java -Xmx6000000000 -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data ./data --generate-csv --csv-dir ../../../releaseScripts/default/UAutomizer-linux/csv -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/cade18-smtinterpol/svcomp-DerefFreeMemtrack-32bit-Automizer_SmtInterpol_Array.epf -i ../../../trunk/examples/svcomp/forester-heap/dll-rb-sentinel_false-unreach-call_false-valid-memtrack.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-666feb3-m [2018-04-10 15:12:56,163 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-04-10 15:12:56,165 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-04-10 15:12:56,178 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-04-10 15:12:56,179 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-04-10 15:12:56,180 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-04-10 15:12:56,180 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-04-10 15:12:56,182 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-04-10 15:12:56,184 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-04-10 15:12:56,185 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-04-10 15:12:56,185 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-04-10 15:12:56,186 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-04-10 15:12:56,186 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-04-10 15:12:56,187 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-04-10 15:12:56,188 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-04-10 15:12:56,190 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-04-10 15:12:56,191 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-04-10 15:12:56,192 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-04-10 15:12:56,193 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-04-10 15:12:56,194 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-04-10 15:12:56,196 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2018-04-10 15:12:56,201 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 [2018-04-10 15:12:56,216 INFO L110 SettingsManager]: Loading preferences was successful [2018-04-10 15:12:56,217 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-04-10 15:12:56,218 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-04-10 15:12:56,218 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-04-10 15:12:56,218 INFO L133 SettingsManager]: * Use SBE=true [2018-04-10 15:12:56,218 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-04-10 15:12:56,218 INFO L133 SettingsManager]: * sizeof long=4 [2018-04-10 15:12:56,219 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-04-10 15:12:56,219 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-04-10 15:12:56,219 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-04-10 15:12:56,219 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-04-10 15:12:56,219 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-04-10 15:12:56,219 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2018-04-10 15:12:56,219 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-04-10 15:12:56,220 INFO L133 SettingsManager]: * sizeof long double=12 [2018-04-10 15:12:56,220 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-04-10 15:12:56,220 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-04-10 15:12:56,220 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-04-10 15:12:56,220 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-04-10 15:12:56,220 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-04-10 15:12:56,220 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-04-10 15:12:56,221 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=Craig_TreeInterpolation [2018-04-10 15:12:56,250 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-04-10 15:12:56,262 INFO L266 ainManager$Toolchain]: [Toolchain 1]: Parser(s) successfully (re)initialized [2018-04-10 15:12:56,266 INFO L222 ainManager$Toolchain]: [Toolchain 1]: Toolchain data selected. [2018-04-10 15:12:56,268 INFO L271 PluginConnector]: Initializing CDTParser... [2018-04-10 15:12:56,269 INFO L276 PluginConnector]: CDTParser initialized [2018-04-10 15:12:56,269 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/forester-heap/dll-rb-sentinel_false-unreach-call_false-valid-memtrack.i [2018-04-10 15:12:56,646 INFO L225 CDTParser]: Created temporary CDT project at /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/data/FLAG058e2cd32 [2018-04-10 15:12:56,782 INFO L287 CDTParser]: IsIndexed: true [2018-04-10 15:12:56,783 INFO L288 CDTParser]: Found 1 translation units. [2018-04-10 15:12:56,783 INFO L168 CDTParser]: Scanning dll-rb-sentinel_false-unreach-call_false-valid-memtrack.i [2018-04-10 15:12:56,792 INFO L210 ultiparseSymbolTable]: Include resolver: [2018-04-10 15:12:56,793 INFO L215 ultiparseSymbolTable]: [2018-04-10 15:12:56,793 INFO L218 ultiparseSymbolTable]: Function table: [2018-04-10 15:12:56,793 INFO L221 ultiparseSymbolTable]: Function definition of null ('main') in dll-rb-sentinel_false-unreach-call_false-valid-memtrack.i [2018-04-10 15:12:56,793 INFO L227 ultiparseSymbolTable]: Global variable table: [2018-04-10 15:12:56,793 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_rb_sentinel_false_unreach_call_false_valid_memtrack_i__pthread_spinlock_t in dll-rb-sentinel_false-unreach-call_false-valid-memtrack.i [2018-04-10 15:12:56,793 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_rb_sentinel_false_unreach_call_false_valid_memtrack_i____clock_t in dll-rb-sentinel_false-unreach-call_false-valid-memtrack.i [2018-04-10 15:12:56,793 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_rb_sentinel_false_unreach_call_false_valid_memtrack_i__quad_t in dll-rb-sentinel_false-unreach-call_false-valid-memtrack.i [2018-04-10 15:12:56,793 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_rb_sentinel_false_unreach_call_false_valid_memtrack_i____clockid_t in dll-rb-sentinel_false-unreach-call_false-valid-memtrack.i [2018-04-10 15:12:56,793 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_rb_sentinel_false_unreach_call_false_valid_memtrack_i__clockid_t in dll-rb-sentinel_false-unreach-call_false-valid-memtrack.i [2018-04-10 15:12:56,793 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_rb_sentinel_false_unreach_call_false_valid_memtrack_i____uint8_t in dll-rb-sentinel_false-unreach-call_false-valid-memtrack.i [2018-04-10 15:12:56,793 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_rb_sentinel_false_unreach_call_false_valid_memtrack_i____blkcnt_t in dll-rb-sentinel_false-unreach-call_false-valid-memtrack.i [2018-04-10 15:12:56,793 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_rb_sentinel_false_unreach_call_false_valid_memtrack_i____key_t in dll-rb-sentinel_false-unreach-call_false-valid-memtrack.i [2018-04-10 15:12:56,793 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_rb_sentinel_false_unreach_call_false_valid_memtrack_i____loff_t in dll-rb-sentinel_false-unreach-call_false-valid-memtrack.i [2018-04-10 15:12:56,793 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_rb_sentinel_false_unreach_call_false_valid_memtrack_i__fsid_t in dll-rb-sentinel_false-unreach-call_false-valid-memtrack.i [2018-04-10 15:12:56,794 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_rb_sentinel_false_unreach_call_false_valid_memtrack_i__u_int16_t in dll-rb-sentinel_false-unreach-call_false-valid-memtrack.i [2018-04-10 15:12:56,794 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_rb_sentinel_false_unreach_call_false_valid_memtrack_i__pthread_cond_t in dll-rb-sentinel_false-unreach-call_false-valid-memtrack.i [2018-04-10 15:12:56,794 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_rb_sentinel_false_unreach_call_false_valid_memtrack_i____u_int in dll-rb-sentinel_false-unreach-call_false-valid-memtrack.i [2018-04-10 15:12:56,794 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_rb_sentinel_false_unreach_call_false_valid_memtrack_i____useconds_t in dll-rb-sentinel_false-unreach-call_false-valid-memtrack.i [2018-04-10 15:12:56,794 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_rb_sentinel_false_unreach_call_false_valid_memtrack_i____syscall_slong_t in dll-rb-sentinel_false-unreach-call_false-valid-memtrack.i [2018-04-10 15:12:56,794 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_rb_sentinel_false_unreach_call_false_valid_memtrack_i__fd_mask in dll-rb-sentinel_false-unreach-call_false-valid-memtrack.i [2018-04-10 15:12:56,794 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_rb_sentinel_false_unreach_call_false_valid_memtrack_i__wchar_t in dll-rb-sentinel_false-unreach-call_false-valid-memtrack.i [2018-04-10 15:12:56,794 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_rb_sentinel_false_unreach_call_false_valid_memtrack_i__suseconds_t in dll-rb-sentinel_false-unreach-call_false-valid-memtrack.i [2018-04-10 15:12:56,794 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_rb_sentinel_false_unreach_call_false_valid_memtrack_i____gid_t in dll-rb-sentinel_false-unreach-call_false-valid-memtrack.i [2018-04-10 15:12:56,794 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_rb_sentinel_false_unreach_call_false_valid_memtrack_i____quad_t in dll-rb-sentinel_false-unreach-call_false-valid-memtrack.i [2018-04-10 15:12:56,794 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_rb_sentinel_false_unreach_call_false_valid_memtrack_i____int64_t in dll-rb-sentinel_false-unreach-call_false-valid-memtrack.i [2018-04-10 15:12:56,794 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_rb_sentinel_false_unreach_call_false_valid_memtrack_i__pthread_barrier_t in dll-rb-sentinel_false-unreach-call_false-valid-memtrack.i [2018-04-10 15:12:56,794 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_rb_sentinel_false_unreach_call_false_valid_memtrack_i____u_quad_t in dll-rb-sentinel_false-unreach-call_false-valid-memtrack.i [2018-04-10 15:12:56,794 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_rb_sentinel_false_unreach_call_false_valid_memtrack_i__daddr_t in dll-rb-sentinel_false-unreach-call_false-valid-memtrack.i [2018-04-10 15:12:56,794 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_rb_sentinel_false_unreach_call_false_valid_memtrack_i__loff_t in dll-rb-sentinel_false-unreach-call_false-valid-memtrack.i [2018-04-10 15:12:56,794 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_rb_sentinel_false_unreach_call_false_valid_memtrack_i__pthread_t in dll-rb-sentinel_false-unreach-call_false-valid-memtrack.i [2018-04-10 15:12:56,794 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_rb_sentinel_false_unreach_call_false_valid_memtrack_i____fd_mask in dll-rb-sentinel_false-unreach-call_false-valid-memtrack.i [2018-04-10 15:12:56,794 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_rb_sentinel_false_unreach_call_false_valid_memtrack_i__ushort in dll-rb-sentinel_false-unreach-call_false-valid-memtrack.i [2018-04-10 15:12:56,795 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_rb_sentinel_false_unreach_call_false_valid_memtrack_i__u_int8_t in dll-rb-sentinel_false-unreach-call_false-valid-memtrack.i [2018-04-10 15:12:56,795 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_rb_sentinel_false_unreach_call_false_valid_memtrack_i____pid_t in dll-rb-sentinel_false-unreach-call_false-valid-memtrack.i [2018-04-10 15:12:56,795 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_rb_sentinel_false_unreach_call_false_valid_memtrack_i__pthread_condattr_t in dll-rb-sentinel_false-unreach-call_false-valid-memtrack.i [2018-04-10 15:12:56,795 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_rb_sentinel_false_unreach_call_false_valid_memtrack_i____daddr_t in dll-rb-sentinel_false-unreach-call_false-valid-memtrack.i [2018-04-10 15:12:56,795 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_rb_sentinel_false_unreach_call_false_valid_memtrack_i____uint16_t in dll-rb-sentinel_false-unreach-call_false-valid-memtrack.i [2018-04-10 15:12:56,795 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_rb_sentinel_false_unreach_call_false_valid_memtrack_i__int64_t in dll-rb-sentinel_false-unreach-call_false-valid-memtrack.i [2018-04-10 15:12:56,795 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_rb_sentinel_false_unreach_call_false_valid_memtrack_i__ulong in dll-rb-sentinel_false-unreach-call_false-valid-memtrack.i [2018-04-10 15:12:56,795 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_rb_sentinel_false_unreach_call_false_valid_memtrack_i____int8_t in dll-rb-sentinel_false-unreach-call_false-valid-memtrack.i [2018-04-10 15:12:56,795 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_rb_sentinel_false_unreach_call_false_valid_memtrack_i__blkcnt_t in dll-rb-sentinel_false-unreach-call_false-valid-memtrack.i [2018-04-10 15:12:56,795 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_rb_sentinel_false_unreach_call_false_valid_memtrack_i____u_long in dll-rb-sentinel_false-unreach-call_false-valid-memtrack.i [2018-04-10 15:12:56,795 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_rb_sentinel_false_unreach_call_false_valid_memtrack_i____fsblkcnt64_t in dll-rb-sentinel_false-unreach-call_false-valid-memtrack.i [2018-04-10 15:12:56,795 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_rb_sentinel_false_unreach_call_false_valid_memtrack_i__u_short in dll-rb-sentinel_false-unreach-call_false-valid-memtrack.i [2018-04-10 15:12:56,795 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_rb_sentinel_false_unreach_call_false_valid_memtrack_i__u_char in dll-rb-sentinel_false-unreach-call_false-valid-memtrack.i [2018-04-10 15:12:56,795 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_rb_sentinel_false_unreach_call_false_valid_memtrack_i__gid_t in dll-rb-sentinel_false-unreach-call_false-valid-memtrack.i [2018-04-10 15:12:56,796 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_rb_sentinel_false_unreach_call_false_valid_memtrack_i__off_t in dll-rb-sentinel_false-unreach-call_false-valid-memtrack.i [2018-04-10 15:12:56,796 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_rb_sentinel_false_unreach_call_false_valid_memtrack_i____caddr_t in dll-rb-sentinel_false-unreach-call_false-valid-memtrack.i [2018-04-10 15:12:56,796 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_rb_sentinel_false_unreach_call_false_valid_memtrack_i__pid_t in dll-rb-sentinel_false-unreach-call_false-valid-memtrack.i [2018-04-10 15:12:56,796 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_rb_sentinel_false_unreach_call_false_valid_memtrack_i__pthread_attr_t in dll-rb-sentinel_false-unreach-call_false-valid-memtrack.i [2018-04-10 15:12:56,796 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_rb_sentinel_false_unreach_call_false_valid_memtrack_i____socklen_t in dll-rb-sentinel_false-unreach-call_false-valid-memtrack.i [2018-04-10 15:12:56,796 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_rb_sentinel_false_unreach_call_false_valid_memtrack_i__clock_t in dll-rb-sentinel_false-unreach-call_false-valid-memtrack.i [2018-04-10 15:12:56,796 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_rb_sentinel_false_unreach_call_false_valid_memtrack_i____mode_t in dll-rb-sentinel_false-unreach-call_false-valid-memtrack.i [2018-04-10 15:12:56,796 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_rb_sentinel_false_unreach_call_false_valid_memtrack_i__blksize_t in dll-rb-sentinel_false-unreach-call_false-valid-memtrack.i [2018-04-10 15:12:56,796 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_rb_sentinel_false_unreach_call_false_valid_memtrack_i__int16_t in dll-rb-sentinel_false-unreach-call_false-valid-memtrack.i [2018-04-10 15:12:56,796 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_rb_sentinel_false_unreach_call_false_valid_memtrack_i__u_long in dll-rb-sentinel_false-unreach-call_false-valid-memtrack.i [2018-04-10 15:12:56,797 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_rb_sentinel_false_unreach_call_false_valid_memtrack_i____intptr_t in dll-rb-sentinel_false-unreach-call_false-valid-memtrack.i [2018-04-10 15:12:56,797 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_rb_sentinel_false_unreach_call_false_valid_memtrack_i____fsid_t in dll-rb-sentinel_false-unreach-call_false-valid-memtrack.i [2018-04-10 15:12:56,797 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_rb_sentinel_false_unreach_call_false_valid_memtrack_i__size_t in dll-rb-sentinel_false-unreach-call_false-valid-memtrack.i [2018-04-10 15:12:56,797 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_rb_sentinel_false_unreach_call_false_valid_memtrack_i__pthread_once_t in dll-rb-sentinel_false-unreach-call_false-valid-memtrack.i [2018-04-10 15:12:56,797 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_rb_sentinel_false_unreach_call_false_valid_memtrack_i____uint32_t in dll-rb-sentinel_false-unreach-call_false-valid-memtrack.i [2018-04-10 15:12:56,797 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_rb_sentinel_false_unreach_call_false_valid_memtrack_i____int16_t in dll-rb-sentinel_false-unreach-call_false-valid-memtrack.i [2018-04-10 15:12:56,797 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_rb_sentinel_false_unreach_call_false_valid_memtrack_i____sigset_t in dll-rb-sentinel_false-unreach-call_false-valid-memtrack.i [2018-04-10 15:12:56,797 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_rb_sentinel_false_unreach_call_false_valid_memtrack_i____ino_t in dll-rb-sentinel_false-unreach-call_false-valid-memtrack.i [2018-04-10 15:12:56,797 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_rb_sentinel_false_unreach_call_false_valid_memtrack_i__mode_t in dll-rb-sentinel_false-unreach-call_false-valid-memtrack.i [2018-04-10 15:12:56,797 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_rb_sentinel_false_unreach_call_false_valid_memtrack_i____int32_t in dll-rb-sentinel_false-unreach-call_false-valid-memtrack.i [2018-04-10 15:12:56,797 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_rb_sentinel_false_unreach_call_false_valid_memtrack_i__caddr_t in dll-rb-sentinel_false-unreach-call_false-valid-memtrack.i [2018-04-10 15:12:56,798 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_rb_sentinel_false_unreach_call_false_valid_memtrack_i__div_t in dll-rb-sentinel_false-unreach-call_false-valid-memtrack.i [2018-04-10 15:12:56,798 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_rb_sentinel_false_unreach_call_false_valid_memtrack_i____suseconds_t in dll-rb-sentinel_false-unreach-call_false-valid-memtrack.i [2018-04-10 15:12:56,798 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_rb_sentinel_false_unreach_call_false_valid_memtrack_i__time_t in dll-rb-sentinel_false-unreach-call_false-valid-memtrack.i [2018-04-10 15:12:56,798 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_rb_sentinel_false_unreach_call_false_valid_memtrack_i____pthread_slist_t in dll-rb-sentinel_false-unreach-call_false-valid-memtrack.i [2018-04-10 15:12:56,798 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_rb_sentinel_false_unreach_call_false_valid_memtrack_i__key_t in dll-rb-sentinel_false-unreach-call_false-valid-memtrack.i [2018-04-10 15:12:56,798 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_rb_sentinel_false_unreach_call_false_valid_memtrack_i__pthread_mutex_t in dll-rb-sentinel_false-unreach-call_false-valid-memtrack.i [2018-04-10 15:12:56,798 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_rb_sentinel_false_unreach_call_false_valid_memtrack_i__fd_set in dll-rb-sentinel_false-unreach-call_false-valid-memtrack.i [2018-04-10 15:12:56,798 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_rb_sentinel_false_unreach_call_false_valid_memtrack_i__lldiv_t in dll-rb-sentinel_false-unreach-call_false-valid-memtrack.i [2018-04-10 15:12:56,798 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_rb_sentinel_false_unreach_call_false_valid_memtrack_i__uid_t in dll-rb-sentinel_false-unreach-call_false-valid-memtrack.i [2018-04-10 15:12:56,798 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_rb_sentinel_false_unreach_call_false_valid_memtrack_i____rlim_t in dll-rb-sentinel_false-unreach-call_false-valid-memtrack.i [2018-04-10 15:12:56,799 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_rb_sentinel_false_unreach_call_false_valid_memtrack_i__idtype_t in dll-rb-sentinel_false-unreach-call_false-valid-memtrack.i [2018-04-10 15:12:56,799 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_rb_sentinel_false_unreach_call_false_valid_memtrack_i____u_short in dll-rb-sentinel_false-unreach-call_false-valid-memtrack.i [2018-04-10 15:12:56,799 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_rb_sentinel_false_unreach_call_false_valid_memtrack_i____dev_t in dll-rb-sentinel_false-unreach-call_false-valid-memtrack.i [2018-04-10 15:12:56,799 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_rb_sentinel_false_unreach_call_false_valid_memtrack_i____syscall_ulong_t in dll-rb-sentinel_false-unreach-call_false-valid-memtrack.i [2018-04-10 15:12:56,799 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_rb_sentinel_false_unreach_call_false_valid_memtrack_i____blksize_t in dll-rb-sentinel_false-unreach-call_false-valid-memtrack.i [2018-04-10 15:12:56,799 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_rb_sentinel_false_unreach_call_false_valid_memtrack_i__int8_t in dll-rb-sentinel_false-unreach-call_false-valid-memtrack.i [2018-04-10 15:12:56,799 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_rb_sentinel_false_unreach_call_false_valid_memtrack_i____id_t in dll-rb-sentinel_false-unreach-call_false-valid-memtrack.i [2018-04-10 15:12:56,799 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_rb_sentinel_false_unreach_call_false_valid_memtrack_i____ssize_t in dll-rb-sentinel_false-unreach-call_false-valid-memtrack.i [2018-04-10 15:12:56,799 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_rb_sentinel_false_unreach_call_false_valid_memtrack_i____off64_t in dll-rb-sentinel_false-unreach-call_false-valid-memtrack.i [2018-04-10 15:12:56,799 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_rb_sentinel_false_unreach_call_false_valid_memtrack_i____time_t in dll-rb-sentinel_false-unreach-call_false-valid-memtrack.i [2018-04-10 15:12:56,799 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_rb_sentinel_false_unreach_call_false_valid_memtrack_i__u_int64_t in dll-rb-sentinel_false-unreach-call_false-valid-memtrack.i [2018-04-10 15:12:56,800 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_rb_sentinel_false_unreach_call_false_valid_memtrack_i____u_char in dll-rb-sentinel_false-unreach-call_false-valid-memtrack.i [2018-04-10 15:12:56,800 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_rb_sentinel_false_unreach_call_false_valid_memtrack_i__u_quad_t in dll-rb-sentinel_false-unreach-call_false-valid-memtrack.i [2018-04-10 15:12:56,800 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_rb_sentinel_false_unreach_call_false_valid_memtrack_i____rlim64_t in dll-rb-sentinel_false-unreach-call_false-valid-memtrack.i [2018-04-10 15:12:56,800 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_rb_sentinel_false_unreach_call_false_valid_memtrack_i____fsfilcnt_t in dll-rb-sentinel_false-unreach-call_false-valid-memtrack.i [2018-04-10 15:12:56,800 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_rb_sentinel_false_unreach_call_false_valid_memtrack_i__pthread_mutexattr_t in dll-rb-sentinel_false-unreach-call_false-valid-memtrack.i [2018-04-10 15:12:56,800 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_rb_sentinel_false_unreach_call_false_valid_memtrack_i__fsblkcnt_t in dll-rb-sentinel_false-unreach-call_false-valid-memtrack.i [2018-04-10 15:12:56,800 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_rb_sentinel_false_unreach_call_false_valid_memtrack_i____timer_t in dll-rb-sentinel_false-unreach-call_false-valid-memtrack.i [2018-04-10 15:12:56,800 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_rb_sentinel_false_unreach_call_false_valid_memtrack_i____qaddr_t in dll-rb-sentinel_false-unreach-call_false-valid-memtrack.i [2018-04-10 15:12:56,800 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_rb_sentinel_false_unreach_call_false_valid_memtrack_i__u_int in dll-rb-sentinel_false-unreach-call_false-valid-memtrack.i [2018-04-10 15:12:56,800 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_rb_sentinel_false_unreach_call_false_valid_memtrack_i__register_t in dll-rb-sentinel_false-unreach-call_false-valid-memtrack.i [2018-04-10 15:12:56,800 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_rb_sentinel_false_unreach_call_false_valid_memtrack_i__pthread_barrierattr_t in dll-rb-sentinel_false-unreach-call_false-valid-memtrack.i [2018-04-10 15:12:56,800 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_rb_sentinel_false_unreach_call_false_valid_memtrack_i__timer_t in dll-rb-sentinel_false-unreach-call_false-valid-memtrack.i [2018-04-10 15:12:56,800 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_rb_sentinel_false_unreach_call_false_valid_memtrack_i__u_int32_t in dll-rb-sentinel_false-unreach-call_false-valid-memtrack.i [2018-04-10 15:12:56,800 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_rb_sentinel_false_unreach_call_false_valid_memtrack_i__Colour in dll-rb-sentinel_false-unreach-call_false-valid-memtrack.i [2018-04-10 15:12:56,801 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_rb_sentinel_false_unreach_call_false_valid_memtrack_i__ssize_t in dll-rb-sentinel_false-unreach-call_false-valid-memtrack.i [2018-04-10 15:12:56,801 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_rb_sentinel_false_unreach_call_false_valid_memtrack_i____blkcnt64_t in dll-rb-sentinel_false-unreach-call_false-valid-memtrack.i [2018-04-10 15:12:56,801 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_rb_sentinel_false_unreach_call_false_valid_memtrack_i__pthread_rwlockattr_t in dll-rb-sentinel_false-unreach-call_false-valid-memtrack.i [2018-04-10 15:12:56,801 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_rb_sentinel_false_unreach_call_false_valid_memtrack_i__ldiv_t in dll-rb-sentinel_false-unreach-call_false-valid-memtrack.i [2018-04-10 15:12:56,801 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_rb_sentinel_false_unreach_call_false_valid_memtrack_i____uint64_t in dll-rb-sentinel_false-unreach-call_false-valid-memtrack.i [2018-04-10 15:12:56,801 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_rb_sentinel_false_unreach_call_false_valid_memtrack_i____fsword_t in dll-rb-sentinel_false-unreach-call_false-valid-memtrack.i [2018-04-10 15:12:56,801 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_rb_sentinel_false_unreach_call_false_valid_memtrack_i__ino_t in dll-rb-sentinel_false-unreach-call_false-valid-memtrack.i [2018-04-10 15:12:56,801 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_rb_sentinel_false_unreach_call_false_valid_memtrack_i__int32_t in dll-rb-sentinel_false-unreach-call_false-valid-memtrack.i [2018-04-10 15:12:56,801 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_rb_sentinel_false_unreach_call_false_valid_memtrack_i____sig_atomic_t in dll-rb-sentinel_false-unreach-call_false-valid-memtrack.i [2018-04-10 15:12:56,801 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_rb_sentinel_false_unreach_call_false_valid_memtrack_i____nlink_t in dll-rb-sentinel_false-unreach-call_false-valid-memtrack.i [2018-04-10 15:12:56,801 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_rb_sentinel_false_unreach_call_false_valid_memtrack_i____fsfilcnt64_t in dll-rb-sentinel_false-unreach-call_false-valid-memtrack.i [2018-04-10 15:12:56,801 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_rb_sentinel_false_unreach_call_false_valid_memtrack_i____fsblkcnt_t in dll-rb-sentinel_false-unreach-call_false-valid-memtrack.i [2018-04-10 15:12:56,801 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_rb_sentinel_false_unreach_call_false_valid_memtrack_i____off_t in dll-rb-sentinel_false-unreach-call_false-valid-memtrack.i [2018-04-10 15:12:56,801 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_rb_sentinel_false_unreach_call_false_valid_memtrack_i__pthread_key_t in dll-rb-sentinel_false-unreach-call_false-valid-memtrack.i [2018-04-10 15:12:56,801 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_rb_sentinel_false_unreach_call_false_valid_memtrack_i__fsfilcnt_t in dll-rb-sentinel_false-unreach-call_false-valid-memtrack.i [2018-04-10 15:12:56,801 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_rb_sentinel_false_unreach_call_false_valid_memtrack_i____ino64_t in dll-rb-sentinel_false-unreach-call_false-valid-memtrack.i [2018-04-10 15:12:56,801 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_rb_sentinel_false_unreach_call_false_valid_memtrack_i__pthread_rwlock_t in dll-rb-sentinel_false-unreach-call_false-valid-memtrack.i [2018-04-10 15:12:56,801 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_rb_sentinel_false_unreach_call_false_valid_memtrack_i__nlink_t in dll-rb-sentinel_false-unreach-call_false-valid-memtrack.i [2018-04-10 15:12:56,801 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_rb_sentinel_false_unreach_call_false_valid_memtrack_i____uid_t in dll-rb-sentinel_false-unreach-call_false-valid-memtrack.i [2018-04-10 15:12:56,802 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_rb_sentinel_false_unreach_call_false_valid_memtrack_i__uint in dll-rb-sentinel_false-unreach-call_false-valid-memtrack.i [2018-04-10 15:12:56,802 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_rb_sentinel_false_unreach_call_false_valid_memtrack_i__dev_t in dll-rb-sentinel_false-unreach-call_false-valid-memtrack.i [2018-04-10 15:12:56,802 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_rb_sentinel_false_unreach_call_false_valid_memtrack_i__sigset_t in dll-rb-sentinel_false-unreach-call_false-valid-memtrack.i [2018-04-10 15:12:56,802 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_rb_sentinel_false_unreach_call_false_valid_memtrack_i__id_t in dll-rb-sentinel_false-unreach-call_false-valid-memtrack.i [2018-04-10 15:12:56,827 INFO L330 CDTParser]: Deleted temporary CDT project at /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/data/FLAG058e2cd32 [2018-04-10 15:12:56,830 INFO L304 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-04-10 15:12:56,831 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-04-10 15:12:56,831 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-04-10 15:12:56,832 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-04-10 15:12:56,836 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-04-10 15:12:56,836 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.04 03:12:56" (1/1) ... [2018-04-10 15:12:56,838 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@20908cff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.04 03:12:56, skipping insertion in model container [2018-04-10 15:12:56,838 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.04 03:12:56" (1/1) ... [2018-04-10 15:12:56,849 INFO L167 Dispatcher]: Using SV-COMP mode [2018-04-10 15:12:56,875 INFO L167 Dispatcher]: Using SV-COMP mode [2018-04-10 15:12:56,997 INFO L175 PostProcessor]: Settings: Checked method=main [2018-04-10 15:12:57,039 INFO L175 PostProcessor]: Settings: Checked method=main [2018-04-10 15:12:57,045 INFO L100 SccComputation]: Graph consists of 0 InCaSumBalls and 115 non ball SCCs. Number of states in SCCs 115. [2018-04-10 15:12:57,084 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.04 03:12:57 WrapperNode [2018-04-10 15:12:57,084 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-04-10 15:12:57,084 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-04-10 15:12:57,085 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-04-10 15:12:57,085 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-04-10 15:12:57,093 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.04 03:12:57" (1/1) ... [2018-04-10 15:12:57,093 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.04 03:12:57" (1/1) ... [2018-04-10 15:12:57,105 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.04 03:12:57" (1/1) ... [2018-04-10 15:12:57,105 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.04 03:12:57" (1/1) ... [2018-04-10 15:12:57,115 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.04 03:12:57" (1/1) ... [2018-04-10 15:12:57,122 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.04 03:12:57" (1/1) ... [2018-04-10 15:12:57,125 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.04 03:12:57" (1/1) ... [2018-04-10 15:12:57,128 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-04-10 15:12:57,129 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-04-10 15:12:57,129 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-04-10 15:12:57,129 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-04-10 15:12:57,130 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.04 03:12:57" (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 [2018-04-10 15:12:57,218 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-04-10 15:12:57,218 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-04-10 15:12:57,218 INFO L136 BoogieDeclarations]: Found implementation of procedure main [2018-04-10 15:12:57,218 INFO L128 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2018-04-10 15:12:57,219 INFO L128 BoogieDeclarations]: Found specification of procedure atof [2018-04-10 15:12:57,219 INFO L128 BoogieDeclarations]: Found specification of procedure atoi [2018-04-10 15:12:57,219 INFO L128 BoogieDeclarations]: Found specification of procedure atol [2018-04-10 15:12:57,219 INFO L128 BoogieDeclarations]: Found specification of procedure atoll [2018-04-10 15:12:57,219 INFO L128 BoogieDeclarations]: Found specification of procedure strtod [2018-04-10 15:12:57,219 INFO L128 BoogieDeclarations]: Found specification of procedure strtof [2018-04-10 15:12:57,219 INFO L128 BoogieDeclarations]: Found specification of procedure strtold [2018-04-10 15:12:57,219 INFO L128 BoogieDeclarations]: Found specification of procedure strtol [2018-04-10 15:12:57,219 INFO L128 BoogieDeclarations]: Found specification of procedure strtoul [2018-04-10 15:12:57,219 INFO L128 BoogieDeclarations]: Found specification of procedure strtoq [2018-04-10 15:12:57,219 INFO L128 BoogieDeclarations]: Found specification of procedure strtouq [2018-04-10 15:12:57,220 INFO L128 BoogieDeclarations]: Found specification of procedure strtoll [2018-04-10 15:12:57,220 INFO L128 BoogieDeclarations]: Found specification of procedure strtoull [2018-04-10 15:12:57,220 INFO L128 BoogieDeclarations]: Found specification of procedure l64a [2018-04-10 15:12:57,220 INFO L128 BoogieDeclarations]: Found specification of procedure a64l [2018-04-10 15:12:57,220 INFO L128 BoogieDeclarations]: Found specification of procedure select [2018-04-10 15:12:57,220 INFO L128 BoogieDeclarations]: Found specification of procedure pselect [2018-04-10 15:12:57,220 INFO L128 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2018-04-10 15:12:57,220 INFO L128 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2018-04-10 15:12:57,220 INFO L128 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2018-04-10 15:12:57,220 INFO L128 BoogieDeclarations]: Found specification of procedure random [2018-04-10 15:12:57,221 INFO L128 BoogieDeclarations]: Found specification of procedure srandom [2018-04-10 15:12:57,221 INFO L128 BoogieDeclarations]: Found specification of procedure initstate [2018-04-10 15:12:57,221 INFO L128 BoogieDeclarations]: Found specification of procedure setstate [2018-04-10 15:12:57,221 INFO L128 BoogieDeclarations]: Found specification of procedure random_r [2018-04-10 15:12:57,221 INFO L128 BoogieDeclarations]: Found specification of procedure srandom_r [2018-04-10 15:12:57,221 INFO L128 BoogieDeclarations]: Found specification of procedure initstate_r [2018-04-10 15:12:57,221 INFO L128 BoogieDeclarations]: Found specification of procedure setstate_r [2018-04-10 15:12:57,221 INFO L128 BoogieDeclarations]: Found specification of procedure rand [2018-04-10 15:12:57,221 INFO L128 BoogieDeclarations]: Found specification of procedure srand [2018-04-10 15:12:57,222 INFO L128 BoogieDeclarations]: Found specification of procedure rand_r [2018-04-10 15:12:57,222 INFO L128 BoogieDeclarations]: Found specification of procedure drand48 [2018-04-10 15:12:57,222 INFO L128 BoogieDeclarations]: Found specification of procedure erand48 [2018-04-10 15:12:57,222 INFO L128 BoogieDeclarations]: Found specification of procedure lrand48 [2018-04-10 15:12:57,222 INFO L128 BoogieDeclarations]: Found specification of procedure nrand48 [2018-04-10 15:12:57,222 INFO L128 BoogieDeclarations]: Found specification of procedure mrand48 [2018-04-10 15:12:57,222 INFO L128 BoogieDeclarations]: Found specification of procedure jrand48 [2018-04-10 15:12:57,222 INFO L128 BoogieDeclarations]: Found specification of procedure srand48 [2018-04-10 15:12:57,222 INFO L128 BoogieDeclarations]: Found specification of procedure seed48 [2018-04-10 15:12:57,223 INFO L128 BoogieDeclarations]: Found specification of procedure lcong48 [2018-04-10 15:12:57,223 INFO L128 BoogieDeclarations]: Found specification of procedure drand48_r [2018-04-10 15:12:57,223 INFO L128 BoogieDeclarations]: Found specification of procedure erand48_r [2018-04-10 15:12:57,223 INFO L128 BoogieDeclarations]: Found specification of procedure lrand48_r [2018-04-10 15:12:57,223 INFO L128 BoogieDeclarations]: Found specification of procedure nrand48_r [2018-04-10 15:12:57,223 INFO L128 BoogieDeclarations]: Found specification of procedure mrand48_r [2018-04-10 15:12:57,223 INFO L128 BoogieDeclarations]: Found specification of procedure jrand48_r [2018-04-10 15:12:57,223 INFO L128 BoogieDeclarations]: Found specification of procedure srand48_r [2018-04-10 15:12:57,223 INFO L128 BoogieDeclarations]: Found specification of procedure seed48_r [2018-04-10 15:12:57,223 INFO L128 BoogieDeclarations]: Found specification of procedure lcong48_r [2018-04-10 15:12:57,224 INFO L128 BoogieDeclarations]: Found specification of procedure malloc [2018-04-10 15:12:57,224 INFO L128 BoogieDeclarations]: Found specification of procedure calloc [2018-04-10 15:12:57,224 INFO L128 BoogieDeclarations]: Found specification of procedure realloc [2018-04-10 15:12:57,224 INFO L128 BoogieDeclarations]: Found specification of procedure free [2018-04-10 15:12:57,224 INFO L128 BoogieDeclarations]: Found specification of procedure cfree [2018-04-10 15:12:57,224 INFO L128 BoogieDeclarations]: Found specification of procedure alloca [2018-04-10 15:12:57,224 INFO L128 BoogieDeclarations]: Found specification of procedure valloc [2018-04-10 15:12:57,224 INFO L128 BoogieDeclarations]: Found specification of procedure posix_memalign [2018-04-10 15:12:57,224 INFO L128 BoogieDeclarations]: Found specification of procedure aligned_alloc [2018-04-10 15:12:57,224 INFO L128 BoogieDeclarations]: Found specification of procedure abort [2018-04-10 15:12:57,225 INFO L128 BoogieDeclarations]: Found specification of procedure atexit [2018-04-10 15:12:57,225 INFO L128 BoogieDeclarations]: Found specification of procedure at_quick_exit [2018-04-10 15:12:57,225 INFO L128 BoogieDeclarations]: Found specification of procedure on_exit [2018-04-10 15:12:57,225 INFO L128 BoogieDeclarations]: Found specification of procedure exit [2018-04-10 15:12:57,225 INFO L128 BoogieDeclarations]: Found specification of procedure quick_exit [2018-04-10 15:12:57,225 INFO L128 BoogieDeclarations]: Found specification of procedure _Exit [2018-04-10 15:12:57,225 INFO L128 BoogieDeclarations]: Found specification of procedure getenv [2018-04-10 15:12:57,225 INFO L128 BoogieDeclarations]: Found specification of procedure putenv [2018-04-10 15:12:57,225 INFO L128 BoogieDeclarations]: Found specification of procedure setenv [2018-04-10 15:12:57,225 INFO L128 BoogieDeclarations]: Found specification of procedure unsetenv [2018-04-10 15:12:57,225 INFO L128 BoogieDeclarations]: Found specification of procedure clearenv [2018-04-10 15:12:57,226 INFO L128 BoogieDeclarations]: Found specification of procedure mktemp [2018-04-10 15:12:57,226 INFO L128 BoogieDeclarations]: Found specification of procedure mkstemp [2018-04-10 15:12:57,226 INFO L128 BoogieDeclarations]: Found specification of procedure mkstemps [2018-04-10 15:12:57,226 INFO L128 BoogieDeclarations]: Found specification of procedure mkdtemp [2018-04-10 15:12:57,226 INFO L128 BoogieDeclarations]: Found specification of procedure system [2018-04-10 15:12:57,226 INFO L128 BoogieDeclarations]: Found specification of procedure realpath [2018-04-10 15:12:57,226 INFO L128 BoogieDeclarations]: Found specification of procedure bsearch [2018-04-10 15:12:57,226 INFO L128 BoogieDeclarations]: Found specification of procedure qsort [2018-04-10 15:12:57,226 INFO L128 BoogieDeclarations]: Found specification of procedure abs [2018-04-10 15:12:57,226 INFO L128 BoogieDeclarations]: Found specification of procedure labs [2018-04-10 15:12:57,227 INFO L128 BoogieDeclarations]: Found specification of procedure llabs [2018-04-10 15:12:57,227 INFO L128 BoogieDeclarations]: Found specification of procedure div [2018-04-10 15:12:57,227 INFO L128 BoogieDeclarations]: Found specification of procedure ldiv [2018-04-10 15:12:57,227 INFO L128 BoogieDeclarations]: Found specification of procedure lldiv [2018-04-10 15:12:57,227 INFO L128 BoogieDeclarations]: Found specification of procedure ecvt [2018-04-10 15:12:57,227 INFO L128 BoogieDeclarations]: Found specification of procedure fcvt [2018-04-10 15:12:57,227 INFO L128 BoogieDeclarations]: Found specification of procedure gcvt [2018-04-10 15:12:57,227 INFO L128 BoogieDeclarations]: Found specification of procedure qecvt [2018-04-10 15:12:57,227 INFO L128 BoogieDeclarations]: Found specification of procedure qfcvt [2018-04-10 15:12:57,227 INFO L128 BoogieDeclarations]: Found specification of procedure qgcvt [2018-04-10 15:12:57,227 INFO L128 BoogieDeclarations]: Found specification of procedure ecvt_r [2018-04-10 15:12:57,228 INFO L128 BoogieDeclarations]: Found specification of procedure fcvt_r [2018-04-10 15:12:57,228 INFO L128 BoogieDeclarations]: Found specification of procedure qecvt_r [2018-04-10 15:12:57,228 INFO L128 BoogieDeclarations]: Found specification of procedure qfcvt_r [2018-04-10 15:12:57,228 INFO L128 BoogieDeclarations]: Found specification of procedure mblen [2018-04-10 15:12:57,228 INFO L128 BoogieDeclarations]: Found specification of procedure mbtowc [2018-04-10 15:12:57,228 INFO L128 BoogieDeclarations]: Found specification of procedure wctomb [2018-04-10 15:12:57,228 INFO L128 BoogieDeclarations]: Found specification of procedure mbstowcs [2018-04-10 15:12:57,228 INFO L128 BoogieDeclarations]: Found specification of procedure wcstombs [2018-04-10 15:12:57,228 INFO L128 BoogieDeclarations]: Found specification of procedure rpmatch [2018-04-10 15:12:57,228 INFO L128 BoogieDeclarations]: Found specification of procedure getsubopt [2018-04-10 15:12:57,229 INFO L128 BoogieDeclarations]: Found specification of procedure getloadavg [2018-04-10 15:12:57,229 INFO L128 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-04-10 15:12:57,229 INFO L128 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-04-10 15:12:57,229 INFO L128 BoogieDeclarations]: Found specification of procedure main [2018-04-10 15:12:57,229 INFO L128 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-04-10 15:12:57,229 INFO L128 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2018-04-10 15:12:57,229 INFO L128 BoogieDeclarations]: Found specification of procedure write~int [2018-04-10 15:12:57,229 INFO L128 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2018-04-10 15:12:57,229 INFO L128 BoogieDeclarations]: Found specification of procedure read~int [2018-04-10 15:12:57,229 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-04-10 15:12:57,229 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-04-10 15:12:57,230 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-04-10 15:12:57,230 INFO L128 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2018-04-10 15:12:57,716 INFO L259 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-04-10 15:12:57,716 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.04 03:12:57 BoogieIcfgContainer [2018-04-10 15:12:57,716 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-04-10 15:12:57,717 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-04-10 15:12:57,717 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-04-10 15:12:57,719 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-04-10 15:12:57,719 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.04 03:12:56" (1/3) ... [2018-04-10 15:12:57,719 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3b025d10 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.04 03:12:57, skipping insertion in model container [2018-04-10 15:12:57,719 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.04 03:12:57" (2/3) ... [2018-04-10 15:12:57,719 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3b025d10 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.04 03:12:57, skipping insertion in model container [2018-04-10 15:12:57,719 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.04 03:12:57" (3/3) ... [2018-04-10 15:12:57,721 INFO L107 eAbstractionObserver]: Analyzing ICFG dll-rb-sentinel_false-unreach-call_false-valid-memtrack.i [2018-04-10 15:12:57,726 INFO L131 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:Craig_TreeInterpolation Determinization: PREDICATE_ABSTRACTION [2018-04-10 15:12:57,731 INFO L143 ceAbstractionStarter]: Appying trace abstraction to program that has 67 error locations. [2018-04-10 15:12:57,753 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2018-04-10 15:12:57,753 INFO L369 AbstractCegarLoop]: Interprodecural is true [2018-04-10 15:12:57,753 INFO L370 AbstractCegarLoop]: Hoare is false [2018-04-10 15:12:57,753 INFO L371 AbstractCegarLoop]: Compute interpolants for Craig_TreeInterpolation [2018-04-10 15:12:57,753 INFO L372 AbstractCegarLoop]: Backedges is CANONICAL [2018-04-10 15:12:57,753 INFO L373 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-04-10 15:12:57,753 INFO L374 AbstractCegarLoop]: Difference is false [2018-04-10 15:12:57,753 INFO L375 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-04-10 15:12:57,753 INFO L380 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-04-10 15:12:57,754 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-04-10 15:12:57,764 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states. [2018-04-10 15:12:57,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-04-10 15:12:57,770 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 15:12:57,770 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2018-04-10 15:12:57,770 INFO L408 AbstractCegarLoop]: === Iteration 1 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr66EnsuresViolationMEMORY_LEAK, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr56AssertViolationMEMORY_FREE, mainErr11RequiresViolation, mainErr63RequiresViolation, mainErr61AssertViolationMEMORY_FREE, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr64AssertViolationMEMORY_FREE, mainErr32RequiresViolation, mainErr57AssertViolationMEMORY_FREE, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60AssertViolationMEMORY_FREE, mainErr9RequiresViolation, mainErr65AssertViolationMEMORY_FREE, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-04-10 15:12:57,773 INFO L82 PathProgramCache]: Analyzing trace with hash 174214734, now seen corresponding path program 1 times [2018-04-10 15:12:57,807 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-10 15:12:57,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 15:12:57,830 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-10 15:12:57,864 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:12:57,865 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-10 15:12:57,865 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-04-10 15:12:57,866 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-10 15:12:57,866 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:12:57,867 INFO L182 omatonBuilderFactory]: Interpolants [169#true, 170#false, 171#(= 1 (select |#valid| |main_#t~malloc0.base|)), 172#(= 1 (select |#valid| main_~null~0.base))] [2018-04-10 15:12:57,867 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:12:57,868 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-04-10 15:12:57,875 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-04-10 15:12:57,876 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-04-10 15:12:57,878 INFO L87 Difference]: Start difference. First operand 166 states. Second operand 4 states. [2018-04-10 15:12:58,099 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 15:12:58,099 INFO L93 Difference]: Finished difference Result 191 states and 198 transitions. [2018-04-10 15:12:58,103 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-04-10 15:12:58,104 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 8 [2018-04-10 15:12:58,104 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 15:12:58,112 INFO L225 Difference]: With dead ends: 191 [2018-04-10 15:12:58,113 INFO L226 Difference]: Without dead ends: 187 [2018-04-10 15:12:58,114 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-04-10 15:12:58,128 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 187 states. [2018-04-10 15:12:58,148 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 187 to 160. [2018-04-10 15:12:58,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 160 states. [2018-04-10 15:12:58,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 160 states and 165 transitions. [2018-04-10 15:12:58,152 INFO L78 Accepts]: Start accepts. Automaton has 160 states and 165 transitions. Word has length 8 [2018-04-10 15:12:58,152 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 15:12:58,152 INFO L459 AbstractCegarLoop]: Abstraction has 160 states and 165 transitions. [2018-04-10 15:12:58,152 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-04-10 15:12:58,153 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 165 transitions. [2018-04-10 15:12:58,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-04-10 15:12:58,153 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 15:12:58,153 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2018-04-10 15:12:58,153 INFO L408 AbstractCegarLoop]: === Iteration 2 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr66EnsuresViolationMEMORY_LEAK, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr56AssertViolationMEMORY_FREE, mainErr11RequiresViolation, mainErr63RequiresViolation, mainErr61AssertViolationMEMORY_FREE, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr64AssertViolationMEMORY_FREE, mainErr32RequiresViolation, mainErr57AssertViolationMEMORY_FREE, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60AssertViolationMEMORY_FREE, mainErr9RequiresViolation, mainErr65AssertViolationMEMORY_FREE, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-04-10 15:12:58,153 INFO L82 PathProgramCache]: Analyzing trace with hash 174214735, now seen corresponding path program 1 times [2018-04-10 15:12:58,155 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-10 15:12:58,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 15:12:58,166 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-10 15:12:58,209 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:12:58,209 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-10 15:12:58,209 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-04-10 15:12:58,210 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-10 15:12:58,210 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:12:58,210 INFO L182 omatonBuilderFactory]: Interpolants [528#(and (= 0 |main_#t~malloc0.offset|) (= 12 (select |#length| |main_#t~malloc0.base|))), 529#(and (= 12 (select |#length| main_~null~0.base)) (= main_~null~0.offset 0)), 526#true, 527#false] [2018-04-10 15:12:58,210 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:12:58,212 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-04-10 15:12:58,212 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-04-10 15:12:58,212 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-04-10 15:12:58,212 INFO L87 Difference]: Start difference. First operand 160 states and 165 transitions. Second operand 4 states. [2018-04-10 15:12:58,307 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 15:12:58,307 INFO L93 Difference]: Finished difference Result 157 states and 162 transitions. [2018-04-10 15:12:58,309 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-04-10 15:12:58,309 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 8 [2018-04-10 15:12:58,310 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 15:12:58,311 INFO L225 Difference]: With dead ends: 157 [2018-04-10 15:12:58,311 INFO L226 Difference]: Without dead ends: 157 [2018-04-10 15:12:58,311 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-04-10 15:12:58,312 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 157 states. [2018-04-10 15:12:58,317 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 157 to 157. [2018-04-10 15:12:58,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 157 states. [2018-04-10 15:12:58,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 157 states and 162 transitions. [2018-04-10 15:12:58,319 INFO L78 Accepts]: Start accepts. Automaton has 157 states and 162 transitions. Word has length 8 [2018-04-10 15:12:58,319 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 15:12:58,320 INFO L459 AbstractCegarLoop]: Abstraction has 157 states and 162 transitions. [2018-04-10 15:12:58,320 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-04-10 15:12:58,320 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 162 transitions. [2018-04-10 15:12:58,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-04-10 15:12:58,320 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 15:12:58,320 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-10 15:12:58,320 INFO L408 AbstractCegarLoop]: === Iteration 3 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr66EnsuresViolationMEMORY_LEAK, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr56AssertViolationMEMORY_FREE, mainErr11RequiresViolation, mainErr63RequiresViolation, mainErr61AssertViolationMEMORY_FREE, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr64AssertViolationMEMORY_FREE, mainErr32RequiresViolation, mainErr57AssertViolationMEMORY_FREE, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60AssertViolationMEMORY_FREE, mainErr9RequiresViolation, mainErr65AssertViolationMEMORY_FREE, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-04-10 15:12:58,321 INFO L82 PathProgramCache]: Analyzing trace with hash -1062536033, now seen corresponding path program 1 times [2018-04-10 15:12:58,322 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-10 15:12:58,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 15:12:58,334 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-10 15:12:58,359 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:12:58,359 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-10 15:12:58,360 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-04-10 15:12:58,360 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-10 15:12:58,360 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:12:58,360 INFO L182 omatonBuilderFactory]: Interpolants [848#(= 1 (select |#valid| |main_#t~malloc1.base|)), 849#(= 1 (select |#valid| main_~list~0.base)), 846#true, 847#false] [2018-04-10 15:12:58,361 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:12:58,361 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-04-10 15:12:58,361 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-04-10 15:12:58,361 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-04-10 15:12:58,361 INFO L87 Difference]: Start difference. First operand 157 states and 162 transitions. Second operand 4 states. [2018-04-10 15:12:58,484 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 15:12:58,484 INFO L93 Difference]: Finished difference Result 172 states and 178 transitions. [2018-04-10 15:12:58,485 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-04-10 15:12:58,485 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 13 [2018-04-10 15:12:58,485 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 15:12:58,486 INFO L225 Difference]: With dead ends: 172 [2018-04-10 15:12:58,486 INFO L226 Difference]: Without dead ends: 172 [2018-04-10 15:12:58,487 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-04-10 15:12:58,487 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 172 states. [2018-04-10 15:12:58,490 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 172 to 153. [2018-04-10 15:12:58,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 153 states. [2018-04-10 15:12:58,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 153 states and 160 transitions. [2018-04-10 15:12:58,492 INFO L78 Accepts]: Start accepts. Automaton has 153 states and 160 transitions. Word has length 13 [2018-04-10 15:12:58,492 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 15:12:58,492 INFO L459 AbstractCegarLoop]: Abstraction has 153 states and 160 transitions. [2018-04-10 15:12:58,492 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-04-10 15:12:58,492 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 160 transitions. [2018-04-10 15:12:58,492 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-04-10 15:12:58,492 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 15:12:58,492 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-10 15:12:58,492 INFO L408 AbstractCegarLoop]: === Iteration 4 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr66EnsuresViolationMEMORY_LEAK, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr56AssertViolationMEMORY_FREE, mainErr11RequiresViolation, mainErr63RequiresViolation, mainErr61AssertViolationMEMORY_FREE, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr64AssertViolationMEMORY_FREE, mainErr32RequiresViolation, mainErr57AssertViolationMEMORY_FREE, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60AssertViolationMEMORY_FREE, mainErr9RequiresViolation, mainErr65AssertViolationMEMORY_FREE, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-04-10 15:12:58,493 INFO L82 PathProgramCache]: Analyzing trace with hash -1062536032, now seen corresponding path program 1 times [2018-04-10 15:12:58,494 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-10 15:12:58,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 15:12:58,504 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-10 15:12:58,534 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:12:58,534 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-10 15:12:58,534 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-04-10 15:12:58,534 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-10 15:12:58,535 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:12:58,535 INFO L182 omatonBuilderFactory]: Interpolants [1177#true, 1178#false, 1179#(and (= 12 (select |#length| |main_#t~malloc1.base|)) (= 0 |main_#t~malloc1.offset|)), 1180#(and (= main_~list~0.offset 0) (= 12 (select |#length| main_~list~0.base)))] [2018-04-10 15:12:58,535 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:12:58,535 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-04-10 15:12:58,535 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-04-10 15:12:58,535 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-04-10 15:12:58,536 INFO L87 Difference]: Start difference. First operand 153 states and 160 transitions. Second operand 4 states. [2018-04-10 15:12:58,629 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 15:12:58,629 INFO L93 Difference]: Finished difference Result 169 states and 175 transitions. [2018-04-10 15:12:58,629 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-04-10 15:12:58,629 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 13 [2018-04-10 15:12:58,629 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 15:12:58,630 INFO L225 Difference]: With dead ends: 169 [2018-04-10 15:12:58,630 INFO L226 Difference]: Without dead ends: 169 [2018-04-10 15:12:58,630 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-04-10 15:12:58,631 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 169 states. [2018-04-10 15:12:58,634 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 169 to 157. [2018-04-10 15:12:58,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 157 states. [2018-04-10 15:12:58,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 157 states and 164 transitions. [2018-04-10 15:12:58,635 INFO L78 Accepts]: Start accepts. Automaton has 157 states and 164 transitions. Word has length 13 [2018-04-10 15:12:58,635 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 15:12:58,635 INFO L459 AbstractCegarLoop]: Abstraction has 157 states and 164 transitions. [2018-04-10 15:12:58,635 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-04-10 15:12:58,635 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 164 transitions. [2018-04-10 15:12:58,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-04-10 15:12:58,636 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 15:12:58,636 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-10 15:12:58,636 INFO L408 AbstractCegarLoop]: === Iteration 5 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr66EnsuresViolationMEMORY_LEAK, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr56AssertViolationMEMORY_FREE, mainErr11RequiresViolation, mainErr63RequiresViolation, mainErr61AssertViolationMEMORY_FREE, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr64AssertViolationMEMORY_FREE, mainErr32RequiresViolation, mainErr57AssertViolationMEMORY_FREE, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60AssertViolationMEMORY_FREE, mainErr9RequiresViolation, mainErr65AssertViolationMEMORY_FREE, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-04-10 15:12:58,636 INFO L82 PathProgramCache]: Analyzing trace with hash 628133548, now seen corresponding path program 1 times [2018-04-10 15:12:58,637 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-10 15:12:58,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 15:12:58,655 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-10 15:12:58,706 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:12:58,706 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-10 15:12:58,706 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-04-10 15:12:58,707 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-10 15:12:58,707 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:12:58,707 INFO L182 omatonBuilderFactory]: Interpolants [1509#true, 1510#false, 1511#(= (select |#valid| main_~list~0.base) 1), 1512#(= 1 (select |#valid| main_~end~0.base))] [2018-04-10 15:12:58,707 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:12:58,707 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-04-10 15:12:58,707 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-04-10 15:12:58,707 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-04-10 15:12:58,707 INFO L87 Difference]: Start difference. First operand 157 states and 164 transitions. Second operand 4 states. [2018-04-10 15:12:58,809 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 15:12:58,809 INFO L93 Difference]: Finished difference Result 160 states and 168 transitions. [2018-04-10 15:12:58,809 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-04-10 15:12:58,809 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 21 [2018-04-10 15:12:58,809 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 15:12:58,810 INFO L225 Difference]: With dead ends: 160 [2018-04-10 15:12:58,810 INFO L226 Difference]: Without dead ends: 160 [2018-04-10 15:12:58,810 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-04-10 15:12:58,811 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 160 states. [2018-04-10 15:12:58,814 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 160 to 145. [2018-04-10 15:12:58,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 145 states. [2018-04-10 15:12:58,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 145 states and 154 transitions. [2018-04-10 15:12:58,815 INFO L78 Accepts]: Start accepts. Automaton has 145 states and 154 transitions. Word has length 21 [2018-04-10 15:12:58,816 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 15:12:58,816 INFO L459 AbstractCegarLoop]: Abstraction has 145 states and 154 transitions. [2018-04-10 15:12:58,816 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-04-10 15:12:58,816 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 154 transitions. [2018-04-10 15:12:58,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-04-10 15:12:58,817 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 15:12:58,817 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-10 15:12:58,817 INFO L408 AbstractCegarLoop]: === Iteration 6 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr66EnsuresViolationMEMORY_LEAK, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr56AssertViolationMEMORY_FREE, mainErr11RequiresViolation, mainErr63RequiresViolation, mainErr61AssertViolationMEMORY_FREE, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr64AssertViolationMEMORY_FREE, mainErr32RequiresViolation, mainErr57AssertViolationMEMORY_FREE, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60AssertViolationMEMORY_FREE, mainErr9RequiresViolation, mainErr65AssertViolationMEMORY_FREE, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-04-10 15:12:58,817 INFO L82 PathProgramCache]: Analyzing trace with hash 628133549, now seen corresponding path program 1 times [2018-04-10 15:12:58,818 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-10 15:12:58,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 15:12:58,832 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-10 15:12:58,883 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:12:58,884 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-10 15:12:58,884 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-04-10 15:12:58,884 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-10 15:12:58,884 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:12:58,884 INFO L182 omatonBuilderFactory]: Interpolants [1824#(and (= main_~end~0.offset 0) (= 12 (select |#length| main_~end~0.base))), 1820#true, 1821#false, 1822#(and (= 12 (select |#length| |main_#t~malloc1.base|)) (= 0 |main_#t~malloc1.offset|)), 1823#(and (= 0 main_~list~0.offset) (= 12 (select |#length| main_~list~0.base)))] [2018-04-10 15:12:58,884 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:12:58,884 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-04-10 15:12:58,885 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-04-10 15:12:58,885 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-04-10 15:12:58,885 INFO L87 Difference]: Start difference. First operand 145 states and 154 transitions. Second operand 5 states. [2018-04-10 15:12:59,040 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 15:12:59,040 INFO L93 Difference]: Finished difference Result 185 states and 195 transitions. [2018-04-10 15:12:59,041 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-04-10 15:12:59,041 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 21 [2018-04-10 15:12:59,041 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 15:12:59,042 INFO L225 Difference]: With dead ends: 185 [2018-04-10 15:12:59,042 INFO L226 Difference]: Without dead ends: 185 [2018-04-10 15:12:59,042 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-04-10 15:12:59,042 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 185 states. [2018-04-10 15:12:59,045 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 185 to 156. [2018-04-10 15:12:59,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 156 states. [2018-04-10 15:12:59,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 156 states and 168 transitions. [2018-04-10 15:12:59,047 INFO L78 Accepts]: Start accepts. Automaton has 156 states and 168 transitions. Word has length 21 [2018-04-10 15:12:59,047 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 15:12:59,047 INFO L459 AbstractCegarLoop]: Abstraction has 156 states and 168 transitions. [2018-04-10 15:12:59,047 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-04-10 15:12:59,047 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 168 transitions. [2018-04-10 15:12:59,047 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-04-10 15:12:59,048 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 15:12:59,048 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-10 15:12:59,049 INFO L408 AbstractCegarLoop]: === Iteration 7 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr66EnsuresViolationMEMORY_LEAK, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr56AssertViolationMEMORY_FREE, mainErr11RequiresViolation, mainErr63RequiresViolation, mainErr61AssertViolationMEMORY_FREE, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr64AssertViolationMEMORY_FREE, mainErr32RequiresViolation, mainErr57AssertViolationMEMORY_FREE, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60AssertViolationMEMORY_FREE, mainErr9RequiresViolation, mainErr65AssertViolationMEMORY_FREE, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-04-10 15:12:59,049 INFO L82 PathProgramCache]: Analyzing trace with hash -1954048785, now seen corresponding path program 1 times [2018-04-10 15:12:59,050 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-10 15:12:59,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 15:12:59,061 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-10 15:12:59,089 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:12:59,090 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-10 15:12:59,090 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-04-10 15:12:59,090 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-10 15:12:59,091 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:12:59,091 INFO L182 omatonBuilderFactory]: Interpolants [2170#true, 2171#false, 2172#(= 1 (select |#valid| |main_#t~malloc3.base|)), 2173#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))), 2174#(= 1 (select |#valid| |main_#t~mem4.base|))] [2018-04-10 15:12:59,091 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:12:59,091 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-04-10 15:12:59,091 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-04-10 15:12:59,092 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-04-10 15:12:59,092 INFO L87 Difference]: Start difference. First operand 156 states and 168 transitions. Second operand 5 states. [2018-04-10 15:12:59,215 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 15:12:59,215 INFO L93 Difference]: Finished difference Result 207 states and 223 transitions. [2018-04-10 15:12:59,216 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-04-10 15:12:59,216 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 23 [2018-04-10 15:12:59,216 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 15:12:59,217 INFO L225 Difference]: With dead ends: 207 [2018-04-10 15:12:59,217 INFO L226 Difference]: Without dead ends: 207 [2018-04-10 15:12:59,217 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 [2018-04-10 15:12:59,217 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 207 states. [2018-04-10 15:12:59,219 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 207 to 155. [2018-04-10 15:12:59,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 155 states. [2018-04-10 15:12:59,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 155 states and 166 transitions. [2018-04-10 15:12:59,220 INFO L78 Accepts]: Start accepts. Automaton has 155 states and 166 transitions. Word has length 23 [2018-04-10 15:12:59,221 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 15:12:59,221 INFO L459 AbstractCegarLoop]: Abstraction has 155 states and 166 transitions. [2018-04-10 15:12:59,221 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-04-10 15:12:59,221 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 166 transitions. [2018-04-10 15:12:59,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-04-10 15:12:59,221 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 15:12:59,221 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-10 15:12:59,221 INFO L408 AbstractCegarLoop]: === Iteration 8 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr66EnsuresViolationMEMORY_LEAK, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr56AssertViolationMEMORY_FREE, mainErr11RequiresViolation, mainErr63RequiresViolation, mainErr61AssertViolationMEMORY_FREE, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr64AssertViolationMEMORY_FREE, mainErr32RequiresViolation, mainErr57AssertViolationMEMORY_FREE, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60AssertViolationMEMORY_FREE, mainErr9RequiresViolation, mainErr65AssertViolationMEMORY_FREE, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-04-10 15:12:59,222 INFO L82 PathProgramCache]: Analyzing trace with hash -1954048784, now seen corresponding path program 1 times [2018-04-10 15:12:59,223 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-10 15:12:59,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 15:12:59,234 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-10 15:12:59,280 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:12:59,281 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-10 15:12:59,281 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-04-10 15:12:59,281 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-10 15:12:59,281 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:12:59,281 INFO L182 omatonBuilderFactory]: Interpolants [2544#(and (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset))), 2545#(and (= |main_#t~mem4.offset| 0) (= 12 (select |#length| |main_#t~mem4.base|))), 2541#true, 2542#false, 2543#(and (= 0 |main_#t~malloc3.offset|) (= 12 (select |#length| |main_#t~malloc3.base|)))] [2018-04-10 15:12:59,281 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:12:59,282 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-04-10 15:12:59,282 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-04-10 15:12:59,282 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-04-10 15:12:59,282 INFO L87 Difference]: Start difference. First operand 155 states and 166 transitions. Second operand 5 states. [2018-04-10 15:12:59,474 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 15:12:59,474 INFO L93 Difference]: Finished difference Result 231 states and 248 transitions. [2018-04-10 15:12:59,474 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-04-10 15:12:59,475 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 23 [2018-04-10 15:12:59,475 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 15:12:59,475 INFO L225 Difference]: With dead ends: 231 [2018-04-10 15:12:59,475 INFO L226 Difference]: Without dead ends: 231 [2018-04-10 15:12:59,476 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2018-04-10 15:12:59,476 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 231 states. [2018-04-10 15:12:59,478 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 231 to 154. [2018-04-10 15:12:59,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 154 states. [2018-04-10 15:12:59,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 154 states and 164 transitions. [2018-04-10 15:12:59,479 INFO L78 Accepts]: Start accepts. Automaton has 154 states and 164 transitions. Word has length 23 [2018-04-10 15:12:59,479 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 15:12:59,479 INFO L459 AbstractCegarLoop]: Abstraction has 154 states and 164 transitions. [2018-04-10 15:12:59,479 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-04-10 15:12:59,479 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 164 transitions. [2018-04-10 15:12:59,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-04-10 15:12:59,480 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 15:12:59,480 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] [2018-04-10 15:12:59,480 INFO L408 AbstractCegarLoop]: === Iteration 9 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr66EnsuresViolationMEMORY_LEAK, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr56AssertViolationMEMORY_FREE, mainErr11RequiresViolation, mainErr63RequiresViolation, mainErr61AssertViolationMEMORY_FREE, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr64AssertViolationMEMORY_FREE, mainErr32RequiresViolation, mainErr57AssertViolationMEMORY_FREE, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60AssertViolationMEMORY_FREE, mainErr9RequiresViolation, mainErr65AssertViolationMEMORY_FREE, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-04-10 15:12:59,480 INFO L82 PathProgramCache]: Analyzing trace with hash -1563619919, now seen corresponding path program 1 times [2018-04-10 15:12:59,481 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-10 15:12:59,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 15:12:59,491 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-10 15:12:59,550 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:12:59,550 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-10 15:12:59,550 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-04-10 15:12:59,550 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-10 15:12:59,550 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:12:59,551 INFO L182 omatonBuilderFactory]: Interpolants [2944#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))), 2945#(= 1 (select |#valid| |main_#t~mem5.base|)), 2937#true, 2938#false, 2939#(= (select |#valid| main_~list~0.base) 1), 2940#(= (select |#valid| main_~end~0.base) 1), 2941#(and (= 1 (select |#valid| |main_#t~malloc3.base|)) (not (= main_~end~0.base |main_#t~malloc3.base|))), 2942#(and (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)))), 2943#(and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (not (= main_~end~0.base |main_#t~mem4.base|)))] [2018-04-10 15:12:59,551 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:12:59,551 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-04-10 15:12:59,551 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-04-10 15:12:59,551 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2018-04-10 15:12:59,551 INFO L87 Difference]: Start difference. First operand 154 states and 164 transitions. Second operand 9 states. [2018-04-10 15:12:59,789 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 15:12:59,789 INFO L93 Difference]: Finished difference Result 167 states and 177 transitions. [2018-04-10 15:12:59,789 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-04-10 15:12:59,789 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 27 [2018-04-10 15:12:59,790 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 15:12:59,790 INFO L225 Difference]: With dead ends: 167 [2018-04-10 15:12:59,790 INFO L226 Difference]: Without dead ends: 167 [2018-04-10 15:12:59,791 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=58, Invalid=124, Unknown=0, NotChecked=0, Total=182 [2018-04-10 15:12:59,791 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 167 states. [2018-04-10 15:12:59,793 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 167 to 153. [2018-04-10 15:12:59,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 153 states. [2018-04-10 15:12:59,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 153 states and 163 transitions. [2018-04-10 15:12:59,794 INFO L78 Accepts]: Start accepts. Automaton has 153 states and 163 transitions. Word has length 27 [2018-04-10 15:12:59,794 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 15:12:59,794 INFO L459 AbstractCegarLoop]: Abstraction has 153 states and 163 transitions. [2018-04-10 15:12:59,794 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-04-10 15:12:59,794 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 163 transitions. [2018-04-10 15:12:59,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-04-10 15:12:59,795 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 15:12:59,795 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] [2018-04-10 15:12:59,795 INFO L408 AbstractCegarLoop]: === Iteration 10 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr66EnsuresViolationMEMORY_LEAK, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr56AssertViolationMEMORY_FREE, mainErr11RequiresViolation, mainErr63RequiresViolation, mainErr61AssertViolationMEMORY_FREE, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr64AssertViolationMEMORY_FREE, mainErr32RequiresViolation, mainErr57AssertViolationMEMORY_FREE, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60AssertViolationMEMORY_FREE, mainErr9RequiresViolation, mainErr65AssertViolationMEMORY_FREE, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-04-10 15:12:59,795 INFO L82 PathProgramCache]: Analyzing trace with hash -1563619918, now seen corresponding path program 1 times [2018-04-10 15:12:59,796 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-10 15:12:59,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 15:12:59,807 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-10 15:12:59,913 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:12:59,914 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-10 15:12:59,914 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-04-10 15:12:59,914 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-10 15:12:59,915 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:12:59,915 INFO L182 omatonBuilderFactory]: Interpolants [3280#(and (= 0 |main_#t~malloc3.offset|) (not (= main_~end~0.base |main_#t~malloc3.base|)) (= 12 (select |#length| |main_#t~malloc3.base|))), 3281#(and (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset))), 3282#(and (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (not (= main_~end~0.base |main_#t~mem4.base|)) (= 0 (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset))), 3283#(and (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset))), 3284#(and (= 12 (select |#length| |main_#t~mem5.base|)) (= 0 |main_#t~mem5.offset|)), 3285#(and (= main_~end~0.offset 0) (= 12 (select |#length| main_~end~0.base))), 3276#true, 3277#false, 3278#(= (select |#valid| main_~list~0.base) 1), 3279#(= (select |#valid| main_~end~0.base) 1)] [2018-04-10 15:12:59,915 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:12:59,915 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-04-10 15:12:59,915 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-04-10 15:12:59,915 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2018-04-10 15:12:59,916 INFO L87 Difference]: Start difference. First operand 153 states and 163 transitions. Second operand 10 states. [2018-04-10 15:13:00,463 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 15:13:00,463 INFO L93 Difference]: Finished difference Result 183 states and 194 transitions. [2018-04-10 15:13:00,463 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-04-10 15:13:00,463 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 27 [2018-04-10 15:13:00,463 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 15:13:00,464 INFO L225 Difference]: With dead ends: 183 [2018-04-10 15:13:00,464 INFO L226 Difference]: Without dead ends: 183 [2018-04-10 15:13:00,464 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=129, Invalid=291, Unknown=0, NotChecked=0, Total=420 [2018-04-10 15:13:00,464 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 183 states. [2018-04-10 15:13:00,466 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 183 to 158. [2018-04-10 15:13:00,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 158 states. [2018-04-10 15:13:00,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 158 states and 168 transitions. [2018-04-10 15:13:00,467 INFO L78 Accepts]: Start accepts. Automaton has 158 states and 168 transitions. Word has length 27 [2018-04-10 15:13:00,467 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 15:13:00,467 INFO L459 AbstractCegarLoop]: Abstraction has 158 states and 168 transitions. [2018-04-10 15:13:00,467 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-04-10 15:13:00,468 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 168 transitions. [2018-04-10 15:13:00,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-04-10 15:13:00,468 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 15:13:00,468 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] [2018-04-10 15:13:00,468 INFO L408 AbstractCegarLoop]: === Iteration 11 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr66EnsuresViolationMEMORY_LEAK, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr56AssertViolationMEMORY_FREE, mainErr11RequiresViolation, mainErr63RequiresViolation, mainErr61AssertViolationMEMORY_FREE, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr64AssertViolationMEMORY_FREE, mainErr32RequiresViolation, mainErr57AssertViolationMEMORY_FREE, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60AssertViolationMEMORY_FREE, mainErr9RequiresViolation, mainErr65AssertViolationMEMORY_FREE, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-04-10 15:13:00,469 INFO L82 PathProgramCache]: Analyzing trace with hash 1535529887, now seen corresponding path program 1 times [2018-04-10 15:13:00,470 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-10 15:13:00,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 15:13:00,477 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-10 15:13:00,515 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:13:00,515 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-10 15:13:00,515 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-04-10 15:13:00,516 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-10 15:13:00,516 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:13:00,516 INFO L182 omatonBuilderFactory]: Interpolants [3649#true, 3650#false, 3651#(= 0 |main_#t~malloc0.offset|), 3652#(= main_~null~0.offset 0), 3653#(= main_~null~0.offset |main_#t~malloc1.offset|), 3654#(= main_~null~0.offset main_~list~0.offset), 3655#(= main_~null~0.offset main_~end~0.offset), 3656#(not (= main_~end~0.base main_~null~0.base))] [2018-04-10 15:13:00,516 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:13:00,516 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-04-10 15:13:00,517 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-04-10 15:13:00,517 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-04-10 15:13:00,517 INFO L87 Difference]: Start difference. First operand 158 states and 168 transitions. Second operand 8 states. [2018-04-10 15:13:00,650 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 15:13:00,650 INFO L93 Difference]: Finished difference Result 186 states and 197 transitions. [2018-04-10 15:13:00,650 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-04-10 15:13:00,650 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 33 [2018-04-10 15:13:00,650 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 15:13:00,651 INFO L225 Difference]: With dead ends: 186 [2018-04-10 15:13:00,651 INFO L226 Difference]: Without dead ends: 186 [2018-04-10 15:13:00,651 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=63, Invalid=119, Unknown=0, NotChecked=0, Total=182 [2018-04-10 15:13:00,651 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 186 states. [2018-04-10 15:13:00,653 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 186 to 158. [2018-04-10 15:13:00,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 158 states. [2018-04-10 15:13:00,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 158 states and 167 transitions. [2018-04-10 15:13:00,653 INFO L78 Accepts]: Start accepts. Automaton has 158 states and 167 transitions. Word has length 33 [2018-04-10 15:13:00,653 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 15:13:00,653 INFO L459 AbstractCegarLoop]: Abstraction has 158 states and 167 transitions. [2018-04-10 15:13:00,653 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-04-10 15:13:00,653 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 167 transitions. [2018-04-10 15:13:00,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-04-10 15:13:00,654 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 15:13:00,654 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-10 15:13:00,654 INFO L408 AbstractCegarLoop]: === Iteration 12 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr66EnsuresViolationMEMORY_LEAK, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr56AssertViolationMEMORY_FREE, mainErr11RequiresViolation, mainErr63RequiresViolation, mainErr61AssertViolationMEMORY_FREE, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr64AssertViolationMEMORY_FREE, mainErr32RequiresViolation, mainErr57AssertViolationMEMORY_FREE, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60AssertViolationMEMORY_FREE, mainErr9RequiresViolation, mainErr65AssertViolationMEMORY_FREE, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-04-10 15:13:00,654 INFO L82 PathProgramCache]: Analyzing trace with hash 2090659852, now seen corresponding path program 1 times [2018-04-10 15:13:00,655 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-10 15:13:00,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 15:13:00,666 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-10 15:13:00,694 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:13:00,694 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-10 15:13:00,695 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-04-10 15:13:00,695 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-10 15:13:00,695 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:13:00,695 INFO L182 omatonBuilderFactory]: Interpolants [4016#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))), 4017#(= 1 (select |#valid| |main_#t~mem8.base|)), 4013#true, 4014#false, 4015#(= 1 (select |#valid| |main_#t~malloc7.base|))] [2018-04-10 15:13:00,695 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:13:00,696 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-04-10 15:13:00,696 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-04-10 15:13:00,696 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-04-10 15:13:00,696 INFO L87 Difference]: Start difference. First operand 158 states and 167 transitions. Second operand 5 states. [2018-04-10 15:13:00,861 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 15:13:00,861 INFO L93 Difference]: Finished difference Result 236 states and 251 transitions. [2018-04-10 15:13:00,861 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-04-10 15:13:00,861 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 34 [2018-04-10 15:13:00,862 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 15:13:00,862 INFO L225 Difference]: With dead ends: 236 [2018-04-10 15:13:00,862 INFO L226 Difference]: Without dead ends: 236 [2018-04-10 15:13:00,862 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 [2018-04-10 15:13:00,863 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 236 states. [2018-04-10 15:13:00,864 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 236 to 157. [2018-04-10 15:13:00,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 157 states. [2018-04-10 15:13:00,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 157 states and 166 transitions. [2018-04-10 15:13:00,865 INFO L78 Accepts]: Start accepts. Automaton has 157 states and 166 transitions. Word has length 34 [2018-04-10 15:13:00,865 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 15:13:00,865 INFO L459 AbstractCegarLoop]: Abstraction has 157 states and 166 transitions. [2018-04-10 15:13:00,865 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-04-10 15:13:00,865 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 166 transitions. [2018-04-10 15:13:00,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-04-10 15:13:00,865 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 15:13:00,865 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-10 15:13:00,866 INFO L408 AbstractCegarLoop]: === Iteration 13 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr66EnsuresViolationMEMORY_LEAK, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr56AssertViolationMEMORY_FREE, mainErr11RequiresViolation, mainErr63RequiresViolation, mainErr61AssertViolationMEMORY_FREE, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr64AssertViolationMEMORY_FREE, mainErr32RequiresViolation, mainErr57AssertViolationMEMORY_FREE, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60AssertViolationMEMORY_FREE, mainErr9RequiresViolation, mainErr65AssertViolationMEMORY_FREE, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-04-10 15:13:00,866 INFO L82 PathProgramCache]: Analyzing trace with hash 2090659853, now seen corresponding path program 1 times [2018-04-10 15:13:00,867 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-10 15:13:00,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 15:13:00,874 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-10 15:13:00,914 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:13:00,914 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-10 15:13:00,914 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-04-10 15:13:00,914 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-10 15:13:00,915 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:13:00,915 INFO L182 omatonBuilderFactory]: Interpolants [4416#false, 4417#(and (= 0 |main_#t~malloc7.offset|) (= 12 (select |#length| |main_#t~malloc7.base|))), 4418#(and (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset))), 4419#(and (= |main_#t~mem8.offset| 0) (= 12 (select |#length| |main_#t~mem8.base|))), 4415#true] [2018-04-10 15:13:00,915 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:13:00,915 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-04-10 15:13:00,916 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-04-10 15:13:00,916 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-04-10 15:13:00,916 INFO L87 Difference]: Start difference. First operand 157 states and 166 transitions. Second operand 5 states. [2018-04-10 15:13:01,079 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 15:13:01,079 INFO L93 Difference]: Finished difference Result 260 states and 277 transitions. [2018-04-10 15:13:01,079 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-04-10 15:13:01,079 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 34 [2018-04-10 15:13:01,079 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 15:13:01,080 INFO L225 Difference]: With dead ends: 260 [2018-04-10 15:13:01,080 INFO L226 Difference]: Without dead ends: 260 [2018-04-10 15:13:01,080 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2018-04-10 15:13:01,080 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 260 states. [2018-04-10 15:13:01,082 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 260 to 156. [2018-04-10 15:13:01,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 156 states. [2018-04-10 15:13:01,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 156 states and 165 transitions. [2018-04-10 15:13:01,083 INFO L78 Accepts]: Start accepts. Automaton has 156 states and 165 transitions. Word has length 34 [2018-04-10 15:13:01,083 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 15:13:01,084 INFO L459 AbstractCegarLoop]: Abstraction has 156 states and 165 transitions. [2018-04-10 15:13:01,084 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-04-10 15:13:01,084 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 165 transitions. [2018-04-10 15:13:01,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-04-10 15:13:01,085 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 15:13:01,085 INFO L355 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-10 15:13:01,085 INFO L408 AbstractCegarLoop]: === Iteration 14 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr66EnsuresViolationMEMORY_LEAK, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr56AssertViolationMEMORY_FREE, mainErr11RequiresViolation, mainErr63RequiresViolation, mainErr61AssertViolationMEMORY_FREE, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr64AssertViolationMEMORY_FREE, mainErr32RequiresViolation, mainErr57AssertViolationMEMORY_FREE, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60AssertViolationMEMORY_FREE, mainErr9RequiresViolation, mainErr65AssertViolationMEMORY_FREE, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-04-10 15:13:01,085 INFO L82 PathProgramCache]: Analyzing trace with hash 566596208, now seen corresponding path program 1 times [2018-04-10 15:13:01,086 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-10 15:13:01,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 15:13:01,094 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-10 15:13:01,151 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:13:01,151 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-10 15:13:01,151 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2018-04-10 15:13:01,152 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-10 15:13:01,152 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:13:01,152 INFO L182 omatonBuilderFactory]: Interpolants [4842#true, 4843#false, 4844#(and (= main_~null~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= main_~null~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))), 4845#(and (= main_~null~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (= main_~null~0.offset (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset))), 4846#(and (= main_~null~0.offset |main_#t~mem16.offset|) (= main_~null~0.base |main_#t~mem16.base|)), 4847#(and (= main_~end~0.base main_~null~0.base) (= main_~null~0.offset main_~end~0.offset))] [2018-04-10 15:13:01,152 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:13:01,153 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-04-10 15:13:01,153 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-04-10 15:13:01,153 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-04-10 15:13:01,153 INFO L87 Difference]: Start difference. First operand 156 states and 165 transitions. Second operand 6 states. [2018-04-10 15:13:01,311 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 15:13:01,311 INFO L93 Difference]: Finished difference Result 225 states and 238 transitions. [2018-04-10 15:13:01,311 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-04-10 15:13:01,311 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 36 [2018-04-10 15:13:01,311 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 15:13:01,312 INFO L225 Difference]: With dead ends: 225 [2018-04-10 15:13:01,312 INFO L226 Difference]: Without dead ends: 225 [2018-04-10 15:13:01,312 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2018-04-10 15:13:01,312 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 225 states. [2018-04-10 15:13:01,315 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 225 to 175. [2018-04-10 15:13:01,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 175 states. [2018-04-10 15:13:01,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 175 states and 186 transitions. [2018-04-10 15:13:01,316 INFO L78 Accepts]: Start accepts. Automaton has 175 states and 186 transitions. Word has length 36 [2018-04-10 15:13:01,316 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 15:13:01,316 INFO L459 AbstractCegarLoop]: Abstraction has 175 states and 186 transitions. [2018-04-10 15:13:01,316 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-04-10 15:13:01,316 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 186 transitions. [2018-04-10 15:13:01,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-04-10 15:13:01,317 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 15:13:01,317 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-10 15:13:01,317 INFO L408 AbstractCegarLoop]: === Iteration 15 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr66EnsuresViolationMEMORY_LEAK, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr56AssertViolationMEMORY_FREE, mainErr11RequiresViolation, mainErr63RequiresViolation, mainErr61AssertViolationMEMORY_FREE, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr64AssertViolationMEMORY_FREE, mainErr32RequiresViolation, mainErr57AssertViolationMEMORY_FREE, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60AssertViolationMEMORY_FREE, mainErr9RequiresViolation, mainErr65AssertViolationMEMORY_FREE, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-04-10 15:13:01,317 INFO L82 PathProgramCache]: Analyzing trace with hash 1406625268, now seen corresponding path program 1 times [2018-04-10 15:13:01,318 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-10 15:13:01,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 15:13:01,326 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-10 15:13:01,390 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:13:01,390 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-10 15:13:01,390 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-04-10 15:13:01,390 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-10 15:13:01,390 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:13:01,390 INFO L182 omatonBuilderFactory]: Interpolants [5256#true, 5257#false, 5258#(= |main_#t~mem12| (select (select |#memory_int| main_~end~0.base) (+ main_~end~0.offset 8))), 5259#(= ~unnamed2~0~BLACK (select (select |#memory_int| main_~end~0.base) (+ main_~end~0.offset 8))), 5260#(= ~unnamed2~0~BLACK |main_#t~mem13|)] [2018-04-10 15:13:01,391 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:13:01,391 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-04-10 15:13:01,391 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-04-10 15:13:01,391 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-04-10 15:13:01,391 INFO L87 Difference]: Start difference. First operand 175 states and 186 transitions. Second operand 5 states. [2018-04-10 15:13:01,515 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 15:13:01,516 INFO L93 Difference]: Finished difference Result 182 states and 191 transitions. [2018-04-10 15:13:01,516 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-04-10 15:13:01,516 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 38 [2018-04-10 15:13:01,516 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 15:13:01,517 INFO L225 Difference]: With dead ends: 182 [2018-04-10 15:13:01,517 INFO L226 Difference]: Without dead ends: 182 [2018-04-10 15:13:01,517 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 0 SyntacticMatches, 2 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-04-10 15:13:01,518 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 182 states. [2018-04-10 15:13:01,520 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 182 to 174. [2018-04-10 15:13:01,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 174 states. [2018-04-10 15:13:01,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 174 states and 183 transitions. [2018-04-10 15:13:01,521 INFO L78 Accepts]: Start accepts. Automaton has 174 states and 183 transitions. Word has length 38 [2018-04-10 15:13:01,521 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 15:13:01,522 INFO L459 AbstractCegarLoop]: Abstraction has 174 states and 183 transitions. [2018-04-10 15:13:01,522 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-04-10 15:13:01,522 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 183 transitions. [2018-04-10 15:13:01,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-04-10 15:13:01,523 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 15:13:01,523 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-10 15:13:01,523 INFO L408 AbstractCegarLoop]: === Iteration 16 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr66EnsuresViolationMEMORY_LEAK, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr56AssertViolationMEMORY_FREE, mainErr11RequiresViolation, mainErr63RequiresViolation, mainErr61AssertViolationMEMORY_FREE, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr64AssertViolationMEMORY_FREE, mainErr32RequiresViolation, mainErr57AssertViolationMEMORY_FREE, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60AssertViolationMEMORY_FREE, mainErr9RequiresViolation, mainErr65AssertViolationMEMORY_FREE, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-04-10 15:13:01,523 INFO L82 PathProgramCache]: Analyzing trace with hash 90417614, now seen corresponding path program 1 times [2018-04-10 15:13:01,524 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-10 15:13:01,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 15:13:01,539 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-10 15:13:01,691 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:13:01,691 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-10 15:13:01,691 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-04-10 15:13:01,691 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-10 15:13:01,691 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:13:01,691 INFO L182 omatonBuilderFactory]: Interpolants [5619#true, 5620#false, 5621#(= (select |#valid| main_~end~0.base) 1), 5622#(and (not (= main_~end~0.base |main_#t~malloc7.base|)) (= 1 (select |#valid| |main_#t~malloc7.base|))), 5623#(and (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)))), 5624#(and (not (= main_~end~0.base |main_#t~mem8.base|)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)))), 5625#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))), 5626#(= 1 (select |#valid| |main_#t~mem9.base|))] [2018-04-10 15:13:01,691 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:13:01,691 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-04-10 15:13:01,692 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-04-10 15:13:01,692 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2018-04-10 15:13:01,692 INFO L87 Difference]: Start difference. First operand 174 states and 183 transitions. Second operand 8 states. [2018-04-10 15:13:01,975 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 15:13:01,975 INFO L93 Difference]: Finished difference Result 175 states and 184 transitions. [2018-04-10 15:13:01,975 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-04-10 15:13:01,975 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 38 [2018-04-10 15:13:01,976 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 15:13:01,976 INFO L225 Difference]: With dead ends: 175 [2018-04-10 15:13:01,976 INFO L226 Difference]: Without dead ends: 175 [2018-04-10 15:13:01,976 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=44, Invalid=88, Unknown=0, NotChecked=0, Total=132 [2018-04-10 15:13:01,977 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 175 states. [2018-04-10 15:13:01,978 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 175 to 173. [2018-04-10 15:13:01,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 173 states. [2018-04-10 15:13:01,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 173 states and 182 transitions. [2018-04-10 15:13:01,978 INFO L78 Accepts]: Start accepts. Automaton has 173 states and 182 transitions. Word has length 38 [2018-04-10 15:13:01,978 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 15:13:01,978 INFO L459 AbstractCegarLoop]: Abstraction has 173 states and 182 transitions. [2018-04-10 15:13:01,978 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-04-10 15:13:01,979 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 182 transitions. [2018-04-10 15:13:01,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-04-10 15:13:01,979 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 15:13:01,979 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-10 15:13:01,979 INFO L408 AbstractCegarLoop]: === Iteration 17 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr66EnsuresViolationMEMORY_LEAK, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr56AssertViolationMEMORY_FREE, mainErr11RequiresViolation, mainErr63RequiresViolation, mainErr61AssertViolationMEMORY_FREE, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr64AssertViolationMEMORY_FREE, mainErr32RequiresViolation, mainErr57AssertViolationMEMORY_FREE, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60AssertViolationMEMORY_FREE, mainErr9RequiresViolation, mainErr65AssertViolationMEMORY_FREE, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-04-10 15:13:01,979 INFO L82 PathProgramCache]: Analyzing trace with hash 90417615, now seen corresponding path program 1 times [2018-04-10 15:13:01,981 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-10 15:13:01,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 15:13:01,993 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-10 15:13:02,094 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:13:02,095 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-10 15:13:02,095 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-04-10 15:13:02,095 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-10 15:13:02,096 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:13:02,096 INFO L182 omatonBuilderFactory]: Interpolants [5984#false, 5985#(= (select |#valid| main_~end~0.base) 1), 5986#(and (= 0 |main_#t~malloc7.offset|) (not (= main_~end~0.base |main_#t~malloc7.base|)) (= 12 (select |#length| |main_#t~malloc7.base|))), 5987#(and (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset))), 5988#(and (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (not (= main_~end~0.base |main_#t~mem8.base|)) (= 0 (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset))), 5989#(and (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset))), 5990#(and (= 0 |main_#t~mem9.offset|) (= 12 (select |#length| |main_#t~mem9.base|))), 5991#(and (= main_~end~0.offset 0) (= 12 (select |#length| main_~end~0.base))), 5983#true] [2018-04-10 15:13:02,096 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:13:02,096 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-04-10 15:13:02,096 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-04-10 15:13:02,096 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2018-04-10 15:13:02,097 INFO L87 Difference]: Start difference. First operand 173 states and 182 transitions. Second operand 9 states. [2018-04-10 15:13:02,506 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 15:13:02,507 INFO L93 Difference]: Finished difference Result 170 states and 179 transitions. [2018-04-10 15:13:02,507 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-04-10 15:13:02,507 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 38 [2018-04-10 15:13:02,507 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 15:13:02,508 INFO L225 Difference]: With dead ends: 170 [2018-04-10 15:13:02,508 INFO L226 Difference]: Without dead ends: 170 [2018-04-10 15:13:02,508 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=50, Invalid=132, Unknown=0, NotChecked=0, Total=182 [2018-04-10 15:13:02,508 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 170 states. [2018-04-10 15:13:02,510 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 170 to 146. [2018-04-10 15:13:02,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 146 states. [2018-04-10 15:13:02,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 146 states and 154 transitions. [2018-04-10 15:13:02,511 INFO L78 Accepts]: Start accepts. Automaton has 146 states and 154 transitions. Word has length 38 [2018-04-10 15:13:02,511 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 15:13:02,511 INFO L459 AbstractCegarLoop]: Abstraction has 146 states and 154 transitions. [2018-04-10 15:13:02,511 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-04-10 15:13:02,512 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 154 transitions. [2018-04-10 15:13:02,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2018-04-10 15:13:02,512 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 15:13:02,512 INFO L355 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-10 15:13:02,512 INFO L408 AbstractCegarLoop]: === Iteration 18 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr66EnsuresViolationMEMORY_LEAK, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr56AssertViolationMEMORY_FREE, mainErr11RequiresViolation, mainErr63RequiresViolation, mainErr61AssertViolationMEMORY_FREE, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr64AssertViolationMEMORY_FREE, mainErr32RequiresViolation, mainErr57AssertViolationMEMORY_FREE, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60AssertViolationMEMORY_FREE, mainErr9RequiresViolation, mainErr65AssertViolationMEMORY_FREE, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-04-10 15:13:02,512 INFO L82 PathProgramCache]: Analyzing trace with hash 246329433, now seen corresponding path program 1 times [2018-04-10 15:13:02,513 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-10 15:13:02,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 15:13:02,520 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-10 15:13:02,566 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-04-10 15:13:02,566 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-10 15:13:02,566 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-04-10 15:13:02,566 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-10 15:13:02,567 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:13:02,567 INFO L182 omatonBuilderFactory]: Interpolants [6320#false, 6321#(= 0 |main_#t~malloc0.offset|), 6322#(= main_~null~0.offset 0), 6323#(= main_~null~0.offset |main_#t~malloc1.offset|), 6324#(= main_~null~0.offset main_~list~0.offset), 6325#(and (= main_~end~0.base main_~list~0.base) (= main_~null~0.offset main_~end~0.offset)), 6326#(not (= main_~list~0.base main_~null~0.base)), 6319#true] [2018-04-10 15:13:02,567 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-04-10 15:13:02,567 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-04-10 15:13:02,567 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-04-10 15:13:02,567 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-04-10 15:13:02,568 INFO L87 Difference]: Start difference. First operand 146 states and 154 transitions. Second operand 8 states. [2018-04-10 15:13:02,748 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 15:13:02,749 INFO L93 Difference]: Finished difference Result 163 states and 170 transitions. [2018-04-10 15:13:02,749 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-04-10 15:13:02,749 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 39 [2018-04-10 15:13:02,749 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 15:13:02,750 INFO L225 Difference]: With dead ends: 163 [2018-04-10 15:13:02,750 INFO L226 Difference]: Without dead ends: 163 [2018-04-10 15:13:02,750 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=64, Invalid=118, Unknown=0, NotChecked=0, Total=182 [2018-04-10 15:13:02,751 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 163 states. [2018-04-10 15:13:02,752 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 163 to 146. [2018-04-10 15:13:02,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 146 states. [2018-04-10 15:13:02,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 146 states and 153 transitions. [2018-04-10 15:13:02,753 INFO L78 Accepts]: Start accepts. Automaton has 146 states and 153 transitions. Word has length 39 [2018-04-10 15:13:02,753 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 15:13:02,754 INFO L459 AbstractCegarLoop]: Abstraction has 146 states and 153 transitions. [2018-04-10 15:13:02,754 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-04-10 15:13:02,754 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 153 transitions. [2018-04-10 15:13:02,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-04-10 15:13:02,754 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 15:13:02,754 INFO L355 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-10 15:13:02,754 INFO L408 AbstractCegarLoop]: === Iteration 19 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr66EnsuresViolationMEMORY_LEAK, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr56AssertViolationMEMORY_FREE, mainErr11RequiresViolation, mainErr63RequiresViolation, mainErr61AssertViolationMEMORY_FREE, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr64AssertViolationMEMORY_FREE, mainErr32RequiresViolation, mainErr57AssertViolationMEMORY_FREE, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60AssertViolationMEMORY_FREE, mainErr9RequiresViolation, mainErr65AssertViolationMEMORY_FREE, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-04-10 15:13:02,755 INFO L82 PathProgramCache]: Analyzing trace with hash -1551243035, now seen corresponding path program 1 times [2018-04-10 15:13:02,756 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-10 15:13:02,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 15:13:02,763 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-10 15:13:02,811 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:13:02,811 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-10 15:13:02,812 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2018-04-10 15:13:02,812 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-10 15:13:02,812 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:13:02,812 INFO L182 omatonBuilderFactory]: Interpolants [6648#true, 6649#false, 6650#(= ~unnamed2~0~BLACK (select (select |#memory_int| main_~list~0.base) (+ main_~list~0.offset 8))), 6651#(and (= ~unnamed2~0~BLACK (select (select |#memory_int| main_~list~0.base) (+ main_~list~0.offset 8))) (= (select (select |#memory_int| main_~end~0.base) (+ main_~end~0.offset 8)) |main_#t~mem12|)), 6652#(= (select (select |#memory_int| main_~end~0.base) (+ main_~end~0.offset 8)) (select (select |#memory_int| main_~list~0.base) (+ main_~list~0.offset 8))), 6653#(= |main_#t~mem13| (select (select |#memory_int| main_~list~0.base) (+ main_~list~0.offset 8))), 6654#(not (= ~unnamed2~0~RED (select (select |#memory_int| main_~list~0.base) (+ main_~list~0.offset 8)))), 6655#(not (= ~unnamed2~0~RED |main_#t~mem17|))] [2018-04-10 15:13:02,812 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:13:02,813 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-04-10 15:13:02,813 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-04-10 15:13:02,813 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2018-04-10 15:13:02,813 INFO L87 Difference]: Start difference. First operand 146 states and 153 transitions. Second operand 8 states. [2018-04-10 15:13:03,038 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 15:13:03,038 INFO L93 Difference]: Finished difference Result 233 states and 244 transitions. [2018-04-10 15:13:03,038 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-04-10 15:13:03,038 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 45 [2018-04-10 15:13:03,038 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 15:13:03,039 INFO L225 Difference]: With dead ends: 233 [2018-04-10 15:13:03,039 INFO L226 Difference]: Without dead ends: 233 [2018-04-10 15:13:03,039 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=57, Invalid=153, Unknown=0, NotChecked=0, Total=210 [2018-04-10 15:13:03,039 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 233 states. [2018-04-10 15:13:03,040 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 233 to 143. [2018-04-10 15:13:03,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 143 states. [2018-04-10 15:13:03,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 143 states and 149 transitions. [2018-04-10 15:13:03,041 INFO L78 Accepts]: Start accepts. Automaton has 143 states and 149 transitions. Word has length 45 [2018-04-10 15:13:03,041 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 15:13:03,041 INFO L459 AbstractCegarLoop]: Abstraction has 143 states and 149 transitions. [2018-04-10 15:13:03,041 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-04-10 15:13:03,041 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 149 transitions. [2018-04-10 15:13:03,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-04-10 15:13:03,041 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 15:13:03,041 INFO L355 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-10 15:13:03,041 INFO L408 AbstractCegarLoop]: === Iteration 20 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr66EnsuresViolationMEMORY_LEAK, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr56AssertViolationMEMORY_FREE, mainErr11RequiresViolation, mainErr63RequiresViolation, mainErr61AssertViolationMEMORY_FREE, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr64AssertViolationMEMORY_FREE, mainErr32RequiresViolation, mainErr57AssertViolationMEMORY_FREE, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60AssertViolationMEMORY_FREE, mainErr9RequiresViolation, mainErr65AssertViolationMEMORY_FREE, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-04-10 15:13:03,042 INFO L82 PathProgramCache]: Analyzing trace with hash 1000742218, now seen corresponding path program 1 times [2018-04-10 15:13:03,042 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-10 15:13:03,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 15:13:03,047 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-10 15:13:03,128 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:13:03,128 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-10 15:13:03,129 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2018-04-10 15:13:03,129 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-10 15:13:03,129 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:13:03,129 INFO L182 omatonBuilderFactory]: Interpolants [7046#true, 7047#false, 7048#(and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset)), 7049#(and (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~mem16.base|) (= |main_#t~mem16.offset| (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))), 7050#(and (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) main_~end~0.base) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))), 7051#(and (= main_~null~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= main_~null~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))), 7052#(and (= main_~null~0.offset |main_#t~mem20.offset|) (= main_~null~0.base |main_#t~mem20.base|)), 7053#(and (= main_~null~0.base main_~end~0.base) (= main_~null~0.offset main_~end~0.offset)), 7054#(and (= main_~null~0.base main_~list~0.base) (= main_~list~0.offset main_~null~0.offset))] [2018-04-10 15:13:03,129 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:13:03,130 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-04-10 15:13:03,130 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-04-10 15:13:03,130 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2018-04-10 15:13:03,130 INFO L87 Difference]: Start difference. First operand 143 states and 149 transitions. Second operand 9 states. [2018-04-10 15:13:03,428 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 15:13:03,428 INFO L93 Difference]: Finished difference Result 190 states and 199 transitions. [2018-04-10 15:13:03,428 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2018-04-10 15:13:03,428 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 48 [2018-04-10 15:13:03,428 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 15:13:03,429 INFO L225 Difference]: With dead ends: 190 [2018-04-10 15:13:03,429 INFO L226 Difference]: Without dead ends: 190 [2018-04-10 15:13:03,429 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=47, Invalid=163, Unknown=0, NotChecked=0, Total=210 [2018-04-10 15:13:03,429 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 190 states. [2018-04-10 15:13:03,431 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 190 to 158. [2018-04-10 15:13:03,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 158 states. [2018-04-10 15:13:03,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 158 states and 165 transitions. [2018-04-10 15:13:03,432 INFO L78 Accepts]: Start accepts. Automaton has 158 states and 165 transitions. Word has length 48 [2018-04-10 15:13:03,432 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 15:13:03,432 INFO L459 AbstractCegarLoop]: Abstraction has 158 states and 165 transitions. [2018-04-10 15:13:03,432 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-04-10 15:13:03,432 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 165 transitions. [2018-04-10 15:13:03,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2018-04-10 15:13:03,433 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 15:13:03,433 INFO L355 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-10 15:13:03,433 INFO L408 AbstractCegarLoop]: === Iteration 21 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr66EnsuresViolationMEMORY_LEAK, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr56AssertViolationMEMORY_FREE, mainErr11RequiresViolation, mainErr63RequiresViolation, mainErr61AssertViolationMEMORY_FREE, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr64AssertViolationMEMORY_FREE, mainErr32RequiresViolation, mainErr57AssertViolationMEMORY_FREE, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60AssertViolationMEMORY_FREE, mainErr9RequiresViolation, mainErr65AssertViolationMEMORY_FREE, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-04-10 15:13:03,433 INFO L82 PathProgramCache]: Analyzing trace with hash 958237278, now seen corresponding path program 1 times [2018-04-10 15:13:03,434 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-10 15:13:03,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-04-10 15:13:03,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-04-10 15:13:03,473 INFO L421 BasicCegarLoop]: Counterexample might be feasible [2018-04-10 15:13:03,488 WARN L343 cessorBacktranslator]: Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) [2018-04-10 15:13:03,504 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.04 03:13:03 BoogieIcfgContainer [2018-04-10 15:13:03,504 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-04-10 15:13:03,504 INFO L168 Benchmark]: Toolchain (without parser) took 6674.09 ms. Allocated memory was 402.7 MB in the beginning and 736.6 MB in the end (delta: 334.0 MB). Free memory was 335.3 MB in the beginning and 500.4 MB in the end (delta: -165.1 MB). Peak memory consumption was 168.9 MB. Max. memory is 5.3 GB. [2018-04-10 15:13:03,506 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 402.7 MB. Free memory is still 361.9 MB. There was no memory consumed. Max. memory is 5.3 GB. [2018-04-10 15:13:03,506 INFO L168 Benchmark]: CACSL2BoogieTranslator took 252.74 ms. Allocated memory is still 402.7 MB. Free memory was 334.0 MB in the beginning and 306.2 MB in the end (delta: 27.8 MB). Peak memory consumption was 27.8 MB. Max. memory is 5.3 GB. [2018-04-10 15:13:03,506 INFO L168 Benchmark]: Boogie Preprocessor took 44.02 ms. Allocated memory is still 402.7 MB. Free memory was 306.2 MB in the beginning and 303.6 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 5.3 GB. [2018-04-10 15:13:03,506 INFO L168 Benchmark]: RCFGBuilder took 587.48 ms. Allocated memory was 402.7 MB in the beginning and 610.8 MB in the end (delta: 208.1 MB). Free memory was 303.6 MB in the beginning and 523.1 MB in the end (delta: -219.5 MB). Peak memory consumption was 24.3 MB. Max. memory is 5.3 GB. [2018-04-10 15:13:03,507 INFO L168 Benchmark]: TraceAbstraction took 5787.10 ms. Allocated memory was 610.8 MB in the beginning and 736.6 MB in the end (delta: 125.8 MB). Free memory was 523.1 MB in the beginning and 500.4 MB in the end (delta: 22.7 MB). Peak memory consumption was 148.6 MB. Max. memory is 5.3 GB. [2018-04-10 15:13:03,508 INFO L344 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 402.7 MB. Free memory is still 361.9 MB. There was no memory consumed. Max. memory is 5.3 GB. * CACSL2BoogieTranslator took 252.74 ms. Allocated memory is still 402.7 MB. Free memory was 334.0 MB in the beginning and 306.2 MB in the end (delta: 27.8 MB). Peak memory consumption was 27.8 MB. Max. memory is 5.3 GB. * Boogie Preprocessor took 44.02 ms. Allocated memory is still 402.7 MB. Free memory was 306.2 MB in the beginning and 303.6 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 5.3 GB. * RCFGBuilder took 587.48 ms. Allocated memory was 402.7 MB in the beginning and 610.8 MB in the end (delta: 208.1 MB). Free memory was 303.6 MB in the beginning and 523.1 MB in the end (delta: -219.5 MB). Peak memory consumption was 24.3 MB. Max. memory is 5.3 GB. * TraceAbstraction took 5787.10 ms. Allocated memory was 610.8 MB in the beginning and 736.6 MB in the end (delta: 125.8 MB). Free memory was 523.1 MB in the beginning and 500.4 MB in the end (delta: 22.7 MB). Peak memory consumption was 148.6 MB. Max. memory is 5.3 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 985]: not all allocated memory was freed not all allocated memory was freed We found a FailurePath: [L987] EXPR, FCALL malloc(sizeof(struct TSLL)) VAL [malloc(sizeof(struct TSLL))={14:0}] [L987] struct TSLL* null = malloc(sizeof(struct TSLL)); VAL [malloc(sizeof(struct TSLL))={14:0}, null={14:0}] [L988] FCALL null->next = ((void*)0) VAL [malloc(sizeof(struct TSLL))={14:0}, null={14:0}] [L989] FCALL null->prev = ((void*)0) VAL [malloc(sizeof(struct TSLL))={14:0}, null={14:0}] [L990] FCALL null->colour = BLACK VAL [malloc(sizeof(struct TSLL))={14:0}, null={14:0}] [L992] EXPR, FCALL malloc(sizeof(struct TSLL)) VAL [malloc(sizeof(struct TSLL))={14:0}, malloc(sizeof(struct TSLL))={15:0}, null={14:0}] [L992] struct TSLL* list = malloc(sizeof(struct TSLL)); VAL [list={15:0}, malloc(sizeof(struct TSLL))={14:0}, malloc(sizeof(struct TSLL))={15:0}, null={14:0}] [L993] FCALL list->next = null VAL [list={15:0}, malloc(sizeof(struct TSLL))={15:0}, malloc(sizeof(struct TSLL))={14:0}, null={14:0}] [L994] FCALL list->prev = null VAL [list={15:0}, malloc(sizeof(struct TSLL))={14:0}, malloc(sizeof(struct TSLL))={15:0}, null={14:0}] [L995] FCALL list->colour = BLACK VAL [list={15:0}, malloc(sizeof(struct TSLL))={14:0}, malloc(sizeof(struct TSLL))={15:0}, null={14:0}] [L997] struct TSLL* end = list; VAL [end={15:0}, list={15:0}, malloc(sizeof(struct TSLL))={14:0}, malloc(sizeof(struct TSLL))={15:0}, null={14:0}] [L1000] COND FALSE !(__VERIFIER_nondet_int()) [L1026] end = null [L1027] end = list VAL [end={15:0}, list={15:0}, malloc(sizeof(struct TSLL))={14:0}, malloc(sizeof(struct TSLL))={15:0}, null={14:0}] [L1030] COND FALSE !(!(null != end)) VAL [end={15:0}, list={15:0}, malloc(sizeof(struct TSLL))={15:0}, malloc(sizeof(struct TSLL))={14:0}, null={14:0}] [L1030] COND FALSE !(0) VAL [end={15:0}, list={15:0}, malloc(sizeof(struct TSLL))={15:0}, malloc(sizeof(struct TSLL))={14:0}, null={14:0}] [L1031] EXPR, FCALL end->colour VAL [end={15:0}, end->colour=1, list={15:0}, malloc(sizeof(struct TSLL))={15:0}, malloc(sizeof(struct TSLL))={14:0}, null={14:0}] [L1031] COND FALSE !(!(BLACK == end->colour)) [L1031] COND FALSE !(0) VAL [end={15:0}, list={15:0}, malloc(sizeof(struct TSLL))={14:0}, malloc(sizeof(struct TSLL))={15:0}, null={14:0}] [L1032] COND TRUE null != end VAL [end={15:0}, list={15:0}, malloc(sizeof(struct TSLL))={15:0}, malloc(sizeof(struct TSLL))={14:0}, null={14:0}] [L1034] EXPR, FCALL end->colour VAL [end={15:0}, end->colour=1, list={15:0}, malloc(sizeof(struct TSLL))={15:0}, malloc(sizeof(struct TSLL))={14:0}, null={14:0}] [L1034] COND FALSE !(RED == end->colour) [L1041] EXPR, FCALL end->next VAL [end={15:0}, end->next={14:0}, list={15:0}, malloc(sizeof(struct TSLL))={14:0}, malloc(sizeof(struct TSLL))={15:0}, null={14:0}] [L1041] end = end->next [L1032] COND FALSE !(null != end) VAL [end={14:0}, list={15:0}, malloc(sizeof(struct TSLL))={14:0}, malloc(sizeof(struct TSLL))={15:0}, null={14:0}] [L1045] COND TRUE null != list VAL [end={14:0}, list={15:0}, malloc(sizeof(struct TSLL))={14:0}, malloc(sizeof(struct TSLL))={15:0}, null={14:0}] [L1047] EXPR, FCALL list->colour VAL [end={14:0}, list={15:0}, list->colour=1, malloc(sizeof(struct TSLL))={15:0}, malloc(sizeof(struct TSLL))={14:0}, null={14:0}] [L1047] COND FALSE !(RED == list->colour) [L1056] EXPR, FCALL list->next VAL [end={14:0}, list={15:0}, list->next={14:0}, malloc(sizeof(struct TSLL))={14:0}, malloc(sizeof(struct TSLL))={15:0}, null={14:0}] [L1056] end = list->next [L1057] free(list) VAL [end={14:0}, list={15:0}, malloc(sizeof(struct TSLL))={15:0}, malloc(sizeof(struct TSLL))={14:0}, null={14:0}] [L1057] free(list) VAL [end={14:0}, list={15:0}, malloc(sizeof(struct TSLL))={15:0}, malloc(sizeof(struct TSLL))={14:0}, null={14:0}] [L1057] FCALL free(list) VAL [end={14:0}, list={15:0}, malloc(sizeof(struct TSLL))={14:0}, malloc(sizeof(struct TSLL))={15:0}, null={14:0}] [L1058] list = end VAL [end={14:0}, list={14:0}, malloc(sizeof(struct TSLL))={14:0}, malloc(sizeof(struct TSLL))={15:0}, null={14:0}] [L1045] COND FALSE !(null != list) VAL [end={14:0}, list={14:0}, malloc(sizeof(struct TSLL))={14:0}, malloc(sizeof(struct TSLL))={15:0}, null={14:0}] [L1062] return 0; VAL [\result=0, end={14:0}, list={14:0}, malloc(sizeof(struct TSLL))={15:0}, malloc(sizeof(struct TSLL))={14:0}, null={14:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 166 locations, 67 error locations. UNSAFE Result, 5.7s OverallTime, 21 OverallIterations, 2 TraceHistogramMax, 4.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 2076 SDtfs, 4317 SDslu, 4214 SDs, 0 SdLazy, 5106 SolverSat, 242 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 190 GetRequests, 29 SyntacticMatches, 4 SemanticMatches, 157 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 87 ImplicationChecksByTransitivity, 1.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=175occurred in iteration=14, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 4/12 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 20 MinimizatonAttempts, 704 StatesRemovedByMinimization, 19 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.1s InterpolantComputationTime, 616 NumberOfCodeBlocks, 616 NumberOfCodeBlocksAsserted, 21 NumberOfCheckSat, 547 ConstructedInterpolants, 0 QuantifiedInterpolants, 73200 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 20 InterpolantComputations, 17 PerfectInterpolantSequences, 4/12 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Written .csv to /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/dll-rb-sentinel_false-unreach-call_false-valid-memtrack.i_svcomp-DerefFreeMemtrack-32bit-Automizer_SmtInterpol_Array.epf_AutomizerC.xml/Csv-Benchmark-0-2018-04-10_15-13-03-515.csv Written .csv to /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/dll-rb-sentinel_false-unreach-call_false-valid-memtrack.i_svcomp-DerefFreeMemtrack-32bit-Automizer_SmtInterpol_Array.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-0-2018-04-10_15-13-03-515.csv Received shutdown request...