= main_~p~0.base main_~a~0.base)))), 88968#(and (= |main_#t~mem5.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (+ (+ 8 (- 8)) 4))) (= 0 main_~a~0.offset) (not (= (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)) |main_#t~mem5.base|)) (<= (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) 8) (= 8 (select |#length| |main_#t~mem5.base|)) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4)) |main_#t~mem5.base|)) (= 0 |main_#t~mem5.offset|)), 88971#(and (= 0 main_~a~0.offset) (or (and (= 0 main_~p~0.offset) (= main_~p~0.base main_~a~0.base)) (and (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (<= (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) 8) (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (not (= main_~p~0.base main_~a~0.base)) (or (and (= main_~p~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (+ (+ (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (- 8)) 4))) (= main_~p~0.offset 0) (= 8 (select |#length| main_~p~0.base)) (= 0 |main_#t~malloc4.offset|) (= 8 (select |#length| |main_#t~malloc4.base|))) (<= (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) 7))))), 88970#(and (or (and (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= main_~p~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (+ (+ 8 (- 8)) 4))) (<= (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) 8) (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~p~0.offset 0) (= 8 (select |#length| main_~p~0.base))) (and (= 0 main_~p~0.offset) (= main_~p~0.base main_~a~0.base))) (= 0 main_~a~0.offset)), 88973#(and (= 0 main_~a~0.offset) (or (and (= main_~p~0.offset 0) (= main_~p~0.base main_~a~0.base)) (and (or (<= (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) 7) (and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (+ (+ (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (- 8)) 4))) (+ 0 4)))) (= main_~p~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (+ (+ (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (- 8)) 4))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (+ (+ (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (- 8)) 4))) (+ 0 4))) (= 8 (select |#length| main_~p~0.base)))) (<= (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) 8) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4)))))), 88972#(and (= 0 main_~a~0.offset) (or (and (= 0 main_~p~0.offset) (= main_~p~0.base main_~a~0.base)) (and (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (<= (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) 8) (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4)))) (or (and (= 8 (select |#length| main_~t~0.base)) (= main_~p~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (+ (+ (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (- 8)) 4))) (= 0 main_~t~0.offset) (= main_~p~0.offset 0) (= 8 (select |#length| main_~p~0.base))) (<= (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) 7)) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (not (= main_~p~0.base main_~a~0.base))))), 88975#(and (or (and (= main_~p~0.offset (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (and (or (and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (+ (+ (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (- 8)) 4))) (+ 0 4)))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (+ (+ (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (- 8)) 4))) (+ 0 4))) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (+ (+ (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (- 8)) 4))))) (<= (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) 7)) (<= (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) 8) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))))) (= 0 main_~a~0.offset)), 88974#(and (= 0 main_~a~0.offset) (or (and (= (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4)) |main_#t~mem5.offset|) (= (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)) |main_#t~mem5.base|)) (and (or (and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (+ (+ (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (- 8)) 4))) (+ 0 4)))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (+ (+ (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (- 8)) 4))) (+ 0 4))) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (+ (+ (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (- 8)) 4))))) (<= (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) 7)) (<= (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) 8) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4)))))), 88977#(and (or (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4))) 3) (and (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4))) (<= (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) (+ 0 4))) 8) (or (and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) (+ 0 4))) (+ (+ (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) (+ 0 4))) (- 8)) 4)))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) (+ 0 4))) (+ (+ (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) (+ 0 4))) (- 8)) 4))) (+ 0 4))) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) (+ 0 4))) (+ (+ (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) (+ 0 4))) (- 8)) 4))) (+ 0 4))))) (<= (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) (+ 0 4))) 7)))) (= main_~p~0.offset 0)), 88976#(and (= 0 main_~a~0.offset) (or (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) 3) (and (or (and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (+ (+ (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (- 8)) 4))) (+ 0 4)))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (+ (+ (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (- 8)) 4))) (+ 0 4))) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (+ (+ (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (- 8)) 4))))) (<= (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) 7)) (<= (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) 8) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4)))))), 88979#(or (<= (+ main_~p~0.offset 1) 0) (and (= main_~p~0.offset 0) (or (and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) (+ (+ (select |#length| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) (- 8)) 4)))) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) (+ (+ (select |#length| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) (- 8)) 4))) (+ 0 4)))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) (+ (+ (select |#length| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) (- 8)) 4))) (+ 0 4)))) (<= (select |#length| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) 7)) (<= (select |#length| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) 8)) (= (select (select |#memory_int| main_~p~0.base) main_~p~0.offset) 3)), 88978#(or (and (or (and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_#t~mem13.base|) (+ 0 4))) (+ (+ (select |#length| (select (select |#memory_$Pointer$.base| |main_#t~mem13.base|) (+ 0 4))) (- 8)) 4))) (+ 0 4))) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_#t~mem13.base|) (+ 0 4))) (+ (+ (select |#length| (select (select |#memory_$Pointer$.base| |main_#t~mem13.base|) (+ 0 4))) (- 8)) 4))) (+ 0 4)))) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_#t~mem13.base|) (+ 0 4))) (+ (+ (select |#length| (select (select |#memory_$Pointer$.base| |main_#t~mem13.base|) (+ 0 4))) (- 8)) 4))))) (<= (select |#length| (select (select |#memory_$Pointer$.base| |main_#t~mem13.base|) (+ 0 4))) 7)) (<= (select |#length| (select (select |#memory_$Pointer$.base| |main_#t~mem13.base|) (+ 0 4))) 8) (= 0 |main_#t~mem13.offset|)) (= (select (select |#memory_int| |main_#t~mem13.base|) |main_#t~mem13.offset|) 3)), 88981#(and (= main_~p~0.offset 0) (or (and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) (+ (+ (select |#length| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) (- 8)) 4)))) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) (+ (+ (select |#length| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) (- 8)) 4))) (+ 0 4)))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) (+ (+ (select |#length| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) (- 8)) 4))) (+ 0 4)))) (<= (select |#length| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) 7)) (<= (select |#length| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) 8)), 88980#(or (and (= |main_#t~mem11| (select (select |#memory_int| main_~p~0.base) main_~p~0.offset)) (= (select (select |#memory_int| main_~p~0.base) main_~p~0.offset) 3)) (and (= main_~p~0.offset 0) (or (and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) (+ (+ (select |#length| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) (- 8)) 4)))) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) (+ (+ (select |#length| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) (- 8)) 4))) (+ 0 4)))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) (+ (+ (select |#length| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) (- 8)) 4))) (+ 0 4)))) (<= (select |#length| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) 7)) (<= (select |#length| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) 8))), 88983#(or (and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) (+ 0 4)))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) (+ 0 4)))) (<= (+ main_~p~0.offset 1) 0) (<= (select |#length| main_~p~0.base) (+ main_~p~0.offset 7))), 88982#(and (<= (select |#length| |main_#t~mem13.base|) 8) (or (<= (select |#length| |main_#t~mem13.base|) 7) (and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| |main_#t~mem13.base|) (+ (+ (select |#length| |main_#t~mem13.base|) (- 8)) 4)))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |main_#t~mem13.base|) (+ (+ (select |#length| |main_#t~mem13.base|) (- 8)) 4))) (+ 0 4))) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_#t~mem13.base|) (+ (+ (select |#length| |main_#t~mem13.base|) (- 8)) 4))) (+ 0 4))))))), 88985#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| |main_#t~mem13.base|) (+ 0 4)))) (= 8 (select |#length| |main_#t~mem13.base|)) (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem13.base|) (+ 0 4)))), 88984#(or (and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) (+ 0 4)))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) (+ 0 4)))) (<= (select |#length| main_~p~0.base) (+ main_~p~0.offset 7))), 88987#(or (and (<= 1 main_~p~0.offset) (= 8 (select |#length| main_~p~0.base))) (and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4))))), 88986#(or (<= (+ main_~p~0.offset 1) 0) (and (<= 1 main_~p~0.offset) (= 8 (select |#length| main_~p~0.base))) (and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4))))), 88989#(and (= main_~p~0.offset 0) (= 8 (select |#length| main_~p~0.base))), 88988#(and (= 8 (select |#length| |main_#t~mem13.base|)) (= 0 |main_#t~mem13.offset|)), 88947#true, 88949#(= 0 |main_#t~malloc0.offset|), 88948#false, 88951#(and (= 0 main_~a~0.offset) (= main_~p~0.offset 0) (= main_~p~0.base main_~a~0.base)), 88950#(= 0 main_~a~0.offset), 88953#(and (= (select |#valid| |main_#t~malloc4.base|) 1) (= 0 main_~a~0.offset) (= main_~p~0.offset 0) (not (= main_~p~0.base |main_#t~malloc4.base|)) (= main_~p~0.base main_~a~0.base) (= 0 |main_#t~malloc4.offset|)), 88952#(and (= 0 main_~a~0.offset) (= main_~p~0.offset 0) (= (select |#valid| main_~p~0.base) 1) (= main_~p~0.base main_~a~0.base)), 88955#(and (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) 1) (= 0 main_~a~0.offset) (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= main_~p~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4))) (= (select |#valid| main_~p~0.base) 1) (= main_~p~0.base main_~a~0.base)), 88954#(and (= 0 main_~a~0.offset) (= main_~p~0.offset 0) (not (= main_~p~0.base main_~t~0.base)) (= main_~p~0.base main_~a~0.base) (= main_~t~0.offset 0) (= (select |#valid| main_~t~0.base) 1)), 88957#(or (<= (+ main_~p~0.offset 1) 0) (and (= (select |#valid| main_~a~0.base) 1) (= 0 main_~a~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= 0 main_~p~0.offset) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (= (select |#valid| main_~p~0.base) 1) (not (= main_~p~0.base main_~a~0.base)))), 88956#(and (not (= main_~a~0.base |main_#t~mem5.base|)) (= (select |#valid| main_~a~0.base) 1) (= 0 main_~a~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)) |main_#t~mem5.base|) (= (select |#valid| |main_#t~mem5.base|) 1) (= 0 |main_#t~mem5.offset|)), 88959#(and (= (select |#valid| |main_#t~malloc4.base|) 1) (not (= main_~a~0.base |main_#t~malloc4.base|)) (= 0 main_~a~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (not (= main_~p~0.base |main_#t~malloc4.base|)) (= 0 main_~p~0.offset) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (not (= main_~p~0.base main_~a~0.base)) (= 0 |main_#t~malloc4.offset|) (= 8 (select |#length| |main_#t~malloc4.base|))), 88958#(and (= (select |#valid| main_~a~0.base) 1) (= 0 main_~a~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= 0 main_~p~0.offset) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (= (select |#valid| main_~p~0.base) 1) (not (= main_~p~0.base main_~a~0.base)))] [2018-04-11 13:44:28,917 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 0 proven. 120 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:44:28,917 INFO L442 AbstractCegarLoop]: Interpolant automaton has 43 states [2018-04-11 13:44:28,917 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 43 interpolants. [2018-04-11 13:44:28,917 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=159, Invalid=1647, Unknown=0, NotChecked=0, Total=1806 [2018-04-11 13:44:28,918 INFO L87 Difference]: Start difference. First operand 467 states and 535 transitions. Second operand 43 states. [2018-04-11 13:44:30,734 WARN L151 SmtUtils]: Spent 132ms on a formula simplification. DAG size of input: 90 DAG size of output 84 [2018-04-11 13:44:32,699 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 13:44:32,699 INFO L93 Difference]: Finished difference Result 552 states and 623 transitions. [2018-04-11 13:44:32,699 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2018-04-11 13:44:32,699 INFO L78 Accepts]: Start accepts. Automaton has 43 states. Word has length 86 [2018-04-11 13:44:32,699 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 13:44:32,700 INFO L225 Difference]: With dead ends: 552 [2018-04-11 13:44:32,700 INFO L226 Difference]: Without dead ends: 552 [2018-04-11 13:44:32,700 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 82 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1708 ImplicationChecksByTransitivity, 3.4s TimeCoverageRelationStatistics Valid=661, Invalid=6311, Unknown=0, NotChecked=0, Total=6972 [2018-04-11 13:44:32,700 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 552 states. [2018-04-11 13:44:32,702 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 552 to 473. [2018-04-11 13:44:32,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 473 states. [2018-04-11 13:44:32,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 473 states to 473 states and 542 transitions. [2018-04-11 13:44:32,702 INFO L78 Accepts]: Start accepts. Automaton has 473 states and 542 transitions. Word has length 86 [2018-04-11 13:44:32,702 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 13:44:32,702 INFO L459 AbstractCegarLoop]: Abstraction has 473 states and 542 transitions. [2018-04-11 13:44:32,702 INFO L460 AbstractCegarLoop]: Interpolant automaton has 43 states. [2018-04-11 13:44:32,702 INFO L276 IsEmpty]: Start isEmpty. Operand 473 states and 542 transitions. [2018-04-11 13:44:32,703 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2018-04-11 13:44:32,703 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 13:44:32,703 INFO L355 BasicCegarLoop]: trace histogram [5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 13:44:32,703 INFO L408 AbstractCegarLoop]: === Iteration 111 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr29AssertViolationMEMORY_FREE, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr30AssertViolationMEMORY_FREE, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr32EnsuresViolationMEMORY_LEAK, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr31AssertViolationMEMORY_FREE, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr28AssertViolationMEMORY_FREE, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation]=== [2018-04-11 13:44:32,703 INFO L82 PathProgramCache]: Analyzing trace with hash 15162316, now seen corresponding path program 16 times [2018-04-11 13:44:32,704 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 13:44:32,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 13:44:32,724 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 13:44:33,824 INFO L134 CoverageAnalysis]: Checked inductivity of 95 backedges. 5 proven. 90 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:44:33,824 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-11 13:44:33,824 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [41] total 41 [2018-04-11 13:44:33,824 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 13:44:33,824 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 13:44:33,825 INFO L182 omatonBuilderFactory]: Interpolants [90113#(and (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) 0) 2) (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= (select |#valid| main_~a~0.base) 1) (= 0 main_~a~0.offset) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) 1) (not (= main_~p~0.base main_~a~0.base))), 90112#(and (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) 0) 2) (= (select |#valid| main_~a~0.base) 1) (= 0 main_~a~0.offset) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (not (= (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)) |main_#t~mem10.base|)) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) 1) (not (= main_~a~0.base |main_#t~mem10.base|))), 90115#(and (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) 0) 2) (= (select |#valid| main_~a~0.base) 1) (= 0 main_~a~0.offset) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (not (= main_~a~0.base |main_#t~malloc9.base|)) (not (= main_~p~0.base main_~a~0.base)) (not (= (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)) |main_#t~malloc9.base|))), 90114#(and (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) 0) 2) (= (select |#valid| main_~a~0.base) 1) (= 0 main_~a~0.offset) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) 1) (not (= main_~p~0.base main_~a~0.base))), 90117#(and (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) 0) 2) (not (= main_~a~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= (select |#valid| main_~a~0.base) 1) (= 0 main_~a~0.offset) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (not (= (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)) (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))))), 90116#(and (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) 0) 2) (not (= (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)) main_~t~0.base)) (= (select |#valid| main_~a~0.base) 1) (= 0 main_~a~0.offset) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (not (= main_~p~0.base main_~a~0.base)) (not (= main_~a~0.base main_~t~0.base))), 90119#(and (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) 0) 2) (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= (select |#valid| main_~a~0.base) 1) (= 0 main_~a~0.offset) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (not (= main_~p~0.base main_~a~0.base))), 90118#(and (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) 0) 2) (= (select |#valid| main_~a~0.base) 1) (= 0 main_~a~0.offset) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (not (= (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)) |main_#t~mem10.base|)) (not (= main_~a~0.base |main_#t~mem10.base|))), 90121#(and (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) 0) 2) (= 0 |main_#t~malloc9.offset|) (= 0 main_~a~0.offset) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (not (= main_~a~0.base |main_#t~malloc9.base|)) (= 8 (select |#length| |main_#t~malloc9.base|)) (not (= main_~p~0.base main_~a~0.base))), 90120#(and (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) 0) 2) (= (select |#valid| main_~a~0.base) 1) (= 0 main_~a~0.offset) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (not (= main_~p~0.base main_~a~0.base))), 90123#(and (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) 0) 2) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (not (= main_~a~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= 0 main_~a~0.offset) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4)))), 90122#(and (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) 0) 2) (= 8 (select |#length| main_~t~0.base)) (= 0 main_~a~0.offset) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= 0 main_~t~0.offset) (not (= main_~p~0.base main_~a~0.base)) (not (= main_~a~0.base main_~t~0.base))), 90125#(and (= 0 main_~a~0.offset) (or (and (= main_~p~0.offset 0) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (and (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) 0) 2) (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))))) (not (= main_~p~0.base main_~a~0.base)) (= 8 (select |#length| main_~p~0.base))), 90124#(and (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) 0) 2) (= 0 main_~a~0.offset) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= 8 (select |#length| |main_#t~mem10.base|)) (not (= main_~a~0.base |main_#t~mem10.base|)) (= 0 |main_#t~mem10.offset|)), 90127#(and (= 0 main_~a~0.offset) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (or (and (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) 0) 2) (= 0 |main_#t~malloc9.offset|)) (and (not (= main_~p~0.base |main_#t~malloc9.base|)) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (= (select (select |#memory_int| main_~p~0.base) 0) 2))) (not (= main_~p~0.base main_~a~0.base))), 90126#(and (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) 0) 2) (= 0 main_~a~0.offset) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (not (= main_~p~0.base main_~a~0.base)) (= 8 (select |#length| main_~p~0.base))), 90129#(and (= 0 main_~a~0.offset) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (or (and (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (= (select (select |#memory_int| main_~p~0.base) 0) 2)) (and (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) 0) 2) (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4)))))), 90128#(and (= 0 main_~a~0.offset) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (or (and (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) 0) 2) (= 0 main_~t~0.offset)) (and (not (= main_~p~0.base main_~t~0.base)) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (= (select (select |#memory_int| main_~p~0.base) 0) 2))) (not (= main_~p~0.base main_~a~0.base))), 90131#(and (= 0 main_~a~0.offset) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (or (and (= main_~p~0.offset 0) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (and (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) 0) 2) (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))))))), 90130#(and (or (and (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) 0) 2) (not (= (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)) |main_#t~mem10.base|))) (and (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) 0) 2) (= 0 |main_#t~mem10.offset|))) (= 0 main_~a~0.offset) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))))), 90133#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (or (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) 0) 3) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) 0) 2)) (= main_~p~0.offset 0)), 90132#(and (= 0 main_~a~0.offset) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (or (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) 0) 2) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) 0) 3))), 90135#(and (or (not (= main_~p~0.offset 0)) (= (select (select |#memory_int| main_~p~0.base) main_~p~0.offset) 3) (= (select (select |#memory_int| main_~p~0.base) main_~p~0.offset) 2)) (= 8 (select |#length| main_~p~0.base))), 90134#(and (or (= (select (select |#memory_int| |main_#t~mem13.base|) 0) 2) (= (select (select |#memory_int| |main_#t~mem13.base|) 0) 3)) (= 8 (select |#length| |main_#t~mem13.base|))), 90137#(and (< 0 main_~p~0.offset) (= 8 (select |#length| main_~p~0.base))), 90136#(and (or (not (= main_~p~0.offset 0)) (= |main_#t~mem11| 2) (= |main_#t~mem11| 3)) (= 8 (select |#length| main_~p~0.base)) (or (< 0 main_~p~0.offset) (= main_~p~0.offset 0))), 90097#true, 90099#(= 0 |main_#t~malloc0.offset|), 90098#false, 90101#(and (= 0 main_~a~0.offset) (= main_~p~0.offset 0) (= main_~p~0.base main_~a~0.base)), 90100#(= 0 main_~a~0.offset), 90103#(and (= 0 main_~a~0.offset) (= main_~p~0.offset 0) (not (= main_~p~0.base |main_#t~malloc4.base|)) (= main_~p~0.base main_~a~0.base) (= 0 |main_#t~malloc4.offset|) (= 8 (select |#length| |main_#t~malloc4.base|))), 90102#(and (= 0 main_~a~0.offset) (= main_~p~0.offset 0) (= (select |#valid| main_~p~0.base) 1) (= main_~p~0.base main_~a~0.base)), 90105#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= 0 main_~a~0.offset) (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= main_~p~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4))) (= (select |#valid| main_~p~0.base) 1) (= main_~p~0.base main_~a~0.base)), 90104#(and (= 8 (select |#length| main_~t~0.base)) (= 0 main_~a~0.offset) (= 0 main_~t~0.offset) (= main_~p~0.offset 0) (not (= main_~p~0.base main_~t~0.base)) (= main_~p~0.base main_~a~0.base)), 90107#(and (= (select |#valid| main_~a~0.base) 1) (= 0 main_~a~0.offset) (= main_~p~0.offset 0) (not (= main_~p~0.base main_~a~0.base)) (= 8 (select |#length| main_~p~0.base)) (= (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)) main_~p~0.base)), 90106#(and (not (= main_~a~0.base |main_#t~mem5.base|)) (= (select |#valid| main_~a~0.base) 1) (= 0 main_~a~0.offset) (= 8 (select |#length| |main_#t~mem5.base|)) (= |main_#t~mem5.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (= 0 |main_#t~mem5.offset|)), 90109#(and (not (= main_~p~0.base |main_#t~malloc9.base|)) (= (select |#valid| main_~a~0.base) 1) (= 0 main_~a~0.offset) (not (= main_~a~0.base |main_#t~malloc9.base|)) (not (= main_~p~0.base main_~a~0.base)) (= 8 (select |#length| main_~p~0.base)) (= (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)) main_~p~0.base) (= (select (select |#memory_int| main_~p~0.base) 0) 2)), 90108#(and (= (select |#valid| main_~a~0.base) 1) (= 0 main_~a~0.offset) (= (select |#valid| main_~p~0.base) 1) (not (= main_~p~0.base main_~a~0.base)) (= 8 (select |#length| main_~p~0.base)) (= (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)) main_~p~0.base) (= (select (select |#memory_int| main_~p~0.base) 0) 2)), 90111#(and (not (= main_~a~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= (select |#valid| main_~a~0.base) 1) (= 0 main_~a~0.offset) (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= (select |#valid| main_~p~0.base) 1) (= 8 (select |#length| main_~p~0.base)) (= (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)) main_~p~0.base) (= (select (select |#memory_int| main_~p~0.base) 0) 2)), 90110#(and (= (select |#valid| main_~a~0.base) 1) (= 0 main_~a~0.offset) (not (= main_~p~0.base main_~t~0.base)) (not (= main_~p~0.base main_~a~0.base)) (= 8 (select |#length| main_~p~0.base)) (= (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)) main_~p~0.base) (= (select (select |#memory_int| main_~p~0.base) 0) 2) (not (= main_~a~0.base main_~t~0.base)))] [2018-04-11 13:44:33,825 INFO L134 CoverageAnalysis]: Checked inductivity of 95 backedges. 5 proven. 90 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:44:33,825 INFO L442 AbstractCegarLoop]: Interpolant automaton has 41 states [2018-04-11 13:44:33,825 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 41 interpolants. [2018-04-11 13:44:33,825 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=176, Invalid=1464, Unknown=0, NotChecked=0, Total=1640 [2018-04-11 13:44:33,825 INFO L87 Difference]: Start difference. First operand 473 states and 542 transitions. Second operand 41 states. [2018-04-11 13:44:35,803 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 13:44:35,803 INFO L93 Difference]: Finished difference Result 578 states and 656 transitions. [2018-04-11 13:44:35,803 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2018-04-11 13:44:35,804 INFO L78 Accepts]: Start accepts. Automaton has 41 states. Word has length 87 [2018-04-11 13:44:35,804 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 13:44:35,804 INFO L225 Difference]: With dead ends: 578 [2018-04-11 13:44:35,804 INFO L226 Difference]: Without dead ends: 577 [2018-04-11 13:44:35,804 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 64 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 778 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=584, Invalid=3706, Unknown=0, NotChecked=0, Total=4290 [2018-04-11 13:44:35,804 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 577 states. [2018-04-11 13:44:35,806 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 577 to 494. [2018-04-11 13:44:35,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 494 states. [2018-04-11 13:44:35,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 494 states to 494 states and 565 transitions. [2018-04-11 13:44:35,807 INFO L78 Accepts]: Start accepts. Automaton has 494 states and 565 transitions. Word has length 87 [2018-04-11 13:44:35,807 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 13:44:35,807 INFO L459 AbstractCegarLoop]: Abstraction has 494 states and 565 transitions. [2018-04-11 13:44:35,807 INFO L460 AbstractCegarLoop]: Interpolant automaton has 41 states. [2018-04-11 13:44:35,807 INFO L276 IsEmpty]: Start isEmpty. Operand 494 states and 565 transitions. [2018-04-11 13:44:35,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2018-04-11 13:44:35,807 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 13:44:35,807 INFO L355 BasicCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 13:44:35,807 INFO L408 AbstractCegarLoop]: === Iteration 112 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr29AssertViolationMEMORY_FREE, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr30AssertViolationMEMORY_FREE, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr32EnsuresViolationMEMORY_LEAK, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr31AssertViolationMEMORY_FREE, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr28AssertViolationMEMORY_FREE, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation]=== [2018-04-11 13:44:35,807 INFO L82 PathProgramCache]: Analyzing trace with hash -1885199454, now seen corresponding path program 17 times [2018-04-11 13:44:35,808 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 13:44:35,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 13:44:35,819 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 13:44:36,604 INFO L134 CoverageAnalysis]: Checked inductivity of 73 backedges. 0 proven. 73 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:44:36,604 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-11 13:44:36,604 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [32] total 32 [2018-04-11 13:44:36,604 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 13:44:36,604 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 13:44:36,605 INFO L182 omatonBuilderFactory]: Interpolants [91265#(and (= 0 main_~a~0.offset) (= main_~p~0.offset 0) (= (select |#valid| main_~p~0.base) 1) (= main_~p~0.base main_~a~0.base)), 91264#(and (= 0 main_~a~0.offset) (= main_~p~0.offset 0) (= main_~p~0.base main_~a~0.base)), 91267#(and (= 0 main_~a~0.offset) (= 0 main_~t~0.offset) (= main_~p~0.offset 0) (not (= main_~p~0.base main_~t~0.base)) (= main_~p~0.base main_~a~0.base) (= (select |#valid| main_~t~0.base) 1)), 91266#(and (= (select |#valid| |main_#t~malloc4.base|) 1) (= 0 main_~a~0.offset) (= main_~p~0.offset 0) (not (= main_~p~0.base |main_#t~malloc4.base|)) (= main_~p~0.base main_~a~0.base) (= 0 |main_#t~malloc4.offset|)), 91269#(and (not (= main_~a~0.base |main_#t~mem5.base|)) (= (select |#valid| main_~a~0.base) 1) (= 0 main_~a~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)) |main_#t~mem5.base|) (= (select |#valid| |main_#t~mem5.base|) 1) (= 0 |main_#t~mem5.offset|)), 91268#(and (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) 1) (= 0 main_~a~0.offset) (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= main_~p~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4))) (= (select |#valid| main_~p~0.base) 1) (= main_~p~0.base main_~a~0.base)), 91271#(and (not (= main_~a~0.base |main_#t~malloc4.base|)) (= (select |#valid| main_~a~0.base) 1) (= 0 main_~a~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~p~0.offset 0) (not (= main_~p~0.base |main_#t~malloc4.base|)) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (not (= main_~p~0.base main_~a~0.base))), 91270#(and (= (select |#valid| main_~a~0.base) 1) (= 0 main_~a~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~p~0.offset 0) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (= (select |#valid| main_~p~0.base) 1) (not (= main_~p~0.base main_~a~0.base))), 91273#(and (not (= main_~a~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= (select |#valid| main_~a~0.base) 1) (= 0 main_~a~0.offset) (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~p~0.offset 0) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (= (select |#valid| main_~p~0.base) 1)), 91272#(and (= (select |#valid| main_~a~0.base) 1) (= 0 main_~a~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= main_~p~0.offset 0) (not (= main_~p~0.base main_~t~0.base)) (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (not (= main_~p~0.base main_~a~0.base)) (not (= main_~a~0.base main_~t~0.base))), 91275#(and (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= (select |#valid| main_~a~0.base) 1) (= 0 main_~a~0.offset) (= main_~p~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) 1) (not (= main_~p~0.base main_~a~0.base))), 91274#(and (not (= main_~a~0.base |main_#t~mem5.base|)) (= (select |#valid| main_~a~0.base) 1) (= 0 main_~a~0.offset) (not (= (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)) |main_#t~mem5.base|)) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= |main_#t~mem5.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) 1)), 91277#(and (not (= (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)) main_~t~0.base)) (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= 0 main_~a~0.offset) (not (= (select |#valid| main_~a~0.base) 0)) (not (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) 0)) (= main_~p~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (not (= main_~p~0.base main_~a~0.base)) (not (= main_~a~0.base main_~t~0.base))), 91276#(and (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= 0 main_~a~0.offset) (not (= (select |#valid| main_~a~0.base) 0)) (not (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) 0)) (= main_~p~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (not (= main_~a~0.base |main_#t~malloc9.base|)) (not (= main_~p~0.base main_~a~0.base)) (not (= (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)) |main_#t~malloc9.base|))), 91279#(and (= 0 main_~a~0.offset) (not (= (select |#valid| main_~a~0.base) 0)) (not (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) 0)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (not (= (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)) |main_#t~mem10.base|)) (not (= main_~a~0.base |main_#t~mem10.base|))), 91278#(and (not (= main_~a~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= 0 main_~a~0.offset) (not (= (select |#valid| main_~a~0.base) 0)) (not (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) 0)) (not (= (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)) (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= main_~p~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (= 1 (select |#valid| main_~p~0.base))), 91281#(and (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= 0 main_~a~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (or (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4)))) (= |main_#t~malloc9.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4)))) (not (= main_~a~0.base |main_#t~malloc9.base|)) (not (= main_~p~0.base main_~a~0.base)) (not (= (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)) |main_#t~malloc9.base|))), 91280#(and (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= 0 main_~a~0.offset) (not (= (select |#valid| main_~a~0.base) 0)) (not (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) 0)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (not (= main_~p~0.base main_~a~0.base))), 91283#(and (not (= main_~a~0.base (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= 0 main_~a~0.offset) (not (= (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)) (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (or (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4)))) (= (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))))), 91282#(and (not (= (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)) main_~t~0.base)) (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= 0 main_~a~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (or (= main_~t~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))))) (not (= main_~p~0.base main_~a~0.base)) (not (= main_~a~0.base main_~t~0.base))), 91285#(and (not (= main_~p~0.base (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)))) (= 0 main_~a~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (or (= main_~p~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4))))) (not (= main_~p~0.base main_~a~0.base))), 91284#(and (= 0 main_~a~0.offset) (or (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4)))) (= |main_#t~mem10.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4))) (not (= (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4)) |main_#t~mem10.base|)) (not (= main_~a~0.base |main_#t~mem10.base|))), 91287#(and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4))) (+ 0 4)))) (= main_~p~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~p~0.base) (+ main_~p~0.offset 4)))), 91286#(and (= 0 main_~a~0.offset) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~a~0.base) (+ 0 4))) (+ 0 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~a~0.base) (+ 0 4)))), 91289#(or (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))) (<= (+ main_~p~0.offset 1) 0)), 91288#(and (= 0 |main_#t~mem13.offset|) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| |main_#t~mem13.base|) (+ 0 4))))), 91291#(= 1 (select |#valid| |main_#t~mem13.base|)), 91290#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~p~0.base) (+ main_~p~0.offset 4)))), 91292#(= 1 (select |#valid| main_~p~0.base)), 91261#false, 91260#true, 91263#(= 0 main_~a~0.offset), 91262#(= 0 |main_#t~malloc0.offset|)] [2018-04-11 13:44:36,605 INFO L134 CoverageAnalysis]: Checked inductivity of 73 backedges. 0 proven. 73 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 13:44:36,605 INFO L442 AbstractCegarLoop]: Interpolant automaton has 33 states [2018-04-11 13:44:36,605 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2018-04-11 13:44:36,605 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=110, Invalid=946, Unknown=0, NotChecked=0, Total=1056 [2018-04-11 13:44:36,605 INFO L87 Difference]: Start difference. First operand 494 states and 565 transitions. Second operand 33 states. Received shutdown request... [2018-04-11 13:44:36,629 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-04-11 13:44:36,629 WARN L519 AbstractCegarLoop]: Verification canceled [2018-04-11 13:44:36,633 WARN L197 ceAbstractionStarter]: Timeout [2018-04-11 13:44:36,633 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.04 01:44:36 BoogieIcfgContainer [2018-04-11 13:44:36,633 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-04-11 13:44:36,634 INFO L168 Benchmark]: Toolchain (without parser) took 178028.13 ms. Allocated memory was 403.7 MB in the beginning and 1.5 GB in the end (delta: 1.1 GB). Free memory was 337.1 MB in the beginning and 439.1 MB in the end (delta: -102.0 MB). Peak memory consumption was 976.4 MB. Max. memory is 5.3 GB. [2018-04-11 13:44:36,635 INFO L168 Benchmark]: CDTParser took 0.13 ms. Allocated memory is still 403.7 MB. Free memory is still 362.6 MB. There was no memory consumed. Max. memory is 5.3 GB. [2018-04-11 13:44:36,635 INFO L168 Benchmark]: CACSL2BoogieTranslator took 242.32 ms. Allocated memory is still 403.7 MB. Free memory was 335.8 MB in the beginning and 310.6 MB in the end (delta: 25.2 MB). Peak memory consumption was 25.2 MB. Max. memory is 5.3 GB. [2018-04-11 13:44:36,635 INFO L168 Benchmark]: Boogie Preprocessor took 45.20 ms. Allocated memory is still 403.7 MB. Free memory was 310.6 MB in the beginning and 308.0 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 5.3 GB. [2018-04-11 13:44:36,635 INFO L168 Benchmark]: RCFGBuilder took 469.57 ms. Allocated memory was 403.7 MB in the beginning and 591.4 MB in the end (delta: 187.7 MB). Free memory was 308.0 MB in the beginning and 518.0 MB in the end (delta: -210.0 MB). Peak memory consumption was 23.6 MB. Max. memory is 5.3 GB. [2018-04-11 13:44:36,635 INFO L168 Benchmark]: TraceAbstraction took 177268.47 ms. Allocated memory was 591.4 MB in the beginning and 1.5 GB in the end (delta: 890.8 MB). Free memory was 518.0 MB in the beginning and 439.1 MB in the end (delta: 78.8 MB). Peak memory consumption was 969.6 MB. Max. memory is 5.3 GB. [2018-04-11 13:44:36,636 INFO L344 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13 ms. Allocated memory is still 403.7 MB. Free memory is still 362.6 MB. There was no memory consumed. Max. memory is 5.3 GB. * CACSL2BoogieTranslator took 242.32 ms. Allocated memory is still 403.7 MB. Free memory was 335.8 MB in the beginning and 310.6 MB in the end (delta: 25.2 MB). Peak memory consumption was 25.2 MB. Max. memory is 5.3 GB. * Boogie Preprocessor took 45.20 ms. Allocated memory is still 403.7 MB. Free memory was 310.6 MB in the beginning and 308.0 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 5.3 GB. * RCFGBuilder took 469.57 ms. Allocated memory was 403.7 MB in the beginning and 591.4 MB in the end (delta: 187.7 MB). Free memory was 308.0 MB in the beginning and 518.0 MB in the end (delta: -210.0 MB). Peak memory consumption was 23.6 MB. Max. memory is 5.3 GB. * TraceAbstraction took 177268.47 ms. Allocated memory was 591.4 MB in the beginning and 1.5 GB in the end (delta: 890.8 MB). Free memory was 518.0 MB in the beginning and 439.1 MB in the end (delta: 78.8 MB). Peak memory consumption was 969.6 MB. Max. memory is 5.3 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 639]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 639). Cancelled while BasicCegarLoop was constructing difference of abstraction (494states) and interpolant automaton (currently 3 states, 33 states before enhancement), while ReachableStatesComputation was computing reachable states (7 states constructedinput type IntersectNwa). - TimeoutResultAtElement [Line: 649]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 649). Cancelled while BasicCegarLoop was constructing difference of abstraction (494states) and interpolant automaton (currently 3 states, 33 states before enhancement), while ReachableStatesComputation was computing reachable states (7 states constructedinput type IntersectNwa). - TimeoutResultAtElement [Line: 666]: Timeout (TraceAbstraction) Unable to prove that free always succeeds (line 666). Cancelled while BasicCegarLoop was constructing difference of abstraction (494states) and interpolant automaton (currently 3 states, 33 states before enhancement), while ReachableStatesComputation was computing reachable states (7 states constructedinput type IntersectNwa). - TimeoutResultAtElement [Line: 665]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 665). Cancelled while BasicCegarLoop was constructing difference of abstraction (494states) and interpolant automaton (currently 3 states, 33 states before enhancement), while ReachableStatesComputation was computing reachable states (7 states constructedinput type IntersectNwa). - TimeoutResultAtElement [Line: 657]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 657). Cancelled while BasicCegarLoop was constructing difference of abstraction (494states) and interpolant automaton (currently 3 states, 33 states before enhancement), while ReachableStatesComputation was computing reachable states (7 states constructedinput type IntersectNwa). - TimeoutResultAtElement [Line: 661]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 661). Cancelled while BasicCegarLoop was constructing difference of abstraction (494states) and interpolant automaton (currently 3 states, 33 states before enhancement), while ReachableStatesComputation was computing reachable states (7 states constructedinput type IntersectNwa). - TimeoutResultAtElement [Line: 635]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 635). Cancelled while BasicCegarLoop was constructing difference of abstraction (494states) and interpolant automaton (currently 3 states, 33 states before enhancement), while ReachableStatesComputation was computing reachable states (7 states constructedinput type IntersectNwa). - TimeoutResultAtElement [Line: 659]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 659). Cancelled while BasicCegarLoop was constructing difference of abstraction (494states) and interpolant automaton (currently 3 states, 33 states before enhancement), while ReachableStatesComputation was computing reachable states (7 states constructedinput type IntersectNwa). - TimeoutResultAtElement [Line: 638]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 638). Cancelled while BasicCegarLoop was constructing difference of abstraction (494states) and interpolant automaton (currently 3 states, 33 states before enhancement), while ReachableStatesComputation was computing reachable states (7 states constructedinput type IntersectNwa). - TimeoutResultAtElement [Line: 653]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 653). Cancelled while BasicCegarLoop was constructing difference of abstraction (494states) and interpolant automaton (currently 3 states, 33 states before enhancement), while ReachableStatesComputation was computing reachable states (7 states constructedinput type IntersectNwa). - TimeoutResultAtElement [Line: 655]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 655). Cancelled while BasicCegarLoop was constructing difference of abstraction (494states) and interpolant automaton (currently 3 states, 33 states before enhancement), while ReachableStatesComputation was computing reachable states (7 states constructedinput type IntersectNwa). - TimeoutResultAtElement [Line: 664]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 664). Cancelled while BasicCegarLoop was constructing difference of abstraction (494states) and interpolant automaton (currently 3 states, 33 states before enhancement), while ReachableStatesComputation was computing reachable states (7 states constructedinput type IntersectNwa). - TimeoutResultAtElement [Line: 638]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 638). Cancelled while BasicCegarLoop was constructing difference of abstraction (494states) and interpolant automaton (currently 3 states, 33 states before enhancement), while ReachableStatesComputation was computing reachable states (7 states constructedinput type IntersectNwa). - TimeoutResultAtElement [Line: 649]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 649). Cancelled while BasicCegarLoop was constructing difference of abstraction (494states) and interpolant automaton (currently 3 states, 33 states before enhancement), while ReachableStatesComputation was computing reachable states (7 states constructedinput type IntersectNwa). - TimeoutResultAtElement [Line: 643]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 643). Cancelled while BasicCegarLoop was constructing difference of abstraction (494states) and interpolant automaton (currently 3 states, 33 states before enhancement), while ReachableStatesComputation was computing reachable states (7 states constructedinput type IntersectNwa). - TimeoutResultAtElement [Line: 657]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 657). Cancelled while BasicCegarLoop was constructing difference of abstraction (494states) and interpolant automaton (currently 3 states, 33 states before enhancement), while ReachableStatesComputation was computing reachable states (7 states constructedinput type IntersectNwa). - TimeoutResultAtElement [Line: 661]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 661). Cancelled while BasicCegarLoop was constructing difference of abstraction (494states) and interpolant automaton (currently 3 states, 33 states before enhancement), while ReachableStatesComputation was computing reachable states (7 states constructedinput type IntersectNwa). - TimeoutResultAtElement [Line: 665]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 665). Cancelled while BasicCegarLoop was constructing difference of abstraction (494states) and interpolant automaton (currently 3 states, 33 states before enhancement), while ReachableStatesComputation was computing reachable states (7 states constructedinput type IntersectNwa). - TimeoutResultAtElement [Line: 635]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 635). Cancelled while BasicCegarLoop was constructing difference of abstraction (494states) and interpolant automaton (currently 3 states, 33 states before enhancement), while ReachableStatesComputation was computing reachable states (7 states constructedinput type IntersectNwa). - TimeoutResultAtElement [Line: 669]: Timeout (TraceAbstraction) Unable to prove that free always succeeds (line 669). Cancelled while BasicCegarLoop was constructing difference of abstraction (494states) and interpolant automaton (currently 3 states, 33 states before enhancement), while ReachableStatesComputation was computing reachable states (7 states constructedinput type IntersectNwa). - TimeoutResultAtElement [Line: 655]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 655). Cancelled while BasicCegarLoop was constructing difference of abstraction (494states) and interpolant automaton (currently 3 states, 33 states before enhancement), while ReachableStatesComputation was computing reachable states (7 states constructedinput type IntersectNwa). - TimeoutResultAtElement [Line: 646]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 646). Cancelled while BasicCegarLoop was constructing difference of abstraction (494states) and interpolant automaton (currently 3 states, 33 states before enhancement), while ReachableStatesComputation was computing reachable states (7 states constructedinput type IntersectNwa). - TimeoutResultAtElement [Line: 626]: Timeout (TraceAbstraction) Unable to prove that all allocated memory was freed (line 626). Cancelled while BasicCegarLoop was constructing difference of abstraction (494states) and interpolant automaton (currently 3 states, 33 states before enhancement), while ReachableStatesComputation was computing reachable states (7 states constructedinput type IntersectNwa). - TimeoutResultAtElement [Line: 643]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 643). Cancelled while BasicCegarLoop was constructing difference of abstraction (494states) and interpolant automaton (currently 3 states, 33 states before enhancement), while ReachableStatesComputation was computing reachable states (7 states constructedinput type IntersectNwa). - TimeoutResultAtElement [Line: 659]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 659). Cancelled while BasicCegarLoop was constructing difference of abstraction (494states) and interpolant automaton (currently 3 states, 33 states before enhancement), while ReachableStatesComputation was computing reachable states (7 states constructedinput type IntersectNwa). - TimeoutResultAtElement [Line: 669]: Timeout (TraceAbstraction) Unable to prove that free always succeeds (line 669). Cancelled while BasicCegarLoop was constructing difference of abstraction (494states) and interpolant automaton (currently 3 states, 33 states before enhancement), while ReachableStatesComputation was computing reachable states (7 states constructedinput type IntersectNwa). - TimeoutResultAtElement [Line: 647]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 647). Cancelled while BasicCegarLoop was constructing difference of abstraction (494states) and interpolant automaton (currently 3 states, 33 states before enhancement), while ReachableStatesComputation was computing reachable states (7 states constructedinput type IntersectNwa). - TimeoutResultAtElement [Line: 664]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 664). Cancelled while BasicCegarLoop was constructing difference of abstraction (494states) and interpolant automaton (currently 3 states, 33 states before enhancement), while ReachableStatesComputation was computing reachable states (7 states constructedinput type IntersectNwa). - TimeoutResultAtElement [Line: 666]: Timeout (TraceAbstraction) Unable to prove that free always succeeds (line 666). Cancelled while BasicCegarLoop was constructing difference of abstraction (494states) and interpolant automaton (currently 3 states, 33 states before enhancement), while ReachableStatesComputation was computing reachable states (7 states constructedinput type IntersectNwa). - TimeoutResultAtElement [Line: 646]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 646). Cancelled while BasicCegarLoop was constructing difference of abstraction (494states) and interpolant automaton (currently 3 states, 33 states before enhancement), while ReachableStatesComputation was computing reachable states (7 states constructedinput type IntersectNwa). - TimeoutResultAtElement [Line: 647]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 647). Cancelled while BasicCegarLoop was constructing difference of abstraction (494states) and interpolant automaton (currently 3 states, 33 states before enhancement), while ReachableStatesComputation was computing reachable states (7 states constructedinput type IntersectNwa). - TimeoutResultAtElement [Line: 639]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 639). Cancelled while BasicCegarLoop was constructing difference of abstraction (494states) and interpolant automaton (currently 3 states, 33 states before enhancement), while ReachableStatesComputation was computing reachable states (7 states constructedinput type IntersectNwa). - TimeoutResultAtElement [Line: 653]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 653). Cancelled while BasicCegarLoop was constructing difference of abstraction (494states) and interpolant automaton (currently 3 states, 33 states before enhancement), while ReachableStatesComputation was computing reachable states (7 states constructedinput type IntersectNwa). - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 105 locations, 33 error locations. TIMEOUT Result, 177.2s OverallTime, 112 OverallIterations, 5 TraceHistogramMax, 122.4s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 10359 SDtfs, 51698 SDslu, 123347 SDs, 0 SdLazy, 143334 SolverSat, 8066 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 52.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 5101 GetRequests, 202 SyntacticMatches, 40 SemanticMatches, 4859 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 57587 ImplicationChecksByTransitivity, 100.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=525occurred in iteration=96, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 305/4601 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 111 MinimizatonAttempts, 8143 StatesRemovedByMinimization, 109 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 51.6s InterpolantComputationTime, 7153 NumberOfCodeBlocks, 7153 NumberOfCodeBlocksAsserted, 112 NumberOfCheckSat, 7041 ConstructedInterpolants, 0 QuantifiedInterpolants, 14549126 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 112 InterpolantComputations, 10 PerfectInterpolantSequences, 305/4601 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Written .csv to /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/list-ext_false-unreach-call_false-valid-deref.i_svcomp-DerefFreeMemtrack-32bit-Automizer_SmtInterpol_Array.epf_AutomizerC.xml/Csv-Benchmark-0-2018-04-11_13-44-36-641.csv Written .csv to /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/list-ext_false-unreach-call_false-valid-deref.i_svcomp-DerefFreeMemtrack-32bit-Automizer_SmtInterpol_Array.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-0-2018-04-11_13-44-36-641.csv Completed graceful shutdown