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_Camel.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 13:56:38,672 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-04-10 13:56:38,674 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-04-10 13:56:38,685 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-04-10 13:56:38,686 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-04-10 13:56:38,686 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-04-10 13:56:38,687 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-04-10 13:56:38,689 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-04-10 13:56:38,690 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-04-10 13:56:38,691 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-04-10 13:56:38,692 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-04-10 13:56:38,692 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-04-10 13:56:38,693 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-04-10 13:56:38,694 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-04-10 13:56:38,694 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-04-10 13:56:38,696 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-04-10 13:56:38,697 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-04-10 13:56:38,699 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-04-10 13:56:38,700 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-04-10 13:56:38,701 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-04-10 13:56:38,702 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2018-04-10 13:56:38,707 INFO L98 SettingsManager]: Beginning loading settings from /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/cade18-smtinterpol/svcomp-DerefFreeMemtrack-32bit-Automizer_Camel.epf [2018-04-10 13:56:38,719 INFO L110 SettingsManager]: Loading preferences was successful [2018-04-10 13:56:38,719 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-04-10 13:56:38,720 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-04-10 13:56:38,720 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-04-10 13:56:38,720 INFO L133 SettingsManager]: * Use SBE=true [2018-04-10 13:56:38,720 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-04-10 13:56:38,720 INFO L133 SettingsManager]: * sizeof long=4 [2018-04-10 13:56:38,720 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-04-10 13:56:38,721 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-04-10 13:56:38,721 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-04-10 13:56:38,721 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-04-10 13:56:38,721 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-04-10 13:56:38,721 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2018-04-10 13:56:38,721 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-04-10 13:56:38,721 INFO L133 SettingsManager]: * sizeof long double=12 [2018-04-10 13:56:38,721 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-04-10 13:56:38,721 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-04-10 13:56:38,721 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-04-10 13:56:38,721 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-04-10 13:56:38,722 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-04-10 13:56:38,722 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-04-10 13:56:38,722 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-04-10 13:56:38,722 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-04-10 13:56:38,722 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-04-10 13:56:38,747 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-04-10 13:56:38,755 INFO L266 ainManager$Toolchain]: [Toolchain 1]: Parser(s) successfully (re)initialized [2018-04-10 13:56:38,758 INFO L222 ainManager$Toolchain]: [Toolchain 1]: Toolchain data selected. [2018-04-10 13:56:38,759 INFO L271 PluginConnector]: Initializing CDTParser... [2018-04-10 13:56:38,759 INFO L276 PluginConnector]: CDTParser initialized [2018-04-10 13:56:38,760 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 13:56:39,109 INFO L225 CDTParser]: Created temporary CDT project at /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/data/FLAG909d6cedb [2018-04-10 13:56:39,242 INFO L287 CDTParser]: IsIndexed: true [2018-04-10 13:56:39,242 INFO L288 CDTParser]: Found 1 translation units. [2018-04-10 13:56:39,242 INFO L168 CDTParser]: Scanning dll-rb-sentinel_false-unreach-call_false-valid-memtrack.i [2018-04-10 13:56:39,249 INFO L210 ultiparseSymbolTable]: Include resolver: [2018-04-10 13:56:39,249 INFO L215 ultiparseSymbolTable]: [2018-04-10 13:56:39,249 INFO L218 ultiparseSymbolTable]: Function table: [2018-04-10 13:56:39,250 INFO L221 ultiparseSymbolTable]: Function definition of null ('main') in dll-rb-sentinel_false-unreach-call_false-valid-memtrack.i [2018-04-10 13:56:39,250 INFO L227 ultiparseSymbolTable]: Global variable table: [2018-04-10 13:56:39,250 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 13:56:39,250 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 13:56:39,250 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 13:56:39,250 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 13:56:39,250 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 13:56:39,250 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 13:56:39,250 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 13:56:39,251 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 13:56:39,251 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 13:56:39,251 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 13:56:39,251 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 13:56:39,251 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 13:56:39,251 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 13:56:39,251 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 13:56:39,251 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 13:56:39,251 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 13:56:39,251 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 13:56:39,252 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 13:56:39,252 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 13:56:39,252 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 13:56:39,252 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 13:56:39,252 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 13:56:39,252 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 13:56:39,252 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 13:56:39,252 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 13:56:39,252 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 13:56:39,253 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 13:56:39,253 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 13:56:39,253 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 13:56:39,253 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 13:56:39,253 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 13:56:39,253 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 13:56:39,253 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 13:56:39,253 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 13:56:39,253 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 13:56:39,253 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 13:56:39,254 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 13:56:39,254 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 13:56:39,254 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 13:56:39,254 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 13:56:39,254 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 13:56:39,254 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 13:56:39,254 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 13:56:39,254 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 13:56:39,254 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 13:56:39,254 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 13:56:39,254 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 13:56:39,254 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 13:56:39,254 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 13:56:39,254 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 13:56:39,254 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 13:56:39,255 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 13:56:39,255 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 13:56:39,255 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 13:56:39,255 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 13:56:39,255 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 13:56:39,255 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 13:56:39,255 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 13:56:39,255 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 13:56:39,255 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 13:56:39,255 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 13:56:39,255 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 13:56:39,255 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 13:56:39,255 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 13:56:39,255 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 13:56:39,255 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 13:56:39,255 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 13:56:39,255 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 13:56:39,255 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 13:56:39,256 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 13:56:39,256 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 13:56:39,256 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 13:56:39,256 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 13:56:39,256 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 13:56:39,256 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 13:56:39,256 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 13:56:39,256 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 13:56:39,256 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 13:56:39,256 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 13:56:39,256 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 13:56:39,256 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 13:56:39,256 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 13:56:39,256 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 13:56:39,256 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 13:56:39,257 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 13:56:39,257 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 13:56:39,257 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 13:56:39,257 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 13:56:39,257 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 13:56:39,257 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 13:56:39,257 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 13:56:39,257 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 13:56:39,257 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 13:56:39,257 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 13:56:39,257 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 13:56:39,257 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 13:56:39,258 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 13:56:39,258 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 13:56:39,258 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 13:56:39,258 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 13:56:39,258 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 13:56:39,258 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 13:56:39,258 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 13:56:39,258 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 13:56:39,258 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 13:56:39,258 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 13:56:39,258 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 13:56:39,258 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 13:56:39,259 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 13:56:39,259 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 13:56:39,259 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 13:56:39,259 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 13:56:39,259 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 13:56:39,259 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 13:56:39,259 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 13:56:39,259 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 13:56:39,259 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 13:56:39,259 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 13:56:39,259 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 13:56:39,260 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 13:56:39,260 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 13:56:39,286 INFO L330 CDTParser]: Deleted temporary CDT project at /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/data/FLAG909d6cedb [2018-04-10 13:56:39,290 INFO L304 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-04-10 13:56:39,291 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-04-10 13:56:39,291 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-04-10 13:56:39,291 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-04-10 13:56:39,297 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-04-10 13:56:39,298 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.04 01:56:39" (1/1) ... [2018-04-10 13:56:39,300 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7fe1c909 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.04 01:56:39, skipping insertion in model container [2018-04-10 13:56:39,300 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.04 01:56:39" (1/1) ... [2018-04-10 13:56:39,315 INFO L167 Dispatcher]: Using SV-COMP mode [2018-04-10 13:56:39,343 INFO L167 Dispatcher]: Using SV-COMP mode [2018-04-10 13:56:39,503 INFO L175 PostProcessor]: Settings: Checked method=main [2018-04-10 13:56:39,543 INFO L175 PostProcessor]: Settings: Checked method=main [2018-04-10 13:56:39,549 INFO L100 SccComputation]: Graph consists of 0 InCaSumBalls and 115 non ball SCCs. Number of states in SCCs 115. [2018-04-10 13:56:39,593 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.04 01:56:39 WrapperNode [2018-04-10 13:56:39,593 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-04-10 13:56:39,594 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-04-10 13:56:39,594 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-04-10 13:56:39,594 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-04-10 13:56:39,607 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.04 01:56:39" (1/1) ... [2018-04-10 13:56:39,607 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.04 01:56:39" (1/1) ... [2018-04-10 13:56:39,620 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.04 01:56:39" (1/1) ... [2018-04-10 13:56:39,621 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.04 01:56:39" (1/1) ... [2018-04-10 13:56:39,629 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.04 01:56:39" (1/1) ... [2018-04-10 13:56:39,634 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.04 01:56:39" (1/1) ... [2018-04-10 13:56:39,637 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.04 01:56:39" (1/1) ... [2018-04-10 13:56:39,641 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-04-10 13:56:39,641 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-04-10 13:56:39,641 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-04-10 13:56:39,641 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-04-10 13:56:39,642 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.04 01:56:39" (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 13:56:39,726 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-04-10 13:56:39,726 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-04-10 13:56:39,726 INFO L136 BoogieDeclarations]: Found implementation of procedure main [2018-04-10 13:56:39,726 INFO L128 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2018-04-10 13:56:39,726 INFO L128 BoogieDeclarations]: Found specification of procedure atof [2018-04-10 13:56:39,726 INFO L128 BoogieDeclarations]: Found specification of procedure atoi [2018-04-10 13:56:39,726 INFO L128 BoogieDeclarations]: Found specification of procedure atol [2018-04-10 13:56:39,726 INFO L128 BoogieDeclarations]: Found specification of procedure atoll [2018-04-10 13:56:39,727 INFO L128 BoogieDeclarations]: Found specification of procedure strtod [2018-04-10 13:56:39,727 INFO L128 BoogieDeclarations]: Found specification of procedure strtof [2018-04-10 13:56:39,727 INFO L128 BoogieDeclarations]: Found specification of procedure strtold [2018-04-10 13:56:39,727 INFO L128 BoogieDeclarations]: Found specification of procedure strtol [2018-04-10 13:56:39,727 INFO L128 BoogieDeclarations]: Found specification of procedure strtoul [2018-04-10 13:56:39,727 INFO L128 BoogieDeclarations]: Found specification of procedure strtoq [2018-04-10 13:56:39,727 INFO L128 BoogieDeclarations]: Found specification of procedure strtouq [2018-04-10 13:56:39,727 INFO L128 BoogieDeclarations]: Found specification of procedure strtoll [2018-04-10 13:56:39,727 INFO L128 BoogieDeclarations]: Found specification of procedure strtoull [2018-04-10 13:56:39,727 INFO L128 BoogieDeclarations]: Found specification of procedure l64a [2018-04-10 13:56:39,728 INFO L128 BoogieDeclarations]: Found specification of procedure a64l [2018-04-10 13:56:39,728 INFO L128 BoogieDeclarations]: Found specification of procedure select [2018-04-10 13:56:39,728 INFO L128 BoogieDeclarations]: Found specification of procedure pselect [2018-04-10 13:56:39,728 INFO L128 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2018-04-10 13:56:39,728 INFO L128 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2018-04-10 13:56:39,728 INFO L128 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2018-04-10 13:56:39,728 INFO L128 BoogieDeclarations]: Found specification of procedure random [2018-04-10 13:56:39,728 INFO L128 BoogieDeclarations]: Found specification of procedure srandom [2018-04-10 13:56:39,728 INFO L128 BoogieDeclarations]: Found specification of procedure initstate [2018-04-10 13:56:39,728 INFO L128 BoogieDeclarations]: Found specification of procedure setstate [2018-04-10 13:56:39,729 INFO L128 BoogieDeclarations]: Found specification of procedure random_r [2018-04-10 13:56:39,729 INFO L128 BoogieDeclarations]: Found specification of procedure srandom_r [2018-04-10 13:56:39,729 INFO L128 BoogieDeclarations]: Found specification of procedure initstate_r [2018-04-10 13:56:39,729 INFO L128 BoogieDeclarations]: Found specification of procedure setstate_r [2018-04-10 13:56:39,729 INFO L128 BoogieDeclarations]: Found specification of procedure rand [2018-04-10 13:56:39,729 INFO L128 BoogieDeclarations]: Found specification of procedure srand [2018-04-10 13:56:39,729 INFO L128 BoogieDeclarations]: Found specification of procedure rand_r [2018-04-10 13:56:39,729 INFO L128 BoogieDeclarations]: Found specification of procedure drand48 [2018-04-10 13:56:39,729 INFO L128 BoogieDeclarations]: Found specification of procedure erand48 [2018-04-10 13:56:39,729 INFO L128 BoogieDeclarations]: Found specification of procedure lrand48 [2018-04-10 13:56:39,730 INFO L128 BoogieDeclarations]: Found specification of procedure nrand48 [2018-04-10 13:56:39,730 INFO L128 BoogieDeclarations]: Found specification of procedure mrand48 [2018-04-10 13:56:39,730 INFO L128 BoogieDeclarations]: Found specification of procedure jrand48 [2018-04-10 13:56:39,730 INFO L128 BoogieDeclarations]: Found specification of procedure srand48 [2018-04-10 13:56:39,730 INFO L128 BoogieDeclarations]: Found specification of procedure seed48 [2018-04-10 13:56:39,730 INFO L128 BoogieDeclarations]: Found specification of procedure lcong48 [2018-04-10 13:56:39,730 INFO L128 BoogieDeclarations]: Found specification of procedure drand48_r [2018-04-10 13:56:39,730 INFO L128 BoogieDeclarations]: Found specification of procedure erand48_r [2018-04-10 13:56:39,730 INFO L128 BoogieDeclarations]: Found specification of procedure lrand48_r [2018-04-10 13:56:39,731 INFO L128 BoogieDeclarations]: Found specification of procedure nrand48_r [2018-04-10 13:56:39,731 INFO L128 BoogieDeclarations]: Found specification of procedure mrand48_r [2018-04-10 13:56:39,731 INFO L128 BoogieDeclarations]: Found specification of procedure jrand48_r [2018-04-10 13:56:39,731 INFO L128 BoogieDeclarations]: Found specification of procedure srand48_r [2018-04-10 13:56:39,731 INFO L128 BoogieDeclarations]: Found specification of procedure seed48_r [2018-04-10 13:56:39,731 INFO L128 BoogieDeclarations]: Found specification of procedure lcong48_r [2018-04-10 13:56:39,731 INFO L128 BoogieDeclarations]: Found specification of procedure malloc [2018-04-10 13:56:39,731 INFO L128 BoogieDeclarations]: Found specification of procedure calloc [2018-04-10 13:56:39,731 INFO L128 BoogieDeclarations]: Found specification of procedure realloc [2018-04-10 13:56:39,731 INFO L128 BoogieDeclarations]: Found specification of procedure free [2018-04-10 13:56:39,731 INFO L128 BoogieDeclarations]: Found specification of procedure cfree [2018-04-10 13:56:39,732 INFO L128 BoogieDeclarations]: Found specification of procedure alloca [2018-04-10 13:56:39,732 INFO L128 BoogieDeclarations]: Found specification of procedure valloc [2018-04-10 13:56:39,732 INFO L128 BoogieDeclarations]: Found specification of procedure posix_memalign [2018-04-10 13:56:39,732 INFO L128 BoogieDeclarations]: Found specification of procedure aligned_alloc [2018-04-10 13:56:39,732 INFO L128 BoogieDeclarations]: Found specification of procedure abort [2018-04-10 13:56:39,732 INFO L128 BoogieDeclarations]: Found specification of procedure atexit [2018-04-10 13:56:39,732 INFO L128 BoogieDeclarations]: Found specification of procedure at_quick_exit [2018-04-10 13:56:39,732 INFO L128 BoogieDeclarations]: Found specification of procedure on_exit [2018-04-10 13:56:39,732 INFO L128 BoogieDeclarations]: Found specification of procedure exit [2018-04-10 13:56:39,732 INFO L128 BoogieDeclarations]: Found specification of procedure quick_exit [2018-04-10 13:56:39,733 INFO L128 BoogieDeclarations]: Found specification of procedure _Exit [2018-04-10 13:56:39,733 INFO L128 BoogieDeclarations]: Found specification of procedure getenv [2018-04-10 13:56:39,733 INFO L128 BoogieDeclarations]: Found specification of procedure putenv [2018-04-10 13:56:39,733 INFO L128 BoogieDeclarations]: Found specification of procedure setenv [2018-04-10 13:56:39,733 INFO L128 BoogieDeclarations]: Found specification of procedure unsetenv [2018-04-10 13:56:39,733 INFO L128 BoogieDeclarations]: Found specification of procedure clearenv [2018-04-10 13:56:39,733 INFO L128 BoogieDeclarations]: Found specification of procedure mktemp [2018-04-10 13:56:39,733 INFO L128 BoogieDeclarations]: Found specification of procedure mkstemp [2018-04-10 13:56:39,733 INFO L128 BoogieDeclarations]: Found specification of procedure mkstemps [2018-04-10 13:56:39,733 INFO L128 BoogieDeclarations]: Found specification of procedure mkdtemp [2018-04-10 13:56:39,733 INFO L128 BoogieDeclarations]: Found specification of procedure system [2018-04-10 13:56:39,733 INFO L128 BoogieDeclarations]: Found specification of procedure realpath [2018-04-10 13:56:39,733 INFO L128 BoogieDeclarations]: Found specification of procedure bsearch [2018-04-10 13:56:39,733 INFO L128 BoogieDeclarations]: Found specification of procedure qsort [2018-04-10 13:56:39,733 INFO L128 BoogieDeclarations]: Found specification of procedure abs [2018-04-10 13:56:39,733 INFO L128 BoogieDeclarations]: Found specification of procedure labs [2018-04-10 13:56:39,733 INFO L128 BoogieDeclarations]: Found specification of procedure llabs [2018-04-10 13:56:39,734 INFO L128 BoogieDeclarations]: Found specification of procedure div [2018-04-10 13:56:39,734 INFO L128 BoogieDeclarations]: Found specification of procedure ldiv [2018-04-10 13:56:39,734 INFO L128 BoogieDeclarations]: Found specification of procedure lldiv [2018-04-10 13:56:39,734 INFO L128 BoogieDeclarations]: Found specification of procedure ecvt [2018-04-10 13:56:39,734 INFO L128 BoogieDeclarations]: Found specification of procedure fcvt [2018-04-10 13:56:39,734 INFO L128 BoogieDeclarations]: Found specification of procedure gcvt [2018-04-10 13:56:39,734 INFO L128 BoogieDeclarations]: Found specification of procedure qecvt [2018-04-10 13:56:39,734 INFO L128 BoogieDeclarations]: Found specification of procedure qfcvt [2018-04-10 13:56:39,734 INFO L128 BoogieDeclarations]: Found specification of procedure qgcvt [2018-04-10 13:56:39,734 INFO L128 BoogieDeclarations]: Found specification of procedure ecvt_r [2018-04-10 13:56:39,734 INFO L128 BoogieDeclarations]: Found specification of procedure fcvt_r [2018-04-10 13:56:39,734 INFO L128 BoogieDeclarations]: Found specification of procedure qecvt_r [2018-04-10 13:56:39,734 INFO L128 BoogieDeclarations]: Found specification of procedure qfcvt_r [2018-04-10 13:56:39,734 INFO L128 BoogieDeclarations]: Found specification of procedure mblen [2018-04-10 13:56:39,734 INFO L128 BoogieDeclarations]: Found specification of procedure mbtowc [2018-04-10 13:56:39,734 INFO L128 BoogieDeclarations]: Found specification of procedure wctomb [2018-04-10 13:56:39,735 INFO L128 BoogieDeclarations]: Found specification of procedure mbstowcs [2018-04-10 13:56:39,735 INFO L128 BoogieDeclarations]: Found specification of procedure wcstombs [2018-04-10 13:56:39,735 INFO L128 BoogieDeclarations]: Found specification of procedure rpmatch [2018-04-10 13:56:39,735 INFO L128 BoogieDeclarations]: Found specification of procedure getsubopt [2018-04-10 13:56:39,735 INFO L128 BoogieDeclarations]: Found specification of procedure getloadavg [2018-04-10 13:56:39,735 INFO L128 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-04-10 13:56:39,735 INFO L128 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-04-10 13:56:39,735 INFO L128 BoogieDeclarations]: Found specification of procedure main [2018-04-10 13:56:39,735 INFO L128 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-04-10 13:56:39,735 INFO L128 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2018-04-10 13:56:39,735 INFO L128 BoogieDeclarations]: Found specification of procedure write~int [2018-04-10 13:56:39,736 INFO L128 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2018-04-10 13:56:39,736 INFO L128 BoogieDeclarations]: Found specification of procedure read~int [2018-04-10 13:56:39,736 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-04-10 13:56:39,736 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-04-10 13:56:39,736 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-04-10 13:56:39,736 INFO L128 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2018-04-10 13:56:40,207 INFO L259 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-04-10 13:56:40,208 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.04 01:56:40 BoogieIcfgContainer [2018-04-10 13:56:40,208 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-04-10 13:56:40,208 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-04-10 13:56:40,208 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-04-10 13:56:40,210 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-04-10 13:56:40,210 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.04 01:56:39" (1/3) ... [2018-04-10 13:56:40,211 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@27ed29f1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.04 01:56:40, skipping insertion in model container [2018-04-10 13:56:40,211 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.04 01:56:39" (2/3) ... [2018-04-10 13:56:40,211 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@27ed29f1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.04 01:56:40, skipping insertion in model container [2018-04-10 13:56:40,211 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.04 01:56:40" (3/3) ... [2018-04-10 13:56:40,213 INFO L107 eAbstractionObserver]: Analyzing ICFG dll-rb-sentinel_false-unreach-call_false-valid-memtrack.i [2018-04-10 13:56:40,219 INFO L131 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-04-10 13:56:40,225 INFO L143 ceAbstractionStarter]: Appying trace abstraction to program that has 67 error locations. [2018-04-10 13:56:40,251 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2018-04-10 13:56:40,251 INFO L369 AbstractCegarLoop]: Interprodecural is true [2018-04-10 13:56:40,251 INFO L370 AbstractCegarLoop]: Hoare is false [2018-04-10 13:56:40,251 INFO L371 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-04-10 13:56:40,252 INFO L372 AbstractCegarLoop]: Backedges is TWOTRACK [2018-04-10 13:56:40,252 INFO L373 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-04-10 13:56:40,252 INFO L374 AbstractCegarLoop]: Difference is false [2018-04-10 13:56:40,252 INFO L375 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-04-10 13:56:40,252 INFO L380 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-04-10 13:56:40,252 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-04-10 13:56:40,263 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states. [2018-04-10 13:56:40,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-04-10 13:56:40,270 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 13:56:40,270 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2018-04-10 13:56:40,270 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 13:56:40,273 INFO L82 PathProgramCache]: Analyzing trace with hash 174214734, now seen corresponding path program 1 times [2018-04-10 13:56:40,274 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-10 13:56:40,275 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-10 13:56:40,309 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-10 13:56:40,309 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-10 13:56:40,309 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-10 13:56:40,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 13:56:40,338 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-10 13:56:40,381 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 13:56:40,383 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-10 13:56:40,383 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-04-10 13:56:40,384 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-04-10 13:56:40,393 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-04-10 13:56:40,394 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-04-10 13:56:40,396 INFO L87 Difference]: Start difference. First operand 166 states. Second operand 4 states. [2018-04-10 13:56:40,641 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 13:56:40,641 INFO L93 Difference]: Finished difference Result 191 states and 198 transitions. [2018-04-10 13:56:40,641 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-04-10 13:56:40,642 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 8 [2018-04-10 13:56:40,643 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 13:56:40,652 INFO L225 Difference]: With dead ends: 191 [2018-04-10 13:56:40,653 INFO L226 Difference]: Without dead ends: 187 [2018-04-10 13:56:40,654 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 13:56:40,668 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 187 states. [2018-04-10 13:56:40,690 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 187 to 160. [2018-04-10 13:56:40,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 160 states. [2018-04-10 13:56:40,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 160 states and 165 transitions. [2018-04-10 13:56:40,694 INFO L78 Accepts]: Start accepts. Automaton has 160 states and 165 transitions. Word has length 8 [2018-04-10 13:56:40,694 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 13:56:40,695 INFO L459 AbstractCegarLoop]: Abstraction has 160 states and 165 transitions. [2018-04-10 13:56:40,695 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-04-10 13:56:40,695 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 165 transitions. [2018-04-10 13:56:40,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-04-10 13:56:40,695 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 13:56:40,695 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2018-04-10 13:56:40,695 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 13:56:40,696 INFO L82 PathProgramCache]: Analyzing trace with hash 174214735, now seen corresponding path program 1 times [2018-04-10 13:56:40,696 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-10 13:56:40,696 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-10 13:56:40,697 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-10 13:56:40,697 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-10 13:56:40,697 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-10 13:56:40,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 13:56:40,714 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-10 13:56:40,761 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 13:56:40,762 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-10 13:56:40,764 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-04-10 13:56:40,766 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-04-10 13:56:40,766 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-04-10 13:56:40,766 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-04-10 13:56:40,766 INFO L87 Difference]: Start difference. First operand 160 states and 165 transitions. Second operand 4 states. [2018-04-10 13:56:40,870 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 13:56:40,870 INFO L93 Difference]: Finished difference Result 157 states and 162 transitions. [2018-04-10 13:56:40,870 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-04-10 13:56:40,870 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 8 [2018-04-10 13:56:40,870 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 13:56:40,871 INFO L225 Difference]: With dead ends: 157 [2018-04-10 13:56:40,871 INFO L226 Difference]: Without dead ends: 157 [2018-04-10 13:56:40,872 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 13:56:40,872 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 157 states. [2018-04-10 13:56:40,875 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 157 to 157. [2018-04-10 13:56:40,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 157 states. [2018-04-10 13:56:40,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 157 states and 162 transitions. [2018-04-10 13:56:40,877 INFO L78 Accepts]: Start accepts. Automaton has 157 states and 162 transitions. Word has length 8 [2018-04-10 13:56:40,877 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 13:56:40,877 INFO L459 AbstractCegarLoop]: Abstraction has 157 states and 162 transitions. [2018-04-10 13:56:40,877 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-04-10 13:56:40,877 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 162 transitions. [2018-04-10 13:56:40,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-04-10 13:56:40,877 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 13:56:40,877 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-10 13:56:40,877 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 13:56:40,878 INFO L82 PathProgramCache]: Analyzing trace with hash -1062536033, now seen corresponding path program 1 times [2018-04-10 13:56:40,878 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-10 13:56:40,878 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-10 13:56:40,879 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-10 13:56:40,879 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-10 13:56:40,879 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-10 13:56:40,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 13:56:40,889 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-10 13:56:40,912 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 13:56:40,913 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-10 13:56:40,913 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-04-10 13:56:40,913 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-04-10 13:56:40,913 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-04-10 13:56:40,914 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-04-10 13:56:40,914 INFO L87 Difference]: Start difference. First operand 157 states and 162 transitions. Second operand 4 states. [2018-04-10 13:56:41,025 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 13:56:41,026 INFO L93 Difference]: Finished difference Result 172 states and 178 transitions. [2018-04-10 13:56:41,026 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-04-10 13:56:41,026 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 13 [2018-04-10 13:56:41,026 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 13:56:41,027 INFO L225 Difference]: With dead ends: 172 [2018-04-10 13:56:41,027 INFO L226 Difference]: Without dead ends: 172 [2018-04-10 13:56:41,028 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 13:56:41,028 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 172 states. [2018-04-10 13:56:41,033 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 172 to 153. [2018-04-10 13:56:41,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 153 states. [2018-04-10 13:56:41,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 153 states and 160 transitions. [2018-04-10 13:56:41,038 INFO L78 Accepts]: Start accepts. Automaton has 153 states and 160 transitions. Word has length 13 [2018-04-10 13:56:41,039 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 13:56:41,039 INFO L459 AbstractCegarLoop]: Abstraction has 153 states and 160 transitions. [2018-04-10 13:56:41,039 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-04-10 13:56:41,039 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 160 transitions. [2018-04-10 13:56:41,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-04-10 13:56:41,040 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 13:56:41,040 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-10 13:56:41,040 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 13:56:41,040 INFO L82 PathProgramCache]: Analyzing trace with hash -1062536032, now seen corresponding path program 1 times [2018-04-10 13:56:41,040 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-10 13:56:41,040 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-10 13:56:41,042 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-10 13:56:41,042 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-10 13:56:41,043 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-10 13:56:41,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 13:56:41,059 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-10 13:56:41,113 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 13:56:41,113 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-10 13:56:41,114 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-04-10 13:56:41,114 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-04-10 13:56:41,114 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-04-10 13:56:41,114 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-04-10 13:56:41,114 INFO L87 Difference]: Start difference. First operand 153 states and 160 transitions. Second operand 4 states. [2018-04-10 13:56:41,201 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 13:56:41,201 INFO L93 Difference]: Finished difference Result 169 states and 175 transitions. [2018-04-10 13:56:41,202 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-04-10 13:56:41,202 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 13 [2018-04-10 13:56:41,202 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 13:56:41,203 INFO L225 Difference]: With dead ends: 169 [2018-04-10 13:56:41,203 INFO L226 Difference]: Without dead ends: 169 [2018-04-10 13:56:41,203 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 13:56:41,203 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 169 states. [2018-04-10 13:56:41,208 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 169 to 157. [2018-04-10 13:56:41,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 157 states. [2018-04-10 13:56:41,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 157 states and 164 transitions. [2018-04-10 13:56:41,209 INFO L78 Accepts]: Start accepts. Automaton has 157 states and 164 transitions. Word has length 13 [2018-04-10 13:56:41,209 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 13:56:41,210 INFO L459 AbstractCegarLoop]: Abstraction has 157 states and 164 transitions. [2018-04-10 13:56:41,210 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-04-10 13:56:41,210 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 164 transitions. [2018-04-10 13:56:41,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-04-10 13:56:41,210 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 13:56:41,211 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 13:56:41,211 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 13:56:41,211 INFO L82 PathProgramCache]: Analyzing trace with hash 628133548, now seen corresponding path program 1 times [2018-04-10 13:56:41,211 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-10 13:56:41,211 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-10 13:56:41,213 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-10 13:56:41,213 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-10 13:56:41,213 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-10 13:56:41,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 13:56:41,233 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-10 13:56:41,273 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 13:56:41,273 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-10 13:56:41,274 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-04-10 13:56:41,274 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-04-10 13:56:41,274 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-04-10 13:56:41,274 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-04-10 13:56:41,274 INFO L87 Difference]: Start difference. First operand 157 states and 164 transitions. Second operand 4 states. [2018-04-10 13:56:41,364 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 13:56:41,364 INFO L93 Difference]: Finished difference Result 160 states and 168 transitions. [2018-04-10 13:56:41,364 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-04-10 13:56:41,365 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 21 [2018-04-10 13:56:41,365 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 13:56:41,365 INFO L225 Difference]: With dead ends: 160 [2018-04-10 13:56:41,365 INFO L226 Difference]: Without dead ends: 160 [2018-04-10 13:56:41,366 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 13:56:41,366 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 160 states. [2018-04-10 13:56:41,369 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 160 to 145. [2018-04-10 13:56:41,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 145 states. [2018-04-10 13:56:41,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 145 states and 154 transitions. [2018-04-10 13:56:41,370 INFO L78 Accepts]: Start accepts. Automaton has 145 states and 154 transitions. Word has length 21 [2018-04-10 13:56:41,370 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 13:56:41,370 INFO L459 AbstractCegarLoop]: Abstraction has 145 states and 154 transitions. [2018-04-10 13:56:41,370 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-04-10 13:56:41,370 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 154 transitions. [2018-04-10 13:56:41,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-04-10 13:56:41,370 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 13:56:41,370 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 13:56:41,370 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 13:56:41,370 INFO L82 PathProgramCache]: Analyzing trace with hash 628133549, now seen corresponding path program 1 times [2018-04-10 13:56:41,371 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-10 13:56:41,371 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-10 13:56:41,372 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-10 13:56:41,372 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-10 13:56:41,372 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-10 13:56:41,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 13:56:41,387 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-10 13:56:41,435 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 13:56:41,435 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-10 13:56:41,435 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-04-10 13:56:41,436 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-04-10 13:56:41,436 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-04-10 13:56:41,436 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-04-10 13:56:41,436 INFO L87 Difference]: Start difference. First operand 145 states and 154 transitions. Second operand 5 states. [2018-04-10 13:56:41,627 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 13:56:41,627 INFO L93 Difference]: Finished difference Result 185 states and 195 transitions. [2018-04-10 13:56:41,627 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-04-10 13:56:41,627 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 21 [2018-04-10 13:56:41,628 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 13:56:41,628 INFO L225 Difference]: With dead ends: 185 [2018-04-10 13:56:41,628 INFO L226 Difference]: Without dead ends: 185 [2018-04-10 13:56:41,629 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 13:56:41,629 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 185 states. [2018-04-10 13:56:41,632 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 185 to 156. [2018-04-10 13:56:41,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 156 states. [2018-04-10 13:56:41,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 156 states and 168 transitions. [2018-04-10 13:56:41,634 INFO L78 Accepts]: Start accepts. Automaton has 156 states and 168 transitions. Word has length 21 [2018-04-10 13:56:41,634 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 13:56:41,634 INFO L459 AbstractCegarLoop]: Abstraction has 156 states and 168 transitions. [2018-04-10 13:56:41,634 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-04-10 13:56:41,634 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 168 transitions. [2018-04-10 13:56:41,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-04-10 13:56:41,635 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 13:56:41,635 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 13:56:41,635 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 13:56:41,636 INFO L82 PathProgramCache]: Analyzing trace with hash -1954048785, now seen corresponding path program 1 times [2018-04-10 13:56:41,636 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-10 13:56:41,636 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-10 13:56:41,637 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-10 13:56:41,637 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-10 13:56:41,637 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-10 13:56:41,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 13:56:41,649 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-10 13:56:41,673 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 13:56:41,673 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-10 13:56:41,673 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-04-10 13:56:41,673 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-04-10 13:56:41,673 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-04-10 13:56:41,674 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-04-10 13:56:41,674 INFO L87 Difference]: Start difference. First operand 156 states and 168 transitions. Second operand 5 states. [2018-04-10 13:56:41,788 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 13:56:41,788 INFO L93 Difference]: Finished difference Result 207 states and 223 transitions. [2018-04-10 13:56:41,788 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-04-10 13:56:41,789 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 23 [2018-04-10 13:56:41,789 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 13:56:41,790 INFO L225 Difference]: With dead ends: 207 [2018-04-10 13:56:41,790 INFO L226 Difference]: Without dead ends: 207 [2018-04-10 13:56:41,790 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 13:56:41,791 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 207 states. [2018-04-10 13:56:41,793 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 207 to 155. [2018-04-10 13:56:41,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 155 states. [2018-04-10 13:56:41,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 155 states and 166 transitions. [2018-04-10 13:56:41,794 INFO L78 Accepts]: Start accepts. Automaton has 155 states and 166 transitions. Word has length 23 [2018-04-10 13:56:41,795 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 13:56:41,795 INFO L459 AbstractCegarLoop]: Abstraction has 155 states and 166 transitions. [2018-04-10 13:56:41,795 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-04-10 13:56:41,795 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 166 transitions. [2018-04-10 13:56:41,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-04-10 13:56:41,796 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 13:56:41,796 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 13:56:41,796 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 13:56:41,796 INFO L82 PathProgramCache]: Analyzing trace with hash -1954048784, now seen corresponding path program 1 times [2018-04-10 13:56:41,796 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-10 13:56:41,796 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-10 13:56:41,797 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-10 13:56:41,798 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-10 13:56:41,798 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-10 13:56:41,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 13:56:41,809 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-10 13:56:41,851 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 13:56:41,851 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-10 13:56:41,851 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-04-10 13:56:41,852 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-04-10 13:56:41,852 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-04-10 13:56:41,852 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-04-10 13:56:41,855 INFO L87 Difference]: Start difference. First operand 155 states and 166 transitions. Second operand 5 states. [2018-04-10 13:56:42,102 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 13:56:42,102 INFO L93 Difference]: Finished difference Result 231 states and 248 transitions. [2018-04-10 13:56:42,102 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-04-10 13:56:42,102 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 23 [2018-04-10 13:56:42,102 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 13:56:42,103 INFO L225 Difference]: With dead ends: 231 [2018-04-10 13:56:42,103 INFO L226 Difference]: Without dead ends: 231 [2018-04-10 13:56:42,103 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 13:56:42,103 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 231 states. [2018-04-10 13:56:42,106 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 231 to 154. [2018-04-10 13:56:42,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 154 states. [2018-04-10 13:56:42,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 154 states and 164 transitions. [2018-04-10 13:56:42,107 INFO L78 Accepts]: Start accepts. Automaton has 154 states and 164 transitions. Word has length 23 [2018-04-10 13:56:42,107 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 13:56:42,107 INFO L459 AbstractCegarLoop]: Abstraction has 154 states and 164 transitions. [2018-04-10 13:56:42,107 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-04-10 13:56:42,107 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 164 transitions. [2018-04-10 13:56:42,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-04-10 13:56:42,108 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 13:56:42,108 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 13:56:42,108 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 13:56:42,108 INFO L82 PathProgramCache]: Analyzing trace with hash -1563619919, now seen corresponding path program 1 times [2018-04-10 13:56:42,108 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-10 13:56:42,108 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-10 13:56:42,109 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-10 13:56:42,109 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-10 13:56:42,109 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-10 13:56:42,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 13:56:42,121 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-10 13:56:42,190 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 13:56:42,190 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-10 13:56:42,190 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-04-10 13:56:42,190 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-04-10 13:56:42,191 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-04-10 13:56:42,191 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2018-04-10 13:56:42,191 INFO L87 Difference]: Start difference. First operand 154 states and 164 transitions. Second operand 9 states. [2018-04-10 13:56:42,415 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 13:56:42,415 INFO L93 Difference]: Finished difference Result 167 states and 177 transitions. [2018-04-10 13:56:42,415 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-04-10 13:56:42,415 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 27 [2018-04-10 13:56:42,416 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 13:56:42,416 INFO L225 Difference]: With dead ends: 167 [2018-04-10 13:56:42,416 INFO L226 Difference]: Without dead ends: 167 [2018-04-10 13:56:42,417 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 13:56:42,417 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 167 states. [2018-04-10 13:56:42,419 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 167 to 153. [2018-04-10 13:56:42,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 153 states. [2018-04-10 13:56:42,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 153 states and 163 transitions. [2018-04-10 13:56:42,420 INFO L78 Accepts]: Start accepts. Automaton has 153 states and 163 transitions. Word has length 27 [2018-04-10 13:56:42,420 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 13:56:42,420 INFO L459 AbstractCegarLoop]: Abstraction has 153 states and 163 transitions. [2018-04-10 13:56:42,420 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-04-10 13:56:42,420 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 163 transitions. [2018-04-10 13:56:42,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-04-10 13:56:42,421 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 13:56:42,421 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 13:56:42,421 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 13:56:42,421 INFO L82 PathProgramCache]: Analyzing trace with hash -1563619918, now seen corresponding path program 1 times [2018-04-10 13:56:42,421 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-10 13:56:42,421 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-10 13:56:42,422 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-10 13:56:42,422 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-10 13:56:42,422 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-10 13:56:42,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 13:56:42,433 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-10 13:56:42,540 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 13:56:42,540 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-10 13:56:42,541 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-04-10 13:56:42,541 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-04-10 13:56:42,541 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-04-10 13:56:42,541 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2018-04-10 13:56:42,541 INFO L87 Difference]: Start difference. First operand 153 states and 163 transitions. Second operand 10 states. [2018-04-10 13:56:43,053 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 13:56:43,053 INFO L93 Difference]: Finished difference Result 183 states and 194 transitions. [2018-04-10 13:56:43,053 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-04-10 13:56:43,053 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 27 [2018-04-10 13:56:43,053 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 13:56:43,054 INFO L225 Difference]: With dead ends: 183 [2018-04-10 13:56:43,054 INFO L226 Difference]: Without dead ends: 183 [2018-04-10 13:56:43,054 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 13:56:43,055 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 183 states. [2018-04-10 13:56:43,058 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 183 to 158. [2018-04-10 13:56:43,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 158 states. [2018-04-10 13:56:43,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 158 states and 168 transitions. [2018-04-10 13:56:43,059 INFO L78 Accepts]: Start accepts. Automaton has 158 states and 168 transitions. Word has length 27 [2018-04-10 13:56:43,059 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 13:56:43,059 INFO L459 AbstractCegarLoop]: Abstraction has 158 states and 168 transitions. [2018-04-10 13:56:43,059 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-04-10 13:56:43,059 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 168 transitions. [2018-04-10 13:56:43,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-04-10 13:56:43,060 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 13:56:43,060 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 13:56:43,061 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 13:56:43,061 INFO L82 PathProgramCache]: Analyzing trace with hash 1535529887, now seen corresponding path program 1 times [2018-04-10 13:56:43,061 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-10 13:56:43,061 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-10 13:56:43,062 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-10 13:56:43,062 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-10 13:56:43,062 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-10 13:56:43,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 13:56:43,073 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-10 13:56:43,118 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 13:56:43,118 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-10 13:56:43,118 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-04-10 13:56:43,119 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-04-10 13:56:43,119 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-04-10 13:56:43,119 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-04-10 13:56:43,119 INFO L87 Difference]: Start difference. First operand 158 states and 168 transitions. Second operand 8 states. [2018-04-10 13:56:43,352 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 13:56:43,353 INFO L93 Difference]: Finished difference Result 186 states and 197 transitions. [2018-04-10 13:56:43,353 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-04-10 13:56:43,353 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 33 [2018-04-10 13:56:43,353 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 13:56:43,354 INFO L225 Difference]: With dead ends: 186 [2018-04-10 13:56:43,354 INFO L226 Difference]: Without dead ends: 186 [2018-04-10 13:56:43,354 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 13:56:43,354 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 186 states. [2018-04-10 13:56:43,356 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 186 to 158. [2018-04-10 13:56:43,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 158 states. [2018-04-10 13:56:43,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 158 states and 167 transitions. [2018-04-10 13:56:43,356 INFO L78 Accepts]: Start accepts. Automaton has 158 states and 167 transitions. Word has length 33 [2018-04-10 13:56:43,357 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 13:56:43,357 INFO L459 AbstractCegarLoop]: Abstraction has 158 states and 167 transitions. [2018-04-10 13:56:43,357 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-04-10 13:56:43,357 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 167 transitions. [2018-04-10 13:56:43,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-04-10 13:56:43,357 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 13:56:43,357 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 13:56:43,357 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 13:56:43,358 INFO L82 PathProgramCache]: Analyzing trace with hash 2090659852, now seen corresponding path program 1 times [2018-04-10 13:56:43,358 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-10 13:56:43,358 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-10 13:56:43,359 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-10 13:56:43,359 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-10 13:56:43,359 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-10 13:56:43,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 13:56:43,367 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-10 13:56:43,390 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 13:56:43,390 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-10 13:56:43,390 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-04-10 13:56:43,390 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-04-10 13:56:43,390 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-04-10 13:56:43,390 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-04-10 13:56:43,391 INFO L87 Difference]: Start difference. First operand 158 states and 167 transitions. Second operand 5 states. [2018-04-10 13:56:43,554 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 13:56:43,554 INFO L93 Difference]: Finished difference Result 236 states and 251 transitions. [2018-04-10 13:56:43,554 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-04-10 13:56:43,554 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 34 [2018-04-10 13:56:43,554 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 13:56:43,555 INFO L225 Difference]: With dead ends: 236 [2018-04-10 13:56:43,555 INFO L226 Difference]: Without dead ends: 236 [2018-04-10 13:56:43,555 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 13:56:43,556 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 236 states. [2018-04-10 13:56:43,558 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 236 to 157. [2018-04-10 13:56:43,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 157 states. [2018-04-10 13:56:43,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 157 states and 166 transitions. [2018-04-10 13:56:43,559 INFO L78 Accepts]: Start accepts. Automaton has 157 states and 166 transitions. Word has length 34 [2018-04-10 13:56:43,559 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 13:56:43,559 INFO L459 AbstractCegarLoop]: Abstraction has 157 states and 166 transitions. [2018-04-10 13:56:43,559 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-04-10 13:56:43,559 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 166 transitions. [2018-04-10 13:56:43,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-04-10 13:56:43,560 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 13:56:43,560 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 13:56:43,560 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 13:56:43,561 INFO L82 PathProgramCache]: Analyzing trace with hash 2090659853, now seen corresponding path program 1 times [2018-04-10 13:56:43,561 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-10 13:56:43,561 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-10 13:56:43,562 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-10 13:56:43,562 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-10 13:56:43,562 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-10 13:56:43,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 13:56:43,571 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-10 13:56:43,602 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 13:56:43,602 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-10 13:56:43,602 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-04-10 13:56:43,603 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-04-10 13:56:43,603 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-04-10 13:56:43,603 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-04-10 13:56:43,603 INFO L87 Difference]: Start difference. First operand 157 states and 166 transitions. Second operand 5 states. [2018-04-10 13:56:43,794 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 13:56:43,794 INFO L93 Difference]: Finished difference Result 260 states and 277 transitions. [2018-04-10 13:56:43,794 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-04-10 13:56:43,794 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 34 [2018-04-10 13:56:43,795 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 13:56:43,795 INFO L225 Difference]: With dead ends: 260 [2018-04-10 13:56:43,795 INFO L226 Difference]: Without dead ends: 260 [2018-04-10 13:56:43,795 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 13:56:43,796 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 260 states. [2018-04-10 13:56:43,797 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 260 to 156. [2018-04-10 13:56:43,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 156 states. [2018-04-10 13:56:43,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 156 states and 165 transitions. [2018-04-10 13:56:43,798 INFO L78 Accepts]: Start accepts. Automaton has 156 states and 165 transitions. Word has length 34 [2018-04-10 13:56:43,798 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 13:56:43,798 INFO L459 AbstractCegarLoop]: Abstraction has 156 states and 165 transitions. [2018-04-10 13:56:43,798 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-04-10 13:56:43,799 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 165 transitions. [2018-04-10 13:56:43,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-04-10 13:56:43,799 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 13:56:43,799 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 13:56:43,800 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 13:56:43,800 INFO L82 PathProgramCache]: Analyzing trace with hash 566596208, now seen corresponding path program 1 times [2018-04-10 13:56:43,800 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-10 13:56:43,800 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-10 13:56:43,801 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-10 13:56:43,801 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-10 13:56:43,801 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-10 13:56:43,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 13:56:43,809 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-10 13:56:43,850 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 13:56:43,850 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-04-10 13:56:43,850 INFO L213 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-04-10 13:56:43,858 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-10 13:56:43,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 13:56:43,897 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-10 13:56:43,932 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-04-10 13:56:43,948 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-04-10 13:56:43,948 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-10 13:56:43,950 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-10 13:56:43,963 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-04-10 13:56:43,965 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-04-10 13:56:43,965 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-10 13:56:43,967 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-10 13:56:43,969 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-10 13:56:43,970 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:23, output treesize:15 [2018-04-10 13:56:43,976 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 16 [2018-04-10 13:56:43,981 INFO L700 Elim1Store]: detected not equals via solver [2018-04-10 13:56:43,981 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 23 [2018-04-10 13:56:43,982 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-10 13:56:43,987 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-10 13:56:43,994 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 16 [2018-04-10 13:56:44,005 INFO L700 Elim1Store]: detected not equals via solver [2018-04-10 13:56:44,006 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 23 [2018-04-10 13:56:44,006 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-10 13:56:44,017 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-10 13:56:44,024 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-10 13:56:44,024 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:41, output treesize:33 [2018-04-10 13:56:44,058 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 18 [2018-04-10 13:56:44,061 INFO L700 Elim1Store]: detected not equals via solver [2018-04-10 13:56:44,062 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 10 [2018-04-10 13:56:44,062 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-10 13:56:44,065 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-10 13:56:44,072 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 18 [2018-04-10 13:56:44,075 INFO L700 Elim1Store]: detected not equals via solver [2018-04-10 13:56:44,076 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 10 [2018-04-10 13:56:44,076 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-10 13:56:44,079 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-10 13:56:44,082 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-10 13:56:44,082 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:47, output treesize:7 [2018-04-10 13:56:44,097 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 13:56:44,124 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-10 13:56:44,124 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 7] total 8 [2018-04-10 13:56:44,124 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-04-10 13:56:44,125 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-04-10 13:56:44,125 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2018-04-10 13:56:44,125 INFO L87 Difference]: Start difference. First operand 156 states and 165 transitions. Second operand 8 states. [2018-04-10 13:56:44,355 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 13:56:44,355 INFO L93 Difference]: Finished difference Result 225 states and 238 transitions. [2018-04-10 13:56:44,355 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-04-10 13:56:44,355 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 36 [2018-04-10 13:56:44,356 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 13:56:44,356 INFO L225 Difference]: With dead ends: 225 [2018-04-10 13:56:44,356 INFO L226 Difference]: Without dead ends: 225 [2018-04-10 13:56:44,357 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 33 SyntacticMatches, 3 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=43, Invalid=89, Unknown=0, NotChecked=0, Total=132 [2018-04-10 13:56:44,357 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 225 states. [2018-04-10 13:56:44,360 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 225 to 175. [2018-04-10 13:56:44,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 175 states. [2018-04-10 13:56:44,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 175 states and 186 transitions. [2018-04-10 13:56:44,361 INFO L78 Accepts]: Start accepts. Automaton has 175 states and 186 transitions. Word has length 36 [2018-04-10 13:56:44,361 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 13:56:44,361 INFO L459 AbstractCegarLoop]: Abstraction has 175 states and 186 transitions. [2018-04-10 13:56:44,362 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-04-10 13:56:44,362 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 186 transitions. [2018-04-10 13:56:44,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-04-10 13:56:44,362 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 13:56:44,363 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 13:56:44,363 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 13:56:44,363 INFO L82 PathProgramCache]: Analyzing trace with hash 1406625268, now seen corresponding path program 1 times [2018-04-10 13:56:44,363 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-10 13:56:44,363 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-10 13:56:44,364 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-10 13:56:44,364 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-10 13:56:44,365 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-10 13:56:44,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 13:56:44,374 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-10 13:56:44,435 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 13:56:44,436 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-10 13:56:44,436 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-04-10 13:56:44,436 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-04-10 13:56:44,436 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-04-10 13:56:44,436 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-04-10 13:56:44,436 INFO L87 Difference]: Start difference. First operand 175 states and 186 transitions. Second operand 5 states. [2018-04-10 13:56:44,537 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 13:56:44,537 INFO L93 Difference]: Finished difference Result 182 states and 191 transitions. [2018-04-10 13:56:44,578 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-04-10 13:56:44,578 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 38 [2018-04-10 13:56:44,578 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 13:56:44,578 INFO L225 Difference]: With dead ends: 182 [2018-04-10 13:56:44,578 INFO L226 Difference]: Without dead ends: 182 [2018-04-10 13:56:44,579 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 13:56:44,579 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 182 states. [2018-04-10 13:56:44,581 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 182 to 174. [2018-04-10 13:56:44,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 174 states. [2018-04-10 13:56:44,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 174 states and 183 transitions. [2018-04-10 13:56:44,582 INFO L78 Accepts]: Start accepts. Automaton has 174 states and 183 transitions. Word has length 38 [2018-04-10 13:56:44,582 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 13:56:44,583 INFO L459 AbstractCegarLoop]: Abstraction has 174 states and 183 transitions. [2018-04-10 13:56:44,583 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-04-10 13:56:44,583 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 183 transitions. [2018-04-10 13:56:44,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-04-10 13:56:44,583 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 13:56:44,584 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 13:56:44,584 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 13:56:44,584 INFO L82 PathProgramCache]: Analyzing trace with hash 90417614, now seen corresponding path program 1 times [2018-04-10 13:56:44,584 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-10 13:56:44,584 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-10 13:56:44,585 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-10 13:56:44,585 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-10 13:56:44,585 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-10 13:56:44,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 13:56:44,599 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-10 13:56:44,665 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 13:56:44,665 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-10 13:56:44,665 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-04-10 13:56:44,666 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-04-10 13:56:44,666 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-04-10 13:56:44,666 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2018-04-10 13:56:44,666 INFO L87 Difference]: Start difference. First operand 174 states and 183 transitions. Second operand 8 states. [2018-04-10 13:56:44,873 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 13:56:44,873 INFO L93 Difference]: Finished difference Result 175 states and 184 transitions. [2018-04-10 13:56:44,873 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-04-10 13:56:44,873 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 38 [2018-04-10 13:56:44,873 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 13:56:44,873 INFO L225 Difference]: With dead ends: 175 [2018-04-10 13:56:44,873 INFO L226 Difference]: Without dead ends: 175 [2018-04-10 13:56:44,874 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=44, Invalid=88, Unknown=0, NotChecked=0, Total=132 [2018-04-10 13:56:44,874 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 175 states. [2018-04-10 13:56:44,875 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 175 to 173. [2018-04-10 13:56:44,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 173 states. [2018-04-10 13:56:44,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 173 states and 182 transitions. [2018-04-10 13:56:44,876 INFO L78 Accepts]: Start accepts. Automaton has 173 states and 182 transitions. Word has length 38 [2018-04-10 13:56:44,876 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 13:56:44,876 INFO L459 AbstractCegarLoop]: Abstraction has 173 states and 182 transitions. [2018-04-10 13:56:44,876 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-04-10 13:56:44,876 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 182 transitions. [2018-04-10 13:56:44,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-04-10 13:56:44,876 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 13:56:44,877 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 13:56:44,877 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 13:56:44,877 INFO L82 PathProgramCache]: Analyzing trace with hash 90417615, now seen corresponding path program 1 times [2018-04-10 13:56:44,877 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-10 13:56:44,877 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-10 13:56:44,878 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-10 13:56:44,878 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-10 13:56:44,878 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-10 13:56:44,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 13:56:44,888 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-10 13:56:44,955 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 13:56:44,955 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-10 13:56:44,955 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-04-10 13:56:44,955 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-04-10 13:56:44,955 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-04-10 13:56:44,956 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2018-04-10 13:56:44,956 INFO L87 Difference]: Start difference. First operand 173 states and 182 transitions. Second operand 9 states. [2018-04-10 13:56:45,155 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 13:56:45,155 INFO L93 Difference]: Finished difference Result 170 states and 179 transitions. [2018-04-10 13:56:45,155 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-04-10 13:56:45,155 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 38 [2018-04-10 13:56:45,155 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 13:56:45,156 INFO L225 Difference]: With dead ends: 170 [2018-04-10 13:56:45,156 INFO L226 Difference]: Without dead ends: 170 [2018-04-10 13:56:45,156 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=50, Invalid=132, Unknown=0, NotChecked=0, Total=182 [2018-04-10 13:56:45,156 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 170 states. [2018-04-10 13:56:45,158 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 170 to 146. [2018-04-10 13:56:45,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 146 states. [2018-04-10 13:56:45,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 146 states and 154 transitions. [2018-04-10 13:56:45,159 INFO L78 Accepts]: Start accepts. Automaton has 146 states and 154 transitions. Word has length 38 [2018-04-10 13:56:45,159 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 13:56:45,159 INFO L459 AbstractCegarLoop]: Abstraction has 146 states and 154 transitions. [2018-04-10 13:56:45,159 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-04-10 13:56:45,159 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 154 transitions. [2018-04-10 13:56:45,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2018-04-10 13:56:45,160 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 13:56:45,160 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 13:56:45,160 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 13:56:45,160 INFO L82 PathProgramCache]: Analyzing trace with hash 246329433, now seen corresponding path program 1 times [2018-04-10 13:56:45,161 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-10 13:56:45,161 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-10 13:56:45,162 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-10 13:56:45,162 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-10 13:56:45,162 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-10 13:56:45,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 13:56:45,168 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-10 13:56:45,216 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 13:56:45,217 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-10 13:56:45,217 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-04-10 13:56:45,217 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-04-10 13:56:45,218 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-04-10 13:56:45,218 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-04-10 13:56:45,218 INFO L87 Difference]: Start difference. First operand 146 states and 154 transitions. Second operand 8 states. [2018-04-10 13:56:45,362 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 13:56:45,362 INFO L93 Difference]: Finished difference Result 163 states and 170 transitions. [2018-04-10 13:56:45,362 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-04-10 13:56:45,362 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 39 [2018-04-10 13:56:45,362 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 13:56:45,363 INFO L225 Difference]: With dead ends: 163 [2018-04-10 13:56:45,363 INFO L226 Difference]: Without dead ends: 163 [2018-04-10 13:56:45,363 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 13:56:45,363 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 163 states. [2018-04-10 13:56:45,365 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 163 to 146. [2018-04-10 13:56:45,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 146 states. [2018-04-10 13:56:45,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 146 states and 153 transitions. [2018-04-10 13:56:45,366 INFO L78 Accepts]: Start accepts. Automaton has 146 states and 153 transitions. Word has length 39 [2018-04-10 13:56:45,366 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 13:56:45,366 INFO L459 AbstractCegarLoop]: Abstraction has 146 states and 153 transitions. [2018-04-10 13:56:45,366 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-04-10 13:56:45,366 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 153 transitions. [2018-04-10 13:56:45,366 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-04-10 13:56:45,366 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 13:56:45,366 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 13:56:45,366 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 13:56:45,367 INFO L82 PathProgramCache]: Analyzing trace with hash -1551243035, now seen corresponding path program 1 times [2018-04-10 13:56:45,367 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-10 13:56:45,367 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-10 13:56:45,368 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-10 13:56:45,368 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-10 13:56:45,368 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-10 13:56:45,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 13:56:45,376 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-10 13:56:45,434 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 13:56:45,438 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-04-10 13:56:45,438 INFO L213 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-04-10 13:56:45,482 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-10 13:56:45,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 13:56:45,510 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-10 13:56:45,521 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 10 [2018-04-10 13:56:45,524 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 9 [2018-04-10 13:56:45,524 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-10 13:56:45,525 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-10 13:56:45,527 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-10 13:56:45,527 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:13, output treesize:9 [2018-04-10 13:56:45,534 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 15 [2018-04-10 13:56:45,536 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 3 [2018-04-10 13:56:45,536 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-10 13:56:45,537 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-10 13:56:45,538 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-10 13:56:45,538 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:19, output treesize:3 [2018-04-10 13:56:45,548 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 13:56:45,578 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-04-10 13:56:45,578 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [8] total 9 [2018-04-10 13:56:45,579 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-04-10 13:56:45,579 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-04-10 13:56:45,579 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2018-04-10 13:56:45,579 INFO L87 Difference]: Start difference. First operand 146 states and 153 transitions. Second operand 9 states. [2018-04-10 13:56:45,840 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 13:56:45,841 INFO L93 Difference]: Finished difference Result 233 states and 244 transitions. [2018-04-10 13:56:45,841 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-04-10 13:56:45,841 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 45 [2018-04-10 13:56:45,841 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 13:56:45,842 INFO L225 Difference]: With dead ends: 233 [2018-04-10 13:56:45,842 INFO L226 Difference]: Without dead ends: 233 [2018-04-10 13:56:45,842 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 43 SyntacticMatches, 2 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=61, Invalid=179, Unknown=0, NotChecked=0, Total=240 [2018-04-10 13:56:45,843 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 233 states. [2018-04-10 13:56:45,845 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 233 to 143. [2018-04-10 13:56:45,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 143 states. [2018-04-10 13:56:45,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 143 states and 149 transitions. [2018-04-10 13:56:45,845 INFO L78 Accepts]: Start accepts. Automaton has 143 states and 149 transitions. Word has length 45 [2018-04-10 13:56:45,846 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 13:56:45,846 INFO L459 AbstractCegarLoop]: Abstraction has 143 states and 149 transitions. [2018-04-10 13:56:45,846 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-04-10 13:56:45,846 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 149 transitions. [2018-04-10 13:56:45,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-04-10 13:56:45,846 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 13:56:45,846 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 13:56:45,847 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 13:56:45,847 INFO L82 PathProgramCache]: Analyzing trace with hash 1000742218, now seen corresponding path program 1 times [2018-04-10 13:56:45,847 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-10 13:56:45,847 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-10 13:56:45,848 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-10 13:56:45,848 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-10 13:56:45,848 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-10 13:56:45,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 13:56:45,855 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-10 13:56:45,944 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 13:56:45,944 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-04-10 13:56:45,945 INFO L213 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-04-10 13:56:45,953 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-10 13:56:45,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 13:56:45,979 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-10 13:56:45,989 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 10 [2018-04-10 13:56:45,991 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 9 [2018-04-10 13:56:45,991 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-10 13:56:45,992 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-10 13:56:45,995 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-10 13:56:45,995 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:17, output treesize:13 [2018-04-10 13:56:46,097 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2018-04-10 13:56:46,100 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 3 [2018-04-10 13:56:46,101 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-10 13:56:46,102 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-10 13:56:46,110 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 18 [2018-04-10 13:56:46,112 INFO L700 Elim1Store]: detected not equals via solver [2018-04-10 13:56:46,113 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 10 [2018-04-10 13:56:46,113 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-10 13:56:46,116 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-10 13:56:46,120 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-10 13:56:46,120 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:41, output treesize:10 [2018-04-10 13:56:46,169 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 13:56:46,188 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-10 13:56:46,188 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 12] total 17 [2018-04-10 13:56:46,189 INFO L442 AbstractCegarLoop]: Interpolant automaton has 17 states [2018-04-10 13:56:46,189 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2018-04-10 13:56:46,189 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=224, Unknown=0, NotChecked=0, Total=272 [2018-04-10 13:56:46,189 INFO L87 Difference]: Start difference. First operand 143 states and 149 transitions. Second operand 17 states. [2018-04-10 13:56:46,602 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 13:56:46,602 INFO L93 Difference]: Finished difference Result 200 states and 209 transitions. [2018-04-10 13:56:46,602 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2018-04-10 13:56:46,602 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 48 [2018-04-10 13:56:46,602 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 13:56:46,603 INFO L225 Difference]: With dead ends: 200 [2018-04-10 13:56:46,603 INFO L226 Difference]: Without dead ends: 200 [2018-04-10 13:56:46,603 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 40 SyntacticMatches, 2 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 125 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=149, Invalid=607, Unknown=0, NotChecked=0, Total=756 [2018-04-10 13:56:46,603 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 200 states. [2018-04-10 13:56:46,604 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 200 to 158. [2018-04-10 13:56:46,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 158 states. [2018-04-10 13:56:46,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 158 states and 165 transitions. [2018-04-10 13:56:46,605 INFO L78 Accepts]: Start accepts. Automaton has 158 states and 165 transitions. Word has length 48 [2018-04-10 13:56:46,605 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 13:56:46,605 INFO L459 AbstractCegarLoop]: Abstraction has 158 states and 165 transitions. [2018-04-10 13:56:46,605 INFO L460 AbstractCegarLoop]: Interpolant automaton has 17 states. [2018-04-10 13:56:46,605 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 165 transitions. [2018-04-10 13:56:46,605 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2018-04-10 13:56:46,605 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 13:56:46,605 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 13:56:46,605 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 13:56:46,605 INFO L82 PathProgramCache]: Analyzing trace with hash 958237278, now seen corresponding path program 1 times [2018-04-10 13:56:46,606 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-10 13:56:46,606 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-10 13:56:46,606 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-10 13:56:46,606 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-10 13:56:46,606 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-10 13:56:46,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-04-10 13:56:46,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-04-10 13:56:46,638 INFO L421 BasicCegarLoop]: Counterexample might be feasible [2018-04-10 13:56:46,653 WARN L343 cessorBacktranslator]: Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) [2018-04-10 13:56:46,668 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.04 01:56:46 BoogieIcfgContainer [2018-04-10 13:56:46,668 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-04-10 13:56:46,670 INFO L168 Benchmark]: Toolchain (without parser) took 7379.52 ms. Allocated memory was 394.8 MB in the beginning and 745.0 MB in the end (delta: 350.2 MB). Free memory was 328.1 MB in the beginning and 417.5 MB in the end (delta: -89.4 MB). Peak memory consumption was 260.8 MB. Max. memory is 5.3 GB. [2018-04-10 13:56:46,671 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 394.8 MB. Free memory is still 356.5 MB. There was no memory consumed. Max. memory is 5.3 GB. [2018-04-10 13:56:46,671 INFO L168 Benchmark]: CACSL2BoogieTranslator took 302.58 ms. Allocated memory is still 394.8 MB. Free memory was 328.1 MB in the beginning and 299.0 MB in the end (delta: 29.1 MB). Peak memory consumption was 29.1 MB. Max. memory is 5.3 GB. [2018-04-10 13:56:46,671 INFO L168 Benchmark]: Boogie Preprocessor took 46.74 ms. Allocated memory is still 394.8 MB. Free memory was 299.0 MB in the beginning and 296.3 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 5.3 GB. [2018-04-10 13:56:46,672 INFO L168 Benchmark]: RCFGBuilder took 566.74 ms. Allocated memory was 394.8 MB in the beginning and 594.5 MB in the end (delta: 199.8 MB). Free memory was 296.3 MB in the beginning and 507.4 MB in the end (delta: -211.0 MB). Peak memory consumption was 22.8 MB. Max. memory is 5.3 GB. [2018-04-10 13:56:46,672 INFO L168 Benchmark]: TraceAbstraction took 6460.34 ms. Allocated memory was 594.5 MB in the beginning and 745.0 MB in the end (delta: 150.5 MB). Free memory was 507.4 MB in the beginning and 417.5 MB in the end (delta: 89.9 MB). Peak memory consumption was 240.4 MB. Max. memory is 5.3 GB. [2018-04-10 13:56:46,673 INFO L344 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 394.8 MB. Free memory is still 356.5 MB. There was no memory consumed. Max. memory is 5.3 GB. * CACSL2BoogieTranslator took 302.58 ms. Allocated memory is still 394.8 MB. Free memory was 328.1 MB in the beginning and 299.0 MB in the end (delta: 29.1 MB). Peak memory consumption was 29.1 MB. Max. memory is 5.3 GB. * Boogie Preprocessor took 46.74 ms. Allocated memory is still 394.8 MB. Free memory was 299.0 MB in the beginning and 296.3 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 5.3 GB. * RCFGBuilder took 566.74 ms. Allocated memory was 394.8 MB in the beginning and 594.5 MB in the end (delta: 199.8 MB). Free memory was 296.3 MB in the beginning and 507.4 MB in the end (delta: -211.0 MB). Peak memory consumption was 22.8 MB. Max. memory is 5.3 GB. * TraceAbstraction took 6460.34 ms. Allocated memory was 594.5 MB in the beginning and 745.0 MB in the end (delta: 150.5 MB). Free memory was 507.4 MB in the beginning and 417.5 MB in the end (delta: 89.9 MB). Peak memory consumption was 240.4 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))={14:0}, malloc(sizeof(struct TSLL))={15:0}, 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))={14:0}, malloc(sizeof(struct TSLL))={15:0}, null={14:0}] [L1030] 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}] [L1031] EXPR, FCALL end->colour VAL [end={15:0}, end->colour=1, list={15:0}, malloc(sizeof(struct TSLL))={14:0}, malloc(sizeof(struct TSLL))={15:0}, 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))={14:0}, malloc(sizeof(struct TSLL))={15:0}, null={14:0}] [L1034] EXPR, FCALL end->colour VAL [end={15:0}, end->colour=1, list={15:0}, malloc(sizeof(struct TSLL))={14:0}, malloc(sizeof(struct TSLL))={15:0}, 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))={14:0}, malloc(sizeof(struct TSLL))={15:0}, 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))={14:0}, malloc(sizeof(struct TSLL))={15:0}, null={14:0}] [L1057] free(list) VAL [end={14:0}, list={15:0}, malloc(sizeof(struct TSLL))={14:0}, malloc(sizeof(struct TSLL))={15:0}, 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))={14:0}, malloc(sizeof(struct TSLL))={15:0}, null={14:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 166 locations, 67 error locations. UNSAFE Result, 6.4s OverallTime, 21 OverallIterations, 2 TraceHistogramMax, 4.1s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 2073 SDtfs, 4489 SDslu, 4379 SDs, 0 SdLazy, 5305 SolverSat, 265 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 321 GetRequests, 137 SyntacticMatches, 11 SemanticMatches, 173 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 214 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, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 20 MinimizatonAttempts, 714 StatesRemovedByMinimization, 19 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.4s InterpolantComputationTime, 745 NumberOfCodeBlocks, 745 NumberOfCodeBlocksAsserted, 24 NumberOfCheckSat, 673 ConstructedInterpolants, 0 QuantifiedInterpolants, 133696 SizeOfPredicates, 27 NumberOfNonLiveVariables, 474 ConjunctsInSsa, 54 ConjunctsInUnsatCore, 23 InterpolantComputations, 18 PerfectInterpolantSequences, 8/22 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_Camel.epf_AutomizerC.xml/Csv-Benchmark-0-2018-04-10_13-56-46-679.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_Camel.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-0-2018-04-10_13-56-46-679.csv Received shutdown request...