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-cnstr_1_true-unreach-call_true-valid-memsafety.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-666feb3-m [2018-04-10 14:06:51,647 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-04-10 14:06:51,648 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-04-10 14:06:51,659 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-04-10 14:06:51,659 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-04-10 14:06:51,660 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-04-10 14:06:51,660 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-04-10 14:06:51,662 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-04-10 14:06:51,664 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-04-10 14:06:51,664 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-04-10 14:06:51,665 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-04-10 14:06:51,665 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-04-10 14:06:51,666 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-04-10 14:06:51,667 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-04-10 14:06:51,668 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-04-10 14:06:51,669 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-04-10 14:06:51,671 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-04-10 14:06:51,672 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-04-10 14:06:51,673 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-04-10 14:06:51,674 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-04-10 14:06:51,676 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2018-04-10 14:06:51,680 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-04-10 14:06:51,680 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-04-10 14:06:51,681 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 14:06:51,692 INFO L110 SettingsManager]: Loading preferences was successful [2018-04-10 14:06:51,692 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-04-10 14:06:51,693 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-04-10 14:06:51,693 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-04-10 14:06:51,693 INFO L133 SettingsManager]: * Use SBE=true [2018-04-10 14:06:51,694 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-04-10 14:06:51,694 INFO L133 SettingsManager]: * sizeof long=4 [2018-04-10 14:06:51,694 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-04-10 14:06:51,694 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-04-10 14:06:51,694 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-04-10 14:06:51,694 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-04-10 14:06:51,696 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-04-10 14:06:51,697 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2018-04-10 14:06:51,697 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-04-10 14:06:51,697 INFO L133 SettingsManager]: * sizeof long double=12 [2018-04-10 14:06:51,697 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-04-10 14:06:51,697 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-04-10 14:06:51,697 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-04-10 14:06:51,697 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-04-10 14:06:51,698 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-04-10 14:06:51,698 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-04-10 14:06:51,698 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-04-10 14:06:51,698 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-04-10 14:06:51,698 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-04-10 14:06:51,729 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-04-10 14:06:51,739 INFO L266 ainManager$Toolchain]: [Toolchain 1]: Parser(s) successfully (re)initialized [2018-04-10 14:06:51,742 INFO L222 ainManager$Toolchain]: [Toolchain 1]: Toolchain data selected. [2018-04-10 14:06:51,743 INFO L271 PluginConnector]: Initializing CDTParser... [2018-04-10 14:06:51,743 INFO L276 PluginConnector]: CDTParser initialized [2018-04-10 14:06:51,744 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/forester-heap/dll-rb-cnstr_1_true-unreach-call_true-valid-memsafety.i [2018-04-10 14:06:52,048 INFO L225 CDTParser]: Created temporary CDT project at /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/data/FLAG98335384b [2018-04-10 14:06:52,174 INFO L287 CDTParser]: IsIndexed: true [2018-04-10 14:06:52,174 INFO L288 CDTParser]: Found 1 translation units. [2018-04-10 14:06:52,174 INFO L168 CDTParser]: Scanning dll-rb-cnstr_1_true-unreach-call_true-valid-memsafety.i [2018-04-10 14:06:52,181 INFO L210 ultiparseSymbolTable]: Include resolver: [2018-04-10 14:06:52,182 INFO L215 ultiparseSymbolTable]: [2018-04-10 14:06:52,182 INFO L218 ultiparseSymbolTable]: Function table: [2018-04-10 14:06:52,182 INFO L221 ultiparseSymbolTable]: Function definition of null ('main') in dll-rb-cnstr_1_true-unreach-call_true-valid-memsafety.i [2018-04-10 14:06:52,182 INFO L227 ultiparseSymbolTable]: Global variable table: [2018-04-10 14:06:52,182 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_rb_cnstr___true_unreach_call_true_valid_memsafety_i____fd_mask in dll-rb-cnstr_1_true-unreach-call_true-valid-memsafety.i [2018-04-10 14:06:52,182 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_rb_cnstr___true_unreach_call_true_valid_memsafety_i__pthread_t in dll-rb-cnstr_1_true-unreach-call_true-valid-memsafety.i [2018-04-10 14:06:52,183 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_rb_cnstr___true_unreach_call_true_valid_memsafety_i____int64_t in dll-rb-cnstr_1_true-unreach-call_true-valid-memsafety.i [2018-04-10 14:06:52,183 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_rb_cnstr___true_unreach_call_true_valid_memsafety_i__nlink_t in dll-rb-cnstr_1_true-unreach-call_true-valid-memsafety.i [2018-04-10 14:06:52,183 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_rb_cnstr___true_unreach_call_true_valid_memsafety_i__wchar_t in dll-rb-cnstr_1_true-unreach-call_true-valid-memsafety.i [2018-04-10 14:06:52,183 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_rb_cnstr___true_unreach_call_true_valid_memsafety_i__pthread_condattr_t in dll-rb-cnstr_1_true-unreach-call_true-valid-memsafety.i [2018-04-10 14:06:52,183 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_rb_cnstr___true_unreach_call_true_valid_memsafety_i____u_int in dll-rb-cnstr_1_true-unreach-call_true-valid-memsafety.i [2018-04-10 14:06:52,183 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_rb_cnstr___true_unreach_call_true_valid_memsafety_i____useconds_t in dll-rb-cnstr_1_true-unreach-call_true-valid-memsafety.i [2018-04-10 14:06:52,183 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_rb_cnstr___true_unreach_call_true_valid_memsafety_i__pthread_attr_t in dll-rb-cnstr_1_true-unreach-call_true-valid-memsafety.i [2018-04-10 14:06:52,183 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_rb_cnstr___true_unreach_call_true_valid_memsafety_i__u_int8_t in dll-rb-cnstr_1_true-unreach-call_true-valid-memsafety.i [2018-04-10 14:06:52,183 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_rb_cnstr___true_unreach_call_true_valid_memsafety_i____sig_atomic_t in dll-rb-cnstr_1_true-unreach-call_true-valid-memsafety.i [2018-04-10 14:06:52,183 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_rb_cnstr___true_unreach_call_true_valid_memsafety_i____clockid_t in dll-rb-cnstr_1_true-unreach-call_true-valid-memsafety.i [2018-04-10 14:06:52,184 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_rb_cnstr___true_unreach_call_true_valid_memsafety_i__clockid_t in dll-rb-cnstr_1_true-unreach-call_true-valid-memsafety.i [2018-04-10 14:06:52,184 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_rb_cnstr___true_unreach_call_true_valid_memsafety_i____int8_t in dll-rb-cnstr_1_true-unreach-call_true-valid-memsafety.i [2018-04-10 14:06:52,184 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_rb_cnstr___true_unreach_call_true_valid_memsafety_i____daddr_t in dll-rb-cnstr_1_true-unreach-call_true-valid-memsafety.i [2018-04-10 14:06:52,184 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_rb_cnstr___true_unreach_call_true_valid_memsafety_i__fsid_t in dll-rb-cnstr_1_true-unreach-call_true-valid-memsafety.i [2018-04-10 14:06:52,184 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_rb_cnstr___true_unreach_call_true_valid_memsafety_i__register_t in dll-rb-cnstr_1_true-unreach-call_true-valid-memsafety.i [2018-04-10 14:06:52,184 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_rb_cnstr___true_unreach_call_true_valid_memsafety_i__int64_t in dll-rb-cnstr_1_true-unreach-call_true-valid-memsafety.i [2018-04-10 14:06:52,184 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_rb_cnstr___true_unreach_call_true_valid_memsafety_i____key_t in dll-rb-cnstr_1_true-unreach-call_true-valid-memsafety.i [2018-04-10 14:06:52,184 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_rb_cnstr___true_unreach_call_true_valid_memsafety_i____clock_t in dll-rb-cnstr_1_true-unreach-call_true-valid-memsafety.i [2018-04-10 14:06:52,184 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_rb_cnstr___true_unreach_call_true_valid_memsafety_i__ushort in dll-rb-cnstr_1_true-unreach-call_true-valid-memsafety.i [2018-04-10 14:06:52,184 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_rb_cnstr___true_unreach_call_true_valid_memsafety_i__ldiv_t in dll-rb-cnstr_1_true-unreach-call_true-valid-memsafety.i [2018-04-10 14:06:52,185 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_rb_cnstr___true_unreach_call_true_valid_memsafety_i____uint8_t in dll-rb-cnstr_1_true-unreach-call_true-valid-memsafety.i [2018-04-10 14:06:52,185 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_rb_cnstr___true_unreach_call_true_valid_memsafety_i____fsblkcnt64_t in dll-rb-cnstr_1_true-unreach-call_true-valid-memsafety.i [2018-04-10 14:06:52,185 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_rb_cnstr___true_unreach_call_true_valid_memsafety_i__loff_t in dll-rb-cnstr_1_true-unreach-call_true-valid-memsafety.i [2018-04-10 14:06:52,185 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_rb_cnstr___true_unreach_call_true_valid_memsafety_i__u_int64_t in dll-rb-cnstr_1_true-unreach-call_true-valid-memsafety.i [2018-04-10 14:06:52,185 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_rb_cnstr___true_unreach_call_true_valid_memsafety_i____pid_t in dll-rb-cnstr_1_true-unreach-call_true-valid-memsafety.i [2018-04-10 14:06:52,185 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_rb_cnstr___true_unreach_call_true_valid_memsafety_i____quad_t in dll-rb-cnstr_1_true-unreach-call_true-valid-memsafety.i [2018-04-10 14:06:52,185 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_rb_cnstr___true_unreach_call_true_valid_memsafety_i____uint16_t in dll-rb-cnstr_1_true-unreach-call_true-valid-memsafety.i [2018-04-10 14:06:52,185 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_rb_cnstr___true_unreach_call_true_valid_memsafety_i____mode_t in dll-rb-cnstr_1_true-unreach-call_true-valid-memsafety.i [2018-04-10 14:06:52,185 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_rb_cnstr___true_unreach_call_true_valid_memsafety_i____fsid_t in dll-rb-cnstr_1_true-unreach-call_true-valid-memsafety.i [2018-04-10 14:06:52,185 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_rb_cnstr___true_unreach_call_true_valid_memsafety_i__clock_t in dll-rb-cnstr_1_true-unreach-call_true-valid-memsafety.i [2018-04-10 14:06:52,186 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_rb_cnstr___true_unreach_call_true_valid_memsafety_i____u_quad_t in dll-rb-cnstr_1_true-unreach-call_true-valid-memsafety.i [2018-04-10 14:06:52,186 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_rb_cnstr___true_unreach_call_true_valid_memsafety_i____intptr_t in dll-rb-cnstr_1_true-unreach-call_true-valid-memsafety.i [2018-04-10 14:06:52,186 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_rb_cnstr___true_unreach_call_true_valid_memsafety_i__pid_t in dll-rb-cnstr_1_true-unreach-call_true-valid-memsafety.i [2018-04-10 14:06:52,186 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_rb_cnstr___true_unreach_call_true_valid_memsafety_i__u_long in dll-rb-cnstr_1_true-unreach-call_true-valid-memsafety.i [2018-04-10 14:06:52,186 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_rb_cnstr___true_unreach_call_true_valid_memsafety_i__pthread_barrier_t in dll-rb-cnstr_1_true-unreach-call_true-valid-memsafety.i [2018-04-10 14:06:52,186 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_rb_cnstr___true_unreach_call_true_valid_memsafety_i__size_t in dll-rb-cnstr_1_true-unreach-call_true-valid-memsafety.i [2018-04-10 14:06:52,186 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_rb_cnstr___true_unreach_call_true_valid_memsafety_i__off_t in dll-rb-cnstr_1_true-unreach-call_true-valid-memsafety.i [2018-04-10 14:06:52,186 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_rb_cnstr___true_unreach_call_true_valid_memsafety_i__suseconds_t in dll-rb-cnstr_1_true-unreach-call_true-valid-memsafety.i [2018-04-10 14:06:52,186 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_rb_cnstr___true_unreach_call_true_valid_memsafety_i____u_short in dll-rb-cnstr_1_true-unreach-call_true-valid-memsafety.i [2018-04-10 14:06:52,186 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_rb_cnstr___true_unreach_call_true_valid_memsafety_i__daddr_t in dll-rb-cnstr_1_true-unreach-call_true-valid-memsafety.i [2018-04-10 14:06:52,187 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_rb_cnstr___true_unreach_call_true_valid_memsafety_i____loff_t in dll-rb-cnstr_1_true-unreach-call_true-valid-memsafety.i [2018-04-10 14:06:52,187 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_rb_cnstr___true_unreach_call_true_valid_memsafety_i____socklen_t in dll-rb-cnstr_1_true-unreach-call_true-valid-memsafety.i [2018-04-10 14:06:52,187 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_rb_cnstr___true_unreach_call_true_valid_memsafety_i__blkcnt_t in dll-rb-cnstr_1_true-unreach-call_true-valid-memsafety.i [2018-04-10 14:06:52,187 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_rb_cnstr___true_unreach_call_true_valid_memsafety_i__caddr_t in dll-rb-cnstr_1_true-unreach-call_true-valid-memsafety.i [2018-04-10 14:06:52,187 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_rb_cnstr___true_unreach_call_true_valid_memsafety_i__quad_t in dll-rb-cnstr_1_true-unreach-call_true-valid-memsafety.i [2018-04-10 14:06:52,187 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_rb_cnstr___true_unreach_call_true_valid_memsafety_i__u_char in dll-rb-cnstr_1_true-unreach-call_true-valid-memsafety.i [2018-04-10 14:06:52,187 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_rb_cnstr___true_unreach_call_true_valid_memsafety_i__ulong in dll-rb-cnstr_1_true-unreach-call_true-valid-memsafety.i [2018-04-10 14:06:52,187 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_rb_cnstr___true_unreach_call_true_valid_memsafety_i__pthread_spinlock_t in dll-rb-cnstr_1_true-unreach-call_true-valid-memsafety.i [2018-04-10 14:06:52,187 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_rb_cnstr___true_unreach_call_true_valid_memsafety_i__mode_t in dll-rb-cnstr_1_true-unreach-call_true-valid-memsafety.i [2018-04-10 14:06:52,187 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_rb_cnstr___true_unreach_call_true_valid_memsafety_i__pthread_cond_t in dll-rb-cnstr_1_true-unreach-call_true-valid-memsafety.i [2018-04-10 14:06:52,187 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_rb_cnstr___true_unreach_call_true_valid_memsafety_i__u_int16_t in dll-rb-cnstr_1_true-unreach-call_true-valid-memsafety.i [2018-04-10 14:06:52,187 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_rb_cnstr___true_unreach_call_true_valid_memsafety_i__div_t in dll-rb-cnstr_1_true-unreach-call_true-valid-memsafety.i [2018-04-10 14:06:52,187 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_rb_cnstr___true_unreach_call_true_valid_memsafety_i____int16_t in dll-rb-cnstr_1_true-unreach-call_true-valid-memsafety.i [2018-04-10 14:06:52,187 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_rb_cnstr___true_unreach_call_true_valid_memsafety_i__pthread_once_t in dll-rb-cnstr_1_true-unreach-call_true-valid-memsafety.i [2018-04-10 14:06:52,187 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_rb_cnstr___true_unreach_call_true_valid_memsafety_i____u_long in dll-rb-cnstr_1_true-unreach-call_true-valid-memsafety.i [2018-04-10 14:06:52,187 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_rb_cnstr___true_unreach_call_true_valid_memsafety_i__gid_t in dll-rb-cnstr_1_true-unreach-call_true-valid-memsafety.i [2018-04-10 14:06:52,187 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_rb_cnstr___true_unreach_call_true_valid_memsafety_i____sigset_t in dll-rb-cnstr_1_true-unreach-call_true-valid-memsafety.i [2018-04-10 14:06:52,187 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_rb_cnstr___true_unreach_call_true_valid_memsafety_i____ino_t in dll-rb-cnstr_1_true-unreach-call_true-valid-memsafety.i [2018-04-10 14:06:52,187 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_rb_cnstr___true_unreach_call_true_valid_memsafety_i__u_short in dll-rb-cnstr_1_true-unreach-call_true-valid-memsafety.i [2018-04-10 14:06:52,188 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_rb_cnstr___true_unreach_call_true_valid_memsafety_i____dev_t in dll-rb-cnstr_1_true-unreach-call_true-valid-memsafety.i [2018-04-10 14:06:52,188 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_rb_cnstr___true_unreach_call_true_valid_memsafety_i____fsblkcnt_t in dll-rb-cnstr_1_true-unreach-call_true-valid-memsafety.i [2018-04-10 14:06:52,188 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_rb_cnstr___true_unreach_call_true_valid_memsafety_i____syscall_ulong_t in dll-rb-cnstr_1_true-unreach-call_true-valid-memsafety.i [2018-04-10 14:06:52,188 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_rb_cnstr___true_unreach_call_true_valid_memsafety_i__int16_t in dll-rb-cnstr_1_true-unreach-call_true-valid-memsafety.i [2018-04-10 14:06:52,188 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_rb_cnstr___true_unreach_call_true_valid_memsafety_i__lldiv_t in dll-rb-cnstr_1_true-unreach-call_true-valid-memsafety.i [2018-04-10 14:06:52,188 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_rb_cnstr___true_unreach_call_true_valid_memsafety_i__pthread_key_t in dll-rb-cnstr_1_true-unreach-call_true-valid-memsafety.i [2018-04-10 14:06:52,188 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_rb_cnstr___true_unreach_call_true_valid_memsafety_i____u_char in dll-rb-cnstr_1_true-unreach-call_true-valid-memsafety.i [2018-04-10 14:06:52,188 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_rb_cnstr___true_unreach_call_true_valid_memsafety_i____blksize_t in dll-rb-cnstr_1_true-unreach-call_true-valid-memsafety.i [2018-04-10 14:06:52,188 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_rb_cnstr___true_unreach_call_true_valid_memsafety_i__blksize_t in dll-rb-cnstr_1_true-unreach-call_true-valid-memsafety.i [2018-04-10 14:06:52,188 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_rb_cnstr___true_unreach_call_true_valid_memsafety_i____qaddr_t in dll-rb-cnstr_1_true-unreach-call_true-valid-memsafety.i [2018-04-10 14:06:52,188 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_rb_cnstr___true_unreach_call_true_valid_memsafety_i____caddr_t in dll-rb-cnstr_1_true-unreach-call_true-valid-memsafety.i [2018-04-10 14:06:52,188 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_rb_cnstr___true_unreach_call_true_valid_memsafety_i__fd_set in dll-rb-cnstr_1_true-unreach-call_true-valid-memsafety.i [2018-04-10 14:06:52,188 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_rb_cnstr___true_unreach_call_true_valid_memsafety_i____uint32_t in dll-rb-cnstr_1_true-unreach-call_true-valid-memsafety.i [2018-04-10 14:06:52,188 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_rb_cnstr___true_unreach_call_true_valid_memsafety_i____id_t in dll-rb-cnstr_1_true-unreach-call_true-valid-memsafety.i [2018-04-10 14:06:52,188 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_rb_cnstr___true_unreach_call_true_valid_memsafety_i__uid_t in dll-rb-cnstr_1_true-unreach-call_true-valid-memsafety.i [2018-04-10 14:06:52,188 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_rb_cnstr___true_unreach_call_true_valid_memsafety_i____pthread_slist_t in dll-rb-cnstr_1_true-unreach-call_true-valid-memsafety.i [2018-04-10 14:06:52,188 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_rb_cnstr___true_unreach_call_true_valid_memsafety_i__time_t in dll-rb-cnstr_1_true-unreach-call_true-valid-memsafety.i [2018-04-10 14:06:52,188 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_rb_cnstr___true_unreach_call_true_valid_memsafety_i__u_int32_t in dll-rb-cnstr_1_true-unreach-call_true-valid-memsafety.i [2018-04-10 14:06:52,188 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_rb_cnstr___true_unreach_call_true_valid_memsafety_i__pthread_rwlock_t in dll-rb-cnstr_1_true-unreach-call_true-valid-memsafety.i [2018-04-10 14:06:52,188 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_rb_cnstr___true_unreach_call_true_valid_memsafety_i____rlim_t in dll-rb-cnstr_1_true-unreach-call_true-valid-memsafety.i [2018-04-10 14:06:52,189 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_rb_cnstr___true_unreach_call_true_valid_memsafety_i__pthread_barrierattr_t in dll-rb-cnstr_1_true-unreach-call_true-valid-memsafety.i [2018-04-10 14:06:52,189 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_rb_cnstr___true_unreach_call_true_valid_memsafety_i__u_int in dll-rb-cnstr_1_true-unreach-call_true-valid-memsafety.i [2018-04-10 14:06:52,189 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_rb_cnstr___true_unreach_call_true_valid_memsafety_i__pthread_mutex_t in dll-rb-cnstr_1_true-unreach-call_true-valid-memsafety.i [2018-04-10 14:06:52,189 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_rb_cnstr___true_unreach_call_true_valid_memsafety_i____int32_t in dll-rb-cnstr_1_true-unreach-call_true-valid-memsafety.i [2018-04-10 14:06:52,189 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_rb_cnstr___true_unreach_call_true_valid_memsafety_i__fsblkcnt_t in dll-rb-cnstr_1_true-unreach-call_true-valid-memsafety.i [2018-04-10 14:06:52,189 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_rb_cnstr___true_unreach_call_true_valid_memsafety_i__u_quad_t in dll-rb-cnstr_1_true-unreach-call_true-valid-memsafety.i [2018-04-10 14:06:52,189 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_rb_cnstr___true_unreach_call_true_valid_memsafety_i____fsfilcnt_t in dll-rb-cnstr_1_true-unreach-call_true-valid-memsafety.i [2018-04-10 14:06:52,189 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_rb_cnstr___true_unreach_call_true_valid_memsafety_i__pthread_mutexattr_t in dll-rb-cnstr_1_true-unreach-call_true-valid-memsafety.i [2018-04-10 14:06:52,189 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_rb_cnstr___true_unreach_call_true_valid_memsafety_i____rlim64_t in dll-rb-cnstr_1_true-unreach-call_true-valid-memsafety.i [2018-04-10 14:06:52,189 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_rb_cnstr___true_unreach_call_true_valid_memsafety_i____off64_t in dll-rb-cnstr_1_true-unreach-call_true-valid-memsafety.i [2018-04-10 14:06:52,189 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_rb_cnstr___true_unreach_call_true_valid_memsafety_i____suseconds_t in dll-rb-cnstr_1_true-unreach-call_true-valid-memsafety.i [2018-04-10 14:06:52,190 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_rb_cnstr___true_unreach_call_true_valid_memsafety_i____time_t in dll-rb-cnstr_1_true-unreach-call_true-valid-memsafety.i [2018-04-10 14:06:52,190 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_rb_cnstr___true_unreach_call_true_valid_memsafety_i____off_t in dll-rb-cnstr_1_true-unreach-call_true-valid-memsafety.i [2018-04-10 14:06:52,190 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_rb_cnstr___true_unreach_call_true_valid_memsafety_i____ssize_t in dll-rb-cnstr_1_true-unreach-call_true-valid-memsafety.i [2018-04-10 14:06:52,190 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_rb_cnstr___true_unreach_call_true_valid_memsafety_i__int8_t in dll-rb-cnstr_1_true-unreach-call_true-valid-memsafety.i [2018-04-10 14:06:52,190 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_rb_cnstr___true_unreach_call_true_valid_memsafety_i__idtype_t in dll-rb-cnstr_1_true-unreach-call_true-valid-memsafety.i [2018-04-10 14:06:52,190 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_rb_cnstr___true_unreach_call_true_valid_memsafety_i____gid_t in dll-rb-cnstr_1_true-unreach-call_true-valid-memsafety.i [2018-04-10 14:06:52,190 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_rb_cnstr___true_unreach_call_true_valid_memsafety_i__int32_t in dll-rb-cnstr_1_true-unreach-call_true-valid-memsafety.i [2018-04-10 14:06:52,190 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_rb_cnstr___true_unreach_call_true_valid_memsafety_i____fsfilcnt64_t in dll-rb-cnstr_1_true-unreach-call_true-valid-memsafety.i [2018-04-10 14:06:52,190 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_rb_cnstr___true_unreach_call_true_valid_memsafety_i____timer_t in dll-rb-cnstr_1_true-unreach-call_true-valid-memsafety.i [2018-04-10 14:06:52,190 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_rb_cnstr___true_unreach_call_true_valid_memsafety_i__fsfilcnt_t in dll-rb-cnstr_1_true-unreach-call_true-valid-memsafety.i [2018-04-10 14:06:52,190 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_rb_cnstr___true_unreach_call_true_valid_memsafety_i__pthread_rwlockattr_t in dll-rb-cnstr_1_true-unreach-call_true-valid-memsafety.i [2018-04-10 14:06:52,191 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_rb_cnstr___true_unreach_call_true_valid_memsafety_i____blkcnt64_t in dll-rb-cnstr_1_true-unreach-call_true-valid-memsafety.i [2018-04-10 14:06:52,191 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_rb_cnstr___true_unreach_call_true_valid_memsafety_i__ino_t in dll-rb-cnstr_1_true-unreach-call_true-valid-memsafety.i [2018-04-10 14:06:52,191 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_rb_cnstr___true_unreach_call_true_valid_memsafety_i____nlink_t in dll-rb-cnstr_1_true-unreach-call_true-valid-memsafety.i [2018-04-10 14:06:52,191 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_rb_cnstr___true_unreach_call_true_valid_memsafety_i____syscall_slong_t in dll-rb-cnstr_1_true-unreach-call_true-valid-memsafety.i [2018-04-10 14:06:52,191 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_rb_cnstr___true_unreach_call_true_valid_memsafety_i__key_t in dll-rb-cnstr_1_true-unreach-call_true-valid-memsafety.i [2018-04-10 14:06:52,191 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_rb_cnstr___true_unreach_call_true_valid_memsafety_i__timer_t in dll-rb-cnstr_1_true-unreach-call_true-valid-memsafety.i [2018-04-10 14:06:52,191 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_rb_cnstr___true_unreach_call_true_valid_memsafety_i__Colour in dll-rb-cnstr_1_true-unreach-call_true-valid-memsafety.i [2018-04-10 14:06:52,191 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_rb_cnstr___true_unreach_call_true_valid_memsafety_i__sigset_t in dll-rb-cnstr_1_true-unreach-call_true-valid-memsafety.i [2018-04-10 14:06:52,191 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_rb_cnstr___true_unreach_call_true_valid_memsafety_i____blkcnt_t in dll-rb-cnstr_1_true-unreach-call_true-valid-memsafety.i [2018-04-10 14:06:52,191 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_rb_cnstr___true_unreach_call_true_valid_memsafety_i____fsword_t in dll-rb-cnstr_1_true-unreach-call_true-valid-memsafety.i [2018-04-10 14:06:52,191 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_rb_cnstr___true_unreach_call_true_valid_memsafety_i__fd_mask in dll-rb-cnstr_1_true-unreach-call_true-valid-memsafety.i [2018-04-10 14:06:52,191 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_rb_cnstr___true_unreach_call_true_valid_memsafety_i____uint64_t in dll-rb-cnstr_1_true-unreach-call_true-valid-memsafety.i [2018-04-10 14:06:52,192 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_rb_cnstr___true_unreach_call_true_valid_memsafety_i__dev_t in dll-rb-cnstr_1_true-unreach-call_true-valid-memsafety.i [2018-04-10 14:06:52,192 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_rb_cnstr___true_unreach_call_true_valid_memsafety_i____uid_t in dll-rb-cnstr_1_true-unreach-call_true-valid-memsafety.i [2018-04-10 14:06:52,192 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_rb_cnstr___true_unreach_call_true_valid_memsafety_i__id_t in dll-rb-cnstr_1_true-unreach-call_true-valid-memsafety.i [2018-04-10 14:06:52,192 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_rb_cnstr___true_unreach_call_true_valid_memsafety_i__ssize_t in dll-rb-cnstr_1_true-unreach-call_true-valid-memsafety.i [2018-04-10 14:06:52,192 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_rb_cnstr___true_unreach_call_true_valid_memsafety_i__uint in dll-rb-cnstr_1_true-unreach-call_true-valid-memsafety.i [2018-04-10 14:06:52,192 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_rb_cnstr___true_unreach_call_true_valid_memsafety_i____ino64_t in dll-rb-cnstr_1_true-unreach-call_true-valid-memsafety.i [2018-04-10 14:06:52,205 INFO L330 CDTParser]: Deleted temporary CDT project at /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/data/FLAG98335384b [2018-04-10 14:06:52,209 INFO L304 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-04-10 14:06:52,210 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-04-10 14:06:52,210 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-04-10 14:06:52,210 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-04-10 14:06:52,214 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-04-10 14:06:52,214 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.04 02:06:52" (1/1) ... [2018-04-10 14:06:52,216 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3691dc34 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.04 02:06:52, skipping insertion in model container [2018-04-10 14:06:52,216 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.04 02:06:52" (1/1) ... [2018-04-10 14:06:52,227 INFO L167 Dispatcher]: Using SV-COMP mode [2018-04-10 14:06:52,253 INFO L167 Dispatcher]: Using SV-COMP mode [2018-04-10 14:06:52,375 INFO L175 PostProcessor]: Settings: Checked method=main [2018-04-10 14:06:52,418 INFO L175 PostProcessor]: Settings: Checked method=main [2018-04-10 14:06:52,424 INFO L100 SccComputation]: Graph consists of 0 InCaSumBalls and 115 non ball SCCs. Number of states in SCCs 115. [2018-04-10 14:06:52,456 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.04 02:06:52 WrapperNode [2018-04-10 14:06:52,456 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-04-10 14:06:52,457 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-04-10 14:06:52,457 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-04-10 14:06:52,457 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-04-10 14:06:52,465 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.04 02:06:52" (1/1) ... [2018-04-10 14:06:52,465 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.04 02:06:52" (1/1) ... [2018-04-10 14:06:52,477 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.04 02:06:52" (1/1) ... [2018-04-10 14:06:52,477 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.04 02:06:52" (1/1) ... [2018-04-10 14:06:52,486 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.04 02:06:52" (1/1) ... [2018-04-10 14:06:52,492 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.04 02:06:52" (1/1) ... [2018-04-10 14:06:52,494 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.04 02:06:52" (1/1) ... [2018-04-10 14:06:52,498 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-04-10 14:06:52,498 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-04-10 14:06:52,498 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-04-10 14:06:52,499 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-04-10 14:06:52,499 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.04 02:06:52" (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 14:06:52,583 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-04-10 14:06:52,583 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-04-10 14:06:52,583 INFO L136 BoogieDeclarations]: Found implementation of procedure main [2018-04-10 14:06:52,583 INFO L128 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2018-04-10 14:06:52,583 INFO L128 BoogieDeclarations]: Found specification of procedure atof [2018-04-10 14:06:52,584 INFO L128 BoogieDeclarations]: Found specification of procedure atoi [2018-04-10 14:06:52,584 INFO L128 BoogieDeclarations]: Found specification of procedure atol [2018-04-10 14:06:52,584 INFO L128 BoogieDeclarations]: Found specification of procedure atoll [2018-04-10 14:06:52,584 INFO L128 BoogieDeclarations]: Found specification of procedure strtod [2018-04-10 14:06:52,584 INFO L128 BoogieDeclarations]: Found specification of procedure strtof [2018-04-10 14:06:52,584 INFO L128 BoogieDeclarations]: Found specification of procedure strtold [2018-04-10 14:06:52,584 INFO L128 BoogieDeclarations]: Found specification of procedure strtol [2018-04-10 14:06:52,584 INFO L128 BoogieDeclarations]: Found specification of procedure strtoul [2018-04-10 14:06:52,584 INFO L128 BoogieDeclarations]: Found specification of procedure strtoq [2018-04-10 14:06:52,584 INFO L128 BoogieDeclarations]: Found specification of procedure strtouq [2018-04-10 14:06:52,584 INFO L128 BoogieDeclarations]: Found specification of procedure strtoll [2018-04-10 14:06:52,585 INFO L128 BoogieDeclarations]: Found specification of procedure strtoull [2018-04-10 14:06:52,585 INFO L128 BoogieDeclarations]: Found specification of procedure l64a [2018-04-10 14:06:52,585 INFO L128 BoogieDeclarations]: Found specification of procedure a64l [2018-04-10 14:06:52,585 INFO L128 BoogieDeclarations]: Found specification of procedure select [2018-04-10 14:06:52,585 INFO L128 BoogieDeclarations]: Found specification of procedure pselect [2018-04-10 14:06:52,585 INFO L128 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2018-04-10 14:06:52,585 INFO L128 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2018-04-10 14:06:52,585 INFO L128 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2018-04-10 14:06:52,585 INFO L128 BoogieDeclarations]: Found specification of procedure random [2018-04-10 14:06:52,585 INFO L128 BoogieDeclarations]: Found specification of procedure srandom [2018-04-10 14:06:52,585 INFO L128 BoogieDeclarations]: Found specification of procedure initstate [2018-04-10 14:06:52,586 INFO L128 BoogieDeclarations]: Found specification of procedure setstate [2018-04-10 14:06:52,586 INFO L128 BoogieDeclarations]: Found specification of procedure random_r [2018-04-10 14:06:52,586 INFO L128 BoogieDeclarations]: Found specification of procedure srandom_r [2018-04-10 14:06:52,586 INFO L128 BoogieDeclarations]: Found specification of procedure initstate_r [2018-04-10 14:06:52,586 INFO L128 BoogieDeclarations]: Found specification of procedure setstate_r [2018-04-10 14:06:52,586 INFO L128 BoogieDeclarations]: Found specification of procedure rand [2018-04-10 14:06:52,586 INFO L128 BoogieDeclarations]: Found specification of procedure srand [2018-04-10 14:06:52,586 INFO L128 BoogieDeclarations]: Found specification of procedure rand_r [2018-04-10 14:06:52,586 INFO L128 BoogieDeclarations]: Found specification of procedure drand48 [2018-04-10 14:06:52,586 INFO L128 BoogieDeclarations]: Found specification of procedure erand48 [2018-04-10 14:06:52,587 INFO L128 BoogieDeclarations]: Found specification of procedure lrand48 [2018-04-10 14:06:52,587 INFO L128 BoogieDeclarations]: Found specification of procedure nrand48 [2018-04-10 14:06:52,587 INFO L128 BoogieDeclarations]: Found specification of procedure mrand48 [2018-04-10 14:06:52,587 INFO L128 BoogieDeclarations]: Found specification of procedure jrand48 [2018-04-10 14:06:52,587 INFO L128 BoogieDeclarations]: Found specification of procedure srand48 [2018-04-10 14:06:52,587 INFO L128 BoogieDeclarations]: Found specification of procedure seed48 [2018-04-10 14:06:52,587 INFO L128 BoogieDeclarations]: Found specification of procedure lcong48 [2018-04-10 14:06:52,587 INFO L128 BoogieDeclarations]: Found specification of procedure drand48_r [2018-04-10 14:06:52,587 INFO L128 BoogieDeclarations]: Found specification of procedure erand48_r [2018-04-10 14:06:52,587 INFO L128 BoogieDeclarations]: Found specification of procedure lrand48_r [2018-04-10 14:06:52,588 INFO L128 BoogieDeclarations]: Found specification of procedure nrand48_r [2018-04-10 14:06:52,588 INFO L128 BoogieDeclarations]: Found specification of procedure mrand48_r [2018-04-10 14:06:52,588 INFO L128 BoogieDeclarations]: Found specification of procedure jrand48_r [2018-04-10 14:06:52,588 INFO L128 BoogieDeclarations]: Found specification of procedure srand48_r [2018-04-10 14:06:52,588 INFO L128 BoogieDeclarations]: Found specification of procedure seed48_r [2018-04-10 14:06:52,588 INFO L128 BoogieDeclarations]: Found specification of procedure lcong48_r [2018-04-10 14:06:52,588 INFO L128 BoogieDeclarations]: Found specification of procedure malloc [2018-04-10 14:06:52,588 INFO L128 BoogieDeclarations]: Found specification of procedure calloc [2018-04-10 14:06:52,588 INFO L128 BoogieDeclarations]: Found specification of procedure realloc [2018-04-10 14:06:52,588 INFO L128 BoogieDeclarations]: Found specification of procedure free [2018-04-10 14:06:52,589 INFO L128 BoogieDeclarations]: Found specification of procedure cfree [2018-04-10 14:06:52,589 INFO L128 BoogieDeclarations]: Found specification of procedure alloca [2018-04-10 14:06:52,589 INFO L128 BoogieDeclarations]: Found specification of procedure valloc [2018-04-10 14:06:52,589 INFO L128 BoogieDeclarations]: Found specification of procedure posix_memalign [2018-04-10 14:06:52,589 INFO L128 BoogieDeclarations]: Found specification of procedure aligned_alloc [2018-04-10 14:06:52,589 INFO L128 BoogieDeclarations]: Found specification of procedure abort [2018-04-10 14:06:52,589 INFO L128 BoogieDeclarations]: Found specification of procedure atexit [2018-04-10 14:06:52,589 INFO L128 BoogieDeclarations]: Found specification of procedure at_quick_exit [2018-04-10 14:06:52,589 INFO L128 BoogieDeclarations]: Found specification of procedure on_exit [2018-04-10 14:06:52,589 INFO L128 BoogieDeclarations]: Found specification of procedure exit [2018-04-10 14:06:52,590 INFO L128 BoogieDeclarations]: Found specification of procedure quick_exit [2018-04-10 14:06:52,590 INFO L128 BoogieDeclarations]: Found specification of procedure _Exit [2018-04-10 14:06:52,590 INFO L128 BoogieDeclarations]: Found specification of procedure getenv [2018-04-10 14:06:52,590 INFO L128 BoogieDeclarations]: Found specification of procedure putenv [2018-04-10 14:06:52,590 INFO L128 BoogieDeclarations]: Found specification of procedure setenv [2018-04-10 14:06:52,590 INFO L128 BoogieDeclarations]: Found specification of procedure unsetenv [2018-04-10 14:06:52,590 INFO L128 BoogieDeclarations]: Found specification of procedure clearenv [2018-04-10 14:06:52,590 INFO L128 BoogieDeclarations]: Found specification of procedure mktemp [2018-04-10 14:06:52,590 INFO L128 BoogieDeclarations]: Found specification of procedure mkstemp [2018-04-10 14:06:52,590 INFO L128 BoogieDeclarations]: Found specification of procedure mkstemps [2018-04-10 14:06:52,591 INFO L128 BoogieDeclarations]: Found specification of procedure mkdtemp [2018-04-10 14:06:52,591 INFO L128 BoogieDeclarations]: Found specification of procedure system [2018-04-10 14:06:52,591 INFO L128 BoogieDeclarations]: Found specification of procedure realpath [2018-04-10 14:06:52,591 INFO L128 BoogieDeclarations]: Found specification of procedure bsearch [2018-04-10 14:06:52,591 INFO L128 BoogieDeclarations]: Found specification of procedure qsort [2018-04-10 14:06:52,591 INFO L128 BoogieDeclarations]: Found specification of procedure abs [2018-04-10 14:06:52,591 INFO L128 BoogieDeclarations]: Found specification of procedure labs [2018-04-10 14:06:52,591 INFO L128 BoogieDeclarations]: Found specification of procedure llabs [2018-04-10 14:06:52,591 INFO L128 BoogieDeclarations]: Found specification of procedure div [2018-04-10 14:06:52,591 INFO L128 BoogieDeclarations]: Found specification of procedure ldiv [2018-04-10 14:06:52,591 INFO L128 BoogieDeclarations]: Found specification of procedure lldiv [2018-04-10 14:06:52,591 INFO L128 BoogieDeclarations]: Found specification of procedure ecvt [2018-04-10 14:06:52,591 INFO L128 BoogieDeclarations]: Found specification of procedure fcvt [2018-04-10 14:06:52,591 INFO L128 BoogieDeclarations]: Found specification of procedure gcvt [2018-04-10 14:06:52,592 INFO L128 BoogieDeclarations]: Found specification of procedure qecvt [2018-04-10 14:06:52,592 INFO L128 BoogieDeclarations]: Found specification of procedure qfcvt [2018-04-10 14:06:52,592 INFO L128 BoogieDeclarations]: Found specification of procedure qgcvt [2018-04-10 14:06:52,592 INFO L128 BoogieDeclarations]: Found specification of procedure ecvt_r [2018-04-10 14:06:52,592 INFO L128 BoogieDeclarations]: Found specification of procedure fcvt_r [2018-04-10 14:06:52,592 INFO L128 BoogieDeclarations]: Found specification of procedure qecvt_r [2018-04-10 14:06:52,592 INFO L128 BoogieDeclarations]: Found specification of procedure qfcvt_r [2018-04-10 14:06:52,592 INFO L128 BoogieDeclarations]: Found specification of procedure mblen [2018-04-10 14:06:52,592 INFO L128 BoogieDeclarations]: Found specification of procedure mbtowc [2018-04-10 14:06:52,592 INFO L128 BoogieDeclarations]: Found specification of procedure wctomb [2018-04-10 14:06:52,592 INFO L128 BoogieDeclarations]: Found specification of procedure mbstowcs [2018-04-10 14:06:52,592 INFO L128 BoogieDeclarations]: Found specification of procedure wcstombs [2018-04-10 14:06:52,592 INFO L128 BoogieDeclarations]: Found specification of procedure rpmatch [2018-04-10 14:06:52,593 INFO L128 BoogieDeclarations]: Found specification of procedure getsubopt [2018-04-10 14:06:52,593 INFO L128 BoogieDeclarations]: Found specification of procedure getloadavg [2018-04-10 14:06:52,593 INFO L128 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-04-10 14:06:52,593 INFO L128 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-04-10 14:06:52,593 INFO L128 BoogieDeclarations]: Found specification of procedure main [2018-04-10 14:06:52,593 INFO L128 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-04-10 14:06:52,593 INFO L128 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2018-04-10 14:06:52,593 INFO L128 BoogieDeclarations]: Found specification of procedure write~int [2018-04-10 14:06:52,593 INFO L128 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2018-04-10 14:06:52,593 INFO L128 BoogieDeclarations]: Found specification of procedure read~int [2018-04-10 14:06:52,593 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-04-10 14:06:52,594 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-04-10 14:06:52,594 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-04-10 14:06:52,594 INFO L128 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2018-04-10 14:06:52,984 INFO L259 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-04-10 14:06:52,985 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.04 02:06:52 BoogieIcfgContainer [2018-04-10 14:06:52,985 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-04-10 14:06:52,985 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-04-10 14:06:52,985 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-04-10 14:06:52,987 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-04-10 14:06:52,987 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.04 02:06:52" (1/3) ... [2018-04-10 14:06:52,988 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@66397ca6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.04 02:06:52, skipping insertion in model container [2018-04-10 14:06:52,988 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.04 02:06:52" (2/3) ... [2018-04-10 14:06:52,988 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@66397ca6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.04 02:06:52, skipping insertion in model container [2018-04-10 14:06:52,988 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.04 02:06:52" (3/3) ... [2018-04-10 14:06:52,990 INFO L107 eAbstractionObserver]: Analyzing ICFG dll-rb-cnstr_1_true-unreach-call_true-valid-memsafety.i [2018-04-10 14:06:52,997 INFO L131 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-04-10 14:06:53,003 INFO L143 ceAbstractionStarter]: Appying trace abstraction to program that has 61 error locations. [2018-04-10 14:06:53,032 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2018-04-10 14:06:53,032 INFO L369 AbstractCegarLoop]: Interprodecural is true [2018-04-10 14:06:53,032 INFO L370 AbstractCegarLoop]: Hoare is false [2018-04-10 14:06:53,032 INFO L371 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-04-10 14:06:53,032 INFO L372 AbstractCegarLoop]: Backedges is TWOTRACK [2018-04-10 14:06:53,032 INFO L373 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-04-10 14:06:53,032 INFO L374 AbstractCegarLoop]: Difference is false [2018-04-10 14:06:53,032 INFO L375 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-04-10 14:06:53,033 INFO L380 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-04-10 14:06:53,033 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-04-10 14:06:53,044 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states. [2018-04-10 14:06:53,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-04-10 14:06:53,051 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 14:06:53,051 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2018-04-10 14:06:53,051 INFO L408 AbstractCegarLoop]: === Iteration 1 === [mainErr55AssertViolationMEMORY_FREE, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr58AssertViolationMEMORY_FREE, mainErr3RequiresViolation, mainErr60EnsuresViolationMEMORY_LEAK, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr54AssertViolationMEMORY_FREE, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr59AssertViolationMEMORY_FREE, mainErr36RequiresViolation, mainErr51AssertViolationMEMORY_FREE, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr50AssertViolationMEMORY_FREE, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-04-10 14:06:53,054 INFO L82 PathProgramCache]: Analyzing trace with hash -1827316199, now seen corresponding path program 1 times [2018-04-10 14:06:53,055 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-10 14:06:53,055 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-10 14:06:53,087 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-10 14:06:53,087 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-10 14:06:53,087 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-10 14:06:53,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 14:06:53,114 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-10 14:06:53,161 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 14:06:53,162 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-10 14:06:53,162 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-04-10 14:06:53,164 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-04-10 14:06:53,172 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-04-10 14:06:53,172 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-04-10 14:06:53,173 INFO L87 Difference]: Start difference. First operand 155 states. Second operand 4 states. [2018-04-10 14:06:53,331 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 14:06:53,331 INFO L93 Difference]: Finished difference Result 171 states and 178 transitions. [2018-04-10 14:06:53,332 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-04-10 14:06:53,333 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 8 [2018-04-10 14:06:53,333 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 14:06:53,341 INFO L225 Difference]: With dead ends: 171 [2018-04-10 14:06:53,341 INFO L226 Difference]: Without dead ends: 167 [2018-04-10 14:06:53,342 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 14:06:53,354 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 167 states. [2018-04-10 14:06:53,371 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 167 to 148. [2018-04-10 14:06:53,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 148 states. [2018-04-10 14:06:53,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 148 states and 155 transitions. [2018-04-10 14:06:53,375 INFO L78 Accepts]: Start accepts. Automaton has 148 states and 155 transitions. Word has length 8 [2018-04-10 14:06:53,375 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 14:06:53,375 INFO L459 AbstractCegarLoop]: Abstraction has 148 states and 155 transitions. [2018-04-10 14:06:53,375 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-04-10 14:06:53,375 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 155 transitions. [2018-04-10 14:06:53,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-04-10 14:06:53,376 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 14:06:53,376 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2018-04-10 14:06:53,376 INFO L408 AbstractCegarLoop]: === Iteration 2 === [mainErr55AssertViolationMEMORY_FREE, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr58AssertViolationMEMORY_FREE, mainErr3RequiresViolation, mainErr60EnsuresViolationMEMORY_LEAK, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr54AssertViolationMEMORY_FREE, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr59AssertViolationMEMORY_FREE, mainErr36RequiresViolation, mainErr51AssertViolationMEMORY_FREE, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr50AssertViolationMEMORY_FREE, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-04-10 14:06:53,376 INFO L82 PathProgramCache]: Analyzing trace with hash -1827316198, now seen corresponding path program 1 times [2018-04-10 14:06:53,376 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-10 14:06:53,376 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-10 14:06:53,378 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-10 14:06:53,378 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-10 14:06:53,378 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-10 14:06:53,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 14:06:53,390 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-10 14:06:53,436 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 14:06:53,436 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-10 14:06:53,436 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-04-10 14:06:53,437 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-04-10 14:06:53,437 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-04-10 14:06:53,437 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-04-10 14:06:53,438 INFO L87 Difference]: Start difference. First operand 148 states and 155 transitions. Second operand 4 states. [2018-04-10 14:06:53,590 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 14:06:53,590 INFO L93 Difference]: Finished difference Result 164 states and 170 transitions. [2018-04-10 14:06:53,591 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-04-10 14:06:53,591 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 8 [2018-04-10 14:06:53,591 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 14:06:53,592 INFO L225 Difference]: With dead ends: 164 [2018-04-10 14:06:53,592 INFO L226 Difference]: Without dead ends: 164 [2018-04-10 14:06:53,593 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 14:06:53,593 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 164 states. [2018-04-10 14:06:53,599 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 164 to 152. [2018-04-10 14:06:53,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 152 states. [2018-04-10 14:06:53,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 152 states and 159 transitions. [2018-04-10 14:06:53,601 INFO L78 Accepts]: Start accepts. Automaton has 152 states and 159 transitions. Word has length 8 [2018-04-10 14:06:53,601 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 14:06:53,601 INFO L459 AbstractCegarLoop]: Abstraction has 152 states and 159 transitions. [2018-04-10 14:06:53,601 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-04-10 14:06:53,601 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 159 transitions. [2018-04-10 14:06:53,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-04-10 14:06:53,602 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 14:06:53,602 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-10 14:06:53,602 INFO L408 AbstractCegarLoop]: === Iteration 3 === [mainErr55AssertViolationMEMORY_FREE, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr58AssertViolationMEMORY_FREE, mainErr3RequiresViolation, mainErr60EnsuresViolationMEMORY_LEAK, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr54AssertViolationMEMORY_FREE, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr59AssertViolationMEMORY_FREE, mainErr36RequiresViolation, mainErr51AssertViolationMEMORY_FREE, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr50AssertViolationMEMORY_FREE, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-04-10 14:06:53,602 INFO L82 PathProgramCache]: Analyzing trace with hash -1265639258, now seen corresponding path program 1 times [2018-04-10 14:06:53,602 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-10 14:06:53,602 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-10 14:06:53,605 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-10 14:06:53,605 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-10 14:06:53,605 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-10 14:06:53,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 14:06:53,621 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-10 14:06:53,656 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 14:06:53,656 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-10 14:06:53,656 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-04-10 14:06:53,656 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-04-10 14:06:53,657 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-04-10 14:06:53,657 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-04-10 14:06:53,657 INFO L87 Difference]: Start difference. First operand 152 states and 159 transitions. Second operand 4 states. [2018-04-10 14:06:53,769 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 14:06:53,769 INFO L93 Difference]: Finished difference Result 155 states and 163 transitions. [2018-04-10 14:06:53,769 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-04-10 14:06:53,770 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 16 [2018-04-10 14:06:53,770 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 14:06:53,770 INFO L225 Difference]: With dead ends: 155 [2018-04-10 14:06:53,770 INFO L226 Difference]: Without dead ends: 155 [2018-04-10 14:06:53,771 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 14:06:53,771 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 155 states. [2018-04-10 14:06:53,775 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 155 to 140. [2018-04-10 14:06:53,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 140 states. [2018-04-10 14:06:53,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 140 states and 149 transitions. [2018-04-10 14:06:53,777 INFO L78 Accepts]: Start accepts. Automaton has 140 states and 149 transitions. Word has length 16 [2018-04-10 14:06:53,777 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 14:06:53,777 INFO L459 AbstractCegarLoop]: Abstraction has 140 states and 149 transitions. [2018-04-10 14:06:53,777 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-04-10 14:06:53,777 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 149 transitions. [2018-04-10 14:06:53,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-04-10 14:06:53,777 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 14:06:53,778 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-10 14:06:53,778 INFO L408 AbstractCegarLoop]: === Iteration 4 === [mainErr55AssertViolationMEMORY_FREE, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr58AssertViolationMEMORY_FREE, mainErr3RequiresViolation, mainErr60EnsuresViolationMEMORY_LEAK, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr54AssertViolationMEMORY_FREE, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr59AssertViolationMEMORY_FREE, mainErr36RequiresViolation, mainErr51AssertViolationMEMORY_FREE, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr50AssertViolationMEMORY_FREE, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-04-10 14:06:53,778 INFO L82 PathProgramCache]: Analyzing trace with hash -1265639257, now seen corresponding path program 1 times [2018-04-10 14:06:53,778 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-10 14:06:53,778 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-10 14:06:53,780 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-10 14:06:53,780 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-10 14:06:53,780 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-10 14:06:53,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 14:06:53,791 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-10 14:06:53,846 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 14:06:53,846 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-10 14:06:53,847 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-04-10 14:06:53,847 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-04-10 14:06:53,847 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-04-10 14:06:53,847 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-04-10 14:06:53,847 INFO L87 Difference]: Start difference. First operand 140 states and 149 transitions. Second operand 5 states. [2018-04-10 14:06:53,996 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 14:06:53,997 INFO L93 Difference]: Finished difference Result 180 states and 190 transitions. [2018-04-10 14:06:53,997 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-04-10 14:06:53,997 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 16 [2018-04-10 14:06:53,997 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 14:06:53,998 INFO L225 Difference]: With dead ends: 180 [2018-04-10 14:06:53,998 INFO L226 Difference]: Without dead ends: 180 [2018-04-10 14:06:53,999 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 14:06:53,999 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 180 states. [2018-04-10 14:06:54,004 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 180 to 151. [2018-04-10 14:06:54,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 151 states. [2018-04-10 14:06:54,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 151 states and 163 transitions. [2018-04-10 14:06:54,005 INFO L78 Accepts]: Start accepts. Automaton has 151 states and 163 transitions. Word has length 16 [2018-04-10 14:06:54,005 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 14:06:54,006 INFO L459 AbstractCegarLoop]: Abstraction has 151 states and 163 transitions. [2018-04-10 14:06:54,006 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-04-10 14:06:54,006 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 163 transitions. [2018-04-10 14:06:54,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-04-10 14:06:54,006 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 14:06:54,006 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-10 14:06:54,006 INFO L408 AbstractCegarLoop]: === Iteration 5 === [mainErr55AssertViolationMEMORY_FREE, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr58AssertViolationMEMORY_FREE, mainErr3RequiresViolation, mainErr60EnsuresViolationMEMORY_LEAK, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr54AssertViolationMEMORY_FREE, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr59AssertViolationMEMORY_FREE, mainErr36RequiresViolation, mainErr51AssertViolationMEMORY_FREE, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr50AssertViolationMEMORY_FREE, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-04-10 14:06:54,007 INFO L82 PathProgramCache]: Analyzing trace with hash -803582199, now seen corresponding path program 1 times [2018-04-10 14:06:54,007 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-10 14:06:54,007 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-10 14:06:54,008 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-10 14:06:54,009 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-10 14:06:54,009 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-10 14:06:54,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 14:06:54,020 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-10 14:06:54,056 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 14:06:54,056 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-10 14:06:54,056 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-04-10 14:06:54,057 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-04-10 14:06:54,057 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-04-10 14:06:54,057 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-04-10 14:06:54,057 INFO L87 Difference]: Start difference. First operand 151 states and 163 transitions. Second operand 5 states. [2018-04-10 14:06:54,190 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 14:06:54,190 INFO L93 Difference]: Finished difference Result 202 states and 218 transitions. [2018-04-10 14:06:54,191 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-04-10 14:06:54,191 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 18 [2018-04-10 14:06:54,191 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 14:06:54,191 INFO L225 Difference]: With dead ends: 202 [2018-04-10 14:06:54,192 INFO L226 Difference]: Without dead ends: 202 [2018-04-10 14:06:54,192 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 14:06:54,192 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 202 states. [2018-04-10 14:06:54,194 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 202 to 150. [2018-04-10 14:06:54,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 150 states. [2018-04-10 14:06:54,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 150 states and 161 transitions. [2018-04-10 14:06:54,195 INFO L78 Accepts]: Start accepts. Automaton has 150 states and 161 transitions. Word has length 18 [2018-04-10 14:06:54,195 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 14:06:54,195 INFO L459 AbstractCegarLoop]: Abstraction has 150 states and 161 transitions. [2018-04-10 14:06:54,195 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-04-10 14:06:54,195 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 161 transitions. [2018-04-10 14:06:54,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-04-10 14:06:54,196 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 14:06:54,196 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-10 14:06:54,196 INFO L408 AbstractCegarLoop]: === Iteration 6 === [mainErr55AssertViolationMEMORY_FREE, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr58AssertViolationMEMORY_FREE, mainErr3RequiresViolation, mainErr60EnsuresViolationMEMORY_LEAK, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr54AssertViolationMEMORY_FREE, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr59AssertViolationMEMORY_FREE, mainErr36RequiresViolation, mainErr51AssertViolationMEMORY_FREE, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr50AssertViolationMEMORY_FREE, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-04-10 14:06:54,196 INFO L82 PathProgramCache]: Analyzing trace with hash -803582198, now seen corresponding path program 1 times [2018-04-10 14:06:54,196 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-10 14:06:54,196 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-10 14:06:54,197 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-10 14:06:54,197 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-10 14:06:54,197 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-10 14:06:54,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 14:06:54,206 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-10 14:06:54,235 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 14:06:54,235 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-10 14:06:54,235 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-04-10 14:06:54,235 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-04-10 14:06:54,235 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-04-10 14:06:54,235 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-04-10 14:06:54,235 INFO L87 Difference]: Start difference. First operand 150 states and 161 transitions. Second operand 5 states. [2018-04-10 14:06:54,384 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 14:06:54,384 INFO L93 Difference]: Finished difference Result 226 states and 243 transitions. [2018-04-10 14:06:54,384 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-04-10 14:06:54,384 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 18 [2018-04-10 14:06:54,384 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 14:06:54,385 INFO L225 Difference]: With dead ends: 226 [2018-04-10 14:06:54,385 INFO L226 Difference]: Without dead ends: 226 [2018-04-10 14:06:54,385 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 14:06:54,385 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 226 states. [2018-04-10 14:06:54,388 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 226 to 149. [2018-04-10 14:06:54,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 149 states. [2018-04-10 14:06:54,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 149 states and 159 transitions. [2018-04-10 14:06:54,389 INFO L78 Accepts]: Start accepts. Automaton has 149 states and 159 transitions. Word has length 18 [2018-04-10 14:06:54,389 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 14:06:54,389 INFO L459 AbstractCegarLoop]: Abstraction has 149 states and 159 transitions. [2018-04-10 14:06:54,389 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-04-10 14:06:54,389 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 159 transitions. [2018-04-10 14:06:54,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-04-10 14:06:54,390 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 14:06:54,390 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] [2018-04-10 14:06:54,390 INFO L408 AbstractCegarLoop]: === Iteration 7 === [mainErr55AssertViolationMEMORY_FREE, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr58AssertViolationMEMORY_FREE, mainErr3RequiresViolation, mainErr60EnsuresViolationMEMORY_LEAK, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr54AssertViolationMEMORY_FREE, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr59AssertViolationMEMORY_FREE, mainErr36RequiresViolation, mainErr51AssertViolationMEMORY_FREE, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr50AssertViolationMEMORY_FREE, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-04-10 14:06:54,390 INFO L82 PathProgramCache]: Analyzing trace with hash -1931739125, now seen corresponding path program 1 times [2018-04-10 14:06:54,390 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-10 14:06:54,390 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-10 14:06:54,391 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-10 14:06:54,392 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-10 14:06:54,392 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-10 14:06:54,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 14:06:54,403 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-10 14:06:54,471 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 14:06:54,471 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-10 14:06:54,471 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-04-10 14:06:54,472 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-04-10 14:06:54,472 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-04-10 14:06:54,472 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2018-04-10 14:06:54,472 INFO L87 Difference]: Start difference. First operand 149 states and 159 transitions. Second operand 9 states. [2018-04-10 14:06:54,723 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 14:06:54,724 INFO L93 Difference]: Finished difference Result 162 states and 172 transitions. [2018-04-10 14:06:54,724 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-04-10 14:06:54,724 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 22 [2018-04-10 14:06:54,724 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 14:06:54,724 INFO L225 Difference]: With dead ends: 162 [2018-04-10 14:06:54,725 INFO L226 Difference]: Without dead ends: 162 [2018-04-10 14:06:54,725 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 2 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 14:06:54,725 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 162 states. [2018-04-10 14:06:54,726 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 162 to 148. [2018-04-10 14:06:54,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 148 states. [2018-04-10 14:06:54,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 148 states and 158 transitions. [2018-04-10 14:06:54,727 INFO L78 Accepts]: Start accepts. Automaton has 148 states and 158 transitions. Word has length 22 [2018-04-10 14:06:54,727 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 14:06:54,727 INFO L459 AbstractCegarLoop]: Abstraction has 148 states and 158 transitions. [2018-04-10 14:06:54,727 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-04-10 14:06:54,727 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 158 transitions. [2018-04-10 14:06:54,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-04-10 14:06:54,728 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 14:06:54,728 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] [2018-04-10 14:06:54,728 INFO L408 AbstractCegarLoop]: === Iteration 8 === [mainErr55AssertViolationMEMORY_FREE, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr58AssertViolationMEMORY_FREE, mainErr3RequiresViolation, mainErr60EnsuresViolationMEMORY_LEAK, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr54AssertViolationMEMORY_FREE, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr59AssertViolationMEMORY_FREE, mainErr36RequiresViolation, mainErr51AssertViolationMEMORY_FREE, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr50AssertViolationMEMORY_FREE, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-04-10 14:06:54,728 INFO L82 PathProgramCache]: Analyzing trace with hash -1931739124, now seen corresponding path program 1 times [2018-04-10 14:06:54,728 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-10 14:06:54,728 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-10 14:06:54,729 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-10 14:06:54,730 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-10 14:06:54,730 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-10 14:06:54,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 14:06:54,740 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-10 14:06:54,831 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 14:06:54,832 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-10 14:06:54,832 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-04-10 14:06:54,832 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-04-10 14:06:54,832 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-04-10 14:06:54,832 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2018-04-10 14:06:54,833 INFO L87 Difference]: Start difference. First operand 148 states and 158 transitions. Second operand 10 states. [2018-04-10 14:06:55,215 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 14:06:55,215 INFO L93 Difference]: Finished difference Result 178 states and 189 transitions. [2018-04-10 14:06:55,216 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-04-10 14:06:55,216 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 22 [2018-04-10 14:06:55,216 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 14:06:55,217 INFO L225 Difference]: With dead ends: 178 [2018-04-10 14:06:55,217 INFO L226 Difference]: Without dead ends: 178 [2018-04-10 14:06:55,217 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=129, Invalid=291, Unknown=0, NotChecked=0, Total=420 [2018-04-10 14:06:55,217 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 178 states. [2018-04-10 14:06:55,218 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 178 to 153. [2018-04-10 14:06:55,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 153 states. [2018-04-10 14:06:55,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 153 states and 163 transitions. [2018-04-10 14:06:55,219 INFO L78 Accepts]: Start accepts. Automaton has 153 states and 163 transitions. Word has length 22 [2018-04-10 14:06:55,220 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 14:06:55,220 INFO L459 AbstractCegarLoop]: Abstraction has 153 states and 163 transitions. [2018-04-10 14:06:55,220 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-04-10 14:06:55,220 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 163 transitions. [2018-04-10 14:06:55,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-04-10 14:06:55,220 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 14:06:55,221 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-10 14:06:55,221 INFO L408 AbstractCegarLoop]: === Iteration 9 === [mainErr55AssertViolationMEMORY_FREE, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr58AssertViolationMEMORY_FREE, mainErr3RequiresViolation, mainErr60EnsuresViolationMEMORY_LEAK, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr54AssertViolationMEMORY_FREE, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr59AssertViolationMEMORY_FREE, mainErr36RequiresViolation, mainErr51AssertViolationMEMORY_FREE, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr50AssertViolationMEMORY_FREE, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-04-10 14:06:55,221 INFO L82 PathProgramCache]: Analyzing trace with hash 748887641, now seen corresponding path program 1 times [2018-04-10 14:06:55,221 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-10 14:06:55,221 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-10 14:06:55,222 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-10 14:06:55,222 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-10 14:06:55,222 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-10 14:06:55,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 14:06:55,228 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-10 14:06:55,250 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 14:06:55,250 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-10 14:06:55,250 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-04-10 14:06:55,250 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-04-10 14:06:55,250 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-04-10 14:06:55,251 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-04-10 14:06:55,251 INFO L87 Difference]: Start difference. First operand 153 states and 163 transitions. Second operand 5 states. [2018-04-10 14:06:55,364 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 14:06:55,364 INFO L93 Difference]: Finished difference Result 175 states and 184 transitions. [2018-04-10 14:06:55,365 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-04-10 14:06:55,365 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 28 [2018-04-10 14:06:55,365 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 14:06:55,365 INFO L225 Difference]: With dead ends: 175 [2018-04-10 14:06:55,365 INFO L226 Difference]: Without dead ends: 175 [2018-04-10 14:06:55,366 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 1 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 14:06:55,366 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 175 states. [2018-04-10 14:06:55,367 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 175 to 153. [2018-04-10 14:06:55,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 153 states. [2018-04-10 14:06:55,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 153 states and 161 transitions. [2018-04-10 14:06:55,368 INFO L78 Accepts]: Start accepts. Automaton has 153 states and 161 transitions. Word has length 28 [2018-04-10 14:06:55,368 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 14:06:55,368 INFO L459 AbstractCegarLoop]: Abstraction has 153 states and 161 transitions. [2018-04-10 14:06:55,368 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-04-10 14:06:55,368 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 161 transitions. [2018-04-10 14:06:55,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-04-10 14:06:55,368 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 14:06:55,368 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] [2018-04-10 14:06:55,369 INFO L408 AbstractCegarLoop]: === Iteration 10 === [mainErr55AssertViolationMEMORY_FREE, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr58AssertViolationMEMORY_FREE, mainErr3RequiresViolation, mainErr60EnsuresViolationMEMORY_LEAK, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr54AssertViolationMEMORY_FREE, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr59AssertViolationMEMORY_FREE, mainErr36RequiresViolation, mainErr51AssertViolationMEMORY_FREE, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr50AssertViolationMEMORY_FREE, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-04-10 14:06:55,369 INFO L82 PathProgramCache]: Analyzing trace with hash -820413304, now seen corresponding path program 1 times [2018-04-10 14:06:55,369 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-10 14:06:55,369 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-10 14:06:55,370 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-10 14:06:55,370 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-10 14:06:55,370 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-10 14:06:55,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 14:06:55,381 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-10 14:06:55,414 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 14:06:55,415 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-10 14:06:55,415 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-04-10 14:06:55,415 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-04-10 14:06:55,415 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-04-10 14:06:55,415 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-04-10 14:06:55,415 INFO L87 Difference]: Start difference. First operand 153 states and 161 transitions. Second operand 5 states. [2018-04-10 14:06:55,646 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 14:06:55,646 INFO L93 Difference]: Finished difference Result 256 states and 271 transitions. [2018-04-10 14:06:55,647 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-04-10 14:06:55,647 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 29 [2018-04-10 14:06:55,647 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 14:06:55,648 INFO L225 Difference]: With dead ends: 256 [2018-04-10 14:06:55,648 INFO L226 Difference]: Without dead ends: 256 [2018-04-10 14:06:55,648 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 14:06:55,648 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 256 states. [2018-04-10 14:06:55,650 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 256 to 152. [2018-04-10 14:06:55,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 152 states. [2018-04-10 14:06:55,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 152 states and 160 transitions. [2018-04-10 14:06:55,650 INFO L78 Accepts]: Start accepts. Automaton has 152 states and 160 transitions. Word has length 29 [2018-04-10 14:06:55,651 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 14:06:55,651 INFO L459 AbstractCegarLoop]: Abstraction has 152 states and 160 transitions. [2018-04-10 14:06:55,651 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-04-10 14:06:55,651 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 160 transitions. [2018-04-10 14:06:55,651 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-04-10 14:06:55,651 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 14:06:55,652 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] [2018-04-10 14:06:55,652 INFO L408 AbstractCegarLoop]: === Iteration 11 === [mainErr55AssertViolationMEMORY_FREE, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr58AssertViolationMEMORY_FREE, mainErr3RequiresViolation, mainErr60EnsuresViolationMEMORY_LEAK, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr54AssertViolationMEMORY_FREE, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr59AssertViolationMEMORY_FREE, mainErr36RequiresViolation, mainErr51AssertViolationMEMORY_FREE, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr50AssertViolationMEMORY_FREE, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-04-10 14:06:55,652 INFO L82 PathProgramCache]: Analyzing trace with hash -820413305, now seen corresponding path program 1 times [2018-04-10 14:06:55,652 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-10 14:06:55,652 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-10 14:06:55,653 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-10 14:06:55,653 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-10 14:06:55,653 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-10 14:06:55,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 14:06:55,664 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-10 14:06:55,707 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 14:06:55,707 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-10 14:06:55,707 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-04-10 14:06:55,707 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-04-10 14:06:55,708 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-04-10 14:06:55,708 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-04-10 14:06:55,708 INFO L87 Difference]: Start difference. First operand 152 states and 160 transitions. Second operand 5 states. [2018-04-10 14:06:55,863 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 14:06:55,863 INFO L93 Difference]: Finished difference Result 227 states and 241 transitions. [2018-04-10 14:06:55,863 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-04-10 14:06:55,863 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 29 [2018-04-10 14:06:55,864 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 14:06:55,865 INFO L225 Difference]: With dead ends: 227 [2018-04-10 14:06:55,865 INFO L226 Difference]: Without dead ends: 227 [2018-04-10 14:06:55,865 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 14:06:55,865 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 227 states. [2018-04-10 14:06:55,867 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 227 to 151. [2018-04-10 14:06:55,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 151 states. [2018-04-10 14:06:55,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 151 states and 159 transitions. [2018-04-10 14:06:55,868 INFO L78 Accepts]: Start accepts. Automaton has 151 states and 159 transitions. Word has length 29 [2018-04-10 14:06:55,868 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 14:06:55,868 INFO L459 AbstractCegarLoop]: Abstraction has 151 states and 159 transitions. [2018-04-10 14:06:55,869 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-04-10 14:06:55,869 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 159 transitions. [2018-04-10 14:06:55,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-04-10 14:06:55,869 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 14:06:55,869 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] [2018-04-10 14:06:55,870 INFO L408 AbstractCegarLoop]: === Iteration 12 === [mainErr55AssertViolationMEMORY_FREE, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr58AssertViolationMEMORY_FREE, mainErr3RequiresViolation, mainErr60EnsuresViolationMEMORY_LEAK, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr54AssertViolationMEMORY_FREE, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr59AssertViolationMEMORY_FREE, mainErr36RequiresViolation, mainErr51AssertViolationMEMORY_FREE, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr50AssertViolationMEMORY_FREE, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-04-10 14:06:55,870 INFO L82 PathProgramCache]: Analyzing trace with hash -950998325, now seen corresponding path program 1 times [2018-04-10 14:06:55,870 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-10 14:06:55,870 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-10 14:06:55,871 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-10 14:06:55,871 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-10 14:06:55,871 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-10 14:06:55,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 14:06:55,878 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-10 14:06:55,922 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 14:06:55,922 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-04-10 14:06:55,922 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 14:06:55,936 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-10 14:06:55,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 14:06:55,958 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-10 14:06:56,015 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 14:06:56,017 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 14:06:56,018 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-10 14:06:56,019 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-10 14:06:56,026 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-04-10 14:06:56,031 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 14:06:56,032 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-10 14:06:56,033 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-10 14:06:56,037 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-10 14:06:56,037 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:29, output treesize:18 [2018-04-10 14:06:56,051 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 14:06:56,053 INFO L700 Elim1Store]: detected not equals via solver [2018-04-10 14:06:56,054 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 14:06:56,054 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-10 14:06:56,057 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-10 14:06:56,065 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 14:06:56,067 INFO L700 Elim1Store]: detected not equals via solver [2018-04-10 14:06:56,067 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 14:06:56,068 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-10 14:06:56,076 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-10 14:06:56,081 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-10 14:06:56,081 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:44, output treesize:36 [2018-04-10 14:06:56,115 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 22 treesize of output 16 [2018-04-10 14:06:56,117 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 16 treesize of output 3 [2018-04-10 14:06:56,117 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-10 14:06:56,118 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-10 14:06:56,122 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 22 treesize of output 16 [2018-04-10 14:06:56,124 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 16 treesize of output 3 [2018-04-10 14:06:56,124 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-10 14:06:56,125 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-10 14:06:56,126 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 14:06:56,127 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:43, output treesize:7 [2018-04-10 14:06:56,134 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 14:06:56,152 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-10 14:06:56,153 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 9] total 11 [2018-04-10 14:06:56,153 INFO L442 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-04-10 14:06:56,153 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-04-10 14:06:56,153 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2018-04-10 14:06:56,153 INFO L87 Difference]: Start difference. First operand 151 states and 159 transitions. Second operand 11 states. [2018-04-10 14:06:56,450 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 14:06:56,450 INFO L93 Difference]: Finished difference Result 214 states and 227 transitions. [2018-04-10 14:06:56,450 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-04-10 14:06:56,450 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 31 [2018-04-10 14:06:56,450 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 14:06:56,451 INFO L225 Difference]: With dead ends: 214 [2018-04-10 14:06:56,451 INFO L226 Difference]: Without dead ends: 214 [2018-04-10 14:06:56,452 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 27 SyntacticMatches, 2 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=97, Invalid=245, Unknown=0, NotChecked=0, Total=342 [2018-04-10 14:06:56,452 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 214 states. [2018-04-10 14:06:56,455 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 214 to 170. [2018-04-10 14:06:56,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 170 states. [2018-04-10 14:06:56,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 170 states and 180 transitions. [2018-04-10 14:06:56,456 INFO L78 Accepts]: Start accepts. Automaton has 170 states and 180 transitions. Word has length 31 [2018-04-10 14:06:56,456 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 14:06:56,456 INFO L459 AbstractCegarLoop]: Abstraction has 170 states and 180 transitions. [2018-04-10 14:06:56,456 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-04-10 14:06:56,456 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 180 transitions. [2018-04-10 14:06:56,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-04-10 14:06:56,457 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 14:06:56,457 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 14:06:56,457 INFO L408 AbstractCegarLoop]: === Iteration 13 === [mainErr55AssertViolationMEMORY_FREE, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr58AssertViolationMEMORY_FREE, mainErr3RequiresViolation, mainErr60EnsuresViolationMEMORY_LEAK, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr54AssertViolationMEMORY_FREE, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr59AssertViolationMEMORY_FREE, mainErr36RequiresViolation, mainErr51AssertViolationMEMORY_FREE, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr50AssertViolationMEMORY_FREE, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-04-10 14:06:56,457 INFO L82 PathProgramCache]: Analyzing trace with hash -1007807953, now seen corresponding path program 1 times [2018-04-10 14:06:56,457 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-10 14:06:56,457 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-10 14:06:56,459 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-10 14:06:56,459 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-10 14:06:56,459 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-10 14:06:56,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 14:06:56,465 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-10 14:06:56,532 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 14:06:56,532 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-10 14:06:56,532 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-04-10 14:06:56,533 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-04-10 14:06:56,533 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-04-10 14:06:56,533 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-04-10 14:06:56,533 INFO L87 Difference]: Start difference. First operand 170 states and 180 transitions. Second operand 5 states. [2018-04-10 14:06:56,662 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 14:06:56,662 INFO L93 Difference]: Finished difference Result 177 states and 185 transitions. [2018-04-10 14:06:56,662 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-04-10 14:06:56,662 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 33 [2018-04-10 14:06:56,662 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 14:06:56,663 INFO L225 Difference]: With dead ends: 177 [2018-04-10 14:06:56,663 INFO L226 Difference]: Without dead ends: 177 [2018-04-10 14:06:56,663 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 14:06:56,663 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 177 states. [2018-04-10 14:06:56,666 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 177 to 169. [2018-04-10 14:06:56,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 169 states. [2018-04-10 14:06:56,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 169 states and 177 transitions. [2018-04-10 14:06:56,667 INFO L78 Accepts]: Start accepts. Automaton has 169 states and 177 transitions. Word has length 33 [2018-04-10 14:06:56,667 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 14:06:56,667 INFO L459 AbstractCegarLoop]: Abstraction has 169 states and 177 transitions. [2018-04-10 14:06:56,667 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-04-10 14:06:56,667 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 177 transitions. [2018-04-10 14:06:56,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-04-10 14:06:56,668 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 14:06:56,668 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 14:06:56,668 INFO L408 AbstractCegarLoop]: === Iteration 14 === [mainErr55AssertViolationMEMORY_FREE, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr58AssertViolationMEMORY_FREE, mainErr3RequiresViolation, mainErr60EnsuresViolationMEMORY_LEAK, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr54AssertViolationMEMORY_FREE, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr59AssertViolationMEMORY_FREE, mainErr36RequiresViolation, mainErr51AssertViolationMEMORY_FREE, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr50AssertViolationMEMORY_FREE, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-04-10 14:06:56,668 INFO L82 PathProgramCache]: Analyzing trace with hash 1970951689, now seen corresponding path program 1 times [2018-04-10 14:06:56,668 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-10 14:06:56,668 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-10 14:06:56,669 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-10 14:06:56,669 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-10 14:06:56,670 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-10 14:06:56,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 14:06:56,682 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-10 14:06:56,742 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 14:06:56,742 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-10 14:06:56,742 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-04-10 14:06:56,743 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-04-10 14:06:56,743 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-04-10 14:06:56,743 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2018-04-10 14:06:56,743 INFO L87 Difference]: Start difference. First operand 169 states and 177 transitions. Second operand 8 states. [2018-04-10 14:06:56,942 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 14:06:56,942 INFO L93 Difference]: Finished difference Result 170 states and 178 transitions. [2018-04-10 14:06:56,942 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-04-10 14:06:56,942 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 33 [2018-04-10 14:06:56,942 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 14:06:56,943 INFO L225 Difference]: With dead ends: 170 [2018-04-10 14:06:56,943 INFO L226 Difference]: Without dead ends: 170 [2018-04-10 14:06:56,943 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 14:06:56,943 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 170 states. [2018-04-10 14:06:56,944 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 170 to 168. [2018-04-10 14:06:56,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 168 states. [2018-04-10 14:06:56,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 168 states and 176 transitions. [2018-04-10 14:06:56,945 INFO L78 Accepts]: Start accepts. Automaton has 168 states and 176 transitions. Word has length 33 [2018-04-10 14:06:56,945 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 14:06:56,945 INFO L459 AbstractCegarLoop]: Abstraction has 168 states and 176 transitions. [2018-04-10 14:06:56,945 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-04-10 14:06:56,945 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 176 transitions. [2018-04-10 14:06:56,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-04-10 14:06:56,946 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 14:06:56,946 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 14:06:56,946 INFO L408 AbstractCegarLoop]: === Iteration 15 === [mainErr55AssertViolationMEMORY_FREE, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr58AssertViolationMEMORY_FREE, mainErr3RequiresViolation, mainErr60EnsuresViolationMEMORY_LEAK, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr54AssertViolationMEMORY_FREE, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr59AssertViolationMEMORY_FREE, mainErr36RequiresViolation, mainErr51AssertViolationMEMORY_FREE, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr50AssertViolationMEMORY_FREE, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-04-10 14:06:56,947 INFO L82 PathProgramCache]: Analyzing trace with hash 1970951690, now seen corresponding path program 1 times [2018-04-10 14:06:56,947 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-10 14:06:56,947 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-10 14:06:56,948 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-10 14:06:56,948 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-10 14:06:56,948 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-10 14:06:56,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 14:06:56,958 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-10 14:06:57,082 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 14:06:57,082 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-10 14:06:57,082 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-04-10 14:06:57,082 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-04-10 14:06:57,083 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-04-10 14:06:57,083 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2018-04-10 14:06:57,083 INFO L87 Difference]: Start difference. First operand 168 states and 176 transitions. Second operand 9 states. [2018-04-10 14:06:57,389 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 14:06:57,389 INFO L93 Difference]: Finished difference Result 165 states and 173 transitions. [2018-04-10 14:06:57,389 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-04-10 14:06:57,389 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 33 [2018-04-10 14:06:57,389 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 14:06:57,390 INFO L225 Difference]: With dead ends: 165 [2018-04-10 14:06:57,390 INFO L226 Difference]: Without dead ends: 165 [2018-04-10 14:06:57,390 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=50, Invalid=132, Unknown=0, NotChecked=0, Total=182 [2018-04-10 14:06:57,390 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 165 states. [2018-04-10 14:06:57,391 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 165 to 141. [2018-04-10 14:06:57,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 141 states. [2018-04-10 14:06:57,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 141 states and 148 transitions. [2018-04-10 14:06:57,392 INFO L78 Accepts]: Start accepts. Automaton has 141 states and 148 transitions. Word has length 33 [2018-04-10 14:06:57,392 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 14:06:57,392 INFO L459 AbstractCegarLoop]: Abstraction has 141 states and 148 transitions. [2018-04-10 14:06:57,392 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-04-10 14:06:57,392 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 148 transitions. [2018-04-10 14:06:57,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-04-10 14:06:57,393 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 14:06:57,393 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] [2018-04-10 14:06:57,393 INFO L408 AbstractCegarLoop]: === Iteration 16 === [mainErr55AssertViolationMEMORY_FREE, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr58AssertViolationMEMORY_FREE, mainErr3RequiresViolation, mainErr60EnsuresViolationMEMORY_LEAK, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr54AssertViolationMEMORY_FREE, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr59AssertViolationMEMORY_FREE, mainErr36RequiresViolation, mainErr51AssertViolationMEMORY_FREE, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr50AssertViolationMEMORY_FREE, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-04-10 14:06:57,393 INFO L82 PathProgramCache]: Analyzing trace with hash -260764577, now seen corresponding path program 1 times [2018-04-10 14:06:57,393 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-10 14:06:57,393 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-10 14:06:57,394 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-10 14:06:57,394 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-10 14:06:57,394 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-10 14:06:57,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 14:06:57,400 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-10 14:06:57,443 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 14:06:57,443 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-04-10 14:06:57,443 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 14:06:57,451 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-10 14:06:57,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 14:06:57,471 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-10 14:06:57,476 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 14:06:57,477 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 14:06:57,477 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-10 14:06:57,478 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-10 14:06:57,479 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-10 14:06:57,479 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:13, output treesize:9 [2018-04-10 14:06:57,483 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 14:06:57,484 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 14:06:57,485 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-10 14:06:57,485 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-10 14:06:57,486 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 14:06:57,486 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:19, output treesize:3 [2018-04-10 14:06:57,492 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 14:06:57,508 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-04-10 14:06:57,508 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [8] total 9 [2018-04-10 14:06:57,509 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-04-10 14:06:57,509 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-04-10 14:06:57,509 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2018-04-10 14:06:57,509 INFO L87 Difference]: Start difference. First operand 141 states and 148 transitions. Second operand 9 states. [2018-04-10 14:06:57,667 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 14:06:57,668 INFO L93 Difference]: Finished difference Result 228 states and 239 transitions. [2018-04-10 14:06:57,668 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-04-10 14:06:57,668 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 40 [2018-04-10 14:06:57,668 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 14:06:57,668 INFO L225 Difference]: With dead ends: 228 [2018-04-10 14:06:57,668 INFO L226 Difference]: Without dead ends: 228 [2018-04-10 14:06:57,669 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 38 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 14:06:57,669 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 228 states. [2018-04-10 14:06:57,670 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 228 to 138. [2018-04-10 14:06:57,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 138 states. [2018-04-10 14:06:57,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 138 states and 144 transitions. [2018-04-10 14:06:57,671 INFO L78 Accepts]: Start accepts. Automaton has 138 states and 144 transitions. Word has length 40 [2018-04-10 14:06:57,671 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 14:06:57,671 INFO L459 AbstractCegarLoop]: Abstraction has 138 states and 144 transitions. [2018-04-10 14:06:57,671 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-04-10 14:06:57,671 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 144 transitions. [2018-04-10 14:06:57,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2018-04-10 14:06:57,672 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 14:06:57,672 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] [2018-04-10 14:06:57,672 INFO L408 AbstractCegarLoop]: === Iteration 17 === [mainErr55AssertViolationMEMORY_FREE, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr58AssertViolationMEMORY_FREE, mainErr3RequiresViolation, mainErr60EnsuresViolationMEMORY_LEAK, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr54AssertViolationMEMORY_FREE, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr59AssertViolationMEMORY_FREE, mainErr36RequiresViolation, mainErr51AssertViolationMEMORY_FREE, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr50AssertViolationMEMORY_FREE, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-04-10 14:06:57,672 INFO L82 PathProgramCache]: Analyzing trace with hash 1392207077, now seen corresponding path program 1 times [2018-04-10 14:06:57,672 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-10 14:06:57,672 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-10 14:06:57,673 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-10 14:06:57,673 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-10 14:06:57,673 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-10 14:06:57,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 14:06:57,687 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-10 14:06:57,801 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 14:06:57,801 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-04-10 14:06:57,801 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 14:06:57,809 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-10 14:06:57,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 14:06:57,827 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-10 14:06:57,842 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 14:06:57,844 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 9 [2018-04-10 14:06:57,844 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-10 14:06:57,846 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-10 14:06:57,849 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-10 14:06:57,850 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:17, output treesize:13 [2018-04-10 14:06:57,987 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 14:06:57,996 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 8 [2018-04-10 14:06:57,997 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 2 xjuncts. [2018-04-10 14:06:58,001 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-10 14:06:58,013 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 14:06:58,016 INFO L700 Elim1Store]: detected not equals via solver [2018-04-10 14:06:58,018 INFO L700 Elim1Store]: detected not equals via solver [2018-04-10 14:06:58,023 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 18 treesize of output 21 [2018-04-10 14:06:58,024 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 2 xjuncts. [2018-04-10 14:06:58,032 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-10 14:06:58,044 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: and 2 xjuncts. [2018-04-10 14:06:58,044 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:44, output treesize:18 [2018-04-10 14:06:58,102 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 14:06:58,125 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-10 14:06:58,126 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 12] total 17 [2018-04-10 14:06:58,126 INFO L442 AbstractCegarLoop]: Interpolant automaton has 17 states [2018-04-10 14:06:58,126 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2018-04-10 14:06:58,126 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=227, Unknown=2, NotChecked=0, Total=272 [2018-04-10 14:06:58,127 INFO L87 Difference]: Start difference. First operand 138 states and 144 transitions. Second operand 17 states. [2018-04-10 14:06:58,826 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 14:06:58,827 INFO L93 Difference]: Finished difference Result 195 states and 204 transitions. [2018-04-10 14:06:58,827 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2018-04-10 14:06:58,827 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 43 [2018-04-10 14:06:58,827 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 14:06:58,827 INFO L225 Difference]: With dead ends: 195 [2018-04-10 14:06:58,827 INFO L226 Difference]: Without dead ends: 195 [2018-04-10 14:06:58,828 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 35 SyntacticMatches, 3 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 143 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=181, Invalid=806, Unknown=5, NotChecked=0, Total=992 [2018-04-10 14:06:58,828 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 195 states. [2018-04-10 14:06:58,829 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 195 to 153. [2018-04-10 14:06:58,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 153 states. [2018-04-10 14:06:58,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 153 states and 160 transitions. [2018-04-10 14:06:58,830 INFO L78 Accepts]: Start accepts. Automaton has 153 states and 160 transitions. Word has length 43 [2018-04-10 14:06:58,830 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 14:06:58,830 INFO L459 AbstractCegarLoop]: Abstraction has 153 states and 160 transitions. [2018-04-10 14:06:58,831 INFO L460 AbstractCegarLoop]: Interpolant automaton has 17 states. [2018-04-10 14:06:58,831 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 160 transitions. [2018-04-10 14:06:58,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-04-10 14:06:58,831 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 14:06:58,831 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] [2018-04-10 14:06:58,831 INFO L408 AbstractCegarLoop]: === Iteration 18 === [mainErr55AssertViolationMEMORY_FREE, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr58AssertViolationMEMORY_FREE, mainErr3RequiresViolation, mainErr60EnsuresViolationMEMORY_LEAK, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr54AssertViolationMEMORY_FREE, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr59AssertViolationMEMORY_FREE, mainErr36RequiresViolation, mainErr51AssertViolationMEMORY_FREE, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr50AssertViolationMEMORY_FREE, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-04-10 14:06:58,832 INFO L82 PathProgramCache]: Analyzing trace with hash 208746008, now seen corresponding path program 1 times [2018-04-10 14:06:58,832 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-10 14:06:58,832 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-10 14:06:58,833 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-10 14:06:58,833 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-10 14:06:58,833 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-10 14:06:58,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 14:06:58,839 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-10 14:06:58,888 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-04-10 14:06:58,888 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-04-10 14:06:58,889 INFO L213 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-04-10 14:06:58,897 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-10 14:06:58,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 14:06:58,922 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-10 14:06:58,959 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-04-10 14:06:58,986 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-10 14:06:58,986 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 5] total 7 [2018-04-10 14:06:58,986 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-04-10 14:06:58,986 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-04-10 14:06:58,987 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=36, Unknown=4, NotChecked=0, Total=56 [2018-04-10 14:06:58,987 INFO L87 Difference]: Start difference. First operand 153 states and 160 transitions. Second operand 8 states. [2018-04-10 14:06:59,102 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 14:06:59,103 INFO L93 Difference]: Finished difference Result 168 states and 174 transitions. [2018-04-10 14:06:59,134 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-04-10 14:06:59,134 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 44 [2018-04-10 14:06:59,135 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 14:06:59,135 INFO L225 Difference]: With dead ends: 168 [2018-04-10 14:06:59,135 INFO L226 Difference]: Without dead ends: 138 [2018-04-10 14:06:59,135 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=72, Unknown=4, NotChecked=0, Total=110 [2018-04-10 14:06:59,136 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 138 states. [2018-04-10 14:06:59,137 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 138 to 137. [2018-04-10 14:06:59,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 137 states. [2018-04-10 14:06:59,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 137 states and 143 transitions. [2018-04-10 14:06:59,138 INFO L78 Accepts]: Start accepts. Automaton has 137 states and 143 transitions. Word has length 44 [2018-04-10 14:06:59,138 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 14:06:59,138 INFO L459 AbstractCegarLoop]: Abstraction has 137 states and 143 transitions. [2018-04-10 14:06:59,138 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-04-10 14:06:59,138 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 143 transitions. [2018-04-10 14:06:59,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2018-04-10 14:06:59,139 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 14:06:59,139 INFO L355 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-10 14:06:59,139 INFO L408 AbstractCegarLoop]: === Iteration 19 === [mainErr55AssertViolationMEMORY_FREE, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr58AssertViolationMEMORY_FREE, mainErr3RequiresViolation, mainErr60EnsuresViolationMEMORY_LEAK, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr54AssertViolationMEMORY_FREE, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr59AssertViolationMEMORY_FREE, mainErr36RequiresViolation, mainErr51AssertViolationMEMORY_FREE, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr50AssertViolationMEMORY_FREE, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-04-10 14:06:59,139 INFO L82 PathProgramCache]: Analyzing trace with hash -939209176, now seen corresponding path program 1 times [2018-04-10 14:06:59,139 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-10 14:06:59,139 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-10 14:06:59,140 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-10 14:06:59,140 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-10 14:06:59,141 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-10 14:06:59,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 14:06:59,151 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-10 14:06:59,280 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 14:06:59,280 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-04-10 14:06:59,280 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 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-04-10 14:06:59,286 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-10 14:06:59,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 14:06:59,304 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-10 14:06:59,370 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 48 treesize of output 53 [2018-04-10 14:06:59,373 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 49 treesize of output 48 [2018-04-10 14:06:59,374 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-10 14:06:59,394 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 2 case distinctions, treesize of input 31 treesize of output 31 [2018-04-10 14:06:59,395 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 2 xjuncts. [2018-04-10 14:06:59,406 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-10 14:06:59,429 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 40 treesize of output 33 [2018-04-10 14:06:59,431 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 12 treesize of output 11 [2018-04-10 14:06:59,431 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-04-10 14:06:59,434 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-10 14:06:59,436 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 22 treesize of output 19 [2018-04-10 14:06:59,437 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 14:06:59,437 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2018-04-10 14:06:59,441 INFO L267 ElimStorePlain]: Start of recursive call 7: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-10 14:06:59,450 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-04-10 14:06:59,450 INFO L202 ElimStorePlain]: Needed 8 recursive calls to eliminate 3 variables, input treesize:53, output treesize:58 [2018-04-10 14:06:59,539 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 34 treesize of output 30 [2018-04-10 14:06:59,542 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 14:06:59,542 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-10 14:06:59,548 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-10 14:06:59,565 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 23 treesize of output 19 [2018-04-10 14:06:59,567 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 14:06:59,568 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-10 14:06:59,572 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-10 14:06:59,596 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 51 treesize of output 47 [2018-04-10 14:06:59,600 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 43 treesize of output 38 [2018-04-10 14:06:59,601 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-04-10 14:06:59,630 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 33 [2018-04-10 14:06:59,631 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 2 xjuncts. [2018-04-10 14:06:59,651 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 38 treesize of output 29 [2018-04-10 14:06:59,652 INFO L267 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2018-04-10 14:06:59,668 INFO L267 ElimStorePlain]: Start of recursive call 6: 3 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-04-10 14:06:59,691 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 25 [2018-04-10 14:06:59,693 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 5 treesize of output 1 [2018-04-10 14:06:59,693 INFO L267 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2018-04-10 14:06:59,698 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 5 treesize of output 1 [2018-04-10 14:06:59,698 INFO L267 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2018-04-10 14:06:59,703 INFO L267 ElimStorePlain]: Start of recursive call 10: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-10 14:06:59,708 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 28 treesize of output 32 [2018-04-10 14:06:59,734 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 24 treesize of output 22 [2018-04-10 14:06:59,735 INFO L267 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 2 xjuncts. [2018-04-10 14:06:59,756 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 28 treesize of output 23 [2018-04-10 14:06:59,756 INFO L267 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2018-04-10 14:06:59,773 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 23 treesize of output 18 [2018-04-10 14:06:59,773 INFO L267 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2018-04-10 14:06:59,786 INFO L267 ElimStorePlain]: Start of recursive call 13: 3 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-04-10 14:06:59,790 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 29 treesize of output 33 [2018-04-10 14:06:59,792 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 25 treesize of output 15 [2018-04-10 14:06:59,792 INFO L267 ElimStorePlain]: Start of recursive call 18: End of recursive call: and 1 xjuncts. [2018-04-10 14:06:59,805 INFO L267 ElimStorePlain]: Start of recursive call 17: 3 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-10 14:06:59,820 INFO L267 ElimStorePlain]: Start of recursive call 1: 5 dim-0 vars, 4 dim-2 vars, End of recursive call: 4 dim-0 vars, and 4 xjuncts. [2018-04-10 14:06:59,821 INFO L202 ElimStorePlain]: Needed 18 recursive calls to eliminate 9 variables, input treesize:86, output treesize:56 [2018-04-10 14:06:59,878 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 14:06:59,896 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-10 14:06:59,896 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 10] total 19 [2018-04-10 14:06:59,896 INFO L442 AbstractCegarLoop]: Interpolant automaton has 20 states [2018-04-10 14:06:59,896 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2018-04-10 14:06:59,896 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=326, Unknown=0, NotChecked=0, Total=380 [2018-04-10 14:06:59,897 INFO L87 Difference]: Start difference. First operand 137 states and 143 transitions. Second operand 20 states. [2018-04-10 14:07:00,863 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 14:07:00,863 INFO L93 Difference]: Finished difference Result 251 states and 263 transitions. [2018-04-10 14:07:00,863 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2018-04-10 14:07:00,863 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 56 [2018-04-10 14:07:00,863 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 14:07:00,864 INFO L225 Difference]: With dead ends: 251 [2018-04-10 14:07:00,864 INFO L226 Difference]: Without dead ends: 251 [2018-04-10 14:07:00,864 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 48 SyntacticMatches, 2 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 232 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=259, Invalid=1073, Unknown=0, NotChecked=0, Total=1332 [2018-04-10 14:07:00,864 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 251 states. [2018-04-10 14:07:00,866 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 251 to 179. [2018-04-10 14:07:00,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 179 states. [2018-04-10 14:07:00,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 179 states and 189 transitions. [2018-04-10 14:07:00,867 INFO L78 Accepts]: Start accepts. Automaton has 179 states and 189 transitions. Word has length 56 [2018-04-10 14:07:00,867 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 14:07:00,867 INFO L459 AbstractCegarLoop]: Abstraction has 179 states and 189 transitions. [2018-04-10 14:07:00,867 INFO L460 AbstractCegarLoop]: Interpolant automaton has 20 states. [2018-04-10 14:07:00,868 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 189 transitions. [2018-04-10 14:07:00,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2018-04-10 14:07:00,868 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 14:07:00,868 INFO L355 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-10 14:07:00,868 INFO L408 AbstractCegarLoop]: === Iteration 20 === [mainErr55AssertViolationMEMORY_FREE, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr58AssertViolationMEMORY_FREE, mainErr3RequiresViolation, mainErr60EnsuresViolationMEMORY_LEAK, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr54AssertViolationMEMORY_FREE, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr59AssertViolationMEMORY_FREE, mainErr36RequiresViolation, mainErr51AssertViolationMEMORY_FREE, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr50AssertViolationMEMORY_FREE, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-04-10 14:07:00,869 INFO L82 PathProgramCache]: Analyzing trace with hash -939209175, now seen corresponding path program 1 times [2018-04-10 14:07:00,869 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-10 14:07:00,869 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-10 14:07:00,870 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-10 14:07:00,870 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-10 14:07:00,870 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-10 14:07:00,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 14:07:00,880 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-10 14:07:01,084 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 14:07:01,084 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-04-10 14:07:01,084 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 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-04-10 14:07:01,093 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-10 14:07:01,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 14:07:01,127 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-10 14:07:01,141 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-04-10 14:07:01,142 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-10 14:07:01,150 INFO L700 Elim1Store]: detected not equals via solver [2018-04-10 14:07:01,151 INFO L700 Elim1Store]: detected not equals via solver [2018-04-10 14:07:01,152 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 4 [2018-04-10 14:07:01,152 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-10 14:07:01,156 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-10 14:07:01,157 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:26, output treesize:19 [2018-04-10 14:07:01,163 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-04-10 14:07:01,165 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 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 8 treesize of output 7 [2018-04-10 14:07:01,165 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-10 14:07:01,166 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-10 14:07:01,174 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-04-10 14:07:01,175 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 14:07:01,175 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-10 14:07:01,177 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-10 14:07:01,195 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 14:07:01,196 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:38, output treesize:31 [2018-04-10 14:07:01,225 INFO L700 Elim1Store]: detected not equals via solver [2018-04-10 14:07:01,227 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 60 treesize of output 64 [2018-04-10 14:07:01,229 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 14 treesize of output 13 [2018-04-10 14:07:01,229 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-10 14:07:01,234 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-10 14:07:01,244 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 30 [2018-04-10 14:07:01,246 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 14 treesize of output 13 [2018-04-10 14:07:01,246 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-10 14:07:01,249 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-10 14:07:01,255 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-10 14:07:01,255 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:73, output treesize:57 [2018-04-10 14:07:01,315 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 82 treesize of output 72 [2018-04-10 14:07:01,322 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 20 treesize of output 31 [2018-04-10 14:07:01,322 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 2 xjuncts. [2018-04-10 14:07:01,334 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-10 14:07:01,356 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 60 [2018-04-10 14:07:01,358 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 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 20 treesize of output 17 [2018-04-10 14:07:01,358 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-10 14:07:01,364 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-10 14:07:01,367 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 81 treesize of output 68 [2018-04-10 14:07:01,373 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 20 treesize of output 31 [2018-04-10 14:07:01,373 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 2 xjuncts. [2018-04-10 14:07:01,384 INFO L267 ElimStorePlain]: Start of recursive call 6: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-10 14:07:01,403 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: 3 dim-0 vars, and 2 xjuncts. [2018-04-10 14:07:01,404 INFO L202 ElimStorePlain]: Needed 7 recursive calls to eliminate 4 variables, input treesize:89, output treesize:121 [2018-04-10 14:07:01,494 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 33 [2018-04-10 14:07:01,496 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 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 28 treesize of output 17 [2018-04-10 14:07:01,497 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-10 14:07:01,510 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 5 treesize of output 1 [2018-04-10 14:07:01,511 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-04-10 14:07:01,515 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-10 14:07:01,524 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 20 [2018-04-10 14:07:01,525 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 14:07:01,526 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-04-10 14:07:01,530 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 5 treesize of output 1 [2018-04-10 14:07:01,530 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-04-10 14:07:01,531 INFO L267 ElimStorePlain]: Start of recursive call 5: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-10 14:07:01,535 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-10 14:07:01,535 INFO L202 ElimStorePlain]: Needed 7 recursive calls to eliminate 5 variables, input treesize:61, output treesize:9 [2018-04-10 14:07:01,559 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 14:07:01,577 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-10 14:07:01,577 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 13] total 19 [2018-04-10 14:07:01,577 INFO L442 AbstractCegarLoop]: Interpolant automaton has 20 states [2018-04-10 14:07:01,577 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2018-04-10 14:07:01,577 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=319, Unknown=0, NotChecked=0, Total=380 [2018-04-10 14:07:01,578 INFO L87 Difference]: Start difference. First operand 179 states and 189 transitions. Second operand 20 states. [2018-04-10 14:07:02,335 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 14:07:02,335 INFO L93 Difference]: Finished difference Result 234 states and 246 transitions. [2018-04-10 14:07:02,335 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2018-04-10 14:07:02,335 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 56 [2018-04-10 14:07:02,336 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 14:07:02,336 INFO L225 Difference]: With dead ends: 234 [2018-04-10 14:07:02,336 INFO L226 Difference]: Without dead ends: 234 [2018-04-10 14:07:02,337 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 46 SyntacticMatches, 5 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 208 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=188, Invalid=868, Unknown=0, NotChecked=0, Total=1056 [2018-04-10 14:07:02,337 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 234 states. [2018-04-10 14:07:02,339 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 234 to 182. [2018-04-10 14:07:02,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 182 states. [2018-04-10 14:07:02,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 182 states and 192 transitions. [2018-04-10 14:07:02,340 INFO L78 Accepts]: Start accepts. Automaton has 182 states and 192 transitions. Word has length 56 [2018-04-10 14:07:02,340 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 14:07:02,340 INFO L459 AbstractCegarLoop]: Abstraction has 182 states and 192 transitions. [2018-04-10 14:07:02,340 INFO L460 AbstractCegarLoop]: Interpolant automaton has 20 states. [2018-04-10 14:07:02,340 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 192 transitions. [2018-04-10 14:07:02,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2018-04-10 14:07:02,341 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 14:07:02,341 INFO L355 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-10 14:07:02,341 INFO L408 AbstractCegarLoop]: === Iteration 21 === [mainErr55AssertViolationMEMORY_FREE, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr58AssertViolationMEMORY_FREE, mainErr3RequiresViolation, mainErr60EnsuresViolationMEMORY_LEAK, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr54AssertViolationMEMORY_FREE, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr59AssertViolationMEMORY_FREE, mainErr36RequiresViolation, mainErr51AssertViolationMEMORY_FREE, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr50AssertViolationMEMORY_FREE, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-04-10 14:07:02,341 INFO L82 PathProgramCache]: Analyzing trace with hash -1535092466, now seen corresponding path program 2 times [2018-04-10 14:07:02,341 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-10 14:07:02,341 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-10 14:07:02,342 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-10 14:07:02,342 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-10 14:07:02,342 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-10 14:07:02,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 14:07:02,354 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-10 14:07:02,666 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 2 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 14:07:02,666 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-04-10 14:07:02,666 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 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-04-10 14:07:02,672 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST1 [2018-04-10 14:07:02,690 INFO L242 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2018-04-10 14:07:02,690 INFO L243 tOrderPrioritization]: Conjunction of SSA is unsat [2018-04-10 14:07:02,693 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-10 14:07:02,744 INFO L700 Elim1Store]: detected not equals via solver [2018-04-10 14:07:02,745 INFO L700 Elim1Store]: detected not equals via solver [2018-04-10 14:07:02,745 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 4 [2018-04-10 14:07:02,745 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-10 14:07:02,748 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-10 14:07:02,748 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:20, output treesize:14 [2018-04-10 14:07:02,764 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 14:07:02,765 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 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 8 treesize of output 7 [2018-04-10 14:07:02,766 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-10 14:07:02,767 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-10 14:07:02,770 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-10 14:07:02,770 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:25, output treesize:18 [2018-04-10 14:07:02,802 INFO L700 Elim1Store]: detected not equals via solver [2018-04-10 14:07:02,805 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 34 [2018-04-10 14:07:02,806 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 14 treesize of output 13 [2018-04-10 14:07:02,807 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-10 14:07:02,810 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-10 14:07:02,825 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-10 14:07:02,825 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:39, output treesize:31 [2018-04-10 14:07:02,914 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 48 [2018-04-10 14:07:02,916 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 16 treesize of output 15 [2018-04-10 14:07:02,917 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-10 14:07:02,921 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-10 14:07:02,929 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 60 treesize of output 50 [2018-04-10 14:07:02,936 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 24 treesize of output 39 [2018-04-10 14:07:02,936 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 2 xjuncts. [2018-04-10 14:07:02,945 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-10 14:07:02,956 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-04-10 14:07:02,956 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:71, output treesize:98 [2018-04-10 14:07:03,078 INFO L682 Elim1Store]: detected equality via solver [2018-04-10 14:07:03,080 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 69 treesize of output 63 [2018-04-10 14:07:03,081 INFO L682 Elim1Store]: detected equality via solver [2018-04-10 14:07:03,081 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 15 [2018-04-10 14:07:03,082 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-10 14:07:03,089 INFO L682 Elim1Store]: detected equality via solver [2018-04-10 14:07:03,089 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 30 [2018-04-10 14:07:03,089 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-10 14:07:03,095 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-10 14:07:03,103 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 19 [2018-04-10 14:07:03,104 INFO L682 Elim1Store]: detected equality via solver [2018-04-10 14:07:03,105 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 14 [2018-04-10 14:07:03,105 INFO L267 ElimStorePlain]: Start of recursive call 6: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-10 14:07:03,110 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 14:07:03,110 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-04-10 14:07:03,111 INFO L267 ElimStorePlain]: Start of recursive call 5: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-10 14:07:03,115 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 14:07:03,115 INFO L202 ElimStorePlain]: Needed 7 recursive calls to eliminate 4 variables, input treesize:75, output treesize:7 [2018-04-10 14:07:03,142 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 2 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 14:07:03,169 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-10 14:07:03,169 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 18] total 32 [2018-04-10 14:07:03,169 INFO L442 AbstractCegarLoop]: Interpolant automaton has 32 states [2018-04-10 14:07:03,170 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2018-04-10 14:07:03,170 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=94, Invalid=898, Unknown=0, NotChecked=0, Total=992 [2018-04-10 14:07:03,170 INFO L87 Difference]: Start difference. First operand 182 states and 192 transitions. Second operand 32 states. [2018-04-10 14:07:04,095 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 14:07:04,095 INFO L93 Difference]: Finished difference Result 242 states and 254 transitions. [2018-04-10 14:07:04,095 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2018-04-10 14:07:04,095 INFO L78 Accepts]: Start accepts. Automaton has 32 states. Word has length 62 [2018-04-10 14:07:04,095 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 14:07:04,096 INFO L225 Difference]: With dead ends: 242 [2018-04-10 14:07:04,096 INFO L226 Difference]: Without dead ends: 242 [2018-04-10 14:07:04,096 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 105 GetRequests, 49 SyntacticMatches, 2 SemanticMatches, 54 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 728 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=456, Invalid=2623, Unknown=1, NotChecked=0, Total=3080 [2018-04-10 14:07:04,097 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 242 states. [2018-04-10 14:07:04,098 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 242 to 185. [2018-04-10 14:07:04,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 185 states. [2018-04-10 14:07:04,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 185 states and 195 transitions. [2018-04-10 14:07:04,098 INFO L78 Accepts]: Start accepts. Automaton has 185 states and 195 transitions. Word has length 62 [2018-04-10 14:07:04,099 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 14:07:04,099 INFO L459 AbstractCegarLoop]: Abstraction has 185 states and 195 transitions. [2018-04-10 14:07:04,099 INFO L460 AbstractCegarLoop]: Interpolant automaton has 32 states. [2018-04-10 14:07:04,099 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 195 transitions. [2018-04-10 14:07:04,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-04-10 14:07:04,099 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 14:07:04,099 INFO L355 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-10 14:07:04,099 INFO L408 AbstractCegarLoop]: === Iteration 22 === [mainErr55AssertViolationMEMORY_FREE, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr58AssertViolationMEMORY_FREE, mainErr3RequiresViolation, mainErr60EnsuresViolationMEMORY_LEAK, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr54AssertViolationMEMORY_FREE, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr59AssertViolationMEMORY_FREE, mainErr36RequiresViolation, mainErr51AssertViolationMEMORY_FREE, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr50AssertViolationMEMORY_FREE, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-04-10 14:07:04,099 INFO L82 PathProgramCache]: Analyzing trace with hash 318438322, now seen corresponding path program 1 times [2018-04-10 14:07:04,099 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-10 14:07:04,099 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-10 14:07:04,100 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-10 14:07:04,100 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-04-10 14:07:04,100 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-10 14:07:04,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 14:07:04,107 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-10 14:07:04,314 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 14:07:04,314 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-04-10 14:07:04,314 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 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-04-10 14:07:04,322 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-10 14:07:04,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 14:07:04,344 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-10 14:07:04,362 INFO L700 Elim1Store]: detected not equals via solver [2018-04-10 14:07:04,362 INFO L700 Elim1Store]: detected not equals via solver [2018-04-10 14:07:04,363 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 4 [2018-04-10 14:07:04,363 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-10 14:07:04,366 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-10 14:07:04,366 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:17, output treesize:11 [2018-04-10 14:07:04,370 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-04-10 14:07:04,371 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 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 8 treesize of output 7 [2018-04-10 14:07:04,371 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-10 14:07:04,373 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-10 14:07:04,376 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-10 14:07:04,376 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:22, output treesize:15 [2018-04-10 14:07:04,384 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 26 [2018-04-10 14:07:04,385 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 14 treesize of output 13 [2018-04-10 14:07:04,386 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-10 14:07:04,388 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-10 14:07:04,391 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-10 14:07:04,392 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:36, output treesize:28 [2018-04-10 14:07:04,449 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 68 treesize of output 58 [2018-04-10 14:07:04,456 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 24 treesize of output 39 [2018-04-10 14:07:04,457 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 2 xjuncts. [2018-04-10 14:07:04,468 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-10 14:07:04,480 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 60 treesize of output 53 [2018-04-10 14:07:04,481 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 16 treesize of output 15 [2018-04-10 14:07:04,482 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-10 14:07:04,485 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-10 14:07:04,488 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 56 treesize of output 49 [2018-04-10 14:07:04,489 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 16 treesize of output 15 [2018-04-10 14:07:04,489 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-04-10 14:07:04,493 INFO L267 ElimStorePlain]: Start of recursive call 6: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-10 14:07:04,505 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-04-10 14:07:04,505 INFO L202 ElimStorePlain]: Needed 7 recursive calls to eliminate 3 variables, input treesize:68, output treesize:92 [2018-04-10 14:07:04,591 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 69 treesize of output 56 [2018-04-10 14:07:04,593 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 19 treesize of output 3 [2018-04-10 14:07:04,593 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-10 14:07:04,598 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 27 [2018-04-10 14:07:04,598 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-10 14:07:04,602 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-10 14:07:04,607 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 19 [2018-04-10 14:07:04,608 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2018-04-10 14:07:04,609 INFO L267 ElimStorePlain]: Start of recursive call 6: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-10 14:07:04,612 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 14:07:04,612 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-04-10 14:07:04,613 INFO L267 ElimStorePlain]: Start of recursive call 5: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-10 14:07:04,615 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 14:07:04,615 INFO L202 ElimStorePlain]: Needed 7 recursive calls to eliminate 4 variables, input treesize:69, output treesize:7 [2018-04-10 14:07:04,638 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 14:07:04,656 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-10 14:07:04,656 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 16] total 25 [2018-04-10 14:07:04,656 INFO L442 AbstractCegarLoop]: Interpolant automaton has 25 states [2018-04-10 14:07:04,656 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2018-04-10 14:07:04,657 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=62, Invalid=537, Unknown=1, NotChecked=0, Total=600 [2018-04-10 14:07:04,657 INFO L87 Difference]: Start difference. First operand 185 states and 195 transitions. Second operand 25 states. [2018-04-10 14:07:05,486 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 14:07:05,487 INFO L93 Difference]: Finished difference Result 223 states and 232 transitions. [2018-04-10 14:07:05,487 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2018-04-10 14:07:05,487 INFO L78 Accepts]: Start accepts. Automaton has 25 states. Word has length 64 [2018-04-10 14:07:05,487 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 14:07:05,488 INFO L225 Difference]: With dead ends: 223 [2018-04-10 14:07:05,488 INFO L226 Difference]: Without dead ends: 219 [2018-04-10 14:07:05,488 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 101 GetRequests, 52 SyntacticMatches, 7 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 455 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=236, Invalid=1654, Unknown=2, NotChecked=0, Total=1892 [2018-04-10 14:07:05,488 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 219 states. [2018-04-10 14:07:05,490 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 219 to 184. [2018-04-10 14:07:05,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 184 states. [2018-04-10 14:07:05,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 184 states and 193 transitions. [2018-04-10 14:07:05,490 INFO L78 Accepts]: Start accepts. Automaton has 184 states and 193 transitions. Word has length 64 [2018-04-10 14:07:05,490 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 14:07:05,491 INFO L459 AbstractCegarLoop]: Abstraction has 184 states and 193 transitions. [2018-04-10 14:07:05,491 INFO L460 AbstractCegarLoop]: Interpolant automaton has 25 states. [2018-04-10 14:07:05,491 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 193 transitions. [2018-04-10 14:07:05,491 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2018-04-10 14:07:05,491 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 14:07:05,491 INFO L355 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:07:05,491 INFO L408 AbstractCegarLoop]: === Iteration 23 === [mainErr55AssertViolationMEMORY_FREE, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr58AssertViolationMEMORY_FREE, mainErr3RequiresViolation, mainErr60EnsuresViolationMEMORY_LEAK, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr54AssertViolationMEMORY_FREE, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr59AssertViolationMEMORY_FREE, mainErr36RequiresViolation, mainErr51AssertViolationMEMORY_FREE, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr50AssertViolationMEMORY_FREE, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-04-10 14:07:05,491 INFO L82 PathProgramCache]: Analyzing trace with hash -690075159, now seen corresponding path program 1 times [2018-04-10 14:07:05,491 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-10 14:07:05,491 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-10 14:07:05,492 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-10 14:07:05,492 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-10 14:07:05,492 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-10 14:07:05,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 14:07:05,505 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-10 14:07:05,782 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 14:07:05,782 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-04-10 14:07:05,782 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 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-04-10 14:07:05,788 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-10 14:07:05,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 14:07:05,811 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-10 14:07:05,817 INFO L700 Elim1Store]: detected not equals via solver [2018-04-10 14:07:05,818 INFO L700 Elim1Store]: detected not equals via solver [2018-04-10 14:07:05,818 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 4 [2018-04-10 14:07:05,818 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-10 14:07:05,821 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-10 14:07:05,822 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:17, output treesize:11 [2018-04-10 14:07:05,827 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-04-10 14:07:05,828 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 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 8 treesize of output 7 [2018-04-10 14:07:05,828 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-10 14:07:05,829 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-10 14:07:05,834 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-10 14:07:05,834 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:27, output treesize:20 [2018-04-10 14:07:05,858 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 26 [2018-04-10 14:07:05,859 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 14 treesize of output 13 [2018-04-10 14:07:05,859 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-10 14:07:05,862 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-10 14:07:05,869 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-10 14:07:05,869 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:41, output treesize:33 [2018-04-10 14:07:05,931 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 35 [2018-04-10 14:07:05,937 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 16 treesize of output 23 [2018-04-10 14:07:05,937 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 2 xjuncts. [2018-04-10 14:07:05,946 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-10 14:07:05,958 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-04-10 14:07:05,958 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:50, output treesize:76 [2018-04-10 14:07:05,989 INFO L700 Elim1Store]: detected not equals via solver [2018-04-10 14:07:05,990 INFO L700 Elim1Store]: detected not equals via solver [2018-04-10 14:07:05,990 INFO L700 Elim1Store]: detected not equals via solver [2018-04-10 14:07:05,990 INFO L700 Elim1Store]: detected not equals via solver [2018-04-10 14:07:05,991 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 13 [2018-04-10 14:07:05,991 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-10 14:07:05,995 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-10 14:07:05,995 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:38, output treesize:31 [2018-04-10 14:07:06,013 INFO L700 Elim1Store]: detected not equals via solver [2018-04-10 14:07:06,015 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 33 [2018-04-10 14:07:06,017 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 7 [2018-04-10 14:07:06,017 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-10 14:07:06,022 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-10 14:07:06,034 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-10 14:07:06,034 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:47, output treesize:37 [2018-04-10 14:07:06,094 INFO L700 Elim1Store]: detected not equals via solver [2018-04-10 14:07:06,100 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 53 treesize of output 53 [2018-04-10 14:07:06,102 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 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 14 treesize of output 13 [2018-04-10 14:07:06,102 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-10 14:07:06,110 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-10 14:07:06,116 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-10 14:07:06,116 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:58, output treesize:50 [2018-04-10 14:07:06,199 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 94 treesize of output 71 [2018-04-10 14:07:06,209 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 28 treesize of output 43 [2018-04-10 14:07:06,210 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 2 xjuncts. [2018-04-10 14:07:06,222 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-10 14:07:06,256 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: 5 dim-0 vars, and 2 xjuncts. [2018-04-10 14:07:06,256 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:94, output treesize:144 [2018-04-10 14:07:06,351 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 68 treesize of output 43 [2018-04-10 14:07:06,353 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 5 treesize of output 1 [2018-04-10 14:07:06,353 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-10 14:07:06,359 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 16 [2018-04-10 14:07:06,359 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-04-10 14:07:06,364 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2018-04-10 14:07:06,364 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-10 14:07:06,366 INFO L267 ElimStorePlain]: Start of recursive call 2: 3 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-10 14:07:06,368 INFO L267 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-10 14:07:06,368 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 5 variables, input treesize:68, output treesize:5 [2018-04-10 14:07:06,381 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 14:07:06,399 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-10 14:07:06,399 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 20] total 31 [2018-04-10 14:07:06,399 INFO L442 AbstractCegarLoop]: Interpolant automaton has 32 states [2018-04-10 14:07:06,399 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2018-04-10 14:07:06,400 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=123, Invalid=869, Unknown=0, NotChecked=0, Total=992 [2018-04-10 14:07:06,400 INFO L87 Difference]: Start difference. First operand 184 states and 193 transitions. Second operand 32 states. [2018-04-10 14:07:07,476 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 14:07:07,476 INFO L93 Difference]: Finished difference Result 300 states and 313 transitions. [2018-04-10 14:07:07,476 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2018-04-10 14:07:07,477 INFO L78 Accepts]: Start accepts. Automaton has 32 states. Word has length 65 [2018-04-10 14:07:07,477 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 14:07:07,477 INFO L225 Difference]: With dead ends: 300 [2018-04-10 14:07:07,478 INFO L226 Difference]: Without dead ends: 300 [2018-04-10 14:07:07,479 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 110 GetRequests, 49 SyntacticMatches, 5 SemanticMatches, 56 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 896 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=485, Invalid=2821, Unknown=0, NotChecked=0, Total=3306 [2018-04-10 14:07:07,479 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 300 states. [2018-04-10 14:07:07,481 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 300 to 225. [2018-04-10 14:07:07,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 225 states. [2018-04-10 14:07:07,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225 states to 225 states and 237 transitions. [2018-04-10 14:07:07,482 INFO L78 Accepts]: Start accepts. Automaton has 225 states and 237 transitions. Word has length 65 [2018-04-10 14:07:07,482 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 14:07:07,482 INFO L459 AbstractCegarLoop]: Abstraction has 225 states and 237 transitions. [2018-04-10 14:07:07,482 INFO L460 AbstractCegarLoop]: Interpolant automaton has 32 states. [2018-04-10 14:07:07,482 INFO L276 IsEmpty]: Start isEmpty. Operand 225 states and 237 transitions. [2018-04-10 14:07:07,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2018-04-10 14:07:07,483 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 14:07:07,483 INFO L355 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:07:07,483 INFO L408 AbstractCegarLoop]: === Iteration 24 === [mainErr55AssertViolationMEMORY_FREE, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr58AssertViolationMEMORY_FREE, mainErr3RequiresViolation, mainErr60EnsuresViolationMEMORY_LEAK, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr54AssertViolationMEMORY_FREE, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr59AssertViolationMEMORY_FREE, mainErr36RequiresViolation, mainErr51AssertViolationMEMORY_FREE, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr50AssertViolationMEMORY_FREE, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-04-10 14:07:07,483 INFO L82 PathProgramCache]: Analyzing trace with hash -690075158, now seen corresponding path program 1 times [2018-04-10 14:07:07,483 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-10 14:07:07,483 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-10 14:07:07,484 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-10 14:07:07,484 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-10 14:07:07,485 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-10 14:07:07,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 14:07:07,497 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-10 14:07:07,847 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 14:07:07,847 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-04-10 14:07:07,847 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 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-04-10 14:07:07,852 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-10 14:07:07,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 14:07:07,870 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-10 14:07:07,875 INFO L700 Elim1Store]: detected not equals via solver [2018-04-10 14:07:07,875 INFO L700 Elim1Store]: detected not equals via solver [2018-04-10 14:07:07,876 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 4 [2018-04-10 14:07:07,876 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-10 14:07:07,879 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-10 14:07:07,879 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:20, output treesize:14 [2018-04-10 14:07:07,899 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-04-10 14:07:07,900 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 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 8 treesize of output 7 [2018-04-10 14:07:07,901 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-10 14:07:07,902 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-10 14:07:07,911 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-04-10 14:07:07,912 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 14:07:07,912 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-10 14:07:07,913 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-10 14:07:07,919 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 14:07:07,919 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:38, output treesize:27 [2018-04-10 14:07:07,957 INFO L700 Elim1Store]: detected not equals via solver [2018-04-10 14:07:07,960 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 30 [2018-04-10 14:07:07,961 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 14 treesize of output 13 [2018-04-10 14:07:07,961 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-10 14:07:07,964 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-10 14:07:07,973 INFO L700 Elim1Store]: detected not equals via solver [2018-04-10 14:07:07,975 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 47 [2018-04-10 14:07:07,976 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 14 treesize of output 13 [2018-04-10 14:07:07,977 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-10 14:07:07,980 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-10 14:07:07,986 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-10 14:07:07,987 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:69, output treesize:53 [2018-04-10 14:07:08,066 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 38 [2018-04-10 14:07:08,074 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 20 treesize of output 31 [2018-04-10 14:07:08,074 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 2 xjuncts. [2018-04-10 14:07:08,084 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-10 14:07:08,105 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 63 treesize of output 58 [2018-04-10 14:07:08,108 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 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 16 treesize of output 13 [2018-04-10 14:07:08,108 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-10 14:07:08,118 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-10 14:07:08,133 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 66 [2018-04-10 14:07:08,140 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 16 treesize of output 23 [2018-04-10 14:07:08,141 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 2 xjuncts. [2018-04-10 14:07:08,154 INFO L267 ElimStorePlain]: Start of recursive call 6: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-10 14:07:08,176 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-04-10 14:07:08,176 INFO L202 ElimStorePlain]: Needed 7 recursive calls to eliminate 3 variables, input treesize:84, output treesize:131 [2018-04-10 14:07:08,254 INFO L700 Elim1Store]: detected not equals via solver [2018-04-10 14:07:08,255 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 14 treesize of output 21 [2018-04-10 14:07:08,255 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-10 14:07:08,268 INFO L700 Elim1Store]: detected not equals via solver [2018-04-10 14:07:08,268 INFO L700 Elim1Store]: detected not equals via solver [2018-04-10 14:07:08,269 INFO L700 Elim1Store]: detected not equals via solver [2018-04-10 14:07:08,269 INFO L700 Elim1Store]: detected not equals via solver [2018-04-10 14:07:08,270 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 13 [2018-04-10 14:07:08,270 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-10 14:07:08,280 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-10 14:07:08,280 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:72, output treesize:68 [2018-04-10 14:07:08,314 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 36 [2018-04-10 14:07:08,316 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 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 18 treesize of output 11 [2018-04-10 14:07:08,317 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-10 14:07:08,320 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-10 14:07:08,341 INFO L700 Elim1Store]: detected not equals via solver [2018-04-10 14:07:08,343 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 56 treesize of output 55 [2018-04-10 14:07:08,345 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 7 [2018-04-10 14:07:08,345 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-10 14:07:08,351 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-10 14:07:08,359 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 14:07:08,359 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:90, output treesize:62 [2018-04-10 14:07:08,412 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 30 [2018-04-10 14:07:08,414 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 14 treesize of output 13 [2018-04-10 14:07:08,414 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-10 14:07:08,417 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-10 14:07:08,429 INFO L700 Elim1Store]: detected not equals via solver [2018-04-10 14:07:08,433 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 86 treesize of output 86 [2018-04-10 14:07:08,434 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 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 14 treesize of output 13 [2018-04-10 14:07:08,434 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-10 14:07:08,442 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-10 14:07:08,451 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-10 14:07:08,451 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:104, output treesize:88 [2018-04-10 14:07:08,563 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 153 treesize of output 114 [2018-04-10 14:07:08,571 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 28 treesize of output 43 [2018-04-10 14:07:08,571 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 2 xjuncts. [2018-04-10 14:07:08,593 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-10 14:07:08,634 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 148 treesize of output 127 [2018-04-10 14:07:08,642 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 24 treesize of output 39 [2018-04-10 14:07:08,643 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 2 xjuncts. [2018-04-10 14:07:08,660 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-10 14:07:08,664 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 132 treesize of output 111 [2018-04-10 14:07:08,667 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 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 24 treesize of output 21 [2018-04-10 14:07:08,667 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-04-10 14:07:08,678 INFO L267 ElimStorePlain]: Start of recursive call 6: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-10 14:07:08,715 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 2 dim-2 vars, End of recursive call: 5 dim-0 vars, and 2 xjuncts. [2018-04-10 14:07:08,716 INFO L202 ElimStorePlain]: Needed 7 recursive calls to eliminate 5 variables, input treesize:163, output treesize:241 [2018-04-10 14:07:08,836 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 98 treesize of output 61 [2018-04-10 14:07:08,838 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 5 treesize of output 1 [2018-04-10 14:07:08,838 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-10 14:07:08,847 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 18 [2018-04-10 14:07:08,847 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-04-10 14:07:08,863 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 21 [2018-04-10 14:07:08,864 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-10 14:07:08,870 INFO L267 ElimStorePlain]: Start of recursive call 2: 3 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-10 14:07:08,881 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 20 [2018-04-10 14:07:08,882 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 14:07:08,883 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-04-10 14:07:08,887 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 5 treesize of output 1 [2018-04-10 14:07:08,887 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2018-04-10 14:07:08,888 INFO L267 ElimStorePlain]: Start of recursive call 6: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-10 14:07:08,895 INFO L267 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 2 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-10 14:07:08,895 INFO L202 ElimStorePlain]: Needed 8 recursive calls to eliminate 6 variables, input treesize:115, output treesize:18 [2018-04-10 14:07:08,991 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 14:07:09,010 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-10 14:07:09,010 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 21] total 37 [2018-04-10 14:07:09,010 INFO L442 AbstractCegarLoop]: Interpolant automaton has 38 states [2018-04-10 14:07:09,010 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 38 interpolants. [2018-04-10 14:07:09,011 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=120, Invalid=1286, Unknown=0, NotChecked=0, Total=1406 [2018-04-10 14:07:09,011 INFO L87 Difference]: Start difference. First operand 225 states and 237 transitions. Second operand 38 states. [2018-04-10 14:07:11,229 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 14:07:11,229 INFO L93 Difference]: Finished difference Result 303 states and 317 transitions. [2018-04-10 14:07:11,259 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2018-04-10 14:07:11,259 INFO L78 Accepts]: Start accepts. Automaton has 38 states. Word has length 65 [2018-04-10 14:07:11,259 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 14:07:11,261 INFO L225 Difference]: With dead ends: 303 [2018-04-10 14:07:11,261 INFO L226 Difference]: Without dead ends: 303 [2018-04-10 14:07:11,262 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 113 GetRequests, 47 SyntacticMatches, 2 SemanticMatches, 64 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 969 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=488, Invalid=3802, Unknown=0, NotChecked=0, Total=4290 [2018-04-10 14:07:11,262 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 303 states. [2018-04-10 14:07:11,265 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 303 to 228. [2018-04-10 14:07:11,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 228 states. [2018-04-10 14:07:11,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 228 states and 240 transitions. [2018-04-10 14:07:11,265 INFO L78 Accepts]: Start accepts. Automaton has 228 states and 240 transitions. Word has length 65 [2018-04-10 14:07:11,265 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 14:07:11,265 INFO L459 AbstractCegarLoop]: Abstraction has 228 states and 240 transitions. [2018-04-10 14:07:11,265 INFO L460 AbstractCegarLoop]: Interpolant automaton has 38 states. [2018-04-10 14:07:11,265 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 240 transitions. [2018-04-10 14:07:11,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2018-04-10 14:07:11,266 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 14:07:11,266 INFO L355 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:07:11,266 INFO L408 AbstractCegarLoop]: === Iteration 25 === [mainErr55AssertViolationMEMORY_FREE, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr58AssertViolationMEMORY_FREE, mainErr3RequiresViolation, mainErr60EnsuresViolationMEMORY_LEAK, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr54AssertViolationMEMORY_FREE, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr59AssertViolationMEMORY_FREE, mainErr36RequiresViolation, mainErr51AssertViolationMEMORY_FREE, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr50AssertViolationMEMORY_FREE, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-04-10 14:07:11,266 INFO L82 PathProgramCache]: Analyzing trace with hash -1107791397, now seen corresponding path program 1 times [2018-04-10 14:07:11,266 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-10 14:07:11,266 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-10 14:07:11,267 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-10 14:07:11,267 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-10 14:07:11,267 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-10 14:07:11,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 14:07:11,275 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-10 14:07:11,438 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-04-10 14:07:11,438 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-04-10 14:07:11,438 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 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-04-10 14:07:11,446 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-10 14:07:11,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 14:07:11,465 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-10 14:07:11,501 INFO L700 Elim1Store]: detected not equals via solver [2018-04-10 14:07:11,501 INFO L700 Elim1Store]: detected not equals via solver [2018-04-10 14:07:11,502 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 4 [2018-04-10 14:07:11,502 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-10 14:07:11,506 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-10 14:07:11,506 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:24, output treesize:18 [2018-04-10 14:07:11,521 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 11 treesize of output 8 [2018-04-10 14:07:11,523 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 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 14:07:11,523 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-10 14:07:11,524 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-10 14:07:11,529 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-10 14:07:11,529 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:29, output treesize:26 [2018-04-10 14:07:11,571 INFO L700 Elim1Store]: detected not equals via solver [2018-04-10 14:07:11,573 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 42 [2018-04-10 14:07:11,574 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 14 treesize of output 13 [2018-04-10 14:07:11,575 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-10 14:07:11,579 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-10 14:07:11,585 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-10 14:07:11,586 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:47, output treesize:39 [2018-04-10 14:07:11,650 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 39 [2018-04-10 14:07:11,664 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 20 treesize of output 31 [2018-04-10 14:07:11,664 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 2 xjuncts. [2018-04-10 14:07:11,673 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-10 14:07:11,687 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 3 dim-0 vars, and 2 xjuncts. [2018-04-10 14:07:11,687 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:52, output treesize:76 [2018-04-10 14:07:11,754 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 23 [2018-04-10 14:07:11,756 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 9 [2018-04-10 14:07:11,756 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-10 14:07:11,761 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 5 treesize of output 1 [2018-04-10 14:07:11,761 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-04-10 14:07:11,764 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-10 14:07:11,768 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 14:07:11,768 INFO L202 ElimStorePlain]: Needed 4 recursive calls to eliminate 3 variables, input treesize:38, output treesize:8 [2018-04-10 14:07:11,853 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-04-10 14:07:11,883 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-10 14:07:11,884 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 15] total 26 [2018-04-10 14:07:11,884 INFO L442 AbstractCegarLoop]: Interpolant automaton has 26 states [2018-04-10 14:07:11,884 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2018-04-10 14:07:11,885 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=70, Invalid=580, Unknown=0, NotChecked=0, Total=650 [2018-04-10 14:07:11,885 INFO L87 Difference]: Start difference. First operand 228 states and 240 transitions. Second operand 26 states. [2018-04-10 14:07:13,134 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 14:07:13,134 INFO L93 Difference]: Finished difference Result 271 states and 283 transitions. [2018-04-10 14:07:13,134 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2018-04-10 14:07:13,134 INFO L78 Accepts]: Start accepts. Automaton has 26 states. Word has length 69 [2018-04-10 14:07:13,134 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 14:07:13,135 INFO L225 Difference]: With dead ends: 271 [2018-04-10 14:07:13,135 INFO L226 Difference]: Without dead ends: 271 [2018-04-10 14:07:13,135 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 103 GetRequests, 58 SyntacticMatches, 1 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 399 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=290, Invalid=1780, Unknown=0, NotChecked=0, Total=2070 [2018-04-10 14:07:13,135 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 271 states. [2018-04-10 14:07:13,137 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 271 to 240. [2018-04-10 14:07:13,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 240 states. [2018-04-10 14:07:13,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 240 states to 240 states and 251 transitions. [2018-04-10 14:07:13,137 INFO L78 Accepts]: Start accepts. Automaton has 240 states and 251 transitions. Word has length 69 [2018-04-10 14:07:13,137 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 14:07:13,137 INFO L459 AbstractCegarLoop]: Abstraction has 240 states and 251 transitions. [2018-04-10 14:07:13,138 INFO L460 AbstractCegarLoop]: Interpolant automaton has 26 states. [2018-04-10 14:07:13,138 INFO L276 IsEmpty]: Start isEmpty. Operand 240 states and 251 transitions. [2018-04-10 14:07:13,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2018-04-10 14:07:13,138 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 14:07:13,138 INFO L355 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:07:13,138 INFO L408 AbstractCegarLoop]: === Iteration 26 === [mainErr55AssertViolationMEMORY_FREE, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr58AssertViolationMEMORY_FREE, mainErr3RequiresViolation, mainErr60EnsuresViolationMEMORY_LEAK, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr54AssertViolationMEMORY_FREE, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr59AssertViolationMEMORY_FREE, mainErr36RequiresViolation, mainErr51AssertViolationMEMORY_FREE, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr50AssertViolationMEMORY_FREE, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-04-10 14:07:13,138 INFO L82 PathProgramCache]: Analyzing trace with hash -324780017, now seen corresponding path program 2 times [2018-04-10 14:07:13,138 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-10 14:07:13,138 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-10 14:07:13,139 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-10 14:07:13,139 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-10 14:07:13,139 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-10 14:07:13,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 14:07:13,151 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-10 14:07:13,483 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 14:07:13,484 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-04-10 14:07:13,484 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 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-04-10 14:07:13,495 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST1 [2018-04-10 14:07:13,526 INFO L242 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2018-04-10 14:07:13,526 INFO L243 tOrderPrioritization]: Conjunction of SSA is unsat [2018-04-10 14:07:13,530 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-10 14:07:13,610 INFO L700 Elim1Store]: detected not equals via solver [2018-04-10 14:07:13,611 INFO L700 Elim1Store]: detected not equals via solver [2018-04-10 14:07:13,611 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 4 [2018-04-10 14:07:13,612 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-10 14:07:13,616 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-10 14:07:13,616 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:20, output treesize:14 [2018-04-10 14:07:13,642 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 14:07:13,644 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 14:07:13,645 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-10 14:07:13,646 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-10 14:07:13,658 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 14:07:13,661 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 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 8 treesize of output 7 [2018-04-10 14:07:13,662 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-10 14:07:13,663 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-10 14:07:13,672 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 14:07:13,673 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:41, output treesize:23 [2018-04-10 14:07:13,739 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 14 [2018-04-10 14:07:13,741 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 14 treesize of output 13 [2018-04-10 14:07:13,741 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-10 14:07:13,743 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-10 14:07:13,756 INFO L700 Elim1Store]: detected not equals via solver [2018-04-10 14:07:13,759 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 47 [2018-04-10 14:07:13,762 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 14 treesize of output 13 [2018-04-10 14:07:13,762 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-10 14:07:13,768 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-10 14:07:13,778 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-10 14:07:13,778 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:65, output treesize:49 [2018-04-10 14:07:13,927 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 53 treesize of output 48 [2018-04-10 14:07:13,938 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 16 treesize of output 31 [2018-04-10 14:07:13,938 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 2 xjuncts. [2018-04-10 14:07:13,955 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-10 14:07:13,994 INFO L682 Elim1Store]: detected equality via solver [2018-04-10 14:07:13,995 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 67 treesize of output 71 [2018-04-10 14:07:13,997 INFO L682 Elim1Store]: detected equality via solver [2018-04-10 14:07:13,998 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 24 [2018-04-10 14:07:13,998 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-10 14:07:14,006 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-10 14:07:14,011 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 67 treesize of output 78 [2018-04-10 14:07:14,014 INFO L682 Elim1Store]: detected equality via solver [2018-04-10 14:07:14,014 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 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 20 treesize of output 38 [2018-04-10 14:07:14,014 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-04-10 14:07:14,023 INFO L267 ElimStorePlain]: Start of recursive call 6: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-10 14:07:14,044 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-04-10 14:07:14,045 INFO L202 ElimStorePlain]: Needed 7 recursive calls to eliminate 3 variables, input treesize:84, output treesize:165 [2018-04-10 14:07:14,104 INFO L700 Elim1Store]: detected not equals via solver [2018-04-10 14:07:14,105 INFO L700 Elim1Store]: detected not equals via solver [2018-04-10 14:07:14,106 INFO L700 Elim1Store]: detected not equals via solver [2018-04-10 14:07:14,106 INFO L700 Elim1Store]: detected not equals via solver [2018-04-10 14:07:14,107 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 42 [2018-04-10 14:07:14,107 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-10 14:07:14,120 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-10 14:07:14,120 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:73, output treesize:79 [2018-04-10 14:07:14,180 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 55 [2018-04-10 14:07:14,182 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 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 22 treesize of output 23 [2018-04-10 14:07:14,183 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-10 14:07:14,188 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-10 14:07:14,204 INFO L700 Elim1Store]: detected not equals via solver [2018-04-10 14:07:14,207 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 62 treesize of output 61 [2018-04-10 14:07:14,210 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 19 [2018-04-10 14:07:14,210 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-10 14:07:14,217 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-10 14:07:14,235 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 14:07:14,235 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:101, output treesize:77 [2018-04-10 14:07:14,330 INFO L700 Elim1Store]: detected not equals via solver [2018-04-10 14:07:14,331 INFO L700 Elim1Store]: detected not equals via solver [2018-04-10 14:07:14,332 INFO L700 Elim1Store]: detected not equals via solver [2018-04-10 14:07:14,336 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 104 treesize of output 120 [2018-04-10 14:07:14,338 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 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 14 treesize of output 13 [2018-04-10 14:07:14,338 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-10 14:07:14,349 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-10 14:07:14,363 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 43 [2018-04-10 14:07:14,364 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 14 treesize of output 13 [2018-04-10 14:07:14,364 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-10 14:07:14,368 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-10 14:07:14,379 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-10 14:07:14,379 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:119, output treesize:95 [2018-04-10 14:07:14,516 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 174 treesize of output 148 [2018-04-10 14:07:14,523 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 32 treesize of output 51 [2018-04-10 14:07:14,523 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 2 xjuncts. [2018-04-10 14:07:14,538 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-10 14:07:14,571 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 155 treesize of output 116 [2018-04-10 14:07:14,573 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 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 32 treesize of output 25 [2018-04-10 14:07:14,573 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-10 14:07:14,583 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-10 14:07:14,590 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 175 treesize of output 132 [2018-04-10 14:07:14,606 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 32 treesize of output 51 [2018-04-10 14:07:14,607 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 2 xjuncts. [2018-04-10 14:07:14,620 INFO L267 ElimStorePlain]: Start of recursive call 6: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-10 14:07:14,649 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: 3 dim-0 vars, and 2 xjuncts. [2018-04-10 14:07:14,649 INFO L202 ElimStorePlain]: Needed 7 recursive calls to eliminate 4 variables, input treesize:199, output treesize:285 [2018-04-10 14:07:14,787 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 99 treesize of output 88 [2018-04-10 14:07:14,789 INFO L682 Elim1Store]: detected equality via solver [2018-04-10 14:07:14,790 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 70 treesize of output 60 [2018-04-10 14:07:14,790 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-10 14:07:14,800 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 5 treesize of output 1 [2018-04-10 14:07:14,800 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-04-10 14:07:14,808 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-10 14:07:14,819 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: 3 dim-0 vars, and 1 xjuncts. [2018-04-10 14:07:14,820 INFO L202 ElimStorePlain]: Needed 4 recursive calls to eliminate 4 variables, input treesize:134, output treesize:92 [2018-04-10 14:07:14,901 INFO L700 Elim1Store]: detected not equals via solver [2018-04-10 14:07:14,902 INFO L700 Elim1Store]: detected not equals via solver [2018-04-10 14:07:14,902 INFO L682 Elim1Store]: detected equality via solver [2018-04-10 14:07:14,906 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 85 treesize of output 76 [2018-04-10 14:07:14,907 INFO L682 Elim1Store]: detected equality via solver [2018-04-10 14:07:14,908 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 19 [2018-04-10 14:07:14,908 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-10 14:07:14,916 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 5 treesize of output 1 [2018-04-10 14:07:14,916 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-04-10 14:07:14,921 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 14 [2018-04-10 14:07:14,922 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-10 14:07:14,925 INFO L267 ElimStorePlain]: Start of recursive call 2: 3 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-10 14:07:14,932 INFO L267 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-04-10 14:07:14,932 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 5 variables, input treesize:96, output treesize:28 [2018-04-10 14:07:15,035 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 14:07:15,063 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-10 14:07:15,064 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 24] total 43 [2018-04-10 14:07:15,064 INFO L442 AbstractCegarLoop]: Interpolant automaton has 44 states [2018-04-10 14:07:15,064 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 44 interpolants. [2018-04-10 14:07:15,065 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=219, Invalid=1673, Unknown=0, NotChecked=0, Total=1892 [2018-04-10 14:07:15,065 INFO L87 Difference]: Start difference. First operand 240 states and 251 transitions. Second operand 44 states. [2018-04-10 14:07:17,174 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 14:07:17,174 INFO L93 Difference]: Finished difference Result 307 states and 321 transitions. [2018-04-10 14:07:17,174 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2018-04-10 14:07:17,174 INFO L78 Accepts]: Start accepts. Automaton has 44 states. Word has length 71 [2018-04-10 14:07:17,174 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 14:07:17,175 INFO L225 Difference]: With dead ends: 307 [2018-04-10 14:07:17,175 INFO L226 Difference]: Without dead ends: 307 [2018-04-10 14:07:17,177 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 130 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 79 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1792 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=923, Invalid=5557, Unknown=0, NotChecked=0, Total=6480 [2018-04-10 14:07:17,177 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 307 states. [2018-04-10 14:07:17,180 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 307 to 244. [2018-04-10 14:07:17,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 244 states. [2018-04-10 14:07:17,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 244 states and 257 transitions. [2018-04-10 14:07:17,180 INFO L78 Accepts]: Start accepts. Automaton has 244 states and 257 transitions. Word has length 71 [2018-04-10 14:07:17,181 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 14:07:17,181 INFO L459 AbstractCegarLoop]: Abstraction has 244 states and 257 transitions. [2018-04-10 14:07:17,181 INFO L460 AbstractCegarLoop]: Interpolant automaton has 44 states. [2018-04-10 14:07:17,181 INFO L276 IsEmpty]: Start isEmpty. Operand 244 states and 257 transitions. [2018-04-10 14:07:17,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2018-04-10 14:07:17,182 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 14:07:17,182 INFO L355 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:07:17,182 INFO L408 AbstractCegarLoop]: === Iteration 27 === [mainErr55AssertViolationMEMORY_FREE, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr58AssertViolationMEMORY_FREE, mainErr3RequiresViolation, mainErr60EnsuresViolationMEMORY_LEAK, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr54AssertViolationMEMORY_FREE, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr59AssertViolationMEMORY_FREE, mainErr36RequiresViolation, mainErr51AssertViolationMEMORY_FREE, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr50AssertViolationMEMORY_FREE, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-04-10 14:07:17,182 INFO L82 PathProgramCache]: Analyzing trace with hash -324780016, now seen corresponding path program 2 times [2018-04-10 14:07:17,182 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-10 14:07:17,182 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-10 14:07:17,183 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-10 14:07:17,183 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-04-10 14:07:17,183 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-10 14:07:17,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 14:07:17,196 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-10 14:07:17,539 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 14:07:17,539 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-04-10 14:07:17,539 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 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-04-10 14:07:17,550 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST1 [2018-04-10 14:07:17,570 INFO L242 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2018-04-10 14:07:17,571 INFO L243 tOrderPrioritization]: Conjunction of SSA is unsat [2018-04-10 14:07:17,573 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-10 14:07:17,635 INFO L700 Elim1Store]: detected not equals via solver [2018-04-10 14:07:17,636 INFO L700 Elim1Store]: detected not equals via solver [2018-04-10 14:07:17,636 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 21 [2018-04-10 14:07:17,636 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-10 14:07:17,641 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-10 14:07:17,641 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:26, output treesize:24 [2018-04-10 14:07:17,662 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 14:07:17,663 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-04-10 14:07:17,663 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-10 14:07:17,664 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-10 14:07:17,680 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 14:07:17,683 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 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 8 treesize of output 7 [2018-04-10 14:07:17,684 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-10 14:07:17,685 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-10 14:07:17,692 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 14:07:17,692 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:46, output treesize:32 [2018-04-10 14:07:17,740 INFO L700 Elim1Store]: detected not equals via solver [2018-04-10 14:07:17,743 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 60 treesize of output 64 [2018-04-10 14:07:17,744 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 14 treesize of output 13 [2018-04-10 14:07:17,745 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-10 14:07:17,750 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-10 14:07:17,759 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 14 [2018-04-10 14:07:17,760 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 14 treesize of output 13 [2018-04-10 14:07:17,760 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-10 14:07:17,762 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-10 14:07:17,769 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-10 14:07:17,769 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:74, output treesize:58 [2018-04-10 14:07:17,871 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 62 treesize of output 53 [2018-04-10 14:07:17,878 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 16 treesize of output 31 [2018-04-10 14:07:17,878 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 2 xjuncts. [2018-04-10 14:07:17,889 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-10 14:07:17,913 INFO L682 Elim1Store]: detected equality via solver [2018-04-10 14:07:17,915 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 76 treesize of output 80 [2018-04-10 14:07:17,916 INFO L682 Elim1Store]: detected equality via solver [2018-04-10 14:07:17,917 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 24 [2018-04-10 14:07:17,917 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-10 14:07:17,925 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-10 14:07:17,929 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 76 treesize of output 87 [2018-04-10 14:07:17,931 INFO L682 Elim1Store]: detected equality via solver [2018-04-10 14:07:17,932 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 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 20 treesize of output 38 [2018-04-10 14:07:17,932 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-04-10 14:07:17,941 INFO L267 ElimStorePlain]: Start of recursive call 6: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-10 14:07:17,961 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-04-10 14:07:17,961 INFO L202 ElimStorePlain]: Needed 7 recursive calls to eliminate 3 variables, input treesize:88, output treesize:173 [2018-04-10 14:07:18,015 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-04-10 14:07:18,015 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-10 14:07:18,026 INFO L700 Elim1Store]: detected not equals via solver [2018-04-10 14:07:18,027 INFO L700 Elim1Store]: detected not equals via solver [2018-04-10 14:07:18,027 INFO L700 Elim1Store]: detected not equals via solver [2018-04-10 14:07:18,028 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 21 [2018-04-10 14:07:18,028 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-10 14:07:18,037 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-10 14:07:18,037 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:80, output treesize:72 [2018-04-10 14:07:18,069 INFO L700 Elim1Store]: detected not equals via solver [2018-04-10 14:07:18,072 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 61 treesize of output 60 [2018-04-10 14:07:18,074 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 19 [2018-04-10 14:07:18,074 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-10 14:07:18,081 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-10 14:07:18,092 INFO L682 Elim1Store]: detected equality via solver [2018-04-10 14:07:18,094 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 56 [2018-04-10 14:07:18,096 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 23 [2018-04-10 14:07:18,096 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-10 14:07:18,101 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-10 14:07:18,108 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 14:07:18,109 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:91, output treesize:82 [2018-04-10 14:07:18,171 INFO L700 Elim1Store]: detected not equals via solver [2018-04-10 14:07:18,172 INFO L700 Elim1Store]: detected not equals via solver [2018-04-10 14:07:18,176 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 85 treesize of output 106 [2018-04-10 14:07:18,178 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 14 treesize of output 13 [2018-04-10 14:07:18,178 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-10 14:07:18,186 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-10 14:07:18,198 INFO L700 Elim1Store]: detected not equals via solver [2018-04-10 14:07:18,199 INFO L700 Elim1Store]: detected not equals via solver [2018-04-10 14:07:18,203 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 102 treesize of output 118 [2018-04-10 14:07:18,204 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 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 14 treesize of output 13 [2018-04-10 14:07:18,205 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-10 14:07:18,214 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-10 14:07:18,224 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-10 14:07:18,224 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:124, output treesize:100 [2018-04-10 14:07:18,352 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 189 treesize of output 171 [2018-04-10 14:07:18,359 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 32 treesize of output 51 [2018-04-10 14:07:18,360 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 2 xjuncts. [2018-04-10 14:07:18,377 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-10 14:07:18,413 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 181 treesize of output 138 [2018-04-10 14:07:18,420 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 32 treesize of output 51 [2018-04-10 14:07:18,421 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 2 xjuncts. [2018-04-10 14:07:18,435 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-10 14:07:18,441 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 161 treesize of output 122 [2018-04-10 14:07:18,445 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 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 32 treesize of output 25 [2018-04-10 14:07:18,445 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-04-10 14:07:18,456 INFO L267 ElimStorePlain]: Start of recursive call 6: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-10 14:07:18,484 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: 3 dim-0 vars, and 2 xjuncts. [2018-04-10 14:07:18,484 INFO L202 ElimStorePlain]: Needed 7 recursive calls to eliminate 4 variables, input treesize:200, output treesize:287 [2018-04-10 14:07:18,735 INFO L700 Elim1Store]: detected not equals via solver [2018-04-10 14:07:18,736 INFO L700 Elim1Store]: detected not equals via solver [2018-04-10 14:07:18,736 INFO L682 Elim1Store]: detected equality via solver [2018-04-10 14:07:18,740 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 145 treesize of output 132 [2018-04-10 14:07:18,741 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 5 treesize of output 1 [2018-04-10 14:07:18,742 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-10 14:07:18,752 INFO L682 Elim1Store]: detected equality via solver [2018-04-10 14:07:18,752 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 56 treesize of output 34 [2018-04-10 14:07:18,752 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-04-10 14:07:18,760 INFO L682 Elim1Store]: detected equality via solver [2018-04-10 14:07:18,760 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 34 [2018-04-10 14:07:18,761 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-10 14:07:18,767 INFO L267 ElimStorePlain]: Start of recursive call 2: 3 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-10 14:07:18,778 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2018-04-10 14:07:18,779 INFO L682 Elim1Store]: detected equality via solver [2018-04-10 14:07:18,779 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2018-04-10 14:07:18,779 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-04-10 14:07:18,783 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 5 treesize of output 1 [2018-04-10 14:07:18,784 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2018-04-10 14:07:18,785 INFO L267 ElimStorePlain]: Start of recursive call 6: 3 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-10 14:07:18,791 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-10 14:07:18,791 INFO L202 ElimStorePlain]: Needed 8 recursive calls to eliminate 5 variables, input treesize:151, output treesize:9 [2018-04-10 14:07:18,836 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 14:07:18,854 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-10 14:07:18,854 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 24] total 41 [2018-04-10 14:07:18,854 INFO L442 AbstractCegarLoop]: Interpolant automaton has 42 states [2018-04-10 14:07:18,854 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 42 interpolants. [2018-04-10 14:07:18,855 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=170, Invalid=1552, Unknown=0, NotChecked=0, Total=1722 [2018-04-10 14:07:18,855 INFO L87 Difference]: Start difference. First operand 244 states and 257 transitions. Second operand 42 states. [2018-04-10 14:07:20,713 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 14:07:20,713 INFO L93 Difference]: Finished difference Result 308 states and 323 transitions. [2018-04-10 14:07:20,713 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2018-04-10 14:07:20,713 INFO L78 Accepts]: Start accepts. Automaton has 42 states. Word has length 71 [2018-04-10 14:07:20,713 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 14:07:20,714 INFO L225 Difference]: With dead ends: 308 [2018-04-10 14:07:20,714 INFO L226 Difference]: Without dead ends: 308 [2018-04-10 14:07:20,715 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 124 GetRequests, 52 SyntacticMatches, 2 SemanticMatches, 70 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1326 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=630, Invalid=4482, Unknown=0, NotChecked=0, Total=5112 [2018-04-10 14:07:20,715 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 308 states. [2018-04-10 14:07:20,717 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 308 to 246. [2018-04-10 14:07:20,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 246 states. [2018-04-10 14:07:20,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 246 states and 259 transitions. [2018-04-10 14:07:20,718 INFO L78 Accepts]: Start accepts. Automaton has 246 states and 259 transitions. Word has length 71 [2018-04-10 14:07:20,718 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 14:07:20,719 INFO L459 AbstractCegarLoop]: Abstraction has 246 states and 259 transitions. [2018-04-10 14:07:20,719 INFO L460 AbstractCegarLoop]: Interpolant automaton has 42 states. [2018-04-10 14:07:20,719 INFO L276 IsEmpty]: Start isEmpty. Operand 246 states and 259 transitions. [2018-04-10 14:07:20,719 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2018-04-10 14:07:20,719 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 14:07:20,720 INFO L355 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-10 14:07:20,720 INFO L408 AbstractCegarLoop]: === Iteration 28 === [mainErr55AssertViolationMEMORY_FREE, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr58AssertViolationMEMORY_FREE, mainErr3RequiresViolation, mainErr60EnsuresViolationMEMORY_LEAK, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr54AssertViolationMEMORY_FREE, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr59AssertViolationMEMORY_FREE, mainErr36RequiresViolation, mainErr51AssertViolationMEMORY_FREE, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr50AssertViolationMEMORY_FREE, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-04-10 14:07:20,720 INFO L82 PathProgramCache]: Analyzing trace with hash -507435405, now seen corresponding path program 1 times [2018-04-10 14:07:20,720 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-10 14:07:20,720 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-10 14:07:20,721 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-10 14:07:20,721 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-04-10 14:07:20,721 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-10 14:07:20,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 14:07:20,733 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-10 14:07:21,054 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 14:07:21,054 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-04-10 14:07:21,055 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 15 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-04-10 14:07:21,060 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-10 14:07:21,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 14:07:21,079 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-10 14:07:21,083 INFO L700 Elim1Store]: detected not equals via solver [2018-04-10 14:07:21,084 INFO L700 Elim1Store]: detected not equals via solver [2018-04-10 14:07:21,084 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 4 [2018-04-10 14:07:21,084 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-10 14:07:21,087 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-10 14:07:21,087 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:20, output treesize:14 [2018-04-10 14:07:21,101 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-04-10 14:07:21,102 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 14:07:21,102 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-10 14:07:21,103 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-10 14:07:21,109 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-04-10 14:07:21,110 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 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 8 treesize of output 7 [2018-04-10 14:07:21,110 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-10 14:07:21,111 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-10 14:07:21,116 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 14:07:21,116 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:38, output treesize:27 [2018-04-10 14:07:21,152 INFO L700 Elim1Store]: detected not equals via solver [2018-04-10 14:07:21,155 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 55 [2018-04-10 14:07:21,156 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 14 treesize of output 13 [2018-04-10 14:07:21,156 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-10 14:07:21,160 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-10 14:07:21,169 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 30 [2018-04-10 14:07:21,171 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 14 treesize of output 13 [2018-04-10 14:07:21,171 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-10 14:07:21,174 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-10 14:07:21,180 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-10 14:07:21,180 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:69, output treesize:53 [2018-04-10 14:07:21,259 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 49 [2018-04-10 14:07:21,266 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 20 treesize of output 39 [2018-04-10 14:07:21,266 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 2 xjuncts. [2018-04-10 14:07:21,276 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-10 14:07:21,300 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 82 treesize of output 73 [2018-04-10 14:07:21,306 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 16 treesize of output 31 [2018-04-10 14:07:21,306 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 2 xjuncts. [2018-04-10 14:07:21,317 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-10 14:07:21,322 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 78 treesize of output 69 [2018-04-10 14:07:21,323 INFO L682 Elim1Store]: detected equality via solver [2018-04-10 14:07:21,324 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 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 16 treesize of output 17 [2018-04-10 14:07:21,324 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-04-10 14:07:21,340 INFO L267 ElimStorePlain]: Start of recursive call 6: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-10 14:07:21,364 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-04-10 14:07:21,364 INFO L202 ElimStorePlain]: Needed 7 recursive calls to eliminate 3 variables, input treesize:88, output treesize:155 [2018-04-10 14:07:21,410 INFO L700 Elim1Store]: detected not equals via solver [2018-04-10 14:07:21,410 INFO L700 Elim1Store]: detected not equals via solver [2018-04-10 14:07:21,411 INFO L700 Elim1Store]: detected not equals via solver [2018-04-10 14:07:21,411 INFO L700 Elim1Store]: detected not equals via solver [2018-04-10 14:07:21,412 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 42 [2018-04-10 14:07:21,413 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-10 14:07:21,423 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-10 14:07:21,423 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:77, output treesize:83 [2018-04-10 14:07:21,462 INFO L700 Elim1Store]: detected not equals via solver [2018-04-10 14:07:21,465 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 62 treesize of output 61 [2018-04-10 14:07:21,467 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 26 [2018-04-10 14:07:21,467 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-10 14:07:21,473 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-10 14:07:21,489 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 58 [2018-04-10 14:07:21,491 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 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 22 treesize of output 30 [2018-04-10 14:07:21,491 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-10 14:07:21,496 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-10 14:07:21,506 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 14:07:21,506 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:105, output treesize:81 [2018-04-10 14:07:21,569 INFO L700 Elim1Store]: detected not equals via solver [2018-04-10 14:07:21,571 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 74 [2018-04-10 14:07:21,573 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 14 treesize of output 13 [2018-04-10 14:07:21,573 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-10 14:07:21,580 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-10 14:07:21,593 INFO L700 Elim1Store]: detected not equals via solver [2018-04-10 14:07:21,594 INFO L700 Elim1Store]: detected not equals via solver [2018-04-10 14:07:21,598 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 92 treesize of output 100 [2018-04-10 14:07:21,599 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 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 14 treesize of output 13 [2018-04-10 14:07:21,599 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-10 14:07:21,608 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-10 14:07:21,619 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-10 14:07:21,619 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:123, output treesize:103 [2018-04-10 14:07:21,741 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 181 treesize of output 155 [2018-04-10 14:07:21,743 INFO L682 Elim1Store]: detected equality via solver [2018-04-10 14:07:21,744 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 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 32 treesize of output 48 [2018-04-10 14:07:21,744 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-10 14:07:21,754 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-10 14:07:21,781 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 171 treesize of output 128 [2018-04-10 14:07:21,795 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 32 treesize of output 51 [2018-04-10 14:07:21,795 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 2 xjuncts. [2018-04-10 14:07:21,810 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-10 14:07:21,838 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: 3 dim-0 vars, and 2 xjuncts. [2018-04-10 14:07:21,838 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:203, output treesize:289 [2018-04-10 14:07:21,950 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 106 treesize of output 93 [2018-04-10 14:07:21,951 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 5 treesize of output 1 [2018-04-10 14:07:21,951 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-10 14:07:21,959 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 75 treesize of output 60 [2018-04-10 14:07:21,959 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-04-10 14:07:21,965 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-10 14:07:21,974 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: 3 dim-0 vars, and 1 xjuncts. [2018-04-10 14:07:21,974 INFO L202 ElimStorePlain]: Needed 4 recursive calls to eliminate 4 variables, input treesize:135, output treesize:89 [2018-04-10 14:07:22,044 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 85 treesize of output 50 [2018-04-10 14:07:22,045 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 16 [2018-04-10 14:07:22,046 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-10 14:07:22,053 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 14 [2018-04-10 14:07:22,054 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-04-10 14:07:22,059 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 5 treesize of output 1 [2018-04-10 14:07:22,059 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-10 14:07:22,063 INFO L267 ElimStorePlain]: Start of recursive call 2: 3 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-10 14:07:22,068 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-04-10 14:07:22,068 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:90, output treesize:28 [2018-04-10 14:07:22,153 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 14:07:22,171 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-10 14:07:22,171 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 22] total 39 [2018-04-10 14:07:22,171 INFO L442 AbstractCegarLoop]: Interpolant automaton has 40 states [2018-04-10 14:07:22,171 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 40 interpolants. [2018-04-10 14:07:22,171 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=174, Invalid=1386, Unknown=0, NotChecked=0, Total=1560 [2018-04-10 14:07:22,171 INFO L87 Difference]: Start difference. First operand 246 states and 259 transitions. Second operand 40 states. [2018-04-10 14:07:24,295 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 14:07:24,295 INFO L93 Difference]: Finished difference Result 309 states and 324 transitions. [2018-04-10 14:07:24,295 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2018-04-10 14:07:24,295 INFO L78 Accepts]: Start accepts. Automaton has 40 states. Word has length 73 [2018-04-10 14:07:24,295 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 14:07:24,296 INFO L225 Difference]: With dead ends: 309 [2018-04-10 14:07:24,296 INFO L226 Difference]: Without dead ends: 309 [2018-04-10 14:07:24,297 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 119 GetRequests, 54 SyntacticMatches, 2 SemanticMatches, 63 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1134 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=522, Invalid=3638, Unknown=0, NotChecked=0, Total=4160 [2018-04-10 14:07:24,297 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 309 states. [2018-04-10 14:07:24,299 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 309 to 253. [2018-04-10 14:07:24,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 253 states. [2018-04-10 14:07:24,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 253 states to 253 states and 267 transitions. [2018-04-10 14:07:24,299 INFO L78 Accepts]: Start accepts. Automaton has 253 states and 267 transitions. Word has length 73 [2018-04-10 14:07:24,299 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 14:07:24,299 INFO L459 AbstractCegarLoop]: Abstraction has 253 states and 267 transitions. [2018-04-10 14:07:24,299 INFO L460 AbstractCegarLoop]: Interpolant automaton has 40 states. [2018-04-10 14:07:24,300 INFO L276 IsEmpty]: Start isEmpty. Operand 253 states and 267 transitions. [2018-04-10 14:07:24,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2018-04-10 14:07:24,300 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 14:07:24,300 INFO L355 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-10 14:07:24,300 INFO L408 AbstractCegarLoop]: === Iteration 29 === [mainErr55AssertViolationMEMORY_FREE, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr58AssertViolationMEMORY_FREE, mainErr3RequiresViolation, mainErr60EnsuresViolationMEMORY_LEAK, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr54AssertViolationMEMORY_FREE, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr59AssertViolationMEMORY_FREE, mainErr36RequiresViolation, mainErr51AssertViolationMEMORY_FREE, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr50AssertViolationMEMORY_FREE, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-04-10 14:07:24,300 INFO L82 PathProgramCache]: Analyzing trace with hash -507435404, now seen corresponding path program 1 times [2018-04-10 14:07:24,300 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-10 14:07:24,300 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-10 14:07:24,301 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-10 14:07:24,301 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-10 14:07:24,301 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-10 14:07:24,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 14:07:24,308 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-10 14:07:24,625 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 14:07:24,625 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-04-10 14:07:24,625 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 16 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 16 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-04-10 14:07:24,630 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-10 14:07:24,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 14:07:24,652 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-10 14:07:24,653 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-04-10 14:07:24,653 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-10 14:07:24,655 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-10 14:07:24,655 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2018-04-10 14:07:24,716 INFO L700 Elim1Store]: detected not equals via solver [2018-04-10 14:07:24,716 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 15 [2018-04-10 14:07:24,716 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-10 14:07:24,723 INFO L700 Elim1Store]: detected not equals via solver [2018-04-10 14:07:24,724 INFO L700 Elim1Store]: detected not equals via solver [2018-04-10 14:07:24,724 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 4 [2018-04-10 14:07:24,724 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-10 14:07:24,729 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-10 14:07:24,729 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:34, output treesize:27 [2018-04-10 14:07:24,758 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 14:07:24,759 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 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 14:07:24,760 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-10 14:07:24,761 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-10 14:07:24,770 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 14:07:24,771 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 14:07:24,772 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-10 14:07:24,773 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-10 14:07:24,780 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 14:07:24,780 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:51, output treesize:44 [2018-04-10 14:07:24,838 INFO L700 Elim1Store]: detected not equals via solver [2018-04-10 14:07:24,840 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 60 treesize of output 64 [2018-04-10 14:07:24,841 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 14 treesize of output 13 [2018-04-10 14:07:24,842 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-10 14:07:24,847 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-10 14:07:24,858 INFO L700 Elim1Store]: detected not equals via solver [2018-04-10 14:07:24,860 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 30 [2018-04-10 14:07:24,861 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 14 treesize of output 13 [2018-04-10 14:07:24,861 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-10 14:07:24,864 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-10 14:07:24,877 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-10 14:07:24,877 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:86, output treesize:70 [2018-04-10 14:07:24,988 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 62 treesize of output 57 [2018-04-10 14:07:24,995 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 16 treesize of output 31 [2018-04-10 14:07:24,995 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 2 xjuncts. [2018-04-10 14:07:25,006 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-10 14:07:25,035 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 83 treesize of output 100 [2018-04-10 14:07:25,037 INFO L682 Elim1Store]: detected equality via solver [2018-04-10 14:07:25,038 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 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 20 treesize of output 38 [2018-04-10 14:07:25,038 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-10 14:07:25,048 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-10 14:07:25,050 INFO L682 Elim1Store]: detected equality via solver [2018-04-10 14:07:25,052 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 83 treesize of output 87 [2018-04-10 14:07:25,053 INFO L682 Elim1Store]: detected equality via solver [2018-04-10 14:07:25,054 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 24 [2018-04-10 14:07:25,054 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-04-10 14:07:25,062 INFO L267 ElimStorePlain]: Start of recursive call 6: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-10 14:07:25,087 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-04-10 14:07:25,087 INFO L202 ElimStorePlain]: Needed 7 recursive calls to eliminate 3 variables, input treesize:105, output treesize:213 [2018-04-10 14:07:25,151 INFO L700 Elim1Store]: detected not equals via solver [2018-04-10 14:07:25,151 INFO L700 Elim1Store]: detected not equals via solver [2018-04-10 14:07:25,152 INFO L700 Elim1Store]: detected not equals via solver [2018-04-10 14:07:25,152 INFO L700 Elim1Store]: detected not equals via solver [2018-04-10 14:07:25,153 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 13 [2018-04-10 14:07:25,153 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-10 14:07:25,168 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 40 [2018-04-10 14:07:25,168 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-10 14:07:25,181 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-10 14:07:25,181 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:97, output treesize:89 [2018-04-10 14:07:25,221 INFO L682 Elim1Store]: detected equality via solver [2018-04-10 14:07:25,223 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 63 [2018-04-10 14:07:25,228 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 30 [2018-04-10 14:07:25,228 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-10 14:07:25,233 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-10 14:07:25,246 INFO L700 Elim1Store]: detected not equals via solver [2018-04-10 14:07:25,248 INFO L700 Elim1Store]: detected not equals via solver [2018-04-10 14:07:25,248 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 62 treesize of output 70 [2018-04-10 14:07:25,250 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 34 [2018-04-10 14:07:25,250 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-10 14:07:25,257 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-10 14:07:25,266 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 14:07:25,266 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:108, output treesize:91 [2018-04-10 14:07:25,334 INFO L700 Elim1Store]: detected not equals via solver [2018-04-10 14:07:25,334 INFO L700 Elim1Store]: detected not equals via solver [2018-04-10 14:07:25,335 INFO L700 Elim1Store]: detected not equals via solver [2018-04-10 14:07:25,340 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 88 treesize of output 109 [2018-04-10 14:07:25,341 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 14 treesize of output 13 [2018-04-10 14:07:25,342 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-10 14:07:25,351 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-10 14:07:25,366 INFO L700 Elim1Store]: detected not equals via solver [2018-04-10 14:07:25,367 INFO L700 Elim1Store]: detected not equals via solver [2018-04-10 14:07:25,367 INFO L700 Elim1Store]: detected not equals via solver [2018-04-10 14:07:25,369 INFO L700 Elim1Store]: detected not equals via solver [2018-04-10 14:07:25,372 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 103 treesize of output 127 [2018-04-10 14:07:25,373 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 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 14 treesize of output 13 [2018-04-10 14:07:25,373 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-10 14:07:25,384 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-10 14:07:25,399 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-10 14:07:25,399 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:133, output treesize:113 [2018-04-10 14:07:25,545 INFO L700 Elim1Store]: detected not equals via solver [2018-04-10 14:07:25,553 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 167 treesize of output 170 [2018-04-10 14:07:25,555 INFO L682 Elim1Store]: detected equality via solver [2018-04-10 14:07:25,555 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 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 20 treesize of output 36 [2018-04-10 14:07:25,556 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-10 14:07:25,571 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-10 14:07:25,591 INFO L700 Elim1Store]: detected not equals via solver [2018-04-10 14:07:25,594 INFO L700 Elim1Store]: detected not equals via solver [2018-04-10 14:07:25,598 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 147 treesize of output 153 [2018-04-10 14:07:25,610 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 20 treesize of output 51 [2018-04-10 14:07:25,610 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 2 xjuncts. [2018-04-10 14:07:25,630 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-10 14:07:25,662 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-04-10 14:07:25,663 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:198, output treesize:297 [2018-04-10 14:07:26,034 INFO L700 Elim1Store]: detected not equals via solver [2018-04-10 14:07:26,035 INFO L700 Elim1Store]: detected not equals via solver [2018-04-10 14:07:26,035 INFO L700 Elim1Store]: detected not equals via solver [2018-04-10 14:07:26,036 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 178 treesize of output 139 [2018-04-10 14:07:26,064 INFO L477 Elim1Store]: Elim1 applied some preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 3 case distinctions, treesize of input 104 treesize of output 116 [2018-04-10 14:07:26,068 INFO L267 ElimStorePlain]: Start of recursive call 3: 17 dim-0 vars, End of recursive call: 17 dim-0 vars, and 7 xjuncts. [2018-04-10 14:07:26,164 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 126 treesize of output 103 [2018-04-10 14:07:26,164 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 2 xjuncts. [2018-04-10 14:07:26,169 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 122 treesize of output 99 [2018-04-10 14:07:26,169 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 2 xjuncts. [2018-04-10 14:07:26,171 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 110 treesize of output 77 [2018-04-10 14:07:26,171 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-04-10 14:07:26,172 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 116 treesize of output 83 [2018-04-10 14:07:26,172 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-04-10 14:07:26,176 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 126 treesize of output 103 [2018-04-10 14:07:26,177 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 2 xjuncts. [2018-04-10 14:07:26,181 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 116 treesize of output 93 [2018-04-10 14:07:26,181 INFO L267 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 2 xjuncts. [2018-04-10 14:07:26,183 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 126 treesize of output 99 [2018-04-10 14:07:26,183 INFO L267 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2018-04-10 14:07:26,321 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 77 treesize of output 64 [2018-04-10 14:07:26,322 INFO L267 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2018-04-10 14:07:26,322 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 77 treesize of output 64 [2018-04-10 14:07:26,323 INFO L267 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2018-04-10 14:07:26,327 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 1 new quantified variables, introduced 1 case distinctions, treesize of input 87 treesize of output 96 [2018-04-10 14:07:26,328 INFO L267 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 2 xjuncts. [2018-04-10 14:07:26,332 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 87 treesize of output 107 [2018-04-10 14:07:26,332 INFO L267 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 2 xjuncts. [2018-04-10 14:07:26,336 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 1 new quantified variables, introduced 1 case distinctions, treesize of input 83 treesize of output 103 [2018-04-10 14:07:26,336 INFO L267 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 2 xjuncts. [2018-04-10 14:07:26,340 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 1 new quantified variables, introduced 1 case distinctions, treesize of input 83 treesize of output 92 [2018-04-10 14:07:26,341 INFO L267 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 2 xjuncts. [2018-04-10 14:07:26,342 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 87 treesize of output 84 [2018-04-10 14:07:26,342 INFO L267 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 1 xjuncts. [2018-04-10 14:07:26,457 INFO L267 ElimStorePlain]: Start of recursive call 2: 3 dim-1 vars, End of recursive call: 7 dim-0 vars, and 7 xjuncts. [2018-04-10 14:07:26,537 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 55 [2018-04-10 14:07:26,538 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 9 treesize of output 7 [2018-04-10 14:07:26,538 INFO L267 ElimStorePlain]: Start of recursive call 19: End of recursive call: and 1 xjuncts. [2018-04-10 14:07:26,546 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 20 treesize of output 11 [2018-04-10 14:07:26,546 INFO L267 ElimStorePlain]: Start of recursive call 20: End of recursive call: and 1 xjuncts. [2018-04-10 14:07:26,553 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 14:07:26,553 INFO L267 ElimStorePlain]: Start of recursive call 21: End of recursive call: and 1 xjuncts. [2018-04-10 14:07:26,559 INFO L267 ElimStorePlain]: Start of recursive call 18: 3 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-10 14:07:26,562 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 55 [2018-04-10 14:07:26,563 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 24 treesize of output 18 [2018-04-10 14:07:26,563 INFO L267 ElimStorePlain]: Start of recursive call 23: End of recursive call: and 1 xjuncts. [2018-04-10 14:07:26,572 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 7 treesize of output 5 [2018-04-10 14:07:26,572 INFO L267 ElimStorePlain]: Start of recursive call 24: End of recursive call: and 1 xjuncts. [2018-04-10 14:07:26,578 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 14:07:26,578 INFO L267 ElimStorePlain]: Start of recursive call 25: End of recursive call: and 1 xjuncts. [2018-04-10 14:07:26,583 INFO L267 ElimStorePlain]: Start of recursive call 22: 3 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-10 14:07:26,585 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 55 [2018-04-10 14:07:26,586 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 24 treesize of output 9 [2018-04-10 14:07:26,587 INFO L267 ElimStorePlain]: Start of recursive call 27: End of recursive call: and 1 xjuncts. [2018-04-10 14:07:26,601 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 5 treesize of output 1 [2018-04-10 14:07:26,601 INFO L267 ElimStorePlain]: Start of recursive call 28: End of recursive call: and 1 xjuncts. [2018-04-10 14:07:26,608 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 5 treesize of output 3 [2018-04-10 14:07:26,608 INFO L267 ElimStorePlain]: Start of recursive call 29: End of recursive call: and 1 xjuncts. [2018-04-10 14:07:26,613 INFO L267 ElimStorePlain]: Start of recursive call 26: 3 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-10 14:07:26,616 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 55 [2018-04-10 14:07:26,617 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 29 treesize of output 18 [2018-04-10 14:07:26,617 INFO L267 ElimStorePlain]: Start of recursive call 31: End of recursive call: and 1 xjuncts. [2018-04-10 14:07:26,624 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 18 treesize of output 9 [2018-04-10 14:07:26,624 INFO L267 ElimStorePlain]: Start of recursive call 32: End of recursive call: and 1 xjuncts. [2018-04-10 14:07:26,630 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 5 treesize of output 3 [2018-04-10 14:07:26,630 INFO L267 ElimStorePlain]: Start of recursive call 33: End of recursive call: and 1 xjuncts. [2018-04-10 14:07:26,635 INFO L267 ElimStorePlain]: Start of recursive call 30: 3 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-10 14:07:26,637 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 79 treesize of output 59 [2018-04-10 14:07:26,639 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 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 32 treesize of output 24 [2018-04-10 14:07:26,639 INFO L267 ElimStorePlain]: Start of recursive call 35: End of recursive call: and 1 xjuncts. [2018-04-10 14:07:26,646 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 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 7 treesize of output 5 [2018-04-10 14:07:26,646 INFO L267 ElimStorePlain]: Start of recursive call 36: End of recursive call: and 1 xjuncts. [2018-04-10 14:07:26,653 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 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 17 treesize of output 8 [2018-04-10 14:07:26,653 INFO L267 ElimStorePlain]: Start of recursive call 37: End of recursive call: and 1 xjuncts. [2018-04-10 14:07:26,659 INFO L267 ElimStorePlain]: Start of recursive call 34: 3 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-10 14:07:26,662 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 79 treesize of output 59 [2018-04-10 14:07:26,664 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 37 treesize of output 24 [2018-04-10 14:07:26,665 INFO L267 ElimStorePlain]: Start of recursive call 39: End of recursive call: and 1 xjuncts. [2018-04-10 14:07:26,672 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 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 24 treesize of output 13 [2018-04-10 14:07:26,672 INFO L267 ElimStorePlain]: Start of recursive call 40: End of recursive call: and 1 xjuncts. [2018-04-10 14:07:26,679 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 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 5 treesize of output 3 [2018-04-10 14:07:26,679 INFO L267 ElimStorePlain]: Start of recursive call 41: End of recursive call: and 1 xjuncts. [2018-04-10 14:07:26,685 INFO L267 ElimStorePlain]: Start of recursive call 38: 3 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-10 14:07:26,687 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 55 [2018-04-10 14:07:26,688 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 24 treesize of output 18 [2018-04-10 14:07:26,688 INFO L267 ElimStorePlain]: Start of recursive call 43: End of recursive call: and 1 xjuncts. [2018-04-10 14:07:26,696 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 7 treesize of output 5 [2018-04-10 14:07:26,696 INFO L267 ElimStorePlain]: Start of recursive call 44: End of recursive call: and 1 xjuncts. [2018-04-10 14:07:26,703 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 14:07:26,703 INFO L267 ElimStorePlain]: Start of recursive call 45: End of recursive call: and 1 xjuncts. [2018-04-10 14:07:26,708 INFO L267 ElimStorePlain]: Start of recursive call 42: 3 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-10 14:07:26,757 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: 14 dim-0 vars, and 7 xjuncts. [2018-04-10 14:07:26,757 INFO L202 ElimStorePlain]: Needed 45 recursive calls to eliminate 3 variables, input treesize:190, output treesize:246 [2018-04-10 14:07:26,912 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 14:07:26,930 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-10 14:07:26,930 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 26] total 45 [2018-04-10 14:07:26,930 INFO L442 AbstractCegarLoop]: Interpolant automaton has 46 states [2018-04-10 14:07:26,931 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 46 interpolants. [2018-04-10 14:07:26,931 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=211, Invalid=1859, Unknown=0, NotChecked=0, Total=2070 [2018-04-10 14:07:26,931 INFO L87 Difference]: Start difference. First operand 253 states and 267 transitions. Second operand 46 states. [2018-04-10 14:07:29,805 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 14:07:29,806 INFO L93 Difference]: Finished difference Result 315 states and 330 transitions. [2018-04-10 14:07:29,830 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2018-04-10 14:07:29,830 INFO L78 Accepts]: Start accepts. Automaton has 46 states. Word has length 73 [2018-04-10 14:07:29,831 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 14:07:29,831 INFO L225 Difference]: With dead ends: 315 [2018-04-10 14:07:29,831 INFO L226 Difference]: Without dead ends: 315 [2018-04-10 14:07:29,833 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 130 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 78 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1723 ImplicationChecksByTransitivity, 2.5s TimeCoverageRelationStatistics Valid=814, Invalid=5506, Unknown=0, NotChecked=0, Total=6320 [2018-04-10 14:07:29,833 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 315 states. [2018-04-10 14:07:29,835 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 315 to 255. [2018-04-10 14:07:29,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 255 states. [2018-04-10 14:07:29,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 255 states to 255 states and 268 transitions. [2018-04-10 14:07:29,836 INFO L78 Accepts]: Start accepts. Automaton has 255 states and 268 transitions. Word has length 73 [2018-04-10 14:07:29,836 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 14:07:29,836 INFO L459 AbstractCegarLoop]: Abstraction has 255 states and 268 transitions. [2018-04-10 14:07:29,836 INFO L460 AbstractCegarLoop]: Interpolant automaton has 46 states. [2018-04-10 14:07:29,836 INFO L276 IsEmpty]: Start isEmpty. Operand 255 states and 268 transitions. [2018-04-10 14:07:29,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2018-04-10 14:07:29,836 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 14:07:29,836 INFO L355 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:07:29,836 INFO L408 AbstractCegarLoop]: === Iteration 30 === [mainErr55AssertViolationMEMORY_FREE, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr58AssertViolationMEMORY_FREE, mainErr3RequiresViolation, mainErr60EnsuresViolationMEMORY_LEAK, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr54AssertViolationMEMORY_FREE, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr59AssertViolationMEMORY_FREE, mainErr36RequiresViolation, mainErr51AssertViolationMEMORY_FREE, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr50AssertViolationMEMORY_FREE, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-04-10 14:07:29,837 INFO L82 PathProgramCache]: Analyzing trace with hash -1698658648, now seen corresponding path program 1 times [2018-04-10 14:07:29,837 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-10 14:07:29,837 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-10 14:07:29,837 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-10 14:07:29,837 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-10 14:07:29,837 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-10 14:07:29,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 14:07:29,843 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-10 14:07:30,183 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 14:07:30,184 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-04-10 14:07:30,184 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 17 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 17 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-04-10 14:07:30,189 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-10 14:07:30,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 14:07:30,210 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-10 14:07:30,236 INFO L700 Elim1Store]: detected not equals via solver [2018-04-10 14:07:30,236 INFO L700 Elim1Store]: detected not equals via solver [2018-04-10 14:07:30,236 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 4 [2018-04-10 14:07:30,237 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-10 14:07:30,239 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-10 14:07:30,240 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:20, output treesize:14 [2018-04-10 14:07:30,253 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 14:07:30,254 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 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 8 treesize of output 7 [2018-04-10 14:07:30,254 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-10 14:07:30,255 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-10 14:07:30,259 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-10 14:07:30,259 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:25, output treesize:18 [2018-04-10 14:07:30,289 INFO L700 Elim1Store]: detected not equals via solver [2018-04-10 14:07:30,291 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 34 [2018-04-10 14:07:30,292 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 14 treesize of output 13 [2018-04-10 14:07:30,292 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-10 14:07:30,295 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-10 14:07:30,299 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-10 14:07:30,299 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:39, output treesize:31 [2018-04-10 14:07:30,358 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 31 [2018-04-10 14:07:30,364 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 20 treesize of output 31 [2018-04-10 14:07:30,364 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 2 xjuncts. [2018-04-10 14:07:30,371 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-10 14:07:30,380 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 3 dim-0 vars, and 2 xjuncts. [2018-04-10 14:07:30,381 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:44, output treesize:60 [2018-04-10 14:07:30,523 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 24 [2018-04-10 14:07:30,527 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 1 new quantified variables, introduced 1 case distinctions, treesize of input 19 treesize of output 18 [2018-04-10 14:07:30,528 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-04-10 14:07:30,536 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 5 treesize of output 1 [2018-04-10 14:07:30,536 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-04-10 14:07:30,542 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-04-10 14:07:30,550 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-04-10 14:07:30,551 INFO L202 ElimStorePlain]: Needed 4 recursive calls to eliminate 3 variables, input treesize:42, output treesize:30 [2018-04-10 14:07:30,604 INFO L700 Elim1Store]: detected not equals via solver [2018-04-10 14:07:30,605 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 21 [2018-04-10 14:07:30,605 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-10 14:07:30,607 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-10 14:07:30,607 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:16, output treesize:11 [2018-04-10 14:07:30,665 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 14:07:30,682 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-10 14:07:30,682 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [27, 19] total 44 [2018-04-10 14:07:30,682 INFO L442 AbstractCegarLoop]: Interpolant automaton has 45 states [2018-04-10 14:07:30,683 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 45 interpolants. [2018-04-10 14:07:30,683 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=164, Invalid=1816, Unknown=0, NotChecked=0, Total=1980 [2018-04-10 14:07:30,683 INFO L87 Difference]: Start difference. First operand 255 states and 268 transitions. Second operand 45 states. [2018-04-10 14:07:33,283 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 14:07:33,283 INFO L93 Difference]: Finished difference Result 410 states and 432 transitions. [2018-04-10 14:07:33,283 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2018-04-10 14:07:33,283 INFO L78 Accepts]: Start accepts. Automaton has 45 states. Word has length 74 [2018-04-10 14:07:33,284 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 14:07:33,284 INFO L225 Difference]: With dead ends: 410 [2018-04-10 14:07:33,284 INFO L226 Difference]: Without dead ends: 410 [2018-04-10 14:07:33,286 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 149 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 91 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2616 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=1423, Invalid=7133, Unknown=0, NotChecked=0, Total=8556 [2018-04-10 14:07:33,286 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 410 states. [2018-04-10 14:07:33,289 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 410 to 315. [2018-04-10 14:07:33,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 315 states. [2018-04-10 14:07:33,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 315 states to 315 states and 338 transitions. [2018-04-10 14:07:33,290 INFO L78 Accepts]: Start accepts. Automaton has 315 states and 338 transitions. Word has length 74 [2018-04-10 14:07:33,290 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 14:07:33,290 INFO L459 AbstractCegarLoop]: Abstraction has 315 states and 338 transitions. [2018-04-10 14:07:33,290 INFO L460 AbstractCegarLoop]: Interpolant automaton has 45 states. [2018-04-10 14:07:33,290 INFO L276 IsEmpty]: Start isEmpty. Operand 315 states and 338 transitions. [2018-04-10 14:07:33,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2018-04-10 14:07:33,291 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 14:07:33,291 INFO L355 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:07:33,291 INFO L408 AbstractCegarLoop]: === Iteration 31 === [mainErr55AssertViolationMEMORY_FREE, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr58AssertViolationMEMORY_FREE, mainErr3RequiresViolation, mainErr60EnsuresViolationMEMORY_LEAK, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr54AssertViolationMEMORY_FREE, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr59AssertViolationMEMORY_FREE, mainErr36RequiresViolation, mainErr51AssertViolationMEMORY_FREE, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr50AssertViolationMEMORY_FREE, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-04-10 14:07:33,291 INFO L82 PathProgramCache]: Analyzing trace with hash -1698658647, now seen corresponding path program 1 times [2018-04-10 14:07:33,291 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-10 14:07:33,291 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-10 14:07:33,292 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-10 14:07:33,292 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-10 14:07:33,292 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-10 14:07:33,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 14:07:33,302 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-10 14:07:33,416 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-04-10 14:07:33,416 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-04-10 14:07:33,416 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 18 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 18 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-04-10 14:07:33,422 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-10 14:07:33,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 14:07:33,441 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-10 14:07:33,511 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 23 treesize of output 19 [2018-04-10 14:07:33,515 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 19 treesize of output 20 [2018-04-10 14:07:33,515 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-04-10 14:07:33,519 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-04-10 14:07:33,527 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 26 treesize of output 20 [2018-04-10 14:07:33,531 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 20 treesize of output 19 [2018-04-10 14:07:33,531 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 2 xjuncts. [2018-04-10 14:07:33,536 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-10 14:07:33,537 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 30 treesize of output 24 [2018-04-10 14:07:33,538 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 15 [2018-04-10 14:07:33,538 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-04-10 14:07:33,540 INFO L267 ElimStorePlain]: Start of recursive call 6: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-10 14:07:33,550 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: 1 dim-0 vars, and 3 xjuncts. [2018-04-10 14:07:33,550 INFO L202 ElimStorePlain]: Needed 7 recursive calls to eliminate 4 variables, input treesize:43, output treesize:39 [2018-04-10 14:07:33,599 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-04-10 14:07:33,616 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-10 14:07:33,617 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 11] total 17 [2018-04-10 14:07:33,617 INFO L442 AbstractCegarLoop]: Interpolant automaton has 18 states [2018-04-10 14:07:33,617 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2018-04-10 14:07:33,617 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=260, Unknown=4, NotChecked=0, Total=306 [2018-04-10 14:07:33,617 INFO L87 Difference]: Start difference. First operand 315 states and 338 transitions. Second operand 18 states. [2018-04-10 14:07:34,396 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 14:07:34,396 INFO L93 Difference]: Finished difference Result 368 states and 393 transitions. [2018-04-10 14:07:34,396 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-04-10 14:07:34,396 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 74 [2018-04-10 14:07:34,396 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 14:07:34,397 INFO L225 Difference]: With dead ends: 368 [2018-04-10 14:07:34,397 INFO L226 Difference]: Without dead ends: 368 [2018-04-10 14:07:34,397 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 94 GetRequests, 67 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 76 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=138, Invalid=670, Unknown=4, NotChecked=0, Total=812 [2018-04-10 14:07:34,398 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 368 states. [2018-04-10 14:07:34,400 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 368 to 324. [2018-04-10 14:07:34,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 324 states. [2018-04-10 14:07:34,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 324 states to 324 states and 349 transitions. [2018-04-10 14:07:34,401 INFO L78 Accepts]: Start accepts. Automaton has 324 states and 349 transitions. Word has length 74 [2018-04-10 14:07:34,402 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 14:07:34,402 INFO L459 AbstractCegarLoop]: Abstraction has 324 states and 349 transitions. [2018-04-10 14:07:34,402 INFO L460 AbstractCegarLoop]: Interpolant automaton has 18 states. [2018-04-10 14:07:34,402 INFO L276 IsEmpty]: Start isEmpty. Operand 324 states and 349 transitions. [2018-04-10 14:07:34,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2018-04-10 14:07:34,402 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 14:07:34,403 INFO L355 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-10 14:07:34,403 INFO L408 AbstractCegarLoop]: === Iteration 32 === [mainErr55AssertViolationMEMORY_FREE, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr58AssertViolationMEMORY_FREE, mainErr3RequiresViolation, mainErr60EnsuresViolationMEMORY_LEAK, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr54AssertViolationMEMORY_FREE, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr59AssertViolationMEMORY_FREE, mainErr36RequiresViolation, mainErr51AssertViolationMEMORY_FREE, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr50AssertViolationMEMORY_FREE, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-04-10 14:07:34,403 INFO L82 PathProgramCache]: Analyzing trace with hash -238648907, now seen corresponding path program 3 times [2018-04-10 14:07:34,403 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-10 14:07:34,403 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-10 14:07:34,404 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-10 14:07:34,404 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-10 14:07:34,404 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-10 14:07:34,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 14:07:34,416 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-10 14:07:34,804 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 3 proven. 27 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 14:07:34,804 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-04-10 14:07:34,866 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 19 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 19 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-04-10 14:07:34,871 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST2 [2018-04-10 14:07:34,938 INFO L242 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2018-04-10 14:07:34,939 INFO L243 tOrderPrioritization]: Conjunction of SSA is unsat [2018-04-10 14:07:34,941 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-10 14:07:34,944 INFO L700 Elim1Store]: detected not equals via solver [2018-04-10 14:07:34,944 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 5 [2018-04-10 14:07:34,944 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-10 14:07:34,946 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-10 14:07:34,946 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:15, output treesize:9 [2018-04-10 14:07:35,005 INFO L700 Elim1Store]: detected not equals via solver [2018-04-10 14:07:35,006 INFO L700 Elim1Store]: detected not equals via solver [2018-04-10 14:07:35,006 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 21 [2018-04-10 14:07:35,006 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-10 14:07:35,012 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-10 14:07:35,012 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:29, output treesize:27 [2018-04-10 14:07:35,044 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 14:07:35,045 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 14:07:35,045 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-10 14:07:35,047 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-10 14:07:35,055 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 14:07:35,056 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 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 8 treesize of output 7 [2018-04-10 14:07:35,056 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-10 14:07:35,057 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-10 14:07:35,063 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 14:07:35,063 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:46, output treesize:39 [2018-04-10 14:07:35,121 INFO L700 Elim1Store]: detected not equals via solver [2018-04-10 14:07:35,123 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 30 [2018-04-10 14:07:35,125 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 13 [2018-04-10 14:07:35,125 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-10 14:07:35,128 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-10 14:07:35,139 INFO L700 Elim1Store]: detected not equals via solver [2018-04-10 14:07:35,141 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 56 [2018-04-10 14:07:35,142 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 14 treesize of output 13 [2018-04-10 14:07:35,142 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-10 14:07:35,147 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-10 14:07:35,156 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-10 14:07:35,156 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:81, output treesize:65 [2018-04-10 14:07:35,266 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 62 treesize of output 57 [2018-04-10 14:07:35,275 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 16 treesize of output 31 [2018-04-10 14:07:35,275 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 2 xjuncts. [2018-04-10 14:07:35,288 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-10 14:07:35,313 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 74 treesize of output 91 [2018-04-10 14:07:35,315 INFO L682 Elim1Store]: detected equality via solver [2018-04-10 14:07:35,315 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 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 20 treesize of output 38 [2018-04-10 14:07:35,315 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-10 14:07:35,324 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-10 14:07:35,326 INFO L682 Elim1Store]: detected equality via solver [2018-04-10 14:07:35,328 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 74 treesize of output 78 [2018-04-10 14:07:35,329 INFO L682 Elim1Store]: detected equality via solver [2018-04-10 14:07:35,330 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 24 [2018-04-10 14:07:35,330 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-04-10 14:07:35,338 INFO L267 ElimStorePlain]: Start of recursive call 6: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-10 14:07:35,361 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-04-10 14:07:35,361 INFO L202 ElimStorePlain]: Needed 7 recursive calls to eliminate 3 variables, input treesize:103, output treesize:185 [2018-04-10 14:07:35,425 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 14 [2018-04-10 14:07:35,426 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 14 treesize of output 13 [2018-04-10 14:07:35,427 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-10 14:07:35,428 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-10 14:07:35,437 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-10 14:07:35,437 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:82, output treesize:82 [2018-04-10 14:07:35,477 INFO L700 Elim1Store]: detected not equals via solver [2018-04-10 14:07:35,477 INFO L700 Elim1Store]: detected not equals via solver [2018-04-10 14:07:35,478 INFO L700 Elim1Store]: detected not equals via solver [2018-04-10 14:07:35,478 INFO L700 Elim1Store]: detected not equals via solver [2018-04-10 14:07:35,479 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 42 [2018-04-10 14:07:35,479 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-10 14:07:35,500 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-10 14:07:35,500 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:93, output treesize:99 [2018-04-10 14:07:35,551 INFO L700 Elim1Store]: detected not equals via solver [2018-04-10 14:07:35,553 INFO L700 Elim1Store]: detected not equals via solver [2018-04-10 14:07:35,554 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 75 treesize of output 83 [2018-04-10 14:07:35,556 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 34 [2018-04-10 14:07:35,556 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-10 14:07:35,565 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-10 14:07:35,583 INFO L700 Elim1Store]: detected not equals via solver [2018-04-10 14:07:35,586 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 58 [2018-04-10 14:07:35,588 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 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 22 treesize of output 30 [2018-04-10 14:07:35,588 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-10 14:07:35,593 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-10 14:07:35,604 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 14:07:35,605 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:121, output treesize:89 [2018-04-10 14:07:35,686 INFO L700 Elim1Store]: detected not equals via solver [2018-04-10 14:07:35,687 INFO L700 Elim1Store]: detected not equals via solver [2018-04-10 14:07:35,687 INFO L700 Elim1Store]: detected not equals via solver [2018-04-10 14:07:35,688 INFO L700 Elim1Store]: detected not equals via solver [2018-04-10 14:07:35,692 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 109 treesize of output 133 [2018-04-10 14:07:35,693 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 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 14 treesize of output 13 [2018-04-10 14:07:35,694 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-10 14:07:35,706 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-10 14:07:35,723 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 61 treesize of output 62 [2018-04-10 14:07:35,725 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 14 treesize of output 13 [2018-04-10 14:07:35,725 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-10 14:07:35,731 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-10 14:07:35,743 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-10 14:07:35,743 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:131, output treesize:111 [2018-04-10 14:07:35,920 INFO L700 Elim1Store]: detected not equals via solver [2018-04-10 14:07:35,920 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 36 [2018-04-10 14:07:35,920 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-10 14:07:35,941 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 137 treesize of output 124 [2018-04-10 14:07:35,943 INFO L682 Elim1Store]: detected equality via solver [2018-04-10 14:07:35,944 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 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 20 treesize of output 24 [2018-04-10 14:07:35,944 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-04-10 14:07:35,954 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-10 14:07:35,967 INFO L700 Elim1Store]: detected not equals via solver [2018-04-10 14:07:35,969 INFO L700 Elim1Store]: detected not equals via solver [2018-04-10 14:07:35,973 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 105 treesize of output 111 [2018-04-10 14:07:35,980 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 20 treesize of output 27 [2018-04-10 14:07:35,980 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 2 xjuncts. [2018-04-10 14:07:35,996 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-10 14:07:36,023 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, 2 dim-2 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-04-10 14:07:36,024 INFO L202 ElimStorePlain]: Needed 6 recursive calls to eliminate 4 variables, input treesize:187, output treesize:185 [2018-04-10 14:07:36,090 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 55 treesize of output 60 [2018-04-10 14:07:36,092 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 22 treesize of output 21 [2018-04-10 14:07:36,092 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-10 14:07:36,096 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-10 14:07:36,107 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-10 14:07:36,107 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:139, output treesize:123 [2018-04-10 14:07:36,446 INFO L700 Elim1Store]: detected not equals via solver [2018-04-10 14:07:36,447 INFO L700 Elim1Store]: detected not equals via solver [2018-04-10 14:07:36,448 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 120 treesize of output 100 [2018-04-10 14:07:36,453 INFO L477 Elim1Store]: Elim1 applied some preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 55 treesize of output 45 [2018-04-10 14:07:36,453 INFO L267 ElimStorePlain]: Start of recursive call 3: 3 dim-0 vars, End of recursive call: 3 dim-0 vars, and 2 xjuncts. [2018-04-10 14:07:36,469 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 5 treesize of output 1 [2018-04-10 14:07:36,469 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-04-10 14:07:36,483 INFO L682 Elim1Store]: detected equality via solver [2018-04-10 14:07:36,487 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 53 treesize of output 53 [2018-04-10 14:07:36,487 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 2 xjuncts. [2018-04-10 14:07:36,488 INFO L682 Elim1Store]: detected equality via solver [2018-04-10 14:07:36,489 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 47 treesize of output 41 [2018-04-10 14:07:36,489 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-04-10 14:07:36,505 INFO L267 ElimStorePlain]: Start of recursive call 2: 3 dim-1 vars, End of recursive call: 2 dim-0 vars, and 2 xjuncts. [2018-04-10 14:07:36,524 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 44 [2018-04-10 14:07:36,525 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 5 treesize of output 1 [2018-04-10 14:07:36,525 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2018-04-10 14:07:36,531 INFO L682 Elim1Store]: detected equality via solver [2018-04-10 14:07:36,532 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 16 [2018-04-10 14:07:36,532 INFO L267 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2018-04-10 14:07:36,537 INFO L267 ElimStorePlain]: Start of recursive call 7: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-10 14:07:36,539 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 44 [2018-04-10 14:07:36,540 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 5 treesize of output 1 [2018-04-10 14:07:36,540 INFO L267 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2018-04-10 14:07:36,547 INFO L682 Elim1Store]: detected equality via solver [2018-04-10 14:07:36,547 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 16 [2018-04-10 14:07:36,547 INFO L267 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2018-04-10 14:07:36,553 INFO L267 ElimStorePlain]: Start of recursive call 10: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-10 14:07:36,569 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 2 dim-2 vars, End of recursive call: 8 dim-0 vars, and 2 xjuncts. [2018-04-10 14:07:36,569 INFO L202 ElimStorePlain]: Needed 12 recursive calls to eliminate 5 variables, input treesize:149, output treesize:91 [2018-04-10 14:07:36,693 INFO L700 Elim1Store]: detected not equals via solver [2018-04-10 14:07:36,694 INFO L700 Elim1Store]: detected not equals via solver [2018-04-10 14:07:36,695 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 45 [2018-04-10 14:07:36,696 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 7 treesize of output 1 [2018-04-10 14:07:36,697 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-10 14:07:36,702 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 14:07:36,703 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-04-10 14:07:36,706 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 7 treesize of output 1 [2018-04-10 14:07:36,706 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-10 14:07:36,708 INFO L267 ElimStorePlain]: Start of recursive call 2: 3 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-10 14:07:36,713 INFO L267 ElimStorePlain]: Start of recursive call 1: 5 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-10 14:07:36,713 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 6 variables, input treesize:54, output treesize:7 [2018-04-10 14:07:36,771 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 18 proven. 7 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-04-10 14:07:36,791 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-10 14:07:36,792 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [26, 28] total 52 [2018-04-10 14:07:36,792 INFO L442 AbstractCegarLoop]: Interpolant automaton has 52 states [2018-04-10 14:07:36,792 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 52 interpolants. [2018-04-10 14:07:36,792 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=197, Invalid=2455, Unknown=0, NotChecked=0, Total=2652 [2018-04-10 14:07:36,792 INFO L87 Difference]: Start difference. First operand 324 states and 349 transitions. Second operand 52 states. [2018-04-10 14:07:39,123 WARN L151 SmtUtils]: Spent 105ms on a formula simplification. DAG size of input: 135 DAG size of output 99 [2018-04-10 14:07:39,948 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 14:07:39,949 INFO L93 Difference]: Finished difference Result 362 states and 386 transitions. [2018-04-10 14:07:39,974 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2018-04-10 14:07:39,974 INFO L78 Accepts]: Start accepts. Automaton has 52 states. Word has length 77 [2018-04-10 14:07:39,974 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 14:07:39,975 INFO L225 Difference]: With dead ends: 362 [2018-04-10 14:07:39,975 INFO L226 Difference]: Without dead ends: 362 [2018-04-10 14:07:39,975 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 144 GetRequests, 54 SyntacticMatches, 1 SemanticMatches, 89 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2115 ImplicationChecksByTransitivity, 3.2s TimeCoverageRelationStatistics Valid=723, Invalid=7466, Unknown=1, NotChecked=0, Total=8190 [2018-04-10 14:07:39,976 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 362 states. [2018-04-10 14:07:39,977 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 362 to 317. [2018-04-10 14:07:39,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 317 states. [2018-04-10 14:07:39,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 317 states to 317 states and 339 transitions. [2018-04-10 14:07:39,978 INFO L78 Accepts]: Start accepts. Automaton has 317 states and 339 transitions. Word has length 77 [2018-04-10 14:07:39,978 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 14:07:39,978 INFO L459 AbstractCegarLoop]: Abstraction has 317 states and 339 transitions. [2018-04-10 14:07:39,978 INFO L460 AbstractCegarLoop]: Interpolant automaton has 52 states. [2018-04-10 14:07:39,978 INFO L276 IsEmpty]: Start isEmpty. Operand 317 states and 339 transitions. [2018-04-10 14:07:39,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2018-04-10 14:07:39,979 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 14:07:39,979 INFO L355 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:07:39,979 INFO L408 AbstractCegarLoop]: === Iteration 33 === [mainErr55AssertViolationMEMORY_FREE, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr58AssertViolationMEMORY_FREE, mainErr3RequiresViolation, mainErr60EnsuresViolationMEMORY_LEAK, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr54AssertViolationMEMORY_FREE, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr59AssertViolationMEMORY_FREE, mainErr36RequiresViolation, mainErr51AssertViolationMEMORY_FREE, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr50AssertViolationMEMORY_FREE, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-04-10 14:07:39,979 INFO L82 PathProgramCache]: Analyzing trace with hash 802412474, now seen corresponding path program 1 times [2018-04-10 14:07:39,979 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-10 14:07:39,979 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-10 14:07:39,979 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-10 14:07:39,980 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-04-10 14:07:39,980 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-10 14:07:39,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 14:07:39,986 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-10 14:07:40,177 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-04-10 14:07:40,177 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-04-10 14:07:40,177 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 20 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 20 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-04-10 14:07:40,182 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-10 14:07:40,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 14:07:40,203 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-10 14:07:40,233 INFO L700 Elim1Store]: detected not equals via solver [2018-04-10 14:07:40,234 INFO L700 Elim1Store]: detected not equals via solver [2018-04-10 14:07:40,234 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 4 [2018-04-10 14:07:40,234 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-10 14:07:40,237 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-10 14:07:40,238 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:24, output treesize:18 [2018-04-10 14:07:40,252 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 14:07:40,253 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 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 14:07:40,253 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-10 14:07:40,254 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-10 14:07:40,259 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-10 14:07:40,259 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:34, output treesize:31 [2018-04-10 14:07:40,293 INFO L700 Elim1Store]: detected not equals via solver [2018-04-10 14:07:40,295 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 42 [2018-04-10 14:07:40,296 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 14 treesize of output 13 [2018-04-10 14:07:40,296 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-10 14:07:40,300 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-10 14:07:40,307 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-10 14:07:40,307 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:52, output treesize:44 [2018-04-10 14:07:40,398 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 48 treesize of output 43 [2018-04-10 14:07:40,405 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 16 treesize of output 23 [2018-04-10 14:07:40,405 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 2 xjuncts. [2018-04-10 14:07:40,423 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-10 14:07:40,437 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-04-10 14:07:40,438 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:61, output treesize:98 [2018-04-10 14:07:40,482 INFO L700 Elim1Store]: detected not equals via solver [2018-04-10 14:07:40,482 INFO L700 Elim1Store]: detected not equals via solver [2018-04-10 14:07:40,483 INFO L700 Elim1Store]: detected not equals via solver [2018-04-10 14:07:40,483 INFO L700 Elim1Store]: detected not equals via solver [2018-04-10 14:07:40,484 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 13 [2018-04-10 14:07:40,484 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-10 14:07:40,490 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-10 14:07:40,490 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:49, output treesize:42 [2018-04-10 14:07:40,513 INFO L700 Elim1Store]: detected not equals via solver [2018-04-10 14:07:40,515 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 41 [2018-04-10 14:07:40,516 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 7 [2018-04-10 14:07:40,516 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-10 14:07:40,521 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-10 14:07:40,527 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-10 14:07:40,527 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:53, output treesize:43 [2018-04-10 14:07:40,566 INFO L700 Elim1Store]: detected not equals via solver [2018-04-10 14:07:40,570 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 61 treesize of output 61 [2018-04-10 14:07:40,572 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 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 14 treesize of output 13 [2018-04-10 14:07:40,572 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-10 14:07:40,577 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-10 14:07:40,583 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-10 14:07:40,584 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:64, output treesize:56 [2018-04-10 14:07:40,665 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 93 treesize of output 70 [2018-04-10 14:07:40,667 INFO L700 Elim1Store]: detected not equals via solver [2018-04-10 14:07:40,671 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 2 case distinctions, treesize of input 28 treesize of output 51 [2018-04-10 14:07:40,671 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 2 xjuncts. [2018-04-10 14:07:40,684 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-10 14:07:40,701 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: 5 dim-0 vars, and 2 xjuncts. [2018-04-10 14:07:40,701 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:96, output treesize:148 [2018-04-10 14:07:40,755 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 67 treesize of output 42 [2018-04-10 14:07:40,756 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 2 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 14:07:40,756 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-10 14:07:40,762 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 9 [2018-04-10 14:07:40,762 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-04-10 14:07:40,765 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 5 treesize of output 1 [2018-04-10 14:07:40,765 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-10 14:07:40,767 INFO L267 ElimStorePlain]: Start of recursive call 2: 3 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-10 14:07:40,769 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-10 14:07:40,769 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:70, output treesize:8 [2018-04-10 14:07:40,841 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-04-10 14:07:40,859 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-10 14:07:40,859 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 22] total 39 [2018-04-10 14:07:40,859 INFO L442 AbstractCegarLoop]: Interpolant automaton has 39 states [2018-04-10 14:07:40,859 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 39 interpolants. [2018-04-10 14:07:40,859 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=189, Invalid=1293, Unknown=0, NotChecked=0, Total=1482 [2018-04-10 14:07:40,859 INFO L87 Difference]: Start difference. First operand 317 states and 339 transitions. Second operand 39 states. [2018-04-10 14:07:42,361 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 14:07:42,361 INFO L93 Difference]: Finished difference Result 375 states and 399 transitions. [2018-04-10 14:07:42,361 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2018-04-10 14:07:42,361 INFO L78 Accepts]: Start accepts. Automaton has 39 states. Word has length 78 [2018-04-10 14:07:42,361 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 14:07:42,362 INFO L225 Difference]: With dead ends: 375 [2018-04-10 14:07:42,362 INFO L226 Difference]: Without dead ends: 375 [2018-04-10 14:07:42,363 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 130 GetRequests, 60 SyntacticMatches, 1 SemanticMatches, 69 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1403 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=628, Invalid=4342, Unknown=0, NotChecked=0, Total=4970 [2018-04-10 14:07:42,363 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 375 states. [2018-04-10 14:07:42,365 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 375 to 344. [2018-04-10 14:07:42,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 344 states. [2018-04-10 14:07:42,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 344 states to 344 states and 373 transitions. [2018-04-10 14:07:42,365 INFO L78 Accepts]: Start accepts. Automaton has 344 states and 373 transitions. Word has length 78 [2018-04-10 14:07:42,365 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 14:07:42,365 INFO L459 AbstractCegarLoop]: Abstraction has 344 states and 373 transitions. [2018-04-10 14:07:42,365 INFO L460 AbstractCegarLoop]: Interpolant automaton has 39 states. [2018-04-10 14:07:42,365 INFO L276 IsEmpty]: Start isEmpty. Operand 344 states and 373 transitions. [2018-04-10 14:07:42,366 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2018-04-10 14:07:42,366 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 14:07:42,366 INFO L355 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:07:42,366 INFO L408 AbstractCegarLoop]: === Iteration 34 === [mainErr55AssertViolationMEMORY_FREE, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr58AssertViolationMEMORY_FREE, mainErr3RequiresViolation, mainErr60EnsuresViolationMEMORY_LEAK, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr54AssertViolationMEMORY_FREE, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr59AssertViolationMEMORY_FREE, mainErr36RequiresViolation, mainErr51AssertViolationMEMORY_FREE, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr50AssertViolationMEMORY_FREE, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-04-10 14:07:42,366 INFO L82 PathProgramCache]: Analyzing trace with hash -1531471959, now seen corresponding path program 1 times [2018-04-10 14:07:42,366 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-10 14:07:42,366 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-10 14:07:42,367 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-10 14:07:42,367 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-10 14:07:42,367 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-10 14:07:42,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 14:07:42,372 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-10 14:07:42,582 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-04-10 14:07:42,582 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-04-10 14:07:42,582 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 21 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 21 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-04-10 14:07:42,587 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-10 14:07:42,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 14:07:42,605 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-10 14:07:42,624 INFO L700 Elim1Store]: detected not equals via solver [2018-04-10 14:07:42,625 INFO L700 Elim1Store]: detected not equals via solver [2018-04-10 14:07:42,625 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 4 [2018-04-10 14:07:42,625 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-10 14:07:42,628 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-10 14:07:42,629 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:23, output treesize:17 [2018-04-10 14:07:42,641 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 14:07:42,642 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 14:07:42,642 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-10 14:07:42,643 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-10 14:07:42,650 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 14:07:42,651 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 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 8 treesize of output 7 [2018-04-10 14:07:42,651 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-10 14:07:42,652 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-10 14:07:42,657 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 14:07:42,657 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:36, output treesize:25 [2018-04-10 14:07:42,689 INFO L700 Elim1Store]: detected not equals via solver [2018-04-10 14:07:42,692 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 55 [2018-04-10 14:07:42,693 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 14 treesize of output 13 [2018-04-10 14:07:42,693 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-10 14:07:42,698 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-10 14:07:42,706 INFO L700 Elim1Store]: detected not equals via solver [2018-04-10 14:07:42,708 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 30 [2018-04-10 14:07:42,710 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 14 treesize of output 13 [2018-04-10 14:07:42,710 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-10 14:07:42,713 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-10 14:07:42,719 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-10 14:07:42,719 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:67, output treesize:51 [2018-04-10 14:07:42,742 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 30 [2018-04-10 14:07:42,743 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 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 23 treesize of output 14 [2018-04-10 14:07:42,744 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-10 14:07:42,747 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 7 treesize of output 1 [2018-04-10 14:07:42,747 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-04-10 14:07:42,749 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-10 14:07:42,752 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-10 14:07:42,752 INFO L202 ElimStorePlain]: Needed 4 recursive calls to eliminate 2 variables, input treesize:52, output treesize:24 [2018-04-10 14:07:42,784 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 27 [2018-04-10 14:07:42,789 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 16 treesize of output 23 [2018-04-10 14:07:42,789 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 2 xjuncts. [2018-04-10 14:07:42,796 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-10 14:07:42,806 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: 5 dim-0 vars, and 2 xjuncts. [2018-04-10 14:07:42,806 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:35, output treesize:54 [2018-04-10 14:07:42,843 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 20 [2018-04-10 14:07:42,844 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 14:07:42,844 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-10 14:07:42,847 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 5 treesize of output 1 [2018-04-10 14:07:42,847 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-04-10 14:07:42,848 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-10 14:07:42,850 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-10 14:07:42,850 INFO L202 ElimStorePlain]: Needed 4 recursive calls to eliminate 4 variables, input treesize:29, output treesize:7 [2018-04-10 14:07:42,891 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-04-10 14:07:42,908 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-10 14:07:42,908 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 14] total 28 [2018-04-10 14:07:42,908 INFO L442 AbstractCegarLoop]: Interpolant automaton has 29 states [2018-04-10 14:07:42,909 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2018-04-10 14:07:42,909 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=125, Invalid=687, Unknown=0, NotChecked=0, Total=812 [2018-04-10 14:07:42,909 INFO L87 Difference]: Start difference. First operand 344 states and 373 transitions. Second operand 29 states. [2018-04-10 14:07:44,021 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 14:07:44,021 INFO L93 Difference]: Finished difference Result 425 states and 458 transitions. [2018-04-10 14:07:44,021 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2018-04-10 14:07:44,021 INFO L78 Accepts]: Start accepts. Automaton has 29 states. Word has length 78 [2018-04-10 14:07:44,021 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 14:07:44,022 INFO L225 Difference]: With dead ends: 425 [2018-04-10 14:07:44,022 INFO L226 Difference]: Without dead ends: 425 [2018-04-10 14:07:44,022 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 131 GetRequests, 70 SyntacticMatches, 2 SemanticMatches, 59 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1056 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=855, Invalid=2805, Unknown=0, NotChecked=0, Total=3660 [2018-04-10 14:07:44,022 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 425 states. [2018-04-10 14:07:44,024 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 425 to 379. [2018-04-10 14:07:44,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 379 states. [2018-04-10 14:07:44,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 379 states to 379 states and 419 transitions. [2018-04-10 14:07:44,025 INFO L78 Accepts]: Start accepts. Automaton has 379 states and 419 transitions. Word has length 78 [2018-04-10 14:07:44,025 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 14:07:44,025 INFO L459 AbstractCegarLoop]: Abstraction has 379 states and 419 transitions. [2018-04-10 14:07:44,025 INFO L460 AbstractCegarLoop]: Interpolant automaton has 29 states. [2018-04-10 14:07:44,025 INFO L276 IsEmpty]: Start isEmpty. Operand 379 states and 419 transitions. [2018-04-10 14:07:44,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2018-04-10 14:07:44,026 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 14:07:44,026 INFO L355 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-10 14:07:44,026 INFO L408 AbstractCegarLoop]: === Iteration 35 === [mainErr55AssertViolationMEMORY_FREE, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr58AssertViolationMEMORY_FREE, mainErr3RequiresViolation, mainErr60EnsuresViolationMEMORY_LEAK, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr54AssertViolationMEMORY_FREE, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr59AssertViolationMEMORY_FREE, mainErr36RequiresViolation, mainErr51AssertViolationMEMORY_FREE, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr50AssertViolationMEMORY_FREE, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-04-10 14:07:44,026 INFO L82 PathProgramCache]: Analyzing trace with hash 660916923, now seen corresponding path program 1 times [2018-04-10 14:07:44,026 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-10 14:07:44,026 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-10 14:07:44,027 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-10 14:07:44,027 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-10 14:07:44,027 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-10 14:07:44,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 14:07:44,034 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-10 14:07:44,507 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 2 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 14:07:44,507 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-04-10 14:07:44,508 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 22 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 22 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-04-10 14:07:44,513 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-10 14:07:44,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 14:07:44,533 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-10 14:07:44,537 INFO L700 Elim1Store]: detected not equals via solver [2018-04-10 14:07:44,538 INFO L700 Elim1Store]: detected not equals via solver [2018-04-10 14:07:44,538 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 4 [2018-04-10 14:07:44,538 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-10 14:07:44,541 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-10 14:07:44,541 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:20, output treesize:14 [2018-04-10 14:07:44,559 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-04-10 14:07:44,560 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 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 8 treesize of output 7 [2018-04-10 14:07:44,560 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-10 14:07:44,561 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-10 14:07:44,567 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-04-10 14:07:44,568 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 14:07:44,568 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-10 14:07:44,569 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-10 14:07:44,573 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 14:07:44,574 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:38, output treesize:27 [2018-04-10 14:07:44,619 INFO L700 Elim1Store]: detected not equals via solver [2018-04-10 14:07:44,622 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 30 [2018-04-10 14:07:44,623 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 14 treesize of output 13 [2018-04-10 14:07:44,623 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-10 14:07:44,626 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-10 14:07:44,635 INFO L700 Elim1Store]: detected not equals via solver [2018-04-10 14:07:44,637 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 47 [2018-04-10 14:07:44,639 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 13 [2018-04-10 14:07:44,639 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-10 14:07:44,642 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-10 14:07:44,648 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-10 14:07:44,648 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:69, output treesize:53 [2018-04-10 14:07:44,744 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 53 treesize of output 48 [2018-04-10 14:07:44,750 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 16 treesize of output 31 [2018-04-10 14:07:44,751 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 2 xjuncts. [2018-04-10 14:07:44,762 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-10 14:07:44,787 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 74 treesize of output 91 [2018-04-10 14:07:44,793 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 20 treesize of output 51 [2018-04-10 14:07:44,794 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 2 xjuncts. [2018-04-10 14:07:44,806 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-10 14:07:44,811 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 74 treesize of output 73 [2018-04-10 14:07:44,812 INFO L682 Elim1Store]: detected equality via solver [2018-04-10 14:07:44,813 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 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 20 treesize of output 21 [2018-04-10 14:07:44,813 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-04-10 14:07:44,820 INFO L267 ElimStorePlain]: Start of recursive call 6: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-10 14:07:44,846 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-04-10 14:07:44,847 INFO L202 ElimStorePlain]: Needed 7 recursive calls to eliminate 3 variables, input treesize:88, output treesize:179 [2018-04-10 14:07:44,901 INFO L700 Elim1Store]: detected not equals via solver [2018-04-10 14:07:44,902 INFO L700 Elim1Store]: detected not equals via solver [2018-04-10 14:07:44,902 INFO L700 Elim1Store]: detected not equals via solver [2018-04-10 14:07:44,903 INFO L700 Elim1Store]: detected not equals via solver [2018-04-10 14:07:44,903 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 13 [2018-04-10 14:07:44,903 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-10 14:07:44,911 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-10 14:07:44,911 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:71, output treesize:64 [2018-04-10 14:07:44,941 INFO L700 Elim1Store]: detected not equals via solver [2018-04-10 14:07:44,944 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 53 treesize of output 52 [2018-04-10 14:07:44,946 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 26 [2018-04-10 14:07:44,946 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-10 14:07:44,951 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-10 14:07:44,964 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 58 [2018-04-10 14:07:44,966 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 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 22 treesize of output 30 [2018-04-10 14:07:44,966 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-10 14:07:44,971 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-10 14:07:44,978 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 14:07:44,978 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:86, output treesize:54 [2018-04-10 14:07:45,034 INFO L700 Elim1Store]: detected not equals via solver [2018-04-10 14:07:45,035 INFO L700 Elim1Store]: detected not equals via solver [2018-04-10 14:07:45,035 INFO L700 Elim1Store]: detected not equals via solver [2018-04-10 14:07:45,040 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 82 treesize of output 98 [2018-04-10 14:07:45,041 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 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 14 treesize of output 13 [2018-04-10 14:07:45,041 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-10 14:07:45,049 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-10 14:07:45,060 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 48 treesize of output 49 [2018-04-10 14:07:45,061 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 14 treesize of output 13 [2018-04-10 14:07:45,061 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-10 14:07:45,066 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-10 14:07:45,073 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-10 14:07:45,073 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:96, output treesize:76 [2018-04-10 14:07:45,191 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 189 treesize of output 146 [2018-04-10 14:07:45,197 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 44 treesize of output 75 [2018-04-10 14:07:45,198 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 2 xjuncts. [2018-04-10 14:07:45,211 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-10 14:07:45,239 INFO L682 Elim1Store]: detected equality via solver [2018-04-10 14:07:45,239 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 172 treesize of output 163 [2018-04-10 14:07:45,241 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 61 treesize of output 56 [2018-04-10 14:07:45,241 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-10 14:07:45,248 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-10 14:07:45,253 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 180 treesize of output 154 [2018-04-10 14:07:45,255 INFO L682 Elim1Store]: detected equality via solver [2018-04-10 14:07:45,256 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 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 44 treesize of output 60 [2018-04-10 14:07:45,256 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-04-10 14:07:45,263 INFO L267 ElimStorePlain]: Start of recursive call 6: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-10 14:07:45,284 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-04-10 14:07:45,284 INFO L202 ElimStorePlain]: Needed 7 recursive calls to eliminate 3 variables, input treesize:196, output treesize:275 [2018-04-10 14:07:45,545 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 169 treesize of output 119 [2018-04-10 14:07:45,547 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 31 treesize of output 3 [2018-04-10 14:07:45,547 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-10 14:07:45,553 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 65 treesize of output 57 [2018-04-10 14:07:45,554 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-10 14:07:45,560 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 63 treesize of output 39 [2018-04-10 14:07:45,560 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-10 14:07:45,565 INFO L267 ElimStorePlain]: Start of recursive call 2: 3 dim-1 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-04-10 14:07:45,573 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 36 [2018-04-10 14:07:45,574 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 24 treesize of output 15 [2018-04-10 14:07:45,574 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-04-10 14:07:45,578 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2018-04-10 14:07:45,578 INFO L267 ElimStorePlain]: Start of recursive call 8: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-10 14:07:45,581 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 14:07:45,581 INFO L267 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2018-04-10 14:07:45,581 INFO L267 ElimStorePlain]: Start of recursive call 6: 3 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-10 14:07:45,585 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 14:07:45,585 INFO L202 ElimStorePlain]: Needed 9 recursive calls to eliminate 4 variables, input treesize:176, output treesize:7 [2018-04-10 14:07:45,635 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 2 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 14:07:45,653 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-10 14:07:45,653 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [26, 25] total 45 [2018-04-10 14:07:45,654 INFO L442 AbstractCegarLoop]: Interpolant automaton has 45 states [2018-04-10 14:07:45,654 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 45 interpolants. [2018-04-10 14:07:45,654 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=141, Invalid=1836, Unknown=3, NotChecked=0, Total=1980 [2018-04-10 14:07:45,654 INFO L87 Difference]: Start difference. First operand 379 states and 419 transitions. Second operand 45 states. [2018-04-10 14:07:47,748 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 14:07:47,748 INFO L93 Difference]: Finished difference Result 371 states and 403 transitions. [2018-04-10 14:07:47,748 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2018-04-10 14:07:47,748 INFO L78 Accepts]: Start accepts. Automaton has 45 states. Word has length 80 [2018-04-10 14:07:47,748 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 14:07:47,749 INFO L225 Difference]: With dead ends: 371 [2018-04-10 14:07:47,749 INFO L226 Difference]: Without dead ends: 371 [2018-04-10 14:07:47,750 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 134 GetRequests, 60 SyntacticMatches, 4 SemanticMatches, 70 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1486 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=409, Invalid=4699, Unknown=4, NotChecked=0, Total=5112 [2018-04-10 14:07:47,750 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 371 states. [2018-04-10 14:07:47,751 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 371 to 367. [2018-04-10 14:07:47,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 367 states. [2018-04-10 14:07:47,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 367 states to 367 states and 399 transitions. [2018-04-10 14:07:47,752 INFO L78 Accepts]: Start accepts. Automaton has 367 states and 399 transitions. Word has length 80 [2018-04-10 14:07:47,752 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 14:07:47,752 INFO L459 AbstractCegarLoop]: Abstraction has 367 states and 399 transitions. [2018-04-10 14:07:47,752 INFO L460 AbstractCegarLoop]: Interpolant automaton has 45 states. [2018-04-10 14:07:47,752 INFO L276 IsEmpty]: Start isEmpty. Operand 367 states and 399 transitions. [2018-04-10 14:07:47,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2018-04-10 14:07:47,753 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 14:07:47,753 INFO L355 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:07:47,753 INFO L408 AbstractCegarLoop]: === Iteration 36 === [mainErr55AssertViolationMEMORY_FREE, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr58AssertViolationMEMORY_FREE, mainErr3RequiresViolation, mainErr60EnsuresViolationMEMORY_LEAK, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr54AssertViolationMEMORY_FREE, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr59AssertViolationMEMORY_FREE, mainErr36RequiresViolation, mainErr51AssertViolationMEMORY_FREE, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr50AssertViolationMEMORY_FREE, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-04-10 14:07:47,753 INFO L82 PathProgramCache]: Analyzing trace with hash 1356747809, now seen corresponding path program 1 times [2018-04-10 14:07:47,753 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-10 14:07:47,753 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-10 14:07:47,754 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-10 14:07:47,754 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-10 14:07:47,754 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-10 14:07:47,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 14:07:47,762 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-10 14:07:48,923 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 17 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 14:07:48,923 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-04-10 14:07:48,924 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 23 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 23 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-04-10 14:07:48,930 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-10 14:07:48,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 14:07:48,947 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-10 14:07:49,147 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 26 treesize of output 22 [2018-04-10 14:07:49,153 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 22 treesize of output 23 [2018-04-10 14:07:49,153 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-04-10 14:07:49,157 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-04-10 14:07:49,166 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 29 treesize of output 23 [2018-04-10 14:07:49,170 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 23 treesize of output 22 [2018-04-10 14:07:49,170 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-04-10 14:07:49,176 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-04-10 14:07:49,177 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 33 treesize of output 27 [2018-04-10 14:07:49,178 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 18 [2018-04-10 14:07:49,179 INFO L267 ElimStorePlain]: Start of recursive call 7: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-10 14:07:49,182 INFO L267 ElimStorePlain]: Start of recursive call 6: 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-10 14:07:49,193 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: 3 dim-0 vars, and 3 xjuncts. [2018-04-10 14:07:49,193 INFO L202 ElimStorePlain]: Needed 7 recursive calls to eliminate 4 variables, input treesize:46, output treesize:58 [2018-04-10 14:07:49,326 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 16 [2018-04-10 14:07:49,327 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 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 4 [2018-04-10 14:07:49,327 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-10 14:07:49,328 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-10 14:07:49,329 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-10 14:07:49,329 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:23, output treesize:8 [2018-04-10 14:07:49,363 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-04-10 14:07:49,380 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-10 14:07:49,380 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [36, 14] total 49 [2018-04-10 14:07:49,381 INFO L442 AbstractCegarLoop]: Interpolant automaton has 49 states [2018-04-10 14:07:49,381 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 49 interpolants. [2018-04-10 14:07:49,381 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=195, Invalid=2152, Unknown=5, NotChecked=0, Total=2352 [2018-04-10 14:07:49,381 INFO L87 Difference]: Start difference. First operand 367 states and 399 transitions. Second operand 49 states. [2018-04-10 14:07:54,136 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 14:07:54,136 INFO L93 Difference]: Finished difference Result 589 states and 643 transitions. [2018-04-10 14:07:54,136 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 73 states. [2018-04-10 14:07:54,136 INFO L78 Accepts]: Start accepts. Automaton has 49 states. Word has length 81 [2018-04-10 14:07:54,136 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 14:07:54,137 INFO L225 Difference]: With dead ends: 589 [2018-04-10 14:07:54,137 INFO L226 Difference]: Without dead ends: 589 [2018-04-10 14:07:54,139 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 191 GetRequests, 71 SyntacticMatches, 4 SemanticMatches, 116 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4030 ImplicationChecksByTransitivity, 4.5s TimeCoverageRelationStatistics Valid=1583, Invalid=12189, Unknown=34, NotChecked=0, Total=13806 [2018-04-10 14:07:54,139 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 589 states. [2018-04-10 14:07:54,142 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 589 to 427. [2018-04-10 14:07:54,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 427 states. [2018-04-10 14:07:54,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 427 states to 427 states and 482 transitions. [2018-04-10 14:07:54,143 INFO L78 Accepts]: Start accepts. Automaton has 427 states and 482 transitions. Word has length 81 [2018-04-10 14:07:54,143 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 14:07:54,143 INFO L459 AbstractCegarLoop]: Abstraction has 427 states and 482 transitions. [2018-04-10 14:07:54,144 INFO L460 AbstractCegarLoop]: Interpolant automaton has 49 states. [2018-04-10 14:07:54,144 INFO L276 IsEmpty]: Start isEmpty. Operand 427 states and 482 transitions. [2018-04-10 14:07:54,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2018-04-10 14:07:54,144 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 14:07:54,144 INFO L355 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-10 14:07:54,144 INFO L408 AbstractCegarLoop]: === Iteration 37 === [mainErr55AssertViolationMEMORY_FREE, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr58AssertViolationMEMORY_FREE, mainErr3RequiresViolation, mainErr60EnsuresViolationMEMORY_LEAK, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr54AssertViolationMEMORY_FREE, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr59AssertViolationMEMORY_FREE, mainErr36RequiresViolation, mainErr51AssertViolationMEMORY_FREE, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr50AssertViolationMEMORY_FREE, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-04-10 14:07:54,145 INFO L82 PathProgramCache]: Analyzing trace with hash 1197047147, now seen corresponding path program 3 times [2018-04-10 14:07:54,145 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-10 14:07:54,145 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-10 14:07:54,145 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-10 14:07:54,145 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-10 14:07:54,146 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-10 14:07:54,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 14:07:54,156 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-10 14:07:54,491 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 34 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 14:07:54,492 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-04-10 14:07:54,492 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 24 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 24 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-04-10 14:07:54,500 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST2 [2018-04-10 14:07:54,542 INFO L242 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2018-04-10 14:07:54,542 INFO L243 tOrderPrioritization]: Conjunction of SSA is unsat [2018-04-10 14:07:54,545 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-10 14:07:54,547 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-04-10 14:07:54,548 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-10 14:07:54,550 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-10 14:07:54,550 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2018-04-10 14:07:54,604 INFO L700 Elim1Store]: detected not equals via solver [2018-04-10 14:07:54,604 INFO L700 Elim1Store]: detected not equals via solver [2018-04-10 14:07:54,605 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 21 [2018-04-10 14:07:54,605 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-10 14:07:54,612 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-10 14:07:54,612 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:26, output treesize:24 [2018-04-10 14:07:54,647 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 14:07:54,648 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 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 8 treesize of output 7 [2018-04-10 14:07:54,649 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-10 14:07:54,650 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-10 14:07:54,657 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-10 14:07:54,658 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:35, output treesize:32 [2018-04-10 14:07:54,723 INFO L700 Elim1Store]: detected not equals via solver [2018-04-10 14:07:54,726 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 43 [2018-04-10 14:07:54,732 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 14 treesize of output 13 [2018-04-10 14:07:54,732 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-10 14:07:54,737 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-10 14:07:54,746 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-10 14:07:54,746 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:53, output treesize:45 [2018-04-10 14:07:54,847 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 44 [2018-04-10 14:07:54,854 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 16 treesize of output 23 [2018-04-10 14:07:54,855 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 2 xjuncts. [2018-04-10 14:07:54,866 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-10 14:07:54,884 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-04-10 14:07:54,884 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:57, output treesize:90 [2018-04-10 14:07:54,931 INFO L700 Elim1Store]: detected not equals via solver [2018-04-10 14:07:54,931 INFO L700 Elim1Store]: detected not equals via solver [2018-04-10 14:07:54,932 INFO L700 Elim1Store]: detected not equals via solver [2018-04-10 14:07:54,932 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 21 [2018-04-10 14:07:54,932 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-10 14:07:54,938 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-10 14:07:54,938 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:45, output treesize:38 [2018-04-10 14:07:54,965 INFO L700 Elim1Store]: detected not equals via solver [2018-04-10 14:07:54,968 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 41 [2018-04-10 14:07:54,969 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 7 [2018-04-10 14:07:54,970 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-10 14:07:54,982 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-10 14:07:54,989 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-10 14:07:54,989 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:54, output treesize:44 [2018-04-10 14:07:55,050 INFO L700 Elim1Store]: detected not equals via solver [2018-04-10 14:07:55,055 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 65 [2018-04-10 14:07:55,058 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 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 14 treesize of output 13 [2018-04-10 14:07:55,058 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-10 14:07:55,065 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-10 14:07:55,073 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-10 14:07:55,073 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:65, output treesize:57 [2018-04-10 14:07:55,162 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 94 treesize of output 71 [2018-04-10 14:07:55,171 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 28 treesize of output 43 [2018-04-10 14:07:55,171 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 2 xjuncts. [2018-04-10 14:07:55,181 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-10 14:07:55,196 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: 5 dim-0 vars, and 2 xjuncts. [2018-04-10 14:07:55,196 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:97, output treesize:150 [2018-04-10 14:07:55,300 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 68 treesize of output 43 [2018-04-10 14:07:55,301 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 16 [2018-04-10 14:07:55,301 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-10 14:07:55,307 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 5 treesize of output 1 [2018-04-10 14:07:55,307 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-04-10 14:07:55,311 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2018-04-10 14:07:55,312 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-10 14:07:55,314 INFO L267 ElimStorePlain]: Start of recursive call 2: 3 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-10 14:07:55,318 INFO L267 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-10 14:07:55,318 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 5 variables, input treesize:74, output treesize:5 [2018-04-10 14:07:55,340 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 34 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 14:07:55,358 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-10 14:07:55,358 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 21] total 37 [2018-04-10 14:07:55,358 INFO L442 AbstractCegarLoop]: Interpolant automaton has 38 states [2018-04-10 14:07:55,358 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 38 interpolants. [2018-04-10 14:07:55,359 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=181, Invalid=1225, Unknown=0, NotChecked=0, Total=1406 [2018-04-10 14:07:55,359 INFO L87 Difference]: Start difference. First operand 427 states and 482 transitions. Second operand 38 states. [2018-04-10 14:07:56,596 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 14:07:56,596 INFO L93 Difference]: Finished difference Result 461 states and 508 transitions. [2018-04-10 14:07:56,596 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2018-04-10 14:07:56,596 INFO L78 Accepts]: Start accepts. Automaton has 38 states. Word has length 81 [2018-04-10 14:07:56,596 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 14:07:56,597 INFO L225 Difference]: With dead ends: 461 [2018-04-10 14:07:56,597 INFO L226 Difference]: Without dead ends: 461 [2018-04-10 14:07:56,597 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 132 GetRequests, 65 SyntacticMatches, 1 SemanticMatches, 66 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1162 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=698, Invalid=3858, Unknown=0, NotChecked=0, Total=4556 [2018-04-10 14:07:56,598 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 461 states. [2018-04-10 14:07:56,599 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 461 to 427. [2018-04-10 14:07:56,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 427 states. [2018-04-10 14:07:56,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 427 states to 427 states and 481 transitions. [2018-04-10 14:07:56,600 INFO L78 Accepts]: Start accepts. Automaton has 427 states and 481 transitions. Word has length 81 [2018-04-10 14:07:56,600 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 14:07:56,600 INFO L459 AbstractCegarLoop]: Abstraction has 427 states and 481 transitions. [2018-04-10 14:07:56,600 INFO L460 AbstractCegarLoop]: Interpolant automaton has 38 states. [2018-04-10 14:07:56,601 INFO L276 IsEmpty]: Start isEmpty. Operand 427 states and 481 transitions. [2018-04-10 14:07:56,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2018-04-10 14:07:56,601 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 14:07:56,601 INFO L355 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-10 14:07:56,602 INFO L408 AbstractCegarLoop]: === Iteration 38 === [mainErr55AssertViolationMEMORY_FREE, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr58AssertViolationMEMORY_FREE, mainErr3RequiresViolation, mainErr60EnsuresViolationMEMORY_LEAK, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr54AssertViolationMEMORY_FREE, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr59AssertViolationMEMORY_FREE, mainErr36RequiresViolation, mainErr51AssertViolationMEMORY_FREE, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr50AssertViolationMEMORY_FREE, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-04-10 14:07:56,602 INFO L82 PathProgramCache]: Analyzing trace with hash 1197047148, now seen corresponding path program 2 times [2018-04-10 14:07:56,602 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-10 14:07:56,602 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-10 14:07:56,602 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-10 14:07:56,602 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-04-10 14:07:56,603 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-10 14:07:56,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 14:07:56,610 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-10 14:07:56,996 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 34 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 14:07:56,996 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-04-10 14:07:56,996 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 25 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 25 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-04-10 14:07:57,002 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST1 [2018-04-10 14:07:57,036 INFO L242 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2018-04-10 14:07:57,036 INFO L243 tOrderPrioritization]: Conjunction of SSA is unsat [2018-04-10 14:07:57,038 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-10 14:07:57,040 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-04-10 14:07:57,040 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-10 14:07:57,041 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-10 14:07:57,041 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2018-04-10 14:07:57,056 INFO L700 Elim1Store]: detected not equals via solver [2018-04-10 14:07:57,056 INFO L700 Elim1Store]: detected not equals via solver [2018-04-10 14:07:57,057 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 21 [2018-04-10 14:07:57,057 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-10 14:07:57,062 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-10 14:07:57,063 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:26, output treesize:24 [2018-04-10 14:07:57,085 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-04-10 14:07:57,086 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 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 8 treesize of output 7 [2018-04-10 14:07:57,087 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-10 14:07:57,088 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-10 14:07:57,097 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-04-10 14:07:57,098 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 14:07:57,098 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-10 14:07:57,099 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-10 14:07:57,105 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 14:07:57,105 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:43, output treesize:36 [2018-04-10 14:07:57,152 INFO L700 Elim1Store]: detected not equals via solver [2018-04-10 14:07:57,154 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 60 treesize of output 64 [2018-04-10 14:07:57,156 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 14 treesize of output 13 [2018-04-10 14:07:57,156 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-10 14:07:57,162 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-10 14:07:57,174 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 30 [2018-04-10 14:07:57,176 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 14 treesize of output 13 [2018-04-10 14:07:57,176 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-10 14:07:57,179 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-10 14:07:57,187 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-10 14:07:57,187 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:78, output treesize:62 [2018-04-10 14:07:57,287 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 62 treesize of output 57 [2018-04-10 14:07:57,296 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 16 treesize of output 23 [2018-04-10 14:07:57,297 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 2 xjuncts. [2018-04-10 14:07:57,310 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-10 14:07:57,339 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 68 treesize of output 67 [2018-04-10 14:07:57,341 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 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 20 treesize of output 17 [2018-04-10 14:07:57,342 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-10 14:07:57,349 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-10 14:07:57,355 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 72 treesize of output 77 [2018-04-10 14:07:57,362 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 20 treesize of output 31 [2018-04-10 14:07:57,362 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 2 xjuncts. [2018-04-10 14:07:57,376 INFO L267 ElimStorePlain]: Start of recursive call 6: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-10 14:07:57,407 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-04-10 14:07:57,407 INFO L202 ElimStorePlain]: Needed 7 recursive calls to eliminate 3 variables, input treesize:88, output treesize:145 [2018-04-10 14:07:57,530 INFO L700 Elim1Store]: detected not equals via solver [2018-04-10 14:07:57,530 INFO L700 Elim1Store]: detected not equals via solver [2018-04-10 14:07:57,531 INFO L700 Elim1Store]: detected not equals via solver [2018-04-10 14:07:57,531 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 21 [2018-04-10 14:07:57,532 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-10 14:07:57,546 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 21 [2018-04-10 14:07:57,546 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-10 14:07:57,559 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-10 14:07:57,559 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:76, output treesize:72 [2018-04-10 14:07:57,599 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 36 [2018-04-10 14:07:57,601 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 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 18 treesize of output 11 [2018-04-10 14:07:57,601 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-10 14:07:57,606 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-10 14:07:57,633 INFO L700 Elim1Store]: detected not equals via solver [2018-04-10 14:07:57,635 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 64 treesize of output 63 [2018-04-10 14:07:57,638 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 7 [2018-04-10 14:07:57,638 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-10 14:07:57,645 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-10 14:07:57,657 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 14:07:57,658 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:94, output treesize:66 [2018-04-10 14:07:57,751 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 30 [2018-04-10 14:07:57,753 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 14 treesize of output 13 [2018-04-10 14:07:57,753 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-10 14:07:57,757 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-10 14:07:57,771 INFO L700 Elim1Store]: detected not equals via solver [2018-04-10 14:07:57,775 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 90 treesize of output 98 [2018-04-10 14:07:57,777 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 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 14 treesize of output 13 [2018-04-10 14:07:57,777 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-10 14:07:57,787 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-10 14:07:57,798 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-10 14:07:57,798 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:108, output treesize:92 [2018-04-10 14:07:57,914 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 43 [2018-04-10 14:07:57,922 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 24 treesize of output 39 [2018-04-10 14:07:57,922 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 2 xjuncts. [2018-04-10 14:07:57,932 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-10 14:07:57,961 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 136 treesize of output 105 [2018-04-10 14:07:57,963 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 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 28 treesize of output 21 [2018-04-10 14:07:57,963 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-10 14:07:57,973 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-10 14:07:57,978 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 148 treesize of output 113 [2018-04-10 14:07:57,985 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 28 treesize of output 43 [2018-04-10 14:07:57,985 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 2 xjuncts. [2018-04-10 14:07:58,003 INFO L267 ElimStorePlain]: Start of recursive call 6: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-10 14:07:58,037 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 2 dim-2 vars, End of recursive call: 5 dim-0 vars, and 2 xjuncts. [2018-04-10 14:07:58,037 INFO L202 ElimStorePlain]: Needed 7 recursive calls to eliminate 5 variables, input treesize:163, output treesize:241 [2018-04-10 14:07:58,160 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 98 treesize of output 61 [2018-04-10 14:07:58,161 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 5 treesize of output 1 [2018-04-10 14:07:58,161 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-10 14:07:58,169 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 18 [2018-04-10 14:07:58,169 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-04-10 14:07:58,176 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 21 [2018-04-10 14:07:58,176 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-10 14:07:58,183 INFO L267 ElimStorePlain]: Start of recursive call 2: 3 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-10 14:07:58,208 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 20 [2018-04-10 14:07:58,210 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 5 treesize of output 1 [2018-04-10 14:07:58,210 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-04-10 14:07:58,214 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 14:07:58,214 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2018-04-10 14:07:58,216 INFO L267 ElimStorePlain]: Start of recursive call 6: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-10 14:07:58,223 INFO L267 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 2 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-10 14:07:58,223 INFO L202 ElimStorePlain]: Needed 8 recursive calls to eliminate 6 variables, input treesize:115, output treesize:18 [2018-04-10 14:07:58,322 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 34 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 14:07:58,340 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-10 14:07:58,340 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 22] total 38 [2018-04-10 14:07:58,341 INFO L442 AbstractCegarLoop]: Interpolant automaton has 39 states [2018-04-10 14:07:58,341 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 39 interpolants. [2018-04-10 14:07:58,341 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=121, Invalid=1361, Unknown=0, NotChecked=0, Total=1482 [2018-04-10 14:07:58,341 INFO L87 Difference]: Start difference. First operand 427 states and 481 transitions. Second operand 39 states. [2018-04-10 14:08:01,217 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 14:08:01,218 INFO L93 Difference]: Finished difference Result 454 states and 500 transitions. [2018-04-10 14:08:01,218 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2018-04-10 14:08:01,218 INFO L78 Accepts]: Start accepts. Automaton has 39 states. Word has length 81 [2018-04-10 14:08:01,218 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 14:08:01,219 INFO L225 Difference]: With dead ends: 454 [2018-04-10 14:08:01,219 INFO L226 Difference]: Without dead ends: 454 [2018-04-10 14:08:01,219 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 133 GetRequests, 63 SyntacticMatches, 2 SemanticMatches, 68 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1032 ImplicationChecksByTransitivity, 2.3s TimeCoverageRelationStatistics Valid=572, Invalid=4258, Unknown=0, NotChecked=0, Total=4830 [2018-04-10 14:08:01,219 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 454 states. [2018-04-10 14:08:01,221 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 454 to 428. [2018-04-10 14:08:01,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 428 states. [2018-04-10 14:08:01,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 428 states to 428 states and 480 transitions. [2018-04-10 14:08:01,222 INFO L78 Accepts]: Start accepts. Automaton has 428 states and 480 transitions. Word has length 81 [2018-04-10 14:08:01,222 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 14:08:01,222 INFO L459 AbstractCegarLoop]: Abstraction has 428 states and 480 transitions. [2018-04-10 14:08:01,222 INFO L460 AbstractCegarLoop]: Interpolant automaton has 39 states. [2018-04-10 14:08:01,222 INFO L276 IsEmpty]: Start isEmpty. Operand 428 states and 480 transitions. [2018-04-10 14:08:01,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2018-04-10 14:08:01,222 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 14:08:01,222 INFO L355 BasicCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-10 14:08:01,222 INFO L408 AbstractCegarLoop]: === Iteration 39 === [mainErr55AssertViolationMEMORY_FREE, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr58AssertViolationMEMORY_FREE, mainErr3RequiresViolation, mainErr60EnsuresViolationMEMORY_LEAK, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr54AssertViolationMEMORY_FREE, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr59AssertViolationMEMORY_FREE, mainErr36RequiresViolation, mainErr51AssertViolationMEMORY_FREE, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr50AssertViolationMEMORY_FREE, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-04-10 14:08:01,223 INFO L82 PathProgramCache]: Analyzing trace with hash -829362717, now seen corresponding path program 2 times [2018-04-10 14:08:01,223 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-10 14:08:01,223 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-10 14:08:01,223 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-10 14:08:01,224 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-04-10 14:08:01,224 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-10 14:08:01,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 14:08:01,228 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-10 14:08:01,406 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 2 proven. 24 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-04-10 14:08:01,406 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-04-10 14:08:01,406 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 26 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 26 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-04-10 14:08:01,413 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST1 [2018-04-10 14:08:01,441 INFO L242 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2018-04-10 14:08:01,441 INFO L243 tOrderPrioritization]: Conjunction of SSA is unsat [2018-04-10 14:08:01,444 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-10 14:08:01,827 INFO L682 Elim1Store]: detected equality via solver [2018-04-10 14:08:01,832 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 53 treesize of output 57 [2018-04-10 14:08:01,835 INFO L682 Elim1Store]: detected equality via solver [2018-04-10 14:08:01,838 INFO L682 Elim1Store]: detected equality via solver [2018-04-10 14:08:01,844 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 1 new quantified variables, introduced 4 case distinctions, treesize of input 44 treesize of output 44 [2018-04-10 14:08:01,845 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-04-10 14:08:01,913 INFO L682 Elim1Store]: detected equality via solver [2018-04-10 14:08:01,914 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 40 [2018-04-10 14:08:01,915 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-10 14:08:01,930 INFO L682 Elim1Store]: detected equality via solver [2018-04-10 14:08:01,930 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 33 [2018-04-10 14:08:01,931 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-10 14:08:01,946 INFO L267 ElimStorePlain]: Start of recursive call 2: 3 dim-1 vars, End of recursive call: 2 dim-0 vars, and 3 xjuncts. [2018-04-10 14:08:01,970 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 37 treesize of output 35 [2018-04-10 14:08:01,972 INFO L682 Elim1Store]: detected equality via solver [2018-04-10 14:08:01,972 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 31 treesize of output 27 [2018-04-10 14:08:01,973 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-04-10 14:08:01,985 INFO L682 Elim1Store]: detected equality via solver [2018-04-10 14:08:01,985 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 22 treesize of output 18 [2018-04-10 14:08:01,985 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2018-04-10 14:08:01,996 INFO L700 Elim1Store]: detected not equals via solver [2018-04-10 14:08:01,997 INFO L682 Elim1Store]: detected equality via solver [2018-04-10 14:08:01,997 INFO L682 Elim1Store]: detected equality via solver [2018-04-10 14:08:01,998 INFO L700 Elim1Store]: detected not equals via solver [2018-04-10 14:08:01,998 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 18 [2018-04-10 14:08:01,998 INFO L267 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2018-04-10 14:08:02,004 INFO L267 ElimStorePlain]: Start of recursive call 6: 3 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-10 14:08:02,006 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 25 [2018-04-10 14:08:02,008 INFO L682 Elim1Store]: detected equality via solver [2018-04-10 14:08:02,008 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2018-04-10 14:08:02,008 INFO L267 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2018-04-10 14:08:02,014 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 5 treesize of output 1 [2018-04-10 14:08:02,014 INFO L267 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2018-04-10 14:08:02,017 INFO L267 ElimStorePlain]: Start of recursive call 10: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-10 14:08:02,021 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 29 treesize of output 29 [2018-04-10 14:08:02,023 INFO L682 Elim1Store]: detected equality via solver [2018-04-10 14:08:02,024 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 21 [2018-04-10 14:08:02,024 INFO L267 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2018-04-10 14:08:02,060 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 18 treesize of output 11 [2018-04-10 14:08:02,060 INFO L267 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2018-04-10 14:08:02,075 INFO L682 Elim1Store]: detected equality via solver [2018-04-10 14:08:02,075 INFO L682 Elim1Store]: detected equality via solver [2018-04-10 14:08:02,082 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 0 new quantified variables, introduced 4 case distinctions, treesize of input 21 treesize of output 18 [2018-04-10 14:08:02,082 INFO L267 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 2 xjuncts. [2018-04-10 14:08:02,112 INFO L267 ElimStorePlain]: Start of recursive call 13: 3 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-10 14:08:02,120 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-10 14:08:02,120 INFO L202 ElimStorePlain]: Needed 16 recursive calls to eliminate 5 variables, input treesize:72, output treesize:10 [2018-04-10 14:08:02,181 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 2 proven. 24 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-04-10 14:08:02,199 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-10 14:08:02,199 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 19] total 29 [2018-04-10 14:08:02,199 INFO L442 AbstractCegarLoop]: Interpolant automaton has 29 states [2018-04-10 14:08:02,199 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2018-04-10 14:08:02,199 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=86, Invalid=726, Unknown=0, NotChecked=0, Total=812 [2018-04-10 14:08:02,199 INFO L87 Difference]: Start difference. First operand 428 states and 480 transitions. Second operand 29 states. [2018-04-10 14:08:03,582 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 14:08:03,582 INFO L93 Difference]: Finished difference Result 501 states and 559 transitions. [2018-04-10 14:08:03,582 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2018-04-10 14:08:03,582 INFO L78 Accepts]: Start accepts. Automaton has 29 states. Word has length 84 [2018-04-10 14:08:03,582 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 14:08:03,583 INFO L225 Difference]: With dead ends: 501 [2018-04-10 14:08:03,583 INFO L226 Difference]: Without dead ends: 501 [2018-04-10 14:08:03,584 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 125 GetRequests, 72 SyntacticMatches, 2 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 566 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=382, Invalid=2374, Unknown=0, NotChecked=0, Total=2756 [2018-04-10 14:08:03,584 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 501 states. [2018-04-10 14:08:03,586 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 501 to 446. [2018-04-10 14:08:03,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 446 states. [2018-04-10 14:08:03,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 446 states to 446 states and 503 transitions. [2018-04-10 14:08:03,587 INFO L78 Accepts]: Start accepts. Automaton has 446 states and 503 transitions. Word has length 84 [2018-04-10 14:08:03,587 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 14:08:03,587 INFO L459 AbstractCegarLoop]: Abstraction has 446 states and 503 transitions. [2018-04-10 14:08:03,587 INFO L460 AbstractCegarLoop]: Interpolant automaton has 29 states. [2018-04-10 14:08:03,587 INFO L276 IsEmpty]: Start isEmpty. Operand 446 states and 503 transitions. [2018-04-10 14:08:03,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2018-04-10 14:08:03,588 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 14:08:03,588 INFO L355 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-10 14:08:03,588 INFO L408 AbstractCegarLoop]: === Iteration 40 === [mainErr55AssertViolationMEMORY_FREE, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr58AssertViolationMEMORY_FREE, mainErr3RequiresViolation, mainErr60EnsuresViolationMEMORY_LEAK, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr54AssertViolationMEMORY_FREE, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr59AssertViolationMEMORY_FREE, mainErr36RequiresViolation, mainErr51AssertViolationMEMORY_FREE, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr50AssertViolationMEMORY_FREE, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-04-10 14:08:03,588 INFO L82 PathProgramCache]: Analyzing trace with hash 59559130, now seen corresponding path program 2 times [2018-04-10 14:08:03,588 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-10 14:08:03,588 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-10 14:08:03,589 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-10 14:08:03,589 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-04-10 14:08:03,589 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-10 14:08:03,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 14:08:03,597 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-10 14:08:04,260 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-04-10 14:08:04,260 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-04-10 14:08:04,260 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 27 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 27 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-04-10 14:08:04,265 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST1 [2018-04-10 14:08:04,290 INFO L242 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2018-04-10 14:08:04,290 INFO L243 tOrderPrioritization]: Conjunction of SSA is unsat [2018-04-10 14:08:04,292 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-10 14:08:04,320 INFO L700 Elim1Store]: detected not equals via solver [2018-04-10 14:08:04,320 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 28 [2018-04-10 14:08:04,321 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-10 14:08:04,327 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-10 14:08:04,327 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:32, output treesize:34 [2018-04-10 14:08:04,350 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-04-10 14:08:04,351 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 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 8 treesize of output 7 [2018-04-10 14:08:04,351 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-10 14:08:04,353 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-10 14:08:04,366 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-10 14:08:04,366 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:45, output treesize:46 [2018-04-10 14:08:04,423 INFO L700 Elim1Store]: detected not equals via solver [2018-04-10 14:08:04,425 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 48 treesize of output 52 [2018-04-10 14:08:04,426 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 14 treesize of output 13 [2018-04-10 14:08:04,426 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-10 14:08:04,430 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-10 14:08:04,438 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-10 14:08:04,438 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:67, output treesize:59 [2018-04-10 14:08:04,561 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 31 treesize of output 41 [2018-04-10 14:08:04,563 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 32 treesize of output 31 [2018-04-10 14:08:04,564 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-10 14:08:04,576 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-10 14:08:04,604 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 55 treesize of output 79 [2018-04-10 14:08:04,607 WARN L307 Elim1Store]: Array PQE input equivalent to false [2018-04-10 14:08:04,607 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-10 14:08:04,676 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 52 treesize of output 51 [2018-04-10 14:08:04,676 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-04-10 14:08:04,736 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 53 treesize of output 64 [2018-04-10 14:08:04,736 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 2 xjuncts. [2018-04-10 14:08:04,781 INFO L267 ElimStorePlain]: Start of recursive call 8: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-10 14:08:04,823 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 1 new quantified variables, introduced 2 case distinctions, treesize of input 47 treesize of output 53 [2018-04-10 14:08:04,823 INFO L267 ElimStorePlain]: Start of recursive call 9: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-04-10 14:08:04,868 INFO L267 ElimStorePlain]: Start of recursive call 4: 5 dim-1 vars, End of recursive call: 2 dim-0 vars, and 4 xjuncts. [2018-04-10 14:08:04,918 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: 6 dim-0 vars, and 4 xjuncts. [2018-04-10 14:08:04,918 INFO L202 ElimStorePlain]: Needed 9 recursive calls to eliminate 4 variables, input treesize:83, output treesize:297 [2018-04-10 14:08:05,226 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 77 treesize of output 71 [2018-04-10 14:08:05,228 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 7 treesize of output 1 [2018-04-10 14:08:05,228 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-10 14:08:05,240 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2018-04-10 14:08:05,240 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-04-10 14:08:05,249 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-10 14:08:05,288 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 89 treesize of output 89 [2018-04-10 14:08:05,289 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 85 treesize of output 78 [2018-04-10 14:08:05,290 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-04-10 14:08:05,319 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 81 treesize of output 67 [2018-04-10 14:08:05,320 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-04-10 14:08:05,342 INFO L267 ElimStorePlain]: Start of recursive call 5: 3 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-10 14:08:05,383 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 67 treesize of output 67 [2018-04-10 14:08:05,392 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 55 treesize of output 53 [2018-04-10 14:08:05,392 INFO L267 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 2 xjuncts. [2018-04-10 14:08:05,452 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 59 treesize of output 54 [2018-04-10 14:08:05,452 INFO L267 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2018-04-10 14:08:05,507 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 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 49 treesize of output 38 [2018-04-10 14:08:05,508 INFO L267 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2018-04-10 14:08:05,509 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 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 46 treesize of output 35 [2018-04-10 14:08:05,509 INFO L267 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2018-04-10 14:08:05,579 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 55 treesize of output 48 [2018-04-10 14:08:05,580 INFO L267 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2018-04-10 14:08:05,637 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 51 treesize of output 52 [2018-04-10 14:08:05,638 INFO L267 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 4 xjuncts. [2018-04-10 14:08:05,722 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 54 treesize of output 47 [2018-04-10 14:08:05,723 INFO L267 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2018-04-10 14:08:05,794 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 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 47 treesize of output 36 [2018-04-10 14:08:05,795 INFO L267 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2018-04-10 14:08:05,864 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 1 case distinctions, treesize of input 48 treesize of output 40 [2018-04-10 14:08:05,864 INFO L267 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 2 xjuncts. [2018-04-10 14:08:05,914 INFO L267 ElimStorePlain]: Start of recursive call 8: 8 dim-1 vars, End of recursive call: and 5 xjuncts. [2018-04-10 14:08:05,982 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 84 treesize of output 68 [2018-04-10 14:08:05,984 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 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 39 treesize of output 26 [2018-04-10 14:08:05,984 INFO L267 ElimStorePlain]: Start of recursive call 19: End of recursive call: and 1 xjuncts. [2018-04-10 14:08:05,993 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 9 treesize of output 1 [2018-04-10 14:08:05,993 INFO L267 ElimStorePlain]: Start of recursive call 20: End of recursive call: and 1 xjuncts. [2018-04-10 14:08:06,001 INFO L267 ElimStorePlain]: Start of recursive call 18: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-10 14:08:06,060 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 40 [2018-04-10 14:08:06,061 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 7 treesize of output 1 [2018-04-10 14:08:06,061 INFO L267 ElimStorePlain]: Start of recursive call 22: End of recursive call: and 1 xjuncts. [2018-04-10 14:08:06,068 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 5 treesize of output 1 [2018-04-10 14:08:06,068 INFO L267 ElimStorePlain]: Start of recursive call 23: End of recursive call: and 1 xjuncts. [2018-04-10 14:08:06,073 INFO L267 ElimStorePlain]: Start of recursive call 21: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-10 14:08:06,100 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 53 treesize of output 45 [2018-04-10 14:08:06,102 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 7 [2018-04-10 14:08:06,102 INFO L267 ElimStorePlain]: Start of recursive call 25: End of recursive call: and 1 xjuncts. [2018-04-10 14:08:06,109 INFO L267 ElimStorePlain]: Start of recursive call 24: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-10 14:08:06,122 INFO L267 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 6 dim-2 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-04-10 14:08:06,122 INFO L202 ElimStorePlain]: Needed 25 recursive calls to eliminate 10 variables, input treesize:251, output treesize:63 [2018-04-10 14:08:06,271 INFO L700 Elim1Store]: detected not equals via solver [2018-04-10 14:08:06,271 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 31 [2018-04-10 14:08:06,271 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-10 14:08:06,283 INFO L700 Elim1Store]: detected not equals via solver [2018-04-10 14:08:06,283 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 31 [2018-04-10 14:08:06,283 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-10 14:08:06,293 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 2 dim-1 vars, End of recursive call: 3 dim-0 vars, and 2 xjuncts. [2018-04-10 14:08:06,293 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 5 variables, input treesize:69, output treesize:49 [2018-04-10 14:08:06,592 INFO L700 Elim1Store]: detected not equals via solver [2018-04-10 14:08:06,593 INFO L700 Elim1Store]: detected not equals via solver [2018-04-10 14:08:06,593 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 21 [2018-04-10 14:08:06,593 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-10 14:08:06,599 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-04-10 14:08:06,599 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:31, output treesize:29 [2018-04-10 14:08:06,709 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-04-10 14:08:06,727 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-10 14:08:06,727 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [25, 22] total 43 [2018-04-10 14:08:06,727 INFO L442 AbstractCegarLoop]: Interpolant automaton has 44 states [2018-04-10 14:08:06,727 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 44 interpolants. [2018-04-10 14:08:06,728 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=138, Invalid=1754, Unknown=0, NotChecked=0, Total=1892 [2018-04-10 14:08:06,728 INFO L87 Difference]: Start difference. First operand 446 states and 503 transitions. Second operand 44 states. [2018-04-10 14:08:07,666 WARN L151 SmtUtils]: Spent 129ms on a formula simplification. DAG size of input: 106 DAG size of output 94 [2018-04-10 14:08:08,186 WARN L151 SmtUtils]: Spent 124ms on a formula simplification. DAG size of input: 102 DAG size of output 90 [2018-04-10 14:08:08,443 WARN L151 SmtUtils]: Spent 137ms on a formula simplification. DAG size of input: 95 DAG size of output 87 [2018-04-10 14:08:08,989 WARN L151 SmtUtils]: Spent 115ms on a formula simplification. DAG size of input: 96 DAG size of output 84 [2018-04-10 14:08:09,265 WARN L151 SmtUtils]: Spent 168ms on a formula simplification. DAG size of input: 117 DAG size of output 99 [2018-04-10 14:08:09,484 WARN L151 SmtUtils]: Spent 134ms on a formula simplification. DAG size of input: 94 DAG size of output 87 [2018-04-10 14:08:10,700 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 14:08:10,700 INFO L93 Difference]: Finished difference Result 479 states and 536 transitions. [2018-04-10 14:08:10,700 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2018-04-10 14:08:10,700 INFO L78 Accepts]: Start accepts. Automaton has 44 states. Word has length 85 [2018-04-10 14:08:10,700 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 14:08:10,701 INFO L225 Difference]: With dead ends: 479 [2018-04-10 14:08:10,701 INFO L226 Difference]: Without dead ends: 433 [2018-04-10 14:08:10,701 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 142 GetRequests, 65 SyntacticMatches, 6 SemanticMatches, 71 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1316 ImplicationChecksByTransitivity, 3.9s TimeCoverageRelationStatistics Valid=467, Invalid=4789, Unknown=0, NotChecked=0, Total=5256 [2018-04-10 14:08:10,702 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 433 states. [2018-04-10 14:08:10,704 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 433 to 414. [2018-04-10 14:08:10,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 414 states. [2018-04-10 14:08:10,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 414 states to 414 states and 470 transitions. [2018-04-10 14:08:10,705 INFO L78 Accepts]: Start accepts. Automaton has 414 states and 470 transitions. Word has length 85 [2018-04-10 14:08:10,705 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 14:08:10,705 INFO L459 AbstractCegarLoop]: Abstraction has 414 states and 470 transitions. [2018-04-10 14:08:10,705 INFO L460 AbstractCegarLoop]: Interpolant automaton has 44 states. [2018-04-10 14:08:10,705 INFO L276 IsEmpty]: Start isEmpty. Operand 414 states and 470 transitions. [2018-04-10 14:08:10,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2018-04-10 14:08:10,705 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 14:08:10,706 INFO L355 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-10 14:08:10,706 INFO L408 AbstractCegarLoop]: === Iteration 41 === [mainErr55AssertViolationMEMORY_FREE, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr58AssertViolationMEMORY_FREE, mainErr3RequiresViolation, mainErr60EnsuresViolationMEMORY_LEAK, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr54AssertViolationMEMORY_FREE, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr59AssertViolationMEMORY_FREE, mainErr36RequiresViolation, mainErr51AssertViolationMEMORY_FREE, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr50AssertViolationMEMORY_FREE, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-04-10 14:08:10,706 INFO L82 PathProgramCache]: Analyzing trace with hash -1885910511, now seen corresponding path program 4 times [2018-04-10 14:08:10,706 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-10 14:08:10,706 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-10 14:08:10,706 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-10 14:08:10,707 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-04-10 14:08:10,707 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-10 14:08:10,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 14:08:10,715 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-10 14:08:11,134 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 0 proven. 43 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 14:08:11,135 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-04-10 14:08:11,135 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 28 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 28 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-04-10 14:08:11,144 INFO L103 rtionOrderModulation]: Keeping assertion order TERMS_WITH_SMALL_CONSTANTS_FIRST [2018-04-10 14:08:11,177 INFO L242 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2018-04-10 14:08:11,177 INFO L243 tOrderPrioritization]: Conjunction of SSA is unsat [2018-04-10 14:08:11,180 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-10 14:08:11,213 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 14:08:11,215 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 14:08:11,215 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-10 14:08:11,217 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-10 14:08:11,225 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 14:08:11,229 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 14:08:11,229 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-10 14:08:11,231 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-10 14:08:11,236 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 14:08:11,236 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:29, output treesize:7 [2018-04-10 14:08:11,275 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 43 treesize of output 50 [2018-04-10 14:08:11,277 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 44 treesize of output 43 [2018-04-10 14:08:11,278 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-10 14:08:11,293 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-10 14:08:11,301 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 14 [2018-04-10 14:08:11,302 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 14 treesize of output 13 [2018-04-10 14:08:11,302 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-10 14:08:11,304 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-10 14:08:11,309 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-10 14:08:11,309 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:49, output treesize:33 [2018-04-10 14:08:11,403 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 4 case distinctions, treesize of input 45 treesize of output 49 [2018-04-10 14:08:11,412 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 40 treesize of output 55 [2018-04-10 14:08:11,413 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 2 xjuncts. [2018-04-10 14:08:11,448 INFO L682 Elim1Store]: detected equality via solver [2018-04-10 14:08:11,465 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 4 case distinctions, treesize of input 35 treesize of output 58 [2018-04-10 14:08:11,466 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 4 xjuncts. [2018-04-10 14:08:11,507 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 5 xjuncts. [2018-04-10 14:08:11,550 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 4 case distinctions, treesize of input 59 treesize of output 73 [2018-04-10 14:08:11,558 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 3 case distinctions, treesize of input 55 treesize of output 53 [2018-04-10 14:08:11,559 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 2 xjuncts. [2018-04-10 14:08:11,593 INFO L682 Elim1Store]: detected equality via solver [2018-04-10 14:08:11,594 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 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 54 treesize of output 55 [2018-04-10 14:08:11,594 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-04-10 14:08:11,612 INFO L267 ElimStorePlain]: Start of recursive call 5: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-10 14:08:11,624 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 4 case distinctions, treesize of input 59 treesize of output 93 [2018-04-10 14:08:11,632 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 80 treesize of output 111 [2018-04-10 14:08:11,632 INFO L267 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 2 xjuncts. [2018-04-10 14:08:11,681 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 5 case distinctions, treesize of input 63 treesize of output 82 [2018-04-10 14:08:11,681 INFO L267 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 4 xjuncts. [2018-04-10 14:08:11,731 INFO L267 ElimStorePlain]: Start of recursive call 8: 2 dim-1 vars, End of recursive call: and 5 xjuncts. [2018-04-10 14:08:11,733 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 38 [2018-04-10 14:08:11,735 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 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 35 treesize of output 23 [2018-04-10 14:08:11,735 INFO L267 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2018-04-10 14:08:11,740 INFO L267 ElimStorePlain]: Start of recursive call 11: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-10 14:08:11,742 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 58 treesize of output 47 [2018-04-10 14:08:11,754 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 35 treesize of output 33 [2018-04-10 14:08:11,754 INFO L267 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 2 xjuncts. [2018-04-10 14:08:11,766 INFO L267 ElimStorePlain]: Start of recursive call 13: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-10 14:08:11,824 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: 2 dim-0 vars, and 4 xjuncts. [2018-04-10 14:08:11,824 INFO L202 ElimStorePlain]: Needed 14 recursive calls to eliminate 3 variables, input treesize:63, output treesize:183 [2018-04-10 14:08:11,885 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 43 treesize of output 38 [2018-04-10 14:08:11,887 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 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 14 treesize of output 11 [2018-04-10 14:08:11,887 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-10 14:08:11,892 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-10 14:08:11,909 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 32 treesize of output 27 [2018-04-10 14:08:11,911 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 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 14 treesize of output 11 [2018-04-10 14:08:11,911 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-10 14:08:11,915 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-10 14:08:11,938 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 63 treesize of output 71 [2018-04-10 14:08:11,940 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 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 62 treesize of output 56 [2018-04-10 14:08:11,940 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-04-10 14:08:11,974 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 3 case distinctions, treesize of input 57 treesize of output 71 [2018-04-10 14:08:11,975 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 3 xjuncts. [2018-04-10 14:08:12,007 INFO L267 ElimStorePlain]: Start of recursive call 6: 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-04-10 14:08:12,037 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 41 [2018-04-10 14:08:12,040 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 21 [2018-04-10 14:08:12,040 INFO L267 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2018-04-10 14:08:12,045 INFO L267 ElimStorePlain]: Start of recursive call 9: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-10 14:08:12,055 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 59 treesize of output 46 [2018-04-10 14:08:12,059 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 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 36 treesize of output 34 [2018-04-10 14:08:12,059 INFO L267 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2018-04-10 14:08:12,065 INFO L267 ElimStorePlain]: Start of recursive call 11: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-10 14:08:12,069 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 56 treesize of output 51 [2018-04-10 14:08:12,071 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 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 22 treesize of output 23 [2018-04-10 14:08:12,071 INFO L267 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2018-04-10 14:08:12,077 INFO L267 ElimStorePlain]: Start of recursive call 13: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-10 14:08:12,098 INFO L267 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 4 dim-2 vars, End of recursive call: and 4 xjuncts. [2018-04-10 14:08:12,098 INFO L202 ElimStorePlain]: Needed 14 recursive calls to eliminate 8 variables, input treesize:107, output treesize:66 [2018-04-10 14:08:12,154 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 58 treesize of output 51 [2018-04-10 14:08:12,155 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 14 treesize of output 13 [2018-04-10 14:08:12,155 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-10 14:08:12,161 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-10 14:08:12,188 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 50 treesize of output 57 [2018-04-10 14:08:12,190 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 51 treesize of output 50 [2018-04-10 14:08:12,190 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-10 14:08:12,212 INFO L267 ElimStorePlain]: Start of recursive call 4: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-10 14:08:12,247 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 7 case distinctions, treesize of input 66 treesize of output 86 [2018-04-10 14:08:12,251 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 62 treesize of output 78 [2018-04-10 14:08:12,251 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-04-10 14:08:12,299 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 59 treesize of output 58 [2018-04-10 14:08:12,299 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2018-04-10 14:08:12,321 INFO L267 ElimStorePlain]: Start of recursive call 6: 4 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-10 14:08:12,344 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 58 treesize of output 74 [2018-04-10 14:08:12,347 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 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 56 treesize of output 61 [2018-04-10 14:08:12,347 INFO L267 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2018-04-10 14:08:12,365 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 51 treesize of output 50 [2018-04-10 14:08:12,365 INFO L267 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2018-04-10 14:08:12,373 INFO L267 ElimStorePlain]: Start of recursive call 9: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-10 14:08:12,385 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 4 dim-2 vars, End of recursive call: 2 dim-0 vars, and 2 xjuncts. [2018-04-10 14:08:12,385 INFO L202 ElimStorePlain]: Needed 11 recursive calls to eliminate 5 variables, input treesize:125, output treesize:93 [2018-04-10 14:08:12,533 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 82 treesize of output 79 [2018-04-10 14:08:12,547 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 4 case distinctions, treesize of input 64 treesize of output 74 [2018-04-10 14:08:12,547 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 4 xjuncts. [2018-04-10 14:08:12,606 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 69 treesize of output 84 [2018-04-10 14:08:12,607 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 2 xjuncts. [2018-04-10 14:08:12,648 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 4 xjuncts. [2018-04-10 14:08:12,715 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 57 treesize of output 46 [2018-04-10 14:08:12,722 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 32 treesize of output 30 [2018-04-10 14:08:12,722 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 2 xjuncts. [2018-04-10 14:08:12,731 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-10 14:08:12,740 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 70 treesize of output 76 [2018-04-10 14:08:12,748 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 3 case distinctions, treesize of input 58 treesize of output 62 [2018-04-10 14:08:12,748 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 2 xjuncts. [2018-04-10 14:08:12,777 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 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 57 treesize of output 49 [2018-04-10 14:08:12,778 INFO L267 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2018-04-10 14:08:12,794 INFO L267 ElimStorePlain]: Start of recursive call 7: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-10 14:08:12,796 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 48 treesize of output 37 [2018-04-10 14:08:12,797 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 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 32 treesize of output 24 [2018-04-10 14:08:12,798 INFO L267 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2018-04-10 14:08:12,801 INFO L267 ElimStorePlain]: Start of recursive call 10: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-10 14:08:12,813 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 74 treesize of output 82 [2018-04-10 14:08:12,821 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 69 treesize of output 84 [2018-04-10 14:08:12,821 INFO L267 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 2 xjuncts. [2018-04-10 14:08:12,868 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 5 case distinctions, treesize of input 64 treesize of output 89 [2018-04-10 14:08:12,868 INFO L267 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 4 xjuncts. [2018-04-10 14:08:12,910 INFO L267 ElimStorePlain]: Start of recursive call 12: 2 dim-1 vars, End of recursive call: and 5 xjuncts. [2018-04-10 14:08:13,002 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 162 treesize of output 139 [2018-04-10 14:08:13,020 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 169 treesize of output 200 [2018-04-10 14:08:13,020 INFO L267 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 2 xjuncts. [2018-04-10 14:08:13,323 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 6 case distinctions, treesize of input 105 treesize of output 101 [2018-04-10 14:08:13,324 INFO L267 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 8 xjuncts. [2018-04-10 14:08:13,836 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 4 case distinctions, treesize of input 114 treesize of output 155 [2018-04-10 14:08:13,837 INFO L267 ElimStorePlain]: Start of recursive call 18: End of recursive call: and 4 xjuncts. [2018-04-10 14:08:14,272 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 120 treesize of output 128 [2018-04-10 14:08:14,273 INFO L267 ElimStorePlain]: Start of recursive call 19: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 4 xjuncts. [2018-04-10 14:08:14,747 INFO L267 ElimStorePlain]: Start of recursive call 20: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-10 14:08:15,133 INFO L267 ElimStorePlain]: Start of recursive call 15: 5 dim-1 vars, End of recursive call: 2 dim-0 vars, and 10 xjuncts. [2018-04-10 14:08:15,691 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 59 treesize of output 46 [2018-04-10 14:08:15,699 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 29 treesize of output 29 [2018-04-10 14:08:15,699 INFO L267 ElimStorePlain]: Start of recursive call 22: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-04-10 14:08:15,713 INFO L267 ElimStorePlain]: Start of recursive call 21: 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-04-10 14:08:15,728 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 4 case distinctions, treesize of input 99 treesize of output 77 [2018-04-10 14:08:15,738 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 63 treesize of output 53 [2018-04-10 14:08:15,739 INFO L267 ElimStorePlain]: Start of recursive call 24: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-04-10 14:08:15,776 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 72 treesize of output 55 [2018-04-10 14:08:15,776 INFO L267 ElimStorePlain]: Start of recursive call 25: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-10 14:08:15,810 INFO L267 ElimStorePlain]: Start of recursive call 23: 2 dim-1 vars, End of recursive call: 2 dim-0 vars, and 4 xjuncts. [2018-04-10 14:08:15,812 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 44 treesize of output 35 [2018-04-10 14:08:15,814 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 7 [2018-04-10 14:08:15,814 INFO L267 ElimStorePlain]: Start of recursive call 27: End of recursive call: and 1 xjuncts. [2018-04-10 14:08:15,817 INFO L267 ElimStorePlain]: Start of recursive call 26: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-10 14:08:15,828 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 117 treesize of output 101 [2018-04-10 14:08:15,837 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 94 treesize of output 92 [2018-04-10 14:08:15,837 INFO L267 ElimStorePlain]: Start of recursive call 29: End of recursive call: and 2 xjuncts. [2018-04-10 14:08:15,882 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 83 treesize of output 99 [2018-04-10 14:08:15,883 INFO L267 ElimStorePlain]: Start of recursive call 30: End of recursive call: and 4 xjuncts. [2018-04-10 14:08:15,935 INFO L267 ElimStorePlain]: Start of recursive call 28: 2 dim-1 vars, End of recursive call: and 6 xjuncts. [2018-04-10 14:08:15,938 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 61 treesize of output 48 [2018-04-10 14:08:15,947 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 27 treesize of output 23 [2018-04-10 14:08:15,948 INFO L267 ElimStorePlain]: Start of recursive call 32: End of recursive call: and 2 xjuncts. [2018-04-10 14:08:15,957 INFO L267 ElimStorePlain]: Start of recursive call 31: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-10 14:08:15,978 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 7 case distinctions, treesize of input 138 treesize of output 126 [2018-04-10 14:08:15,999 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 87 treesize of output 92 [2018-04-10 14:08:16,000 INFO L267 ElimStorePlain]: Start of recursive call 34: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 4 xjuncts. [2018-04-10 14:08:16,164 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 3 case distinctions, treesize of input 110 treesize of output 114 [2018-04-10 14:08:16,165 INFO L267 ElimStorePlain]: Start of recursive call 35: End of recursive call: and 2 xjuncts. [2018-04-10 14:08:16,276 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 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 125 treesize of output 113 [2018-04-10 14:08:16,276 INFO L267 ElimStorePlain]: Start of recursive call 36: End of recursive call: and 1 xjuncts. [2018-04-10 14:08:16,355 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 98 treesize of output 86 [2018-04-10 14:08:16,356 INFO L267 ElimStorePlain]: Start of recursive call 37: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-04-10 14:08:16,411 INFO L267 ElimStorePlain]: Start of recursive call 33: 4 dim-1 vars, End of recursive call: 1 dim-0 vars, and 5 xjuncts. [2018-04-10 14:08:16,424 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 4 case distinctions, treesize of input 147 treesize of output 119 [2018-04-10 14:08:16,446 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 8 case distinctions, treesize of input 93 treesize of output 117 [2018-04-10 14:08:16,448 INFO L267 ElimStorePlain]: Start of recursive call 39: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 8 xjuncts. [2018-04-10 14:08:16,715 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 100 treesize of output 114 [2018-04-10 14:08:16,716 INFO L267 ElimStorePlain]: Start of recursive call 40: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 4 xjuncts. [2018-04-10 14:08:16,950 INFO L267 ElimStorePlain]: Start of recursive call 38: 2 dim-1 vars, End of recursive call: 1 dim-0 vars, and 9 xjuncts. [2018-04-10 14:08:16,960 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 100 treesize of output 84 [2018-04-10 14:08:16,963 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 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 77 treesize of output 57 [2018-04-10 14:08:16,963 INFO L267 ElimStorePlain]: Start of recursive call 42: End of recursive call: and 1 xjuncts. [2018-04-10 14:08:16,991 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 66 treesize of output 62 [2018-04-10 14:08:16,991 INFO L267 ElimStorePlain]: Start of recursive call 43: End of recursive call: and 2 xjuncts. [2018-04-10 14:08:17,014 INFO L267 ElimStorePlain]: Start of recursive call 41: 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-04-10 14:08:17,035 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 7 case distinctions, treesize of input 146 treesize of output 140 [2018-04-10 14:08:17,062 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 8 case distinctions, treesize of input 109 treesize of output 141 [2018-04-10 14:08:17,063 INFO L267 ElimStorePlain]: Start of recursive call 45: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 8 xjuncts. [2018-04-10 14:08:17,307 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 5 case distinctions, treesize of input 116 treesize of output 141 [2018-04-10 14:08:17,308 INFO L267 ElimStorePlain]: Start of recursive call 46: End of recursive call: and 4 xjuncts. [2018-04-10 14:08:17,476 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 133 treesize of output 164 [2018-04-10 14:08:17,476 INFO L267 ElimStorePlain]: Start of recursive call 47: End of recursive call: and 2 xjuncts. [2018-04-10 14:08:17,625 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 116 treesize of output 123 [2018-04-10 14:08:17,627 INFO L267 ElimStorePlain]: Start of recursive call 49: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-10 14:08:17,662 INFO L267 ElimStorePlain]: Start of recursive call 50: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-10 14:08:17,705 INFO L267 ElimStorePlain]: Start of recursive call 51: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-10 14:08:17,743 INFO L267 ElimStorePlain]: Start of recursive call 48: 1 dim-0 vars, 3 dim-1 vars, End of recursive call: 4 dim-0 vars, and 4 xjuncts. [2018-04-10 14:08:17,870 INFO L267 ElimStorePlain]: Start of recursive call 44: 4 dim-1 vars, End of recursive call: 3 dim-0 vars, and 12 xjuncts. [2018-04-10 14:08:17,883 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 4 case distinctions, treesize of input 155 treesize of output 107 [2018-04-10 14:08:17,894 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 106 treesize of output 94 [2018-04-10 14:08:17,895 INFO L267 ElimStorePlain]: Start of recursive call 53: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-04-10 14:08:17,958 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 81 treesize of output 84 [2018-04-10 14:08:17,959 INFO L267 ElimStorePlain]: Start of recursive call 54: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 4 xjuncts. [2018-04-10 14:08:18,004 INFO L267 ElimStorePlain]: Start of recursive call 52: 2 dim-1 vars, End of recursive call: 1 dim-0 vars, and 5 xjuncts. [2018-04-10 14:08:18,352 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 4 dim-2 vars, End of recursive call: 6 dim-0 vars, and 9 xjuncts. [2018-04-10 14:08:18,352 INFO L202 ElimStorePlain]: Needed 54 recursive calls to eliminate 6 variables, input treesize:245, output treesize:577 [2018-04-10 14:08:18,861 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 118 treesize of output 106 [2018-04-10 14:08:18,863 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 86 treesize of output 74 [2018-04-10 14:08:18,864 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-10 14:08:18,960 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 82 treesize of output 83 [2018-04-10 14:08:18,962 INFO L267 ElimStorePlain]: Start of recursive call 4: 2 dim-0 vars, End of recursive call: 2 dim-0 vars, and 6 xjuncts. [2018-04-10 14:08:19,095 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 94 treesize of output 82 [2018-04-10 14:08:19,095 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-10 14:08:19,214 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 82 treesize of output 75 [2018-04-10 14:08:19,215 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-04-10 14:08:19,353 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 82 treesize of output 83 [2018-04-10 14:08:19,354 INFO L267 ElimStorePlain]: Start of recursive call 7: 2 dim-0 vars, End of recursive call: 2 dim-0 vars, and 6 xjuncts. [2018-04-10 14:08:19,504 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 78 treesize of output 79 [2018-04-10 14:08:19,506 INFO L267 ElimStorePlain]: Start of recursive call 8: 2 dim-0 vars, End of recursive call: 2 dim-0 vars, and 6 xjuncts. [2018-04-10 14:08:19,681 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 75 treesize of output 68 [2018-04-10 14:08:19,682 INFO L267 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2018-04-10 14:08:19,824 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 86 treesize of output 77 [2018-04-10 14:08:19,825 INFO L267 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2018-04-10 14:08:19,967 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 77 treesize of output 71 [2018-04-10 14:08:19,968 INFO L267 ElimStorePlain]: Start of recursive call 11: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-04-10 14:08:20,129 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 74 treesize of output 75 [2018-04-10 14:08:20,130 INFO L267 ElimStorePlain]: Start of recursive call 12: 2 dim-0 vars, End of recursive call: 2 dim-0 vars, and 6 xjuncts. [2018-04-10 14:08:20,291 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 74 treesize of output 68 [2018-04-10 14:08:20,291 INFO L267 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 2 xjuncts. [2018-04-10 14:08:20,433 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 90 treesize of output 75 [2018-04-10 14:08:20,433 INFO L267 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2018-04-10 14:08:20,568 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 75 treesize of output 72 [2018-04-10 14:08:20,569 INFO L267 ElimStorePlain]: Start of recursive call 15: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-04-10 14:08:20,715 INFO L267 ElimStorePlain]: Start of recursive call 2: 13 dim-1 vars, End of recursive call: 12 dim-0 vars, and 15 xjuncts. [2018-04-10 14:08:20,927 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 118 treesize of output 109 [2018-04-10 14:08:20,930 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 96 treesize of output 86 [2018-04-10 14:08:20,930 INFO L267 ElimStorePlain]: Start of recursive call 17: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-10 14:08:21,006 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 86 treesize of output 73 [2018-04-10 14:08:21,006 INFO L267 ElimStorePlain]: Start of recursive call 18: End of recursive call: and 1 xjuncts. [2018-04-10 14:08:21,085 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 1 case distinctions, treesize of input 90 treesize of output 76 [2018-04-10 14:08:21,085 INFO L267 ElimStorePlain]: Start of recursive call 19: End of recursive call: and 2 xjuncts. [2018-04-10 14:08:21,179 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 3 case distinctions, treesize of input 80 treesize of output 72 [2018-04-10 14:08:21,247 INFO L267 ElimStorePlain]: Start of recursive call 20: 2 dim-0 vars, End of recursive call: 2 dim-0 vars, and 8 xjuncts. [2018-04-10 14:08:21,385 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 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 86 treesize of output 65 [2018-04-10 14:08:21,385 INFO L267 ElimStorePlain]: Start of recursive call 21: End of recursive call: and 1 xjuncts. [2018-04-10 14:08:21,529 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 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 73 treesize of output 52 [2018-04-10 14:08:21,529 INFO L267 ElimStorePlain]: Start of recursive call 22: End of recursive call: and 1 xjuncts. [2018-04-10 14:08:21,646 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 72 treesize of output 64 [2018-04-10 14:08:21,646 INFO L267 ElimStorePlain]: Start of recursive call 23: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-10 14:08:21,647 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 51 [2018-04-10 14:08:21,647 INFO L267 ElimStorePlain]: Start of recursive call 24: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-10 14:08:21,763 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 1 new quantified variables, introduced 1 case distinctions, treesize of input 65 treesize of output 52 [2018-04-10 14:08:21,763 INFO L267 ElimStorePlain]: Start of recursive call 25: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-04-10 14:08:21,892 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 90 treesize of output 75 [2018-04-10 14:08:21,893 INFO L267 ElimStorePlain]: Start of recursive call 26: End of recursive call: and 1 xjuncts. [2018-04-10 14:08:22,012 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 75 treesize of output 56 [2018-04-10 14:08:22,013 INFO L267 ElimStorePlain]: Start of recursive call 27: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-10 14:08:22,137 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 3 case distinctions, treesize of input 84 treesize of output 76 [2018-04-10 14:08:22,138 INFO L267 ElimStorePlain]: Start of recursive call 28: 2 dim-0 vars, End of recursive call: 2 dim-0 vars, and 8 xjuncts. [2018-04-10 14:08:22,285 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 3 case distinctions, treesize of input 80 treesize of output 72 [2018-04-10 14:08:22,285 INFO L267 ElimStorePlain]: Start of recursive call 29: 2 dim-0 vars, End of recursive call: 2 dim-0 vars, and 8 xjuncts. [2018-04-10 14:08:22,459 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 3 case distinctions, treesize of input 86 treesize of output 76 [2018-04-10 14:08:22,460 INFO L267 ElimStorePlain]: Start of recursive call 30: 2 dim-0 vars, End of recursive call: 2 dim-0 vars, and 8 xjuncts. [2018-04-10 14:08:22,634 INFO L267 ElimStorePlain]: Start of recursive call 16: 13 dim-1 vars, End of recursive call: 13 dim-0 vars, and 16 xjuncts. [2018-04-10 14:08:23,093 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 78 treesize of output 73 [2018-04-10 14:08:23,095 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 66 treesize of output 58 [2018-04-10 14:08:23,095 INFO L267 ElimStorePlain]: Start of recursive call 32: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-10 14:08:23,110 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 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 58 treesize of output 43 [2018-04-10 14:08:23,111 INFO L267 ElimStorePlain]: Start of recursive call 33: End of recursive call: and 1 xjuncts. [2018-04-10 14:08:23,135 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 1 new quantified variables, introduced 1 case distinctions, treesize of input 60 treesize of output 51 [2018-04-10 14:08:23,135 INFO L267 ElimStorePlain]: Start of recursive call 34: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-04-10 14:08:23,153 INFO L267 ElimStorePlain]: Start of recursive call 31: 3 dim-1 vars, End of recursive call: 2 dim-0 vars, and 3 xjuncts. [2018-04-10 14:08:23,678 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 51 treesize of output 47 [2018-04-10 14:08:23,679 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 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 43 treesize of output 32 [2018-04-10 14:08:23,680 INFO L267 ElimStorePlain]: Start of recursive call 36: End of recursive call: and 1 xjuncts. [2018-04-10 14:08:23,695 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 30 [2018-04-10 14:08:23,696 INFO L267 ElimStorePlain]: Start of recursive call 37: End of recursive call: and 1 xjuncts. [2018-04-10 14:08:23,710 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 26 treesize of output 21 [2018-04-10 14:08:23,711 INFO L267 ElimStorePlain]: Start of recursive call 38: End of recursive call: and 1 xjuncts. [2018-04-10 14:08:23,725 INFO L700 Elim1Store]: detected not equals via solver [2018-04-10 14:08:23,726 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 29 [2018-04-10 14:08:23,726 INFO L267 ElimStorePlain]: Start of recursive call 39: End of recursive call: and 1 xjuncts. [2018-04-10 14:08:23,742 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 25 [2018-04-10 14:08:23,742 INFO L267 ElimStorePlain]: Start of recursive call 40: End of recursive call: and 1 xjuncts. [2018-04-10 14:08:23,748 INFO L267 ElimStorePlain]: Start of recursive call 35: 5 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-10 14:08:23,758 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 60 treesize of output 68 [2018-04-10 14:08:23,760 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 56 treesize of output 47 [2018-04-10 14:08:23,761 INFO L267 ElimStorePlain]: Start of recursive call 42: End of recursive call: and 1 xjuncts. [2018-04-10 14:08:23,832 INFO L700 Elim1Store]: detected not equals via solver [2018-04-10 14:08:23,833 INFO L700 Elim1Store]: detected not equals via solver [2018-04-10 14:08:23,834 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 25 [2018-04-10 14:08:23,834 INFO L267 ElimStorePlain]: Start of recursive call 43: End of recursive call: and 1 xjuncts. [2018-04-10 14:08:23,871 INFO L267 ElimStorePlain]: Start of recursive call 41: 13 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-10 14:08:23,881 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 60 treesize of output 68 [2018-04-10 14:08:23,883 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 41 [2018-04-10 14:08:23,884 INFO L267 ElimStorePlain]: Start of recursive call 45: End of recursive call: and 1 xjuncts. [2018-04-10 14:08:23,959 INFO L700 Elim1Store]: detected not equals via solver [2018-04-10 14:08:23,959 INFO L700 Elim1Store]: detected not equals via solver [2018-04-10 14:08:23,960 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 25 [2018-04-10 14:08:23,961 INFO L267 ElimStorePlain]: Start of recursive call 46: End of recursive call: and 1 xjuncts. [2018-04-10 14:08:23,991 INFO L267 ElimStorePlain]: Start of recursive call 44: 13 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-10 14:08:23,999 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 59 treesize of output 61 [2018-04-10 14:08:24,001 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 53 treesize of output 42 [2018-04-10 14:08:24,001 INFO L267 ElimStorePlain]: Start of recursive call 48: End of recursive call: and 1 xjuncts. [2018-04-10 14:08:24,036 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 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 42 treesize of output 37 [2018-04-10 14:08:24,036 INFO L267 ElimStorePlain]: Start of recursive call 49: End of recursive call: and 1 xjuncts. [2018-04-10 14:08:24,073 INFO L700 Elim1Store]: detected not equals via solver [2018-04-10 14:08:24,073 INFO L700 Elim1Store]: detected not equals via solver [2018-04-10 14:08:24,074 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 32 [2018-04-10 14:08:24,074 INFO L267 ElimStorePlain]: Start of recursive call 50: End of recursive call: and 1 xjuncts. [2018-04-10 14:08:24,103 INFO L267 ElimStorePlain]: Start of recursive call 47: 8 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-10 14:08:24,107 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 44 treesize of output 40 [2018-04-10 14:08:24,116 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 30 [2018-04-10 14:08:24,116 INFO L267 ElimStorePlain]: Start of recursive call 52: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-10 14:08:24,155 INFO L700 Elim1Store]: detected not equals via solver [2018-04-10 14:08:24,156 INFO L700 Elim1Store]: detected not equals via solver [2018-04-10 14:08:24,159 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 25 [2018-04-10 14:08:24,160 INFO L267 ElimStorePlain]: Start of recursive call 53: End of recursive call: and 1 xjuncts. [2018-04-10 14:08:24,169 INFO L267 ElimStorePlain]: Start of recursive call 51: 3 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-10 14:08:24,175 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 56 treesize of output 50 [2018-04-10 14:08:24,176 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 42 treesize of output 33 [2018-04-10 14:08:24,177 INFO L267 ElimStorePlain]: Start of recursive call 55: End of recursive call: and 1 xjuncts. [2018-04-10 14:08:24,193 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 25 [2018-04-10 14:08:24,193 INFO L267 ElimStorePlain]: Start of recursive call 56: End of recursive call: and 1 xjuncts. [2018-04-10 14:08:24,206 INFO L267 ElimStorePlain]: Start of recursive call 54: 5 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-10 14:08:24,216 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 55 treesize of output 65 [2018-04-10 14:08:24,218 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 41 [2018-04-10 14:08:24,218 INFO L267 ElimStorePlain]: Start of recursive call 58: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-10 14:08:24,289 INFO L700 Elim1Store]: detected not equals via solver [2018-04-10 14:08:24,290 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 33 [2018-04-10 14:08:24,290 INFO L267 ElimStorePlain]: Start of recursive call 59: End of recursive call: and 1 xjuncts. [2018-04-10 14:08:24,355 INFO L700 Elim1Store]: detected not equals via solver [2018-04-10 14:08:24,356 INFO L700 Elim1Store]: detected not equals via solver [2018-04-10 14:08:24,356 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 32 [2018-04-10 14:08:24,357 INFO L267 ElimStorePlain]: Start of recursive call 60: End of recursive call: and 1 xjuncts. [2018-04-10 14:08:24,426 INFO L700 Elim1Store]: detected not equals via solver [2018-04-10 14:08:24,427 INFO L700 Elim1Store]: detected not equals via solver [2018-04-10 14:08:24,428 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 32 [2018-04-10 14:08:24,428 INFO L267 ElimStorePlain]: Start of recursive call 61: End of recursive call: and 1 xjuncts. [2018-04-10 14:08:24,474 INFO L700 Elim1Store]: detected not equals via solver [2018-04-10 14:08:24,475 INFO L700 Elim1Store]: detected not equals via solver [2018-04-10 14:08:24,476 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 28 [2018-04-10 14:08:24,476 INFO L267 ElimStorePlain]: Start of recursive call 62: End of recursive call: and 1 xjuncts. [2018-04-10 14:08:24,494 INFO L267 ElimStorePlain]: Start of recursive call 57: 13 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-10 14:08:24,502 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 64 treesize of output 64 [2018-04-10 14:08:24,504 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 41 [2018-04-10 14:08:24,505 INFO L267 ElimStorePlain]: Start of recursive call 64: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-10 14:08:24,542 INFO L700 Elim1Store]: detected not equals via solver [2018-04-10 14:08:24,542 INFO L700 Elim1Store]: detected not equals via solver [2018-04-10 14:08:24,543 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 29 [2018-04-10 14:08:24,544 INFO L267 ElimStorePlain]: Start of recursive call 65: End of recursive call: and 1 xjuncts. [2018-04-10 14:08:24,575 INFO L267 ElimStorePlain]: Start of recursive call 63: 8 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-10 14:08:24,590 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 59 treesize of output 61 [2018-04-10 14:08:24,592 INFO L700 Elim1Store]: detected not equals via solver [2018-04-10 14:08:24,593 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 32 [2018-04-10 14:08:24,593 INFO L267 ElimStorePlain]: Start of recursive call 67: End of recursive call: and 1 xjuncts. [2018-04-10 14:08:24,628 INFO L267 ElimStorePlain]: Start of recursive call 66: 8 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-10 14:08:24,640 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 55 treesize of output 65 [2018-04-10 14:08:24,643 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 38 [2018-04-10 14:08:24,643 INFO L267 ElimStorePlain]: Start of recursive call 69: End of recursive call: and 1 xjuncts. [2018-04-10 14:08:24,723 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 53 treesize of output 44 [2018-04-10 14:08:24,724 INFO L267 ElimStorePlain]: Start of recursive call 70: End of recursive call: and 1 xjuncts. [2018-04-10 14:08:24,791 INFO L700 Elim1Store]: detected not equals via solver [2018-04-10 14:08:24,791 INFO L700 Elim1Store]: detected not equals via solver [2018-04-10 14:08:24,792 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 32 [2018-04-10 14:08:24,792 INFO L267 ElimStorePlain]: Start of recursive call 71: End of recursive call: and 1 xjuncts. [2018-04-10 14:08:24,827 INFO L700 Elim1Store]: detected not equals via solver [2018-04-10 14:08:24,827 INFO L700 Elim1Store]: detected not equals via solver [2018-04-10 14:08:24,828 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 32 [2018-04-10 14:08:24,828 INFO L267 ElimStorePlain]: Start of recursive call 72: End of recursive call: and 1 xjuncts. [2018-04-10 14:08:24,939 INFO L700 Elim1Store]: detected not equals via solver [2018-04-10 14:08:24,939 INFO L700 Elim1Store]: detected not equals via solver [2018-04-10 14:08:24,940 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 28 [2018-04-10 14:08:24,940 INFO L267 ElimStorePlain]: Start of recursive call 73: End of recursive call: and 1 xjuncts. [2018-04-10 14:08:24,946 INFO L267 ElimStorePlain]: Start of recursive call 68: 13 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-10 14:08:24,951 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 64 treesize of output 54 [2018-04-10 14:08:24,953 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 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 50 treesize of output 41 [2018-04-10 14:08:24,953 INFO L267 ElimStorePlain]: Start of recursive call 75: End of recursive call: and 1 xjuncts. [2018-04-10 14:08:24,967 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 30 [2018-04-10 14:08:24,967 INFO L267 ElimStorePlain]: Start of recursive call 76: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-10 14:08:24,981 INFO L700 Elim1Store]: detected not equals via solver [2018-04-10 14:08:24,982 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 22 [2018-04-10 14:08:24,982 INFO L267 ElimStorePlain]: Start of recursive call 77: End of recursive call: and 1 xjuncts. [2018-04-10 14:08:24,994 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 30 [2018-04-10 14:08:24,995 INFO L267 ElimStorePlain]: Start of recursive call 78: End of recursive call: and 1 xjuncts. [2018-04-10 14:08:25,011 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 26 [2018-04-10 14:08:25,012 INFO L267 ElimStorePlain]: Start of recursive call 79: End of recursive call: and 1 xjuncts. [2018-04-10 14:08:25,019 INFO L267 ElimStorePlain]: Start of recursive call 74: 5 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-10 14:08:25,031 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 48 treesize of output 58 [2018-04-10 14:08:25,033 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 46 treesize of output 37 [2018-04-10 14:08:25,034 INFO L267 ElimStorePlain]: Start of recursive call 81: End of recursive call: and 1 xjuncts. [2018-04-10 14:08:25,113 INFO L700 Elim1Store]: detected not equals via solver [2018-04-10 14:08:25,114 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 26 [2018-04-10 14:08:25,114 INFO L267 ElimStorePlain]: Start of recursive call 82: End of recursive call: and 1 xjuncts. [2018-04-10 14:08:25,162 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 22 [2018-04-10 14:08:25,162 INFO L267 ElimStorePlain]: Start of recursive call 83: End of recursive call: and 1 xjuncts. [2018-04-10 14:08:25,272 INFO L700 Elim1Store]: detected not equals via solver [2018-04-10 14:08:25,273 INFO L700 Elim1Store]: detected not equals via solver [2018-04-10 14:08:25,273 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 29 [2018-04-10 14:08:25,274 INFO L267 ElimStorePlain]: Start of recursive call 84: End of recursive call: and 1 xjuncts. [2018-04-10 14:08:25,302 INFO L700 Elim1Store]: detected not equals via solver [2018-04-10 14:08:25,303 INFO L700 Elim1Store]: detected not equals via solver [2018-04-10 14:08:25,303 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 29 [2018-04-10 14:08:25,304 INFO L267 ElimStorePlain]: Start of recursive call 85: End of recursive call: and 1 xjuncts. [2018-04-10 14:08:25,323 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 38 treesize of output 29 [2018-04-10 14:08:25,323 INFO L267 ElimStorePlain]: Start of recursive call 86: End of recursive call: and 1 xjuncts. [2018-04-10 14:08:25,374 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 25 [2018-04-10 14:08:25,374 INFO L267 ElimStorePlain]: Start of recursive call 87: End of recursive call: and 1 xjuncts. [2018-04-10 14:08:25,394 INFO L700 Elim1Store]: detected not equals via solver [2018-04-10 14:08:25,394 INFO L700 Elim1Store]: detected not equals via solver [2018-04-10 14:08:25,395 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 25 [2018-04-10 14:08:25,395 INFO L267 ElimStorePlain]: Start of recursive call 88: End of recursive call: and 1 xjuncts. [2018-04-10 14:08:25,401 INFO L267 ElimStorePlain]: Start of recursive call 80: 13 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-10 14:08:25,403 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 40 [2018-04-10 14:08:25,404 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 9 treesize of output 1 [2018-04-10 14:08:25,404 INFO L267 ElimStorePlain]: Start of recursive call 90: End of recursive call: and 1 xjuncts. [2018-04-10 14:08:25,410 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2018-04-10 14:08:25,410 INFO L267 ElimStorePlain]: Start of recursive call 91: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-10 14:08:25,415 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 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 5 treesize of output 1 [2018-04-10 14:08:25,415 INFO L267 ElimStorePlain]: Start of recursive call 92: End of recursive call: and 1 xjuncts. [2018-04-10 14:08:25,419 INFO L267 ElimStorePlain]: Start of recursive call 89: 3 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-10 14:08:25,426 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 64 treesize of output 64 [2018-04-10 14:08:25,428 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 56 treesize of output 46 [2018-04-10 14:08:25,429 INFO L267 ElimStorePlain]: Start of recursive call 94: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-10 14:08:25,465 INFO L700 Elim1Store]: detected not equals via solver [2018-04-10 14:08:25,466 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 36 [2018-04-10 14:08:25,466 INFO L267 ElimStorePlain]: Start of recursive call 95: End of recursive call: and 1 xjuncts. [2018-04-10 14:08:25,496 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 46 treesize of output 39 [2018-04-10 14:08:25,496 INFO L267 ElimStorePlain]: Start of recursive call 96: End of recursive call: and 1 xjuncts. [2018-04-10 14:08:25,525 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 34 [2018-04-10 14:08:25,525 INFO L267 ElimStorePlain]: Start of recursive call 97: End of recursive call: and 1 xjuncts. [2018-04-10 14:08:25,553 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 30 [2018-04-10 14:08:25,554 INFO L267 ElimStorePlain]: Start of recursive call 98: End of recursive call: and 1 xjuncts. [2018-04-10 14:08:25,573 INFO L700 Elim1Store]: detected not equals via solver [2018-04-10 14:08:25,573 INFO L700 Elim1Store]: detected not equals via solver [2018-04-10 14:08:25,574 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 29 [2018-04-10 14:08:25,574 INFO L267 ElimStorePlain]: Start of recursive call 99: End of recursive call: and 1 xjuncts. [2018-04-10 14:08:25,585 INFO L267 ElimStorePlain]: Start of recursive call 93: 8 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-10 14:08:25,592 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 48 treesize of output 52 [2018-04-10 14:08:25,594 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 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 40 treesize of output 29 [2018-04-10 14:08:25,594 INFO L267 ElimStorePlain]: Start of recursive call 101: End of recursive call: and 1 xjuncts. [2018-04-10 14:08:25,621 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 34 [2018-04-10 14:08:25,622 INFO L267 ElimStorePlain]: Start of recursive call 102: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-10 14:08:25,648 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 22 [2018-04-10 14:08:25,648 INFO L267 ElimStorePlain]: Start of recursive call 103: End of recursive call: and 1 xjuncts. [2018-04-10 14:08:25,682 INFO L700 Elim1Store]: detected not equals via solver [2018-04-10 14:08:25,683 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 22 [2018-04-10 14:08:25,683 INFO L267 ElimStorePlain]: Start of recursive call 104: End of recursive call: and 1 xjuncts. [2018-04-10 14:08:25,697 INFO L700 Elim1Store]: detected not equals via solver [2018-04-10 14:08:25,697 INFO L700 Elim1Store]: detected not equals via solver [2018-04-10 14:08:25,698 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 29 [2018-04-10 14:08:25,698 INFO L267 ElimStorePlain]: Start of recursive call 105: End of recursive call: and 1 xjuncts. [2018-04-10 14:08:25,709 INFO L267 ElimStorePlain]: Start of recursive call 100: 8 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-10 14:08:25,716 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 44 treesize of output 48 [2018-04-10 14:08:25,717 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 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 36 treesize of output 25 [2018-04-10 14:08:25,717 INFO L267 ElimStorePlain]: Start of recursive call 107: End of recursive call: and 1 xjuncts. [2018-04-10 14:08:25,742 INFO L700 Elim1Store]: detected not equals via solver [2018-04-10 14:08:25,742 INFO L700 Elim1Store]: detected not equals via solver [2018-04-10 14:08:25,743 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 29 [2018-04-10 14:08:25,743 INFO L267 ElimStorePlain]: Start of recursive call 108: End of recursive call: and 1 xjuncts. [2018-04-10 14:08:25,783 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 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 40 treesize of output 29 [2018-04-10 14:08:25,783 INFO L267 ElimStorePlain]: Start of recursive call 109: End of recursive call: and 1 xjuncts. [2018-04-10 14:08:25,799 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 27 [2018-04-10 14:08:25,799 INFO L267 ElimStorePlain]: Start of recursive call 110: End of recursive call: and 1 xjuncts. [2018-04-10 14:08:25,814 INFO L700 Elim1Store]: detected not equals via solver [2018-04-10 14:08:25,815 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 26 [2018-04-10 14:08:25,815 INFO L267 ElimStorePlain]: Start of recursive call 111: End of recursive call: and 1 xjuncts. [2018-04-10 14:08:25,828 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 23 treesize of output 18 [2018-04-10 14:08:25,829 INFO L267 ElimStorePlain]: Start of recursive call 112: End of recursive call: and 1 xjuncts. [2018-04-10 14:08:25,841 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 22 [2018-04-10 14:08:25,841 INFO L267 ElimStorePlain]: Start of recursive call 113: End of recursive call: and 1 xjuncts. [2018-04-10 14:08:25,848 INFO L267 ElimStorePlain]: Start of recursive call 106: 8 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-10 14:08:26,100 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 37 [2018-04-10 14:08:26,102 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 23 [2018-04-10 14:08:26,102 INFO L267 ElimStorePlain]: Start of recursive call 115: End of recursive call: and 1 xjuncts. [2018-04-10 14:08:26,111 INFO L267 ElimStorePlain]: Start of recursive call 114: 3 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-10 14:08:26,115 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 47 treesize of output 43 [2018-04-10 14:08:26,116 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 31 [2018-04-10 14:08:26,116 INFO L267 ElimStorePlain]: Start of recursive call 117: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-10 14:08:26,129 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 23 [2018-04-10 14:08:26,130 INFO L267 ElimStorePlain]: Start of recursive call 118: End of recursive call: and 1 xjuncts. [2018-04-10 14:08:26,137 INFO L267 ElimStorePlain]: Start of recursive call 116: 3 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-10 14:08:26,139 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 33 [2018-04-10 14:08:26,140 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 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 15 treesize of output 3 [2018-04-10 14:08:26,140 INFO L267 ElimStorePlain]: Start of recursive call 120: End of recursive call: and 1 xjuncts. [2018-04-10 14:08:26,144 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2018-04-10 14:08:26,145 INFO L267 ElimStorePlain]: Start of recursive call 121: End of recursive call: and 1 xjuncts. [2018-04-10 14:08:26,147 INFO L267 ElimStorePlain]: Start of recursive call 119: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-10 14:08:26,341 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 70 treesize of output 65 [2018-04-10 14:08:26,345 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 52 treesize of output 43 [2018-04-10 14:08:26,371 INFO L267 ElimStorePlain]: Start of recursive call 123: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-04-10 14:08:26,387 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 58 treesize of output 43 [2018-04-10 14:08:26,387 INFO L267 ElimStorePlain]: Start of recursive call 124: End of recursive call: and 1 xjuncts. [2018-04-10 14:08:26,402 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 35 [2018-04-10 14:08:26,402 INFO L267 ElimStorePlain]: Start of recursive call 125: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-10 14:08:26,415 INFO L267 ElimStorePlain]: Start of recursive call 122: 3 dim-1 vars, End of recursive call: 2 dim-0 vars, and 3 xjuncts. [2018-04-10 14:08:26,608 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 37 [2018-04-10 14:08:26,609 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 27 [2018-04-10 14:08:26,610 INFO L267 ElimStorePlain]: Start of recursive call 127: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-10 14:08:26,628 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2018-04-10 14:08:26,628 INFO L267 ElimStorePlain]: Start of recursive call 128: End of recursive call: and 1 xjuncts. [2018-04-10 14:08:26,635 INFO L267 ElimStorePlain]: Start of recursive call 126: 3 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-10 14:08:26,636 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 27 [2018-04-10 14:08:26,637 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 14:08:26,637 INFO L267 ElimStorePlain]: Start of recursive call 130: End of recursive call: and 1 xjuncts. [2018-04-10 14:08:26,643 INFO L267 ElimStorePlain]: Start of recursive call 129: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-10 14:08:26,829 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 68 treesize of output 71 [2018-04-10 14:08:26,831 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 7 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 56 treesize of output 43 [2018-04-10 14:08:26,831 INFO L267 ElimStorePlain]: Start of recursive call 132: End of recursive call: and 1 xjuncts. [2018-04-10 14:08:26,865 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 5 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 48 [2018-04-10 14:08:26,866 INFO L267 ElimStorePlain]: Start of recursive call 133: End of recursive call: and 1 xjuncts. [2018-04-10 14:08:26,900 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 35 [2018-04-10 14:08:26,900 INFO L267 ElimStorePlain]: Start of recursive call 134: End of recursive call: and 1 xjuncts. [2018-04-10 14:08:26,924 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 22 [2018-04-10 14:08:26,924 INFO L267 ElimStorePlain]: Start of recursive call 135: End of recursive call: and 1 xjuncts. [2018-04-10 14:08:26,957 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 26 [2018-04-10 14:08:26,958 INFO L267 ElimStorePlain]: Start of recursive call 136: End of recursive call: and 1 xjuncts. [2018-04-10 14:08:26,970 INFO L267 ElimStorePlain]: Start of recursive call 131: 8 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-10 14:08:26,975 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 1 case distinctions, treesize of input 60 treesize of output 53 [2018-04-10 14:08:26,979 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 1 case distinctions, treesize of input 40 treesize of output 30 [2018-04-10 14:08:26,979 INFO L267 ElimStorePlain]: Start of recursive call 138: End of recursive call: and 2 xjuncts. [2018-04-10 14:08:26,998 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 22 [2018-04-10 14:08:26,998 INFO L267 ElimStorePlain]: Start of recursive call 139: End of recursive call: and 1 xjuncts. [2018-04-10 14:08:26,999 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 21 [2018-04-10 14:08:26,999 INFO L267 ElimStorePlain]: Start of recursive call 140: End of recursive call: and 1 xjuncts. [2018-04-10 14:08:27,013 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 42 treesize of output 37 [2018-04-10 14:08:27,013 INFO L267 ElimStorePlain]: Start of recursive call 141: End of recursive call: and 1 xjuncts. [2018-04-10 14:08:27,030 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 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 37 treesize of output 28 [2018-04-10 14:08:27,030 INFO L267 ElimStorePlain]: Start of recursive call 142: End of recursive call: and 1 xjuncts. [2018-04-10 14:08:27,044 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 22 [2018-04-10 14:08:27,044 INFO L267 ElimStorePlain]: Start of recursive call 143: End of recursive call: and 1 xjuncts. [2018-04-10 14:08:27,049 INFO L267 ElimStorePlain]: Start of recursive call 137: 5 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-10 14:08:27,051 INFO L700 Elim1Store]: detected not equals via solver [2018-04-10 14:08:27,055 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 1 case distinctions, treesize of input 52 treesize of output 55 [2018-04-10 14:08:27,056 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 48 treesize of output 42 [2018-04-10 14:08:27,056 INFO L267 ElimStorePlain]: Start of recursive call 145: End of recursive call: and 1 xjuncts. [2018-04-10 14:08:27,071 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 24 treesize of output 19 [2018-04-10 14:08:27,071 INFO L267 ElimStorePlain]: Start of recursive call 146: End of recursive call: and 1 xjuncts. [2018-04-10 14:08:27,083 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 38 treesize of output 33 [2018-04-10 14:08:27,083 INFO L267 ElimStorePlain]: Start of recursive call 147: End of recursive call: and 1 xjuncts. [2018-04-10 14:08:27,092 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 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 19 treesize of output 10 [2018-04-10 14:08:27,093 INFO L267 ElimStorePlain]: Start of recursive call 148: End of recursive call: and 1 xjuncts. [2018-04-10 14:08:27,099 INFO L267 ElimStorePlain]: Start of recursive call 144: 5 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-10 14:08:27,108 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 60 treesize of output 63 [2018-04-10 14:08:27,110 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 41 [2018-04-10 14:08:27,111 INFO L267 ElimStorePlain]: Start of recursive call 150: End of recursive call: and 1 xjuncts. [2018-04-10 14:08:27,149 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 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 40 treesize of output 35 [2018-04-10 14:08:27,150 INFO L267 ElimStorePlain]: Start of recursive call 151: End of recursive call: and 1 xjuncts. [2018-04-10 14:08:27,181 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 26 [2018-04-10 14:08:27,181 INFO L267 ElimStorePlain]: Start of recursive call 152: End of recursive call: and 1 xjuncts. [2018-04-10 14:08:27,209 INFO L267 ElimStorePlain]: Start of recursive call 149: 8 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-10 14:08:27,221 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 56 treesize of output 59 [2018-04-10 14:08:27,224 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 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 48 treesize of output 33 [2018-04-10 14:08:27,224 INFO L267 ElimStorePlain]: Start of recursive call 154: End of recursive call: and 1 xjuncts. [2018-04-10 14:08:27,249 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 33 treesize of output 28 [2018-04-10 14:08:27,249 INFO L267 ElimStorePlain]: Start of recursive call 155: End of recursive call: and 1 xjuncts. [2018-04-10 14:08:27,271 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 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 38 treesize of output 29 [2018-04-10 14:08:27,271 INFO L267 ElimStorePlain]: Start of recursive call 156: End of recursive call: and 1 xjuncts. [2018-04-10 14:08:27,292 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 22 [2018-04-10 14:08:27,293 INFO L267 ElimStorePlain]: Start of recursive call 157: End of recursive call: and 1 xjuncts. [2018-04-10 14:08:27,308 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 36 treesize of output 31 [2018-04-10 14:08:27,308 INFO L267 ElimStorePlain]: Start of recursive call 158: End of recursive call: and 1 xjuncts. [2018-04-10 14:08:27,320 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 22 [2018-04-10 14:08:27,320 INFO L267 ElimStorePlain]: Start of recursive call 159: End of recursive call: and 1 xjuncts. [2018-04-10 14:08:27,335 INFO L267 ElimStorePlain]: Start of recursive call 153: 8 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-10 14:08:27,344 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 52 treesize of output 57 [2018-04-10 14:08:27,346 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 38 [2018-04-10 14:08:27,346 INFO L267 ElimStorePlain]: Start of recursive call 161: End of recursive call: and 1 xjuncts. [2018-04-10 14:08:27,401 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 30 [2018-04-10 14:08:27,401 INFO L267 ElimStorePlain]: Start of recursive call 162: End of recursive call: and 2 xjuncts. [2018-04-10 14:08:27,440 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 34 treesize of output 29 [2018-04-10 14:08:27,440 INFO L267 ElimStorePlain]: Start of recursive call 163: End of recursive call: and 1 xjuncts. [2018-04-10 14:08:27,473 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 40 treesize of output 33 [2018-04-10 14:08:27,473 INFO L267 ElimStorePlain]: Start of recursive call 164: End of recursive call: and 1 xjuncts. [2018-04-10 14:08:27,504 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 22 [2018-04-10 14:08:27,504 INFO L267 ElimStorePlain]: Start of recursive call 165: End of recursive call: and 1 xjuncts. [2018-04-10 14:08:27,614 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 22 [2018-04-10 14:08:27,614 INFO L267 ElimStorePlain]: Start of recursive call 166: End of recursive call: and 1 xjuncts. [2018-04-10 14:08:27,633 INFO L267 ElimStorePlain]: Start of recursive call 160: 13 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-10 14:08:27,638 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 1 case distinctions, treesize of input 64 treesize of output 65 [2018-04-10 14:08:27,639 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 52 treesize of output 47 [2018-04-10 14:08:27,640 INFO L267 ElimStorePlain]: Start of recursive call 168: End of recursive call: and 1 xjuncts. [2018-04-10 14:08:27,655 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 22 [2018-04-10 14:08:27,656 INFO L267 ElimStorePlain]: Start of recursive call 169: End of recursive call: and 1 xjuncts. [2018-04-10 14:08:27,668 INFO L267 ElimStorePlain]: Start of recursive call 167: 5 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-10 14:08:27,675 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 67 treesize of output 70 [2018-04-10 14:08:27,677 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 59 treesize of output 51 [2018-04-10 14:08:27,677 INFO L267 ElimStorePlain]: Start of recursive call 171: End of recursive call: and 1 xjuncts. [2018-04-10 14:08:27,709 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 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 33 treesize of output 26 [2018-04-10 14:08:27,710 INFO L267 ElimStorePlain]: Start of recursive call 172: End of recursive call: and 1 xjuncts. [2018-04-10 14:08:27,737 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 34 [2018-04-10 14:08:27,737 INFO L267 ElimStorePlain]: Start of recursive call 173: End of recursive call: and 1 xjuncts. [2018-04-10 14:08:27,766 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 35 treesize of output 33 [2018-04-10 14:08:27,766 INFO L267 ElimStorePlain]: Start of recursive call 174: End of recursive call: and 2 xjuncts. [2018-04-10 14:08:27,795 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 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 26 treesize of output 21 [2018-04-10 14:08:27,796 INFO L267 ElimStorePlain]: Start of recursive call 175: End of recursive call: and 1 xjuncts. [2018-04-10 14:08:27,839 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 32 [2018-04-10 14:08:27,839 INFO L267 ElimStorePlain]: Start of recursive call 176: End of recursive call: and 1 xjuncts. [2018-04-10 14:08:27,858 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 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 24 treesize of output 17 [2018-04-10 14:08:27,858 INFO L267 ElimStorePlain]: Start of recursive call 177: End of recursive call: and 1 xjuncts. [2018-04-10 14:08:27,866 INFO L267 ElimStorePlain]: Start of recursive call 170: 8 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-10 14:08:27,869 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 68 treesize of output 59 [2018-04-10 14:08:27,870 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 19 [2018-04-10 14:08:27,870 INFO L267 ElimStorePlain]: Start of recursive call 179: End of recursive call: and 1 xjuncts. [2018-04-10 14:08:27,874 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 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 19 treesize of output 10 [2018-04-10 14:08:27,875 INFO L267 ElimStorePlain]: Start of recursive call 180: End of recursive call: and 1 xjuncts. [2018-04-10 14:08:27,877 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 5 treesize of output 1 [2018-04-10 14:08:27,878 INFO L267 ElimStorePlain]: Start of recursive call 181: End of recursive call: and 1 xjuncts. [2018-04-10 14:08:27,879 INFO L267 ElimStorePlain]: Start of recursive call 178: 3 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-10 14:08:27,884 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 1 case distinctions, treesize of input 68 treesize of output 61 [2018-04-10 14:08:27,885 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 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 52 treesize of output 47 [2018-04-10 14:08:27,886 INFO L267 ElimStorePlain]: Start of recursive call 183: End of recursive call: and 1 xjuncts. [2018-04-10 14:08:27,900 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 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 41 treesize of output 32 [2018-04-10 14:08:27,901 INFO L267 ElimStorePlain]: Start of recursive call 184: End of recursive call: and 1 xjuncts. [2018-04-10 14:08:27,912 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 26 [2018-04-10 14:08:27,912 INFO L267 ElimStorePlain]: Start of recursive call 185: End of recursive call: and 1 xjuncts. [2018-04-10 14:08:27,921 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 27 [2018-04-10 14:08:27,921 INFO L267 ElimStorePlain]: Start of recursive call 186: End of recursive call: and 1 xjuncts. [2018-04-10 14:08:27,928 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 17 treesize of output 10 [2018-04-10 14:08:27,928 INFO L267 ElimStorePlain]: Start of recursive call 187: End of recursive call: and 1 xjuncts. [2018-04-10 14:08:27,931 INFO L267 ElimStorePlain]: Start of recursive call 182: 5 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-10 14:08:27,939 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 67 treesize of output 62 [2018-04-10 14:08:27,947 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 5 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 45 [2018-04-10 14:08:27,948 INFO L267 ElimStorePlain]: Start of recursive call 189: End of recursive call: and 1 xjuncts. [2018-04-10 14:08:27,988 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 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 33 treesize of output 26 [2018-04-10 14:08:27,988 INFO L267 ElimStorePlain]: Start of recursive call 190: End of recursive call: and 1 xjuncts. [2018-04-10 14:08:28,017 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 36 [2018-04-10 14:08:28,017 INFO L267 ElimStorePlain]: Start of recursive call 191: End of recursive call: and 1 xjuncts. [2018-04-10 14:08:28,041 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 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 24 treesize of output 17 [2018-04-10 14:08:28,042 INFO L267 ElimStorePlain]: Start of recursive call 192: End of recursive call: and 1 xjuncts. [2018-04-10 14:08:28,063 INFO L267 ElimStorePlain]: Start of recursive call 188: 8 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-10 14:08:28,072 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 60 treesize of output 65 [2018-04-10 14:08:28,075 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 42 [2018-04-10 14:08:28,075 INFO L267 ElimStorePlain]: Start of recursive call 194: End of recursive call: and 1 xjuncts. [2018-04-10 14:08:28,140 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 37 [2018-04-10 14:08:28,140 INFO L267 ElimStorePlain]: Start of recursive call 195: End of recursive call: and 1 xjuncts. [2018-04-10 14:08:28,199 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 22 [2018-04-10 14:08:28,199 INFO L267 ElimStorePlain]: Start of recursive call 196: End of recursive call: and 1 xjuncts. [2018-04-10 14:08:28,242 INFO L267 ElimStorePlain]: Start of recursive call 193: 13 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-10 14:08:28,253 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 68 treesize of output 63 [2018-04-10 14:08:28,255 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 42 [2018-04-10 14:08:28,255 INFO L267 ElimStorePlain]: Start of recursive call 198: End of recursive call: and 1 xjuncts. [2018-04-10 14:08:28,287 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 37 [2018-04-10 14:08:28,288 INFO L267 ElimStorePlain]: Start of recursive call 199: End of recursive call: and 1 xjuncts. [2018-04-10 14:08:28,319 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 22 [2018-04-10 14:08:28,319 INFO L267 ElimStorePlain]: Start of recursive call 200: End of recursive call: and 1 xjuncts. [2018-04-10 14:08:28,352 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 26 [2018-04-10 14:08:28,353 INFO L267 ElimStorePlain]: Start of recursive call 201: End of recursive call: and 1 xjuncts. [2018-04-10 14:08:28,370 INFO L267 ElimStorePlain]: Start of recursive call 197: 8 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-10 14:08:28,381 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 59 treesize of output 64 [2018-04-10 14:08:28,383 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 5 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 45 [2018-04-10 14:08:28,383 INFO L267 ElimStorePlain]: Start of recursive call 203: End of recursive call: and 1 xjuncts. [2018-04-10 14:08:28,446 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 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 33 treesize of output 28 [2018-04-10 14:08:28,447 INFO L267 ElimStorePlain]: Start of recursive call 204: End of recursive call: and 1 xjuncts. [2018-04-10 14:08:28,507 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 35 treesize of output 33 [2018-04-10 14:08:28,507 INFO L267 ElimStorePlain]: Start of recursive call 205: End of recursive call: and 2 xjuncts. [2018-04-10 14:08:28,564 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 31 treesize of output 29 [2018-04-10 14:08:28,564 INFO L267 ElimStorePlain]: Start of recursive call 206: End of recursive call: and 2 xjuncts. [2018-04-10 14:08:28,599 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 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 28 treesize of output 21 [2018-04-10 14:08:28,600 INFO L267 ElimStorePlain]: Start of recursive call 207: End of recursive call: and 1 xjuncts. [2018-04-10 14:08:28,698 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 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 37 treesize of output 30 [2018-04-10 14:08:28,698 INFO L267 ElimStorePlain]: Start of recursive call 208: End of recursive call: and 1 xjuncts. [2018-04-10 14:08:28,718 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 25 [2018-04-10 14:08:28,718 INFO L267 ElimStorePlain]: Start of recursive call 209: End of recursive call: and 1 xjuncts. [2018-04-10 14:08:28,735 INFO L267 ElimStorePlain]: Start of recursive call 202: 13 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-10 14:08:28,742 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 63 treesize of output 66 [2018-04-10 14:08:28,745 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 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 51 treesize of output 46 [2018-04-10 14:08:28,745 INFO L267 ElimStorePlain]: Start of recursive call 211: End of recursive call: and 1 xjuncts. [2018-04-10 14:08:28,788 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 37 treesize of output 33 [2018-04-10 14:08:28,789 INFO L267 ElimStorePlain]: Start of recursive call 212: End of recursive call: and 2 xjuncts. [2018-04-10 14:08:28,817 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 29 [2018-04-10 14:08:28,817 INFO L267 ElimStorePlain]: Start of recursive call 213: End of recursive call: and 1 xjuncts. [2018-04-10 14:08:28,844 INFO L267 ElimStorePlain]: Start of recursive call 210: 8 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-10 14:08:28,882 INFO L267 ElimStorePlain]: Start of recursive call 1: 8 dim-0 vars, 8 dim-2 vars, End of recursive call: 4 dim-0 vars, and 6 xjuncts. [2018-04-10 14:08:28,883 INFO L202 ElimStorePlain]: Needed 213 recursive calls to eliminate 16 variables, input treesize:393, output treesize:66 [2018-04-10 14:08:28,997 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 3 proven. 40 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 14:08:29,015 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-10 14:08:29,015 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 20] total 38 [2018-04-10 14:08:29,015 INFO L442 AbstractCegarLoop]: Interpolant automaton has 39 states [2018-04-10 14:08:29,015 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 39 interpolants. [2018-04-10 14:08:29,015 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=128, Invalid=1350, Unknown=4, NotChecked=0, Total=1482 [2018-04-10 14:08:29,015 INFO L87 Difference]: Start difference. First operand 414 states and 470 transitions. Second operand 39 states. [2018-04-10 14:08:31,643 WARN L151 SmtUtils]: Spent 100ms on a formula simplification. DAG size of input: 94 DAG size of output 93 [2018-04-10 14:08:31,892 WARN L151 SmtUtils]: Spent 163ms on a formula simplification. DAG size of input: 135 DAG size of output 134 [2018-04-10 14:08:32,548 WARN L151 SmtUtils]: Spent 188ms on a formula simplification. DAG size of input: 141 DAG size of output 136 [2018-04-10 14:08:33,000 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 14:08:33,000 INFO L93 Difference]: Finished difference Result 469 states and 522 transitions. [2018-04-10 14:08:33,001 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2018-04-10 14:08:33,001 INFO L78 Accepts]: Start accepts. Automaton has 39 states. Word has length 87 [2018-04-10 14:08:33,001 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 14:08:33,002 INFO L225 Difference]: With dead ends: 469 [2018-04-10 14:08:33,002 INFO L226 Difference]: Without dead ends: 469 [2018-04-10 14:08:33,002 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 145 GetRequests, 68 SyntacticMatches, 3 SemanticMatches, 74 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1337 ImplicationChecksByTransitivity, 3.7s TimeCoverageRelationStatistics Valid=692, Invalid=5004, Unknown=4, NotChecked=0, Total=5700 [2018-04-10 14:08:33,002 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 469 states. [2018-04-10 14:08:33,004 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 469 to 420. [2018-04-10 14:08:33,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 420 states. [2018-04-10 14:08:33,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 420 states to 420 states and 480 transitions. [2018-04-10 14:08:33,005 INFO L78 Accepts]: Start accepts. Automaton has 420 states and 480 transitions. Word has length 87 [2018-04-10 14:08:33,005 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 14:08:33,005 INFO L459 AbstractCegarLoop]: Abstraction has 420 states and 480 transitions. [2018-04-10 14:08:33,006 INFO L460 AbstractCegarLoop]: Interpolant automaton has 39 states. [2018-04-10 14:08:33,006 INFO L276 IsEmpty]: Start isEmpty. Operand 420 states and 480 transitions. [2018-04-10 14:08:33,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2018-04-10 14:08:33,006 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 14:08:33,006 INFO L355 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-10 14:08:33,007 INFO L408 AbstractCegarLoop]: === Iteration 42 === [mainErr55AssertViolationMEMORY_FREE, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr58AssertViolationMEMORY_FREE, mainErr3RequiresViolation, mainErr60EnsuresViolationMEMORY_LEAK, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr54AssertViolationMEMORY_FREE, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr59AssertViolationMEMORY_FREE, mainErr36RequiresViolation, mainErr51AssertViolationMEMORY_FREE, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr50AssertViolationMEMORY_FREE, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-04-10 14:08:33,007 INFO L82 PathProgramCache]: Analyzing trace with hash -1885910510, now seen corresponding path program 3 times [2018-04-10 14:08:33,007 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-10 14:08:33,007 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-10 14:08:33,008 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-10 14:08:33,008 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-04-10 14:08:33,008 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-10 14:08:33,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 14:08:33,020 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-10 14:08:33,467 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 0 proven. 43 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 14:08:33,467 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-04-10 14:08:33,467 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 29 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 29 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-04-10 14:08:33,479 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST2 [2018-04-10 14:08:33,524 INFO L242 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2018-04-10 14:08:33,524 INFO L243 tOrderPrioritization]: Conjunction of SSA is unsat [2018-04-10 14:08:33,527 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-10 14:08:33,529 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-04-10 14:08:33,529 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-10 14:08:33,531 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-10 14:08:33,531 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2018-04-10 14:08:33,582 INFO L700 Elim1Store]: detected not equals via solver [2018-04-10 14:08:33,582 INFO L700 Elim1Store]: detected not equals via solver [2018-04-10 14:08:33,583 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 4 [2018-04-10 14:08:33,583 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-10 14:08:33,586 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-10 14:08:33,586 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:20, output treesize:14 [2018-04-10 14:08:33,603 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 14:08:33,604 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 14:08:33,604 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-10 14:08:33,608 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-10 14:08:33,616 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 14:08:33,617 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 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 8 treesize of output 7 [2018-04-10 14:08:33,617 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-10 14:08:33,618 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-10 14:08:33,624 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 14:08:33,624 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:41, output treesize:23 [2018-04-10 14:08:33,667 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 14 [2018-04-10 14:08:33,668 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 14 treesize of output 13 [2018-04-10 14:08:33,668 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-10 14:08:33,669 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-10 14:08:33,677 INFO L700 Elim1Store]: detected not equals via solver [2018-04-10 14:08:33,678 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 47 [2018-04-10 14:08:33,680 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 14 treesize of output 13 [2018-04-10 14:08:33,680 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-10 14:08:33,683 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-10 14:08:33,689 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-10 14:08:33,689 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:65, output treesize:49 [2018-04-10 14:08:33,780 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 38 [2018-04-10 14:08:33,786 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 20 treesize of output 39 [2018-04-10 14:08:33,787 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 2 xjuncts. [2018-04-10 14:08:33,796 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-10 14:08:33,818 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 75 treesize of output 70 [2018-04-10 14:08:33,825 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 16 treesize of output 31 [2018-04-10 14:08:33,825 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 2 xjuncts. [2018-04-10 14:08:33,838 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-10 14:08:33,842 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 66 [2018-04-10 14:08:33,844 INFO L682 Elim1Store]: detected equality via solver [2018-04-10 14:08:33,845 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 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 16 treesize of output 17 [2018-04-10 14:08:33,845 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-04-10 14:08:33,851 INFO L267 ElimStorePlain]: Start of recursive call 6: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-10 14:08:33,875 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-04-10 14:08:33,875 INFO L202 ElimStorePlain]: Needed 7 recursive calls to eliminate 3 variables, input treesize:84, output treesize:147 [2018-04-10 14:08:33,932 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-04-10 14:08:33,932 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-10 14:08:33,949 INFO L700 Elim1Store]: detected not equals via solver [2018-04-10 14:08:33,950 INFO L700 Elim1Store]: detected not equals via solver [2018-04-10 14:08:33,950 INFO L700 Elim1Store]: detected not equals via solver [2018-04-10 14:08:33,951 INFO L700 Elim1Store]: detected not equals via solver [2018-04-10 14:08:33,951 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 13 [2018-04-10 14:08:33,951 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-10 14:08:33,962 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-10 14:08:33,962 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:76, output treesize:68 [2018-04-10 14:08:33,998 INFO L682 Elim1Store]: detected equality via solver [2018-04-10 14:08:34,000 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 56 [2018-04-10 14:08:34,002 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 23 [2018-04-10 14:08:34,002 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-10 14:08:34,007 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-10 14:08:34,020 INFO L700 Elim1Store]: detected not equals via solver [2018-04-10 14:08:34,022 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 53 treesize of output 52 [2018-04-10 14:08:34,024 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 19 [2018-04-10 14:08:34,025 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-10 14:08:34,030 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-10 14:08:34,039 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 14:08:34,039 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:87, output treesize:78 [2018-04-10 14:08:34,105 INFO L700 Elim1Store]: detected not equals via solver [2018-04-10 14:08:34,106 INFO L700 Elim1Store]: detected not equals via solver [2018-04-10 14:08:34,107 INFO L700 Elim1Store]: detected not equals via solver [2018-04-10 14:08:34,112 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 110 treesize of output 126 [2018-04-10 14:08:34,114 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 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 14 treesize of output 13 [2018-04-10 14:08:34,114 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-10 14:08:34,125 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-10 14:08:34,138 INFO L700 Elim1Store]: detected not equals via solver [2018-04-10 14:08:34,142 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 69 treesize of output 90 [2018-04-10 14:08:34,143 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 14 treesize of output 13 [2018-04-10 14:08:34,143 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-10 14:08:34,151 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-10 14:08:34,161 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-10 14:08:34,161 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:120, output treesize:96 [2018-04-10 14:08:34,291 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 197 treesize of output 150 [2018-04-10 14:08:34,298 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 32 treesize of output 51 [2018-04-10 14:08:34,298 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 2 xjuncts. [2018-04-10 14:08:34,315 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-10 14:08:34,353 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 181 treesize of output 155 [2018-04-10 14:08:34,360 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 32 treesize of output 51 [2018-04-10 14:08:34,360 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 2 xjuncts. [2018-04-10 14:08:34,375 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-10 14:08:34,381 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 161 treesize of output 135 [2018-04-10 14:08:34,383 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 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 32 treesize of output 25 [2018-04-10 14:08:34,383 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-04-10 14:08:34,392 INFO L267 ElimStorePlain]: Start of recursive call 6: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-10 14:08:34,421 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: 3 dim-0 vars, and 2 xjuncts. [2018-04-10 14:08:34,421 INFO L202 ElimStorePlain]: Needed 7 recursive calls to eliminate 4 variables, input treesize:200, output treesize:287 [2018-04-10 14:08:34,619 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 145 treesize of output 98 [2018-04-10 14:08:34,620 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 56 treesize of output 23 [2018-04-10 14:08:34,621 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-10 14:08:34,628 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 31 [2018-04-10 14:08:34,629 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-10 14:08:34,635 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 5 treesize of output 1 [2018-04-10 14:08:34,636 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-10 14:08:34,641 INFO L267 ElimStorePlain]: Start of recursive call 2: 3 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-10 14:08:34,651 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2018-04-10 14:08:34,652 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 14:08:34,652 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-04-10 14:08:34,658 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 5 treesize of output 1 [2018-04-10 14:08:34,658 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2018-04-10 14:08:34,659 INFO L267 ElimStorePlain]: Start of recursive call 6: 3 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-10 14:08:34,664 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-10 14:08:34,664 INFO L202 ElimStorePlain]: Needed 8 recursive calls to eliminate 5 variables, input treesize:151, output treesize:9 [2018-04-10 14:08:34,722 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 0 proven. 43 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 14:08:34,739 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-10 14:08:34,739 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 23] total 40 [2018-04-10 14:08:34,739 INFO L442 AbstractCegarLoop]: Interpolant automaton has 41 states [2018-04-10 14:08:34,739 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 41 interpolants. [2018-04-10 14:08:34,739 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=148, Invalid=1492, Unknown=0, NotChecked=0, Total=1640 [2018-04-10 14:08:34,739 INFO L87 Difference]: Start difference. First operand 420 states and 480 transitions. Second operand 41 states. [2018-04-10 14:08:36,696 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 14:08:36,696 INFO L93 Difference]: Finished difference Result 459 states and 514 transitions. [2018-04-10 14:08:36,725 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2018-04-10 14:08:36,725 INFO L78 Accepts]: Start accepts. Automaton has 41 states. Word has length 87 [2018-04-10 14:08:36,725 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 14:08:36,726 INFO L225 Difference]: With dead ends: 459 [2018-04-10 14:08:36,726 INFO L226 Difference]: Without dead ends: 459 [2018-04-10 14:08:36,726 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 136 GetRequests, 69 SyntacticMatches, 2 SemanticMatches, 65 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1142 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=489, Invalid=3933, Unknown=0, NotChecked=0, Total=4422 [2018-04-10 14:08:36,726 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 459 states. [2018-04-10 14:08:36,728 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 459 to 424. [2018-04-10 14:08:36,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 424 states. [2018-04-10 14:08:36,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 424 states to 424 states and 485 transitions. [2018-04-10 14:08:36,729 INFO L78 Accepts]: Start accepts. Automaton has 424 states and 485 transitions. Word has length 87 [2018-04-10 14:08:36,729 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 14:08:36,729 INFO L459 AbstractCegarLoop]: Abstraction has 424 states and 485 transitions. [2018-04-10 14:08:36,729 INFO L460 AbstractCegarLoop]: Interpolant automaton has 41 states. [2018-04-10 14:08:36,729 INFO L276 IsEmpty]: Start isEmpty. Operand 424 states and 485 transitions. [2018-04-10 14:08:36,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2018-04-10 14:08:36,730 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 14:08:36,730 INFO L355 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-10 14:08:36,730 INFO L408 AbstractCegarLoop]: === Iteration 43 === [mainErr55AssertViolationMEMORY_FREE, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr58AssertViolationMEMORY_FREE, mainErr3RequiresViolation, mainErr60EnsuresViolationMEMORY_LEAK, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr54AssertViolationMEMORY_FREE, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr59AssertViolationMEMORY_FREE, mainErr36RequiresViolation, mainErr51AssertViolationMEMORY_FREE, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr50AssertViolationMEMORY_FREE, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-04-10 14:08:36,730 INFO L82 PathProgramCache]: Analyzing trace with hash -1810253835, now seen corresponding path program 2 times [2018-04-10 14:08:36,730 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-10 14:08:36,730 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-10 14:08:36,731 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-10 14:08:36,731 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-04-10 14:08:36,731 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-10 14:08:36,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 14:08:36,743 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-10 14:08:37,001 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 0 proven. 35 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 14:08:37,001 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-04-10 14:08:37,001 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 30 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 30 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-04-10 14:08:37,007 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST1 [2018-04-10 14:08:37,029 INFO L242 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2018-04-10 14:08:37,029 INFO L243 tOrderPrioritization]: Conjunction of SSA is unsat [2018-04-10 14:08:37,031 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-10 14:08:37,033 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-04-10 14:08:37,033 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-10 14:08:37,033 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-10 14:08:37,034 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2018-04-10 14:08:37,048 INFO L700 Elim1Store]: detected not equals via solver [2018-04-10 14:08:37,051 INFO L700 Elim1Store]: detected not equals via solver [2018-04-10 14:08:37,051 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 21 [2018-04-10 14:08:37,051 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-10 14:08:37,055 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-10 14:08:37,056 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:23, output treesize:21 [2018-04-10 14:08:37,074 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-04-10 14:08:37,075 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 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 8 treesize of output 7 [2018-04-10 14:08:37,075 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-10 14:08:37,076 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-10 14:08:37,084 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-04-10 14:08:37,085 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 14:08:37,085 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-10 14:08:37,086 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-10 14:08:37,091 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 14:08:37,091 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:43, output treesize:29 [2018-04-10 14:08:37,129 INFO L700 Elim1Store]: detected not equals via solver [2018-04-10 14:08:37,132 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 60 treesize of output 64 [2018-04-10 14:08:37,133 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 14 treesize of output 13 [2018-04-10 14:08:37,133 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-10 14:08:37,138 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-10 14:08:37,146 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 14 [2018-04-10 14:08:37,147 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 14 treesize of output 13 [2018-04-10 14:08:37,147 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-10 14:08:37,148 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-10 14:08:37,155 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-10 14:08:37,155 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:71, output treesize:55 [2018-04-10 14:08:37,244 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 62 treesize of output 57 [2018-04-10 14:08:37,250 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 16 treesize of output 31 [2018-04-10 14:08:37,251 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 2 xjuncts. [2018-04-10 14:08:37,263 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-10 14:08:37,290 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 76 treesize of output 87 [2018-04-10 14:08:37,297 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 20 treesize of output 51 [2018-04-10 14:08:37,298 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 2 xjuncts. [2018-04-10 14:08:37,311 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-10 14:08:37,320 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 76 treesize of output 75 [2018-04-10 14:08:37,322 INFO L682 Elim1Store]: detected equality via solver [2018-04-10 14:08:37,322 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 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 20 treesize of output 21 [2018-04-10 14:08:37,323 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-04-10 14:08:37,330 INFO L267 ElimStorePlain]: Start of recursive call 6: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-10 14:08:37,354 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-04-10 14:08:37,355 INFO L202 ElimStorePlain]: Needed 7 recursive calls to eliminate 3 variables, input treesize:85, output treesize:167 [2018-04-10 14:08:37,405 INFO L700 Elim1Store]: detected not equals via solver [2018-04-10 14:08:37,406 INFO L700 Elim1Store]: detected not equals via solver [2018-04-10 14:08:37,406 INFO L700 Elim1Store]: detected not equals via solver [2018-04-10 14:08:37,406 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 46 [2018-04-10 14:08:37,407 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-10 14:08:37,416 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-10 14:08:37,416 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:74, output treesize:80 [2018-04-10 14:08:37,449 INFO L700 Elim1Store]: detected not equals via solver [2018-04-10 14:08:37,452 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 70 treesize of output 69 [2018-04-10 14:08:37,454 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 19 [2018-04-10 14:08:37,454 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-10 14:08:37,461 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-10 14:08:37,477 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 51 [2018-04-10 14:08:37,479 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 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 22 treesize of output 23 [2018-04-10 14:08:37,479 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-10 14:08:37,483 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-10 14:08:37,491 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 14:08:37,492 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:102, output treesize:78 [2018-04-10 14:08:37,550 INFO L700 Elim1Store]: detected not equals via solver [2018-04-10 14:08:37,550 INFO L700 Elim1Store]: detected not equals via solver [2018-04-10 14:08:37,551 INFO L700 Elim1Store]: detected not equals via solver [2018-04-10 14:08:37,555 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 108 treesize of output 124 [2018-04-10 14:08:37,557 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 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 14 treesize of output 13 [2018-04-10 14:08:37,557 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-10 14:08:37,567 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-10 14:08:37,580 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 58 treesize of output 59 [2018-04-10 14:08:37,581 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 14 treesize of output 13 [2018-04-10 14:08:37,582 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-10 14:08:37,586 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-10 14:08:37,595 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-10 14:08:37,596 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:120, output treesize:100 [2018-04-10 14:08:37,712 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 174 treesize of output 148 [2018-04-10 14:08:37,719 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 32 treesize of output 51 [2018-04-10 14:08:37,720 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 2 xjuncts. [2018-04-10 14:08:37,732 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-10 14:08:37,764 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 155 treesize of output 116 [2018-04-10 14:08:37,766 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 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 32 treesize of output 25 [2018-04-10 14:08:37,767 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-10 14:08:37,775 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-10 14:08:37,780 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 175 treesize of output 132 [2018-04-10 14:08:37,786 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 32 treesize of output 51 [2018-04-10 14:08:37,786 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 2 xjuncts. [2018-04-10 14:08:37,801 INFO L267 ElimStorePlain]: Start of recursive call 6: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-10 14:08:37,829 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: 3 dim-0 vars, and 2 xjuncts. [2018-04-10 14:08:37,829 INFO L202 ElimStorePlain]: Needed 7 recursive calls to eliminate 4 variables, input treesize:196, output treesize:279 [2018-04-10 14:08:37,943 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 99 treesize of output 88 [2018-04-10 14:08:37,944 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 5 treesize of output 1 [2018-04-10 14:08:37,944 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-10 14:08:37,950 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 70 treesize of output 57 [2018-04-10 14:08:37,950 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-04-10 14:08:37,954 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-10 14:08:37,961 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: 3 dim-0 vars, and 1 xjuncts. [2018-04-10 14:08:37,961 INFO L202 ElimStorePlain]: Needed 4 recursive calls to eliminate 4 variables, input treesize:128, output treesize:86 [2018-04-10 14:08:38,036 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 85 treesize of output 50 [2018-04-10 14:08:38,037 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 16 [2018-04-10 14:08:38,037 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-10 14:08:38,044 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 14 [2018-04-10 14:08:38,044 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-04-10 14:08:38,049 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 5 treesize of output 1 [2018-04-10 14:08:38,049 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-10 14:08:38,053 INFO L267 ElimStorePlain]: Start of recursive call 2: 3 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-10 14:08:38,058 INFO L267 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-04-10 14:08:38,058 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 5 variables, input treesize:90, output treesize:28 [2018-04-10 14:08:38,159 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 0 proven. 35 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 14:08:38,177 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-10 14:08:38,177 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 23] total 40 [2018-04-10 14:08:38,177 INFO L442 AbstractCegarLoop]: Interpolant automaton has 41 states [2018-04-10 14:08:38,177 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 41 interpolants. [2018-04-10 14:08:38,177 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=184, Invalid=1456, Unknown=0, NotChecked=0, Total=1640 [2018-04-10 14:08:38,177 INFO L87 Difference]: Start difference. First operand 424 states and 485 transitions. Second operand 41 states. [2018-04-10 14:08:40,311 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 14:08:40,311 INFO L93 Difference]: Finished difference Result 469 states and 524 transitions. [2018-04-10 14:08:40,311 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2018-04-10 14:08:40,311 INFO L78 Accepts]: Start accepts. Automaton has 41 states. Word has length 89 [2018-04-10 14:08:40,312 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 14:08:40,312 INFO L225 Difference]: With dead ends: 469 [2018-04-10 14:08:40,312 INFO L226 Difference]: Without dead ends: 469 [2018-04-10 14:08:40,313 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 141 GetRequests, 70 SyntacticMatches, 2 SemanticMatches, 69 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1308 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=619, Invalid=4351, Unknown=0, NotChecked=0, Total=4970 [2018-04-10 14:08:40,313 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 469 states. [2018-04-10 14:08:40,315 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 469 to 430. [2018-04-10 14:08:40,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 430 states. [2018-04-10 14:08:40,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 430 states to 430 states and 492 transitions. [2018-04-10 14:08:40,316 INFO L78 Accepts]: Start accepts. Automaton has 430 states and 492 transitions. Word has length 89 [2018-04-10 14:08:40,316 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 14:08:40,316 INFO L459 AbstractCegarLoop]: Abstraction has 430 states and 492 transitions. [2018-04-10 14:08:40,316 INFO L460 AbstractCegarLoop]: Interpolant automaton has 41 states. [2018-04-10 14:08:40,316 INFO L276 IsEmpty]: Start isEmpty. Operand 430 states and 492 transitions. [2018-04-10 14:08:40,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2018-04-10 14:08:40,316 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 14:08:40,316 INFO L355 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-10 14:08:40,317 INFO L408 AbstractCegarLoop]: === Iteration 44 === [mainErr55AssertViolationMEMORY_FREE, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr58AssertViolationMEMORY_FREE, mainErr3RequiresViolation, mainErr60EnsuresViolationMEMORY_LEAK, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr54AssertViolationMEMORY_FREE, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr59AssertViolationMEMORY_FREE, mainErr36RequiresViolation, mainErr51AssertViolationMEMORY_FREE, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr50AssertViolationMEMORY_FREE, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-04-10 14:08:40,317 INFO L82 PathProgramCache]: Analyzing trace with hash -1810253834, now seen corresponding path program 1 times [2018-04-10 14:08:40,317 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-10 14:08:40,317 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-10 14:08:40,318 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-10 14:08:40,318 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-04-10 14:08:40,318 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-10 14:08:40,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 14:08:40,330 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-10 14:08:40,679 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 0 proven. 35 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 14:08:40,679 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-04-10 14:08:40,679 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 31 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 31 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-04-10 14:08:40,684 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-10 14:08:40,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 14:08:40,705 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-10 14:08:40,709 INFO L700 Elim1Store]: detected not equals via solver [2018-04-10 14:08:40,710 INFO L700 Elim1Store]: detected not equals via solver [2018-04-10 14:08:40,710 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 4 [2018-04-10 14:08:40,710 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-10 14:08:40,713 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-10 14:08:40,713 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:20, output treesize:14 [2018-04-10 14:08:40,729 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-04-10 14:08:40,730 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 14:08:40,731 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-10 14:08:40,732 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-10 14:08:40,739 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-04-10 14:08:40,740 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 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 8 treesize of output 7 [2018-04-10 14:08:40,740 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-10 14:08:40,741 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-10 14:08:40,746 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 14:08:40,746 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:38, output treesize:27 [2018-04-10 14:08:40,785 INFO L700 Elim1Store]: detected not equals via solver [2018-04-10 14:08:40,787 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 30 [2018-04-10 14:08:40,788 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 14 treesize of output 13 [2018-04-10 14:08:40,789 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-10 14:08:40,791 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-10 14:08:40,799 INFO L700 Elim1Store]: detected not equals via solver [2018-04-10 14:08:40,801 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 47 [2018-04-10 14:08:40,802 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 14 treesize of output 13 [2018-04-10 14:08:40,802 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-10 14:08:40,805 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-10 14:08:40,811 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-10 14:08:40,811 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:69, output treesize:53 [2018-04-10 14:08:40,894 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 53 treesize of output 48 [2018-04-10 14:08:40,900 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 16 treesize of output 31 [2018-04-10 14:08:40,900 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 2 xjuncts. [2018-04-10 14:08:40,913 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-10 14:08:40,938 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 74 treesize of output 73 [2018-04-10 14:08:40,939 INFO L682 Elim1Store]: detected equality via solver [2018-04-10 14:08:40,940 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 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 20 treesize of output 21 [2018-04-10 14:08:40,940 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-10 14:08:40,947 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-10 14:08:40,952 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 74 treesize of output 91 [2018-04-10 14:08:40,958 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 20 treesize of output 51 [2018-04-10 14:08:40,958 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 2 xjuncts. [2018-04-10 14:08:40,970 INFO L267 ElimStorePlain]: Start of recursive call 6: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-10 14:08:40,994 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-04-10 14:08:40,994 INFO L202 ElimStorePlain]: Needed 7 recursive calls to eliminate 3 variables, input treesize:91, output treesize:179 [2018-04-10 14:08:41,056 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 14 [2018-04-10 14:08:41,058 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 14 treesize of output 13 [2018-04-10 14:08:41,058 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-10 14:08:41,059 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-10 14:08:41,068 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-10 14:08:41,068 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:79, output treesize:79 [2018-04-10 14:08:41,104 INFO L700 Elim1Store]: detected not equals via solver [2018-04-10 14:08:41,104 INFO L700 Elim1Store]: detected not equals via solver [2018-04-10 14:08:41,105 INFO L700 Elim1Store]: detected not equals via solver [2018-04-10 14:08:41,106 INFO L700 Elim1Store]: detected not equals via solver [2018-04-10 14:08:41,106 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 13 [2018-04-10 14:08:41,106 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-10 14:08:41,116 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-10 14:08:41,116 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:84, output treesize:77 [2018-04-10 14:08:41,150 INFO L700 Elim1Store]: detected not equals via solver [2018-04-10 14:08:41,153 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 66 treesize of output 65 [2018-04-10 14:08:41,155 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 26 [2018-04-10 14:08:41,155 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-10 14:08:41,168 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-10 14:08:41,183 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 58 [2018-04-10 14:08:41,185 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 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 22 treesize of output 30 [2018-04-10 14:08:41,185 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-10 14:08:41,190 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-10 14:08:41,199 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 14:08:41,200 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:99, output treesize:67 [2018-04-10 14:08:41,282 INFO L700 Elim1Store]: detected not equals via solver [2018-04-10 14:08:41,283 INFO L700 Elim1Store]: detected not equals via solver [2018-04-10 14:08:41,287 INFO L700 Elim1Store]: detected not equals via solver [2018-04-10 14:08:41,292 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 95 treesize of output 111 [2018-04-10 14:08:41,293 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 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 14 treesize of output 13 [2018-04-10 14:08:41,294 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-10 14:08:41,304 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-10 14:08:41,318 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 37 [2018-04-10 14:08:41,319 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 14 treesize of output 13 [2018-04-10 14:08:41,319 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-10 14:08:41,324 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-10 14:08:41,333 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-10 14:08:41,333 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:109, output treesize:85 [2018-04-10 14:08:41,464 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 138 treesize of output 124 [2018-04-10 14:08:41,478 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 20 treesize of output 27 [2018-04-10 14:08:41,478 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 2 xjuncts. [2018-04-10 14:08:41,494 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-10 14:08:41,526 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 116 treesize of output 99 [2018-04-10 14:08:41,528 INFO L682 Elim1Store]: detected equality via solver [2018-04-10 14:08:41,529 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 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 20 treesize of output 24 [2018-04-10 14:08:41,529 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-10 14:08:41,539 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-10 14:08:41,541 INFO L682 Elim1Store]: detected equality via solver [2018-04-10 14:08:41,543 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 108 treesize of output 96 [2018-04-10 14:08:41,544 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 20 [2018-04-10 14:08:41,544 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-04-10 14:08:41,553 INFO L267 ElimStorePlain]: Start of recursive call 6: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-10 14:08:41,578 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-04-10 14:08:41,578 INFO L202 ElimStorePlain]: Needed 7 recursive calls to eliminate 3 variables, input treesize:156, output treesize:171 [2018-04-10 14:08:41,638 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 55 treesize of output 60 [2018-04-10 14:08:41,639 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 21 [2018-04-10 14:08:41,639 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-10 14:08:41,643 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-10 14:08:41,651 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-10 14:08:41,651 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:144, output treesize:128 [2018-04-10 14:08:41,753 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 128 treesize of output 91 [2018-04-10 14:08:41,754 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 27 [2018-04-10 14:08:41,783 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-10 14:08:41,793 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 22 [2018-04-10 14:08:41,793 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-04-10 14:08:41,801 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 5 treesize of output 1 [2018-04-10 14:08:41,801 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-10 14:08:41,807 INFO L267 ElimStorePlain]: Start of recursive call 2: 3 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-10 14:08:41,817 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 31 [2018-04-10 14:08:41,819 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 22 treesize of output 13 [2018-04-10 14:08:41,819 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-04-10 14:08:41,823 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 5 treesize of output 1 [2018-04-10 14:08:41,823 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2018-04-10 14:08:41,826 INFO L267 ElimStorePlain]: Start of recursive call 6: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-10 14:08:41,839 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 2 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-04-10 14:08:41,839 INFO L202 ElimStorePlain]: Needed 8 recursive calls to eliminate 5 variables, input treesize:142, output treesize:26 [2018-04-10 14:08:41,931 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 24 [2018-04-10 14:08:41,932 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 7 treesize of output 1 [2018-04-10 14:08:41,932 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-10 14:08:41,936 INFO L682 Elim1Store]: detected equality via solver [2018-04-10 14:08:41,936 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2018-04-10 14:08:41,936 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-04-10 14:08:41,938 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-10 14:08:41,941 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-10 14:08:41,941 INFO L202 ElimStorePlain]: Needed 4 recursive calls to eliminate 4 variables, input treesize:33, output treesize:7 [2018-04-10 14:08:42,010 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 0 proven. 35 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 14:08:42,028 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-10 14:08:42,028 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 24] total 41 [2018-04-10 14:08:42,028 INFO L442 AbstractCegarLoop]: Interpolant automaton has 41 states [2018-04-10 14:08:42,028 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 41 interpolants. [2018-04-10 14:08:42,028 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=120, Invalid=1519, Unknown=1, NotChecked=0, Total=1640 [2018-04-10 14:08:42,028 INFO L87 Difference]: Start difference. First operand 430 states and 492 transitions. Second operand 41 states. [2018-04-10 14:08:44,342 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 14:08:44,342 INFO L93 Difference]: Finished difference Result 422 states and 467 transitions. [2018-04-10 14:08:44,342 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2018-04-10 14:08:44,342 INFO L78 Accepts]: Start accepts. Automaton has 41 states. Word has length 89 [2018-04-10 14:08:44,342 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 14:08:44,343 INFO L225 Difference]: With dead ends: 422 [2018-04-10 14:08:44,343 INFO L226 Difference]: Without dead ends: 422 [2018-04-10 14:08:44,343 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 133 GetRequests, 69 SyntacticMatches, 3 SemanticMatches, 61 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 815 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=349, Invalid=3552, Unknown=5, NotChecked=0, Total=3906 [2018-04-10 14:08:44,344 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 422 states. [2018-04-10 14:08:44,345 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 422 to 396. [2018-04-10 14:08:44,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 396 states. [2018-04-10 14:08:44,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 396 states to 396 states and 447 transitions. [2018-04-10 14:08:44,346 INFO L78 Accepts]: Start accepts. Automaton has 396 states and 447 transitions. Word has length 89 [2018-04-10 14:08:44,346 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 14:08:44,346 INFO L459 AbstractCegarLoop]: Abstraction has 396 states and 447 transitions. [2018-04-10 14:08:44,346 INFO L460 AbstractCegarLoop]: Interpolant automaton has 41 states. [2018-04-10 14:08:44,346 INFO L276 IsEmpty]: Start isEmpty. Operand 396 states and 447 transitions. [2018-04-10 14:08:44,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2018-04-10 14:08:44,347 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 14:08:44,347 INFO L355 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-10 14:08:44,347 INFO L408 AbstractCegarLoop]: === Iteration 45 === [mainErr55AssertViolationMEMORY_FREE, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr58AssertViolationMEMORY_FREE, mainErr3RequiresViolation, mainErr60EnsuresViolationMEMORY_LEAK, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr54AssertViolationMEMORY_FREE, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr59AssertViolationMEMORY_FREE, mainErr36RequiresViolation, mainErr51AssertViolationMEMORY_FREE, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr50AssertViolationMEMORY_FREE, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-04-10 14:08:44,347 INFO L82 PathProgramCache]: Analyzing trace with hash 1047006410, now seen corresponding path program 1 times [2018-04-10 14:08:44,347 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-10 14:08:44,347 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-10 14:08:44,347 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-10 14:08:44,348 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-10 14:08:44,348 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-10 14:08:44,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 14:08:44,365 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-10 14:08:45,006 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 33 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 14:08:45,007 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-04-10 14:08:45,007 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 32 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 32 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-04-10 14:08:45,012 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-10 14:08:45,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 14:08:45,035 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-10 14:08:45,070 INFO L700 Elim1Store]: detected not equals via solver [2018-04-10 14:08:45,071 INFO L700 Elim1Store]: detected not equals via solver [2018-04-10 14:08:45,071 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 4 [2018-04-10 14:08:45,071 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-10 14:08:45,082 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-10 14:08:45,082 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:17, output treesize:11 [2018-04-10 14:08:45,097 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 14:08:45,098 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 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 8 treesize of output 7 [2018-04-10 14:08:45,098 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-10 14:08:45,099 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-10 14:08:45,103 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-10 14:08:45,103 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:27, output treesize:20 [2018-04-10 14:08:45,138 INFO L700 Elim1Store]: detected not equals via solver [2018-04-10 14:08:45,140 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 34 [2018-04-10 14:08:45,141 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 14 treesize of output 13 [2018-04-10 14:08:45,142 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-10 14:08:45,144 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-10 14:08:45,149 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-10 14:08:45,149 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:41, output treesize:33 [2018-04-10 14:08:45,211 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 35 [2018-04-10 14:08:45,216 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 16 treesize of output 23 [2018-04-10 14:08:45,216 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 2 xjuncts. [2018-04-10 14:08:45,224 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-10 14:08:45,234 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-04-10 14:08:45,235 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:50, output treesize:76 [2018-04-10 14:08:45,268 INFO L700 Elim1Store]: detected not equals via solver [2018-04-10 14:08:45,269 INFO L700 Elim1Store]: detected not equals via solver [2018-04-10 14:08:45,269 INFO L700 Elim1Store]: detected not equals via solver [2018-04-10 14:08:45,270 INFO L700 Elim1Store]: detected not equals via solver [2018-04-10 14:08:45,270 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 42 [2018-04-10 14:08:45,270 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-10 14:08:45,278 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-10 14:08:45,278 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:44, output treesize:50 [2018-04-10 14:08:45,304 INFO L700 Elim1Store]: detected not equals via solver [2018-04-10 14:08:45,306 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 42 [2018-04-10 14:08:45,308 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 7 [2018-04-10 14:08:45,308 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-10 14:08:45,312 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-10 14:08:45,319 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-10 14:08:45,319 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:66, output treesize:51 [2018-04-10 14:08:45,371 INFO L700 Elim1Store]: detected not equals via solver [2018-04-10 14:08:45,375 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 62 treesize of output 62 [2018-04-10 14:08:45,376 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 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 14 treesize of output 13 [2018-04-10 14:08:45,376 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-10 14:08:45,383 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-10 14:08:45,390 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-10 14:08:45,390 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:72, output treesize:64 [2018-04-10 14:08:45,490 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 102 treesize of output 92 [2018-04-10 14:08:45,496 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 20 treesize of output 27 [2018-04-10 14:08:45,497 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 2 xjuncts. [2018-04-10 14:08:45,510 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-10 14:08:45,530 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 3 dim-0 vars, and 2 xjuncts. [2018-04-10 14:08:45,530 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:112, output treesize:146 [2018-04-10 14:08:45,590 INFO L700 Elim1Store]: detected not equals via solver [2018-04-10 14:08:45,590 INFO L700 Elim1Store]: detected not equals via solver [2018-04-10 14:08:45,591 INFO L700 Elim1Store]: detected not equals via solver [2018-04-10 14:08:45,591 INFO L700 Elim1Store]: detected not equals via solver [2018-04-10 14:08:45,592 INFO L700 Elim1Store]: detected not equals via solver [2018-04-10 14:08:45,592 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 83 [2018-04-10 14:08:45,592 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-10 14:08:45,605 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-10 14:08:45,605 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:77, output treesize:95 [2018-04-10 14:08:45,644 INFO L700 Elim1Store]: detected not equals via solver [2018-04-10 14:08:45,647 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 88 treesize of output 82 [2018-04-10 14:08:45,649 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 7 [2018-04-10 14:08:45,649 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-10 14:08:45,657 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-10 14:08:45,667 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-10 14:08:45,667 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:106, output treesize:96 [2018-04-10 14:08:45,754 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 108 treesize of output 107 [2018-04-10 14:08:45,756 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 13 [2018-04-10 14:08:45,756 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-10 14:08:45,766 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-10 14:08:45,778 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-04-10 14:08:45,778 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:117, output treesize:109 [2018-04-10 14:08:45,914 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 200 treesize of output 128 [2018-04-10 14:08:45,921 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 36 treesize of output 55 [2018-04-10 14:08:45,921 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 2 xjuncts. [2018-04-10 14:08:45,938 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-10 14:08:45,973 INFO L267 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 1 dim-2 vars, End of recursive call: 7 dim-0 vars, and 2 xjuncts. [2018-04-10 14:08:45,973 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 5 variables, input treesize:205, output treesize:350 [2018-04-10 14:08:46,094 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 162 treesize of output 84 [2018-04-10 14:08:46,095 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 5 treesize of output 1 [2018-04-10 14:08:46,095 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-10 14:08:46,111 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 22 [2018-04-10 14:08:46,112 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-10 14:08:46,121 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 20 [2018-04-10 14:08:46,121 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-10 14:08:46,130 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 18 [2018-04-10 14:08:46,131 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-04-10 14:08:46,138 INFO L267 ElimStorePlain]: Start of recursive call 2: 4 dim-1 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-04-10 14:08:46,145 INFO L267 ElimStorePlain]: Start of recursive call 1: 5 dim-0 vars, 1 dim-2 vars, End of recursive call: 3 dim-0 vars, and 1 xjuncts. [2018-04-10 14:08:46,146 INFO L202 ElimStorePlain]: Needed 6 recursive calls to eliminate 6 variables, input treesize:167, output treesize:45 [2018-04-10 14:08:46,264 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 33 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 14:08:46,283 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-10 14:08:46,283 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [29, 27] total 55 [2018-04-10 14:08:46,283 INFO L442 AbstractCegarLoop]: Interpolant automaton has 56 states [2018-04-10 14:08:46,283 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 56 interpolants. [2018-04-10 14:08:46,284 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=397, Invalid=2683, Unknown=0, NotChecked=0, Total=3080 [2018-04-10 14:08:46,284 INFO L87 Difference]: Start difference. First operand 396 states and 447 transitions. Second operand 56 states. [2018-04-10 14:08:50,733 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 14:08:50,733 INFO L93 Difference]: Finished difference Result 685 states and 769 transitions. [2018-04-10 14:08:50,733 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. [2018-04-10 14:08:50,734 INFO L78 Accepts]: Start accepts. Automaton has 56 states. Word has length 90 [2018-04-10 14:08:50,734 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 14:08:50,735 INFO L225 Difference]: With dead ends: 685 [2018-04-10 14:08:50,735 INFO L226 Difference]: Without dead ends: 685 [2018-04-10 14:08:50,735 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 188 GetRequests, 67 SyntacticMatches, 2 SemanticMatches, 119 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4945 ImplicationChecksByTransitivity, 3.6s TimeCoverageRelationStatistics Valid=2411, Invalid=12102, Unknown=7, NotChecked=0, Total=14520 [2018-04-10 14:08:50,735 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 685 states. [2018-04-10 14:08:50,738 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 685 to 473. [2018-04-10 14:08:50,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 473 states. [2018-04-10 14:08:50,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 473 states to 473 states and 530 transitions. [2018-04-10 14:08:50,738 INFO L78 Accepts]: Start accepts. Automaton has 473 states and 530 transitions. Word has length 90 [2018-04-10 14:08:50,739 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 14:08:50,739 INFO L459 AbstractCegarLoop]: Abstraction has 473 states and 530 transitions. [2018-04-10 14:08:50,739 INFO L460 AbstractCegarLoop]: Interpolant automaton has 56 states. [2018-04-10 14:08:50,739 INFO L276 IsEmpty]: Start isEmpty. Operand 473 states and 530 transitions. [2018-04-10 14:08:50,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2018-04-10 14:08:50,739 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 14:08:50,739 INFO L355 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-10 14:08:50,739 INFO L408 AbstractCegarLoop]: === Iteration 46 === [mainErr55AssertViolationMEMORY_FREE, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr58AssertViolationMEMORY_FREE, mainErr3RequiresViolation, mainErr60EnsuresViolationMEMORY_LEAK, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr54AssertViolationMEMORY_FREE, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr59AssertViolationMEMORY_FREE, mainErr36RequiresViolation, mainErr51AssertViolationMEMORY_FREE, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr50AssertViolationMEMORY_FREE, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-04-10 14:08:50,740 INFO L82 PathProgramCache]: Analyzing trace with hash 1047006411, now seen corresponding path program 1 times [2018-04-10 14:08:50,740 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-10 14:08:50,740 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-10 14:08:50,741 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-10 14:08:50,741 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-10 14:08:50,741 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-10 14:08:50,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 14:08:50,760 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-10 14:08:51,856 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 33 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 14:08:51,856 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-04-10 14:08:51,856 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 33 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 33 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-04-10 14:08:51,861 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-10 14:08:51,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 14:08:51,887 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-10 14:08:51,927 INFO L700 Elim1Store]: detected not equals via solver [2018-04-10 14:08:51,927 INFO L700 Elim1Store]: detected not equals via solver [2018-04-10 14:08:51,928 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 4 [2018-04-10 14:08:51,928 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-10 14:08:51,932 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-10 14:08:51,932 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:20, output treesize:14 [2018-04-10 14:08:51,951 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 14:08:51,953 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 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 8 treesize of output 7 [2018-04-10 14:08:51,953 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-10 14:08:51,954 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-10 14:08:51,970 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 14:08:51,971 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 14:08:51,971 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-10 14:08:51,972 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-10 14:08:51,978 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 14:08:51,978 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:38, output treesize:27 [2018-04-10 14:08:52,030 INFO L700 Elim1Store]: detected not equals via solver [2018-04-10 14:08:52,033 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 55 [2018-04-10 14:08:52,034 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 14 treesize of output 13 [2018-04-10 14:08:52,035 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-10 14:08:52,039 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-10 14:08:52,049 INFO L700 Elim1Store]: detected not equals via solver [2018-04-10 14:08:52,051 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 30 [2018-04-10 14:08:52,052 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 14 treesize of output 13 [2018-04-10 14:08:52,053 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-10 14:08:52,056 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-10 14:08:52,063 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-10 14:08:52,063 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:69, output treesize:53 [2018-04-10 14:08:52,149 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 38 [2018-04-10 14:08:52,157 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 20 treesize of output 31 [2018-04-10 14:08:52,157 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 2 xjuncts. [2018-04-10 14:08:52,168 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-10 14:08:52,195 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 63 treesize of output 58 [2018-04-10 14:08:52,197 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 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 16 treesize of output 13 [2018-04-10 14:08:52,197 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-10 14:08:52,204 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-10 14:08:52,209 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 66 [2018-04-10 14:08:52,216 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 16 treesize of output 23 [2018-04-10 14:08:52,216 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 2 xjuncts. [2018-04-10 14:08:52,235 INFO L267 ElimStorePlain]: Start of recursive call 6: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-10 14:08:52,263 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-04-10 14:08:52,264 INFO L202 ElimStorePlain]: Needed 7 recursive calls to eliminate 3 variables, input treesize:84, output treesize:131 [2018-04-10 14:08:52,345 INFO L700 Elim1Store]: detected not equals via solver [2018-04-10 14:08:52,346 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 14 treesize of output 21 [2018-04-10 14:08:52,346 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-10 14:08:52,362 INFO L700 Elim1Store]: detected not equals via solver [2018-04-10 14:08:52,362 INFO L700 Elim1Store]: detected not equals via solver [2018-04-10 14:08:52,363 INFO L700 Elim1Store]: detected not equals via solver [2018-04-10 14:08:52,363 INFO L700 Elim1Store]: detected not equals via solver [2018-04-10 14:08:52,364 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 42 [2018-04-10 14:08:52,364 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-10 14:08:52,378 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-10 14:08:52,379 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:78, output treesize:87 [2018-04-10 14:08:52,417 INFO L700 Elim1Store]: detected not equals via solver [2018-04-10 14:08:52,420 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 65 treesize of output 64 [2018-04-10 14:08:52,422 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 7 [2018-04-10 14:08:52,422 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-10 14:08:52,428 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-10 14:08:52,448 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 36 [2018-04-10 14:08:52,451 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 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 18 treesize of output 11 [2018-04-10 14:08:52,451 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-10 14:08:52,454 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-10 14:08:52,468 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 14:08:52,468 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:114, output treesize:81 [2018-04-10 14:08:52,545 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 30 [2018-04-10 14:08:52,547 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 14 treesize of output 13 [2018-04-10 14:08:52,547 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-10 14:08:52,550 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-10 14:08:52,568 INFO L700 Elim1Store]: detected not equals via solver [2018-04-10 14:08:52,572 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 95 treesize of output 95 [2018-04-10 14:08:52,573 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 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 14 treesize of output 13 [2018-04-10 14:08:52,573 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-10 14:08:52,583 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-10 14:08:52,598 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-10 14:08:52,598 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:123, output treesize:107 [2018-04-10 14:08:52,740 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 46 [2018-04-10 14:08:52,747 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 24 treesize of output 39 [2018-04-10 14:08:52,748 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 2 xjuncts. [2018-04-10 14:08:52,767 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-10 14:08:52,803 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 153 treesize of output 135 [2018-04-10 14:08:52,805 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 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 20 treesize of output 13 [2018-04-10 14:08:52,805 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-10 14:08:52,820 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-10 14:08:52,829 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 165 treesize of output 143 [2018-04-10 14:08:52,836 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 20 treesize of output 27 [2018-04-10 14:08:52,836 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 2 xjuncts. [2018-04-10 14:08:52,859 INFO L267 ElimStorePlain]: Start of recursive call 6: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-10 14:08:52,913 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: 3 dim-0 vars, and 2 xjuncts. [2018-04-10 14:08:52,913 INFO L202 ElimStorePlain]: Needed 7 recursive calls to eliminate 4 variables, input treesize:169, output treesize:277 [2018-04-10 14:08:53,006 INFO L700 Elim1Store]: detected not equals via solver [2018-04-10 14:08:53,007 INFO L700 Elim1Store]: detected not equals via solver [2018-04-10 14:08:53,009 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 66 [2018-04-10 14:08:53,009 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-10 14:08:53,029 INFO L700 Elim1Store]: detected not equals via solver [2018-04-10 14:08:53,030 INFO L700 Elim1Store]: detected not equals via solver [2018-04-10 14:08:53,030 INFO L700 Elim1Store]: detected not equals via solver [2018-04-10 14:08:53,031 INFO L700 Elim1Store]: detected not equals via solver [2018-04-10 14:08:53,031 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 61 [2018-04-10 14:08:53,031 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-10 14:08:53,047 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-10 14:08:53,047 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:134, output treesize:125 [2018-04-10 14:08:53,102 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 44 [2018-04-10 14:08:53,105 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 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 22 treesize of output 15 [2018-04-10 14:08:53,105 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-10 14:08:53,109 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-10 14:08:53,128 INFO L700 Elim1Store]: detected not equals via solver [2018-04-10 14:08:53,133 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 113 treesize of output 107 [2018-04-10 14:08:53,135 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 7 [2018-04-10 14:08:53,135 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-10 14:08:53,147 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-10 14:08:53,162 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 2 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-10 14:08:53,162 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 5 variables, input treesize:147, output treesize:119 [2018-04-10 14:08:53,246 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 30 [2018-04-10 14:08:53,248 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 14 treesize of output 13 [2018-04-10 14:08:53,248 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-10 14:08:53,252 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-10 14:08:53,271 INFO L700 Elim1Store]: detected not equals via solver [2018-04-10 14:08:53,281 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 139 treesize of output 146 [2018-04-10 14:08:53,282 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 13 [2018-04-10 14:08:53,282 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-10 14:08:53,300 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-10 14:08:53,315 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-04-10 14:08:53,316 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:161, output treesize:145 [2018-04-10 14:08:53,469 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 258 treesize of output 162 [2018-04-10 14:08:53,478 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 36 treesize of output 55 [2018-04-10 14:08:53,478 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 2 xjuncts. [2018-04-10 14:08:53,501 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-10 14:08:53,559 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 225 treesize of output 196 [2018-04-10 14:08:53,561 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 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 28 treesize of output 25 [2018-04-10 14:08:53,562 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-10 14:08:53,577 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-10 14:08:53,581 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 249 treesize of output 220 [2018-04-10 14:08:53,589 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 28 treesize of output 47 [2018-04-10 14:08:53,589 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 2 xjuncts. [2018-04-10 14:08:53,612 INFO L267 ElimStorePlain]: Start of recursive call 6: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-10 14:08:53,663 INFO L267 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 2 dim-2 vars, End of recursive call: 7 dim-0 vars, and 2 xjuncts. [2018-04-10 14:08:53,664 INFO L202 ElimStorePlain]: Needed 7 recursive calls to eliminate 6 variables, input treesize:268, output treesize:423 [2018-04-10 14:08:53,838 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 183 treesize of output 95 [2018-04-10 14:08:53,840 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 24 [2018-04-10 14:08:53,841 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-10 14:08:53,855 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 27 [2018-04-10 14:08:53,856 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-10 14:08:53,867 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 5 treesize of output 1 [2018-04-10 14:08:53,867 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-10 14:08:53,877 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 18 [2018-04-10 14:08:53,877 INFO L267 ElimStorePlain]: Start of recursive call 6: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-10 14:08:53,886 INFO L267 ElimStorePlain]: Start of recursive call 2: 4 dim-1 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-04-10 14:08:53,899 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 20 [2018-04-10 14:08:53,900 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 5 treesize of output 1 [2018-04-10 14:08:53,900 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2018-04-10 14:08:53,904 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 14:08:53,904 INFO L267 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2018-04-10 14:08:53,905 INFO L267 ElimStorePlain]: Start of recursive call 7: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-10 14:08:53,915 INFO L267 ElimStorePlain]: Start of recursive call 1: 5 dim-0 vars, 2 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-04-10 14:08:53,915 INFO L202 ElimStorePlain]: Needed 9 recursive calls to eliminate 7 variables, input treesize:200, output treesize:31 [2018-04-10 14:08:54,051 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 33 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 14:08:54,068 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-10 14:08:54,068 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [31, 28] total 58 [2018-04-10 14:08:54,069 INFO L442 AbstractCegarLoop]: Interpolant automaton has 59 states [2018-04-10 14:08:54,069 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 59 interpolants. [2018-04-10 14:08:54,069 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=277, Invalid=3145, Unknown=0, NotChecked=0, Total=3422 [2018-04-10 14:08:54,069 INFO L87 Difference]: Start difference. First operand 473 states and 530 transitions. Second operand 59 states. [2018-04-10 14:09:02,001 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 14:09:02,001 INFO L93 Difference]: Finished difference Result 758 states and 846 transitions. [2018-04-10 14:09:02,001 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 77 states. [2018-04-10 14:09:02,001 INFO L78 Accepts]: Start accepts. Automaton has 59 states. Word has length 90 [2018-04-10 14:09:02,001 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 14:09:02,003 INFO L225 Difference]: With dead ends: 758 [2018-04-10 14:09:02,003 INFO L226 Difference]: Without dead ends: 758 [2018-04-10 14:09:02,003 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 200 GetRequests, 66 SyntacticMatches, 3 SemanticMatches, 131 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5733 ImplicationChecksByTransitivity, 7.1s TimeCoverageRelationStatistics Valid=2582, Invalid=14974, Unknown=0, NotChecked=0, Total=17556 [2018-04-10 14:09:02,003 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 758 states. [2018-04-10 14:09:02,006 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 758 to 549. [2018-04-10 14:09:02,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 549 states. [2018-04-10 14:09:02,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 549 states to 549 states and 613 transitions. [2018-04-10 14:09:02,007 INFO L78 Accepts]: Start accepts. Automaton has 549 states and 613 transitions. Word has length 90 [2018-04-10 14:09:02,007 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 14:09:02,007 INFO L459 AbstractCegarLoop]: Abstraction has 549 states and 613 transitions. [2018-04-10 14:09:02,007 INFO L460 AbstractCegarLoop]: Interpolant automaton has 59 states. [2018-04-10 14:09:02,007 INFO L276 IsEmpty]: Start isEmpty. Operand 549 states and 613 transitions. [2018-04-10 14:09:02,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2018-04-10 14:09:02,008 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 14:09:02,008 INFO L355 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-10 14:09:02,008 INFO L408 AbstractCegarLoop]: === Iteration 47 === [mainErr55AssertViolationMEMORY_FREE, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr58AssertViolationMEMORY_FREE, mainErr3RequiresViolation, mainErr60EnsuresViolationMEMORY_LEAK, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr54AssertViolationMEMORY_FREE, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr59AssertViolationMEMORY_FREE, mainErr36RequiresViolation, mainErr51AssertViolationMEMORY_FREE, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr50AssertViolationMEMORY_FREE, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-04-10 14:09:02,008 INFO L82 PathProgramCache]: Analyzing trace with hash 2039944710, now seen corresponding path program 2 times [2018-04-10 14:09:02,008 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-10 14:09:02,008 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-10 14:09:02,009 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-10 14:09:02,009 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-10 14:09:02,009 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-10 14:09:02,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 14:09:02,024 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-10 14:09:02,482 WARN L151 SmtUtils]: Spent 171ms on a formula simplification. DAG size of input: 26 DAG size of output 21 [2018-04-10 14:09:02,936 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 33 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 14:09:02,936 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-04-10 14:09:02,936 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 34 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 34 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-04-10 14:09:02,942 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST1 [2018-04-10 14:09:02,968 INFO L242 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2018-04-10 14:09:02,969 INFO L243 tOrderPrioritization]: Conjunction of SSA is unsat [2018-04-10 14:09:02,971 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-10 14:09:02,982 INFO L700 Elim1Store]: detected not equals via solver [2018-04-10 14:09:02,982 INFO L700 Elim1Store]: detected not equals via solver [2018-04-10 14:09:02,983 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 21 [2018-04-10 14:09:02,983 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-10 14:09:02,988 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-10 14:09:02,988 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:26, output treesize:24 [2018-04-10 14:09:03,012 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-04-10 14:09:03,013 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 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 8 treesize of output 7 [2018-04-10 14:09:03,013 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-10 14:09:03,014 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-10 14:09:03,020 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-10 14:09:03,020 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:35, output treesize:32 [2018-04-10 14:09:03,077 INFO L700 Elim1Store]: detected not equals via solver [2018-04-10 14:09:03,079 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 43 [2018-04-10 14:09:03,080 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 14 treesize of output 13 [2018-04-10 14:09:03,080 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-10 14:09:03,084 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-10 14:09:03,089 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-10 14:09:03,090 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:53, output treesize:45 [2018-04-10 14:09:03,190 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 44 [2018-04-10 14:09:03,195 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 16 treesize of output 23 [2018-04-10 14:09:03,195 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 2 xjuncts. [2018-04-10 14:09:03,205 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-10 14:09:03,219 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-04-10 14:09:03,219 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:57, output treesize:90 [2018-04-10 14:09:03,261 INFO L700 Elim1Store]: detected not equals via solver [2018-04-10 14:09:03,261 INFO L700 Elim1Store]: detected not equals via solver [2018-04-10 14:09:03,262 INFO L700 Elim1Store]: detected not equals via solver [2018-04-10 14:09:03,262 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 46 [2018-04-10 14:09:03,263 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-10 14:09:03,273 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-10 14:09:03,273 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:51, output treesize:57 [2018-04-10 14:09:03,312 INFO L700 Elim1Store]: detected not equals via solver [2018-04-10 14:09:03,314 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 50 [2018-04-10 14:09:03,316 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 7 [2018-04-10 14:09:03,316 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-10 14:09:03,320 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-10 14:09:03,327 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-10 14:09:03,327 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:73, output treesize:58 [2018-04-10 14:09:03,391 INFO L700 Elim1Store]: detected not equals via solver [2018-04-10 14:09:03,395 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 66 treesize of output 74 [2018-04-10 14:09:03,396 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 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 14 treesize of output 13 [2018-04-10 14:09:03,397 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-10 14:09:03,404 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-10 14:09:03,412 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-10 14:09:03,412 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:79, output treesize:71 [2018-04-10 14:09:03,543 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 102 treesize of output 92 [2018-04-10 14:09:03,550 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 20 treesize of output 27 [2018-04-10 14:09:03,550 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 2 xjuncts. [2018-04-10 14:09:03,564 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-10 14:09:03,587 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 3 dim-0 vars, and 2 xjuncts. [2018-04-10 14:09:03,587 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:115, output treesize:152 [2018-04-10 14:09:03,661 INFO L700 Elim1Store]: detected not equals via solver [2018-04-10 14:09:03,662 INFO L700 Elim1Store]: detected not equals via solver [2018-04-10 14:09:03,663 INFO L700 Elim1Store]: detected not equals via solver [2018-04-10 14:09:03,663 INFO L700 Elim1Store]: detected not equals via solver [2018-04-10 14:09:03,663 INFO L700 Elim1Store]: detected not equals via solver [2018-04-10 14:09:03,664 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 83 [2018-04-10 14:09:03,664 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-10 14:09:03,678 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-10 14:09:03,678 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:80, output treesize:98 [2018-04-10 14:09:03,732 INFO L700 Elim1Store]: detected not equals via solver [2018-04-10 14:09:03,736 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 88 treesize of output 82 [2018-04-10 14:09:03,738 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 7 [2018-04-10 14:09:03,738 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-10 14:09:03,746 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-10 14:09:03,758 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-10 14:09:03,759 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:109, output treesize:107 [2018-04-10 14:09:03,868 INFO L700 Elim1Store]: detected not equals via solver [2018-04-10 14:09:03,875 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 120 treesize of output 115 [2018-04-10 14:09:03,877 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 13 [2018-04-10 14:09:03,877 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-10 14:09:03,891 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-10 14:09:03,904 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-04-10 14:09:03,904 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:128, output treesize:120 [2018-04-10 14:09:04,098 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 200 treesize of output 128 [2018-04-10 14:09:04,104 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 36 treesize of output 55 [2018-04-10 14:09:04,105 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 2 xjuncts. [2018-04-10 14:09:04,122 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-10 14:09:04,163 INFO L267 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 1 dim-2 vars, End of recursive call: 7 dim-0 vars, and 2 xjuncts. [2018-04-10 14:09:04,163 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 5 variables, input treesize:208, output treesize:356 [2018-04-10 14:09:04,335 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 162 treesize of output 89 [2018-04-10 14:09:04,337 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 5 treesize of output 1 [2018-04-10 14:09:04,337 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-10 14:09:04,347 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 22 [2018-04-10 14:09:04,347 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-10 14:09:04,356 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 20 [2018-04-10 14:09:04,357 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-10 14:09:04,365 INFO L682 Elim1Store]: detected equality via solver [2018-04-10 14:09:04,365 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 21 [2018-04-10 14:09:04,366 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-04-10 14:09:04,373 INFO L267 ElimStorePlain]: Start of recursive call 2: 4 dim-1 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-04-10 14:09:04,383 INFO L267 ElimStorePlain]: Start of recursive call 1: 5 dim-0 vars, 1 dim-2 vars, End of recursive call: 3 dim-0 vars, and 1 xjuncts. [2018-04-10 14:09:04,383 INFO L202 ElimStorePlain]: Needed 6 recursive calls to eliminate 6 variables, input treesize:173, output treesize:45 [2018-04-10 14:09:04,513 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 33 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 14:09:04,533 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-10 14:09:04,533 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [32, 29] total 56 [2018-04-10 14:09:04,533 INFO L442 AbstractCegarLoop]: Interpolant automaton has 57 states [2018-04-10 14:09:04,533 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 57 interpolants. [2018-04-10 14:09:04,533 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=473, Invalid=2719, Unknown=0, NotChecked=0, Total=3192 [2018-04-10 14:09:04,533 INFO L87 Difference]: Start difference. First operand 549 states and 613 transitions. Second operand 57 states. [2018-04-10 14:09:09,944 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 14:09:09,944 INFO L93 Difference]: Finished difference Result 887 states and 987 transitions. [2018-04-10 14:09:09,944 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2018-04-10 14:09:09,944 INFO L78 Accepts]: Start accepts. Automaton has 57 states. Word has length 90 [2018-04-10 14:09:09,944 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 14:09:09,946 INFO L225 Difference]: With dead ends: 887 [2018-04-10 14:09:09,946 INFO L226 Difference]: Without dead ends: 887 [2018-04-10 14:09:09,947 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 188 GetRequests, 63 SyntacticMatches, 4 SemanticMatches, 121 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5087 ImplicationChecksByTransitivity, 4.4s TimeCoverageRelationStatistics Valid=2558, Invalid=12430, Unknown=18, NotChecked=0, Total=15006 [2018-04-10 14:09:09,947 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 887 states. [2018-04-10 14:09:09,950 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 887 to 584. [2018-04-10 14:09:09,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 584 states. [2018-04-10 14:09:09,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 584 states to 584 states and 650 transitions. [2018-04-10 14:09:09,951 INFO L78 Accepts]: Start accepts. Automaton has 584 states and 650 transitions. Word has length 90 [2018-04-10 14:09:09,951 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 14:09:09,951 INFO L459 AbstractCegarLoop]: Abstraction has 584 states and 650 transitions. [2018-04-10 14:09:09,951 INFO L460 AbstractCegarLoop]: Interpolant automaton has 57 states. [2018-04-10 14:09:09,951 INFO L276 IsEmpty]: Start isEmpty. Operand 584 states and 650 transitions. [2018-04-10 14:09:09,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2018-04-10 14:09:09,952 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 14:09:09,952 INFO L355 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-10 14:09:09,952 INFO L408 AbstractCegarLoop]: === Iteration 48 === [mainErr55AssertViolationMEMORY_FREE, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr58AssertViolationMEMORY_FREE, mainErr3RequiresViolation, mainErr60EnsuresViolationMEMORY_LEAK, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr54AssertViolationMEMORY_FREE, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr59AssertViolationMEMORY_FREE, mainErr36RequiresViolation, mainErr51AssertViolationMEMORY_FREE, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr50AssertViolationMEMORY_FREE, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-04-10 14:09:09,952 INFO L82 PathProgramCache]: Analyzing trace with hash 2039944711, now seen corresponding path program 2 times [2018-04-10 14:09:09,952 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-10 14:09:09,952 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-10 14:09:09,953 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-10 14:09:09,953 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-04-10 14:09:09,953 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-10 14:09:09,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 14:09:09,968 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-10 14:09:10,599 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 33 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 14:09:10,600 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-04-10 14:09:10,600 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 35 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 35 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-04-10 14:09:10,607 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST1 [2018-04-10 14:09:10,638 INFO L242 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2018-04-10 14:09:10,638 INFO L243 tOrderPrioritization]: Conjunction of SSA is unsat [2018-04-10 14:09:10,640 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-10 14:09:10,650 INFO L700 Elim1Store]: detected not equals via solver [2018-04-10 14:09:10,650 INFO L700 Elim1Store]: detected not equals via solver [2018-04-10 14:09:10,651 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 4 [2018-04-10 14:09:10,651 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-10 14:09:10,655 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-10 14:09:10,655 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:23, output treesize:17 [2018-04-10 14:09:10,677 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-04-10 14:09:10,678 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 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 8 treesize of output 7 [2018-04-10 14:09:10,678 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-10 14:09:10,679 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-10 14:09:10,687 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-04-10 14:09:10,688 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 14:09:10,688 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-10 14:09:10,689 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-10 14:09:10,695 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 14:09:10,695 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:41, output treesize:30 [2018-04-10 14:09:10,747 INFO L700 Elim1Store]: detected not equals via solver [2018-04-10 14:09:10,749 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 55 [2018-04-10 14:09:10,750 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 14 treesize of output 13 [2018-04-10 14:09:10,751 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-10 14:09:10,755 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-10 14:09:10,765 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 30 [2018-04-10 14:09:10,772 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 14 treesize of output 13 [2018-04-10 14:09:10,772 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-10 14:09:10,775 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-10 14:09:10,782 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-10 14:09:10,782 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:72, output treesize:56 [2018-04-10 14:09:10,893 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 53 treesize of output 48 [2018-04-10 14:09:10,899 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 16 treesize of output 23 [2018-04-10 14:09:10,900 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 2 xjuncts. [2018-04-10 14:09:10,912 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-10 14:09:10,936 INFO L682 Elim1Store]: detected equality via solver [2018-04-10 14:09:10,938 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 59 treesize of output 63 [2018-04-10 14:09:10,939 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 20 [2018-04-10 14:09:10,939 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-10 14:09:10,946 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-10 14:09:10,951 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 63 treesize of output 68 [2018-04-10 14:09:10,953 INFO L682 Elim1Store]: detected equality via solver [2018-04-10 14:09:10,953 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 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 20 treesize of output 28 [2018-04-10 14:09:10,953 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-04-10 14:09:10,961 INFO L267 ElimStorePlain]: Start of recursive call 6: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-10 14:09:10,980 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-04-10 14:09:10,981 INFO L202 ElimStorePlain]: Needed 7 recursive calls to eliminate 3 variables, input treesize:87, output treesize:143 [2018-04-10 14:09:11,083 INFO L700 Elim1Store]: detected not equals via solver [2018-04-10 14:09:11,084 INFO L700 Elim1Store]: detected not equals via solver [2018-04-10 14:09:11,084 INFO L700 Elim1Store]: detected not equals via solver [2018-04-10 14:09:11,085 INFO L700 Elim1Store]: detected not equals via solver [2018-04-10 14:09:11,085 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 42 [2018-04-10 14:09:11,085 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-10 14:09:11,104 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 21 [2018-04-10 14:09:11,104 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-10 14:09:11,118 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-10 14:09:11,118 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:81, output treesize:90 [2018-04-10 14:09:11,170 INFO L700 Elim1Store]: detected not equals via solver [2018-04-10 14:09:11,173 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 65 treesize of output 64 [2018-04-10 14:09:11,175 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 7 [2018-04-10 14:09:11,175 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-10 14:09:11,184 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-10 14:09:11,205 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 36 [2018-04-10 14:09:11,208 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 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 18 treesize of output 11 [2018-04-10 14:09:11,208 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-10 14:09:11,211 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-10 14:09:11,225 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 14:09:11,225 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:117, output treesize:84 [2018-04-10 14:09:11,325 INFO L700 Elim1Store]: detected not equals via solver [2018-04-10 14:09:11,330 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 103 treesize of output 103 [2018-04-10 14:09:11,332 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 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 14 treesize of output 13 [2018-04-10 14:09:11,332 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-10 14:09:11,343 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-10 14:09:11,366 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 30 [2018-04-10 14:09:11,367 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 14 treesize of output 13 [2018-04-10 14:09:11,368 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-10 14:09:11,371 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-10 14:09:11,385 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-10 14:09:11,385 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:126, output treesize:110 [2018-04-10 14:09:11,564 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 143 treesize of output 125 [2018-04-10 14:09:11,571 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 20 treesize of output 27 [2018-04-10 14:09:11,571 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 2 xjuncts. [2018-04-10 14:09:11,590 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-10 14:09:11,636 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 120 treesize of output 119 [2018-04-10 14:09:11,638 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 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 24 treesize of output 21 [2018-04-10 14:09:11,639 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-10 14:09:11,658 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-10 14:09:11,664 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 128 treesize of output 127 [2018-04-10 14:09:11,671 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 24 treesize of output 39 [2018-04-10 14:09:11,672 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 2 xjuncts. [2018-04-10 14:09:11,694 INFO L267 ElimStorePlain]: Start of recursive call 6: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-10 14:09:11,741 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: 3 dim-0 vars, and 2 xjuncts. [2018-04-10 14:09:11,742 INFO L202 ElimStorePlain]: Needed 7 recursive calls to eliminate 4 variables, input treesize:177, output treesize:267 [2018-04-10 14:09:11,839 INFO L700 Elim1Store]: detected not equals via solver [2018-04-10 14:09:11,840 INFO L700 Elim1Store]: detected not equals via solver [2018-04-10 14:09:11,904 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 66 [2018-04-10 14:09:11,905 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-10 14:09:11,929 INFO L700 Elim1Store]: detected not equals via solver [2018-04-10 14:09:11,930 INFO L700 Elim1Store]: detected not equals via solver [2018-04-10 14:09:11,930 INFO L700 Elim1Store]: detected not equals via solver [2018-04-10 14:09:11,931 INFO L700 Elim1Store]: detected not equals via solver [2018-04-10 14:09:11,931 INFO L700 Elim1Store]: detected not equals via solver [2018-04-10 14:09:11,932 INFO L700 Elim1Store]: detected not equals via solver [2018-04-10 14:09:11,932 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 37 [2018-04-10 14:09:11,932 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-10 14:09:11,953 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-10 14:09:11,953 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:129, output treesize:112 [2018-04-10 14:09:12,028 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 44 [2018-04-10 14:09:12,030 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 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 22 treesize of output 15 [2018-04-10 14:09:12,030 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-10 14:09:12,034 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-10 14:09:12,058 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 93 treesize of output 87 [2018-04-10 14:09:12,060 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 7 [2018-04-10 14:09:12,060 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-10 14:09:12,070 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-10 14:09:12,085 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 2 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-10 14:09:12,085 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 5 variables, input treesize:134, output treesize:106 [2018-04-10 14:09:12,199 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 30 [2018-04-10 14:09:12,201 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 14 treesize of output 13 [2018-04-10 14:09:12,201 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-10 14:09:12,205 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-10 14:09:12,230 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 123 treesize of output 122 [2018-04-10 14:09:12,232 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 13 [2018-04-10 14:09:12,232 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-10 14:09:12,244 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-10 14:09:12,259 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-04-10 14:09:12,260 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:148, output treesize:132 [2018-04-10 14:09:12,442 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 64 treesize of output 51 [2018-04-10 14:09:12,449 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 28 treesize of output 47 [2018-04-10 14:09:12,449 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 2 xjuncts. [2018-04-10 14:09:12,459 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-10 14:09:12,497 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 233 treesize of output 153 [2018-04-10 14:09:12,500 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 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 36 treesize of output 25 [2018-04-10 14:09:12,500 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-10 14:09:12,517 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-10 14:09:12,531 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 249 treesize of output 161 [2018-04-10 14:09:12,539 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 36 treesize of output 55 [2018-04-10 14:09:12,539 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 2 xjuncts. [2018-04-10 14:09:12,562 INFO L267 ElimStorePlain]: Start of recursive call 6: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-10 14:09:12,617 INFO L267 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 2 dim-2 vars, End of recursive call: 7 dim-0 vars, and 2 xjuncts. [2018-04-10 14:09:12,617 INFO L202 ElimStorePlain]: Needed 7 recursive calls to eliminate 6 variables, input treesize:271, output treesize:429 [2018-04-10 14:09:12,882 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 14:09:12,883 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 14:09:12,883 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-10 14:09:12,885 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-10 14:09:12,902 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: 3 dim-0 vars, and 1 xjuncts. [2018-04-10 14:09:12,902 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:207, output treesize:192 [2018-04-10 14:09:13,009 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 183 treesize of output 100 [2018-04-10 14:09:13,011 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 22 [2018-04-10 14:09:13,011 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-10 14:09:13,025 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 5 treesize of output 1 [2018-04-10 14:09:13,025 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-04-10 14:09:13,036 INFO L682 Elim1Store]: detected equality via solver [2018-04-10 14:09:13,037 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 25 [2018-04-10 14:09:13,037 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-10 14:09:13,047 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 25 [2018-04-10 14:09:13,047 INFO L267 ElimStorePlain]: Start of recursive call 6: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-10 14:09:13,057 INFO L267 ElimStorePlain]: Start of recursive call 2: 4 dim-1 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-04-10 14:09:13,072 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 20 [2018-04-10 14:09:13,073 INFO L682 Elim1Store]: detected equality via solver [2018-04-10 14:09:13,074 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2018-04-10 14:09:13,074 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2018-04-10 14:09:13,083 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 5 treesize of output 1 [2018-04-10 14:09:13,083 INFO L267 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2018-04-10 14:09:13,084 INFO L267 ElimStorePlain]: Start of recursive call 7: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-10 14:09:13,096 INFO L267 ElimStorePlain]: Start of recursive call 1: 5 dim-0 vars, 2 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-04-10 14:09:13,096 INFO L202 ElimStorePlain]: Needed 9 recursive calls to eliminate 7 variables, input treesize:206, output treesize:31 [2018-04-10 14:09:13,237 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 33 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 14:09:13,255 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-10 14:09:13,255 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [32, 33] total 60 [2018-04-10 14:09:13,255 INFO L442 AbstractCegarLoop]: Interpolant automaton has 61 states [2018-04-10 14:09:13,255 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 61 interpolants. [2018-04-10 14:09:13,255 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=296, Invalid=3364, Unknown=0, NotChecked=0, Total=3660 [2018-04-10 14:09:13,256 INFO L87 Difference]: Start difference. First operand 584 states and 650 transitions. Second operand 61 states. [2018-04-10 14:09:23,691 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 14:09:23,691 INFO L93 Difference]: Finished difference Result 726 states and 800 transitions. [2018-04-10 14:09:23,691 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2018-04-10 14:09:23,691 INFO L78 Accepts]: Start accepts. Automaton has 61 states. Word has length 90 [2018-04-10 14:09:23,691 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 14:09:23,692 INFO L225 Difference]: With dead ends: 726 [2018-04-10 14:09:23,692 INFO L226 Difference]: Without dead ends: 726 [2018-04-10 14:09:23,693 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 185 GetRequests, 60 SyntacticMatches, 4 SemanticMatches, 121 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4514 ImplicationChecksByTransitivity, 9.7s TimeCoverageRelationStatistics Valid=1894, Invalid=13110, Unknown=2, NotChecked=0, Total=15006 [2018-04-10 14:09:23,693 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 726 states. [2018-04-10 14:09:23,696 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 726 to 584. [2018-04-10 14:09:23,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 584 states. [2018-04-10 14:09:23,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 584 states to 584 states and 650 transitions. [2018-04-10 14:09:23,697 INFO L78 Accepts]: Start accepts. Automaton has 584 states and 650 transitions. Word has length 90 [2018-04-10 14:09:23,697 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 14:09:23,697 INFO L459 AbstractCegarLoop]: Abstraction has 584 states and 650 transitions. [2018-04-10 14:09:23,697 INFO L460 AbstractCegarLoop]: Interpolant automaton has 61 states. [2018-04-10 14:09:23,697 INFO L276 IsEmpty]: Start isEmpty. Operand 584 states and 650 transitions. [2018-04-10 14:09:23,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2018-04-10 14:09:23,697 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 14:09:23,697 INFO L355 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:09:23,697 INFO L408 AbstractCegarLoop]: === Iteration 49 === [mainErr55AssertViolationMEMORY_FREE, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr58AssertViolationMEMORY_FREE, mainErr3RequiresViolation, mainErr60EnsuresViolationMEMORY_LEAK, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr54AssertViolationMEMORY_FREE, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr59AssertViolationMEMORY_FREE, mainErr36RequiresViolation, mainErr51AssertViolationMEMORY_FREE, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr50AssertViolationMEMORY_FREE, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-04-10 14:09:23,698 INFO L82 PathProgramCache]: Analyzing trace with hash -334570283, now seen corresponding path program 1 times [2018-04-10 14:09:23,698 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-10 14:09:23,698 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-10 14:09:23,698 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-10 14:09:23,698 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-04-10 14:09:23,698 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-10 14:09:23,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 14:09:23,704 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-10 14:09:24,281 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 14:09:24,281 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-04-10 14:09:24,281 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 36 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 36 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-04-10 14:09:24,286 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-10 14:09:24,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 14:09:24,310 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-10 14:09:24,312 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-04-10 14:09:24,312 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-10 14:09:24,313 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-10 14:09:24,313 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2018-04-10 14:09:24,393 INFO L700 Elim1Store]: detected not equals via solver [2018-04-10 14:09:24,393 INFO L700 Elim1Store]: detected not equals via solver [2018-04-10 14:09:24,393 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 4 [2018-04-10 14:09:24,394 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-10 14:09:24,399 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 15 [2018-04-10 14:09:24,399 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-10 14:09:24,402 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-10 14:09:24,403 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:28, output treesize:21 [2018-04-10 14:09:24,460 INFO L700 Elim1Store]: detected not equals via solver [2018-04-10 14:09:24,461 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 24 [2018-04-10 14:09:24,461 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-10 14:09:24,468 INFO L700 Elim1Store]: detected not equals via solver [2018-04-10 14:09:24,468 INFO L700 Elim1Store]: detected not equals via solver [2018-04-10 14:09:24,469 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 4 [2018-04-10 14:09:24,469 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-10 14:09:24,473 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-1 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-04-10 14:09:24,474 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:34, output treesize:27 [2018-04-10 14:09:24,625 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 18 treesize of output 34 [2018-04-10 14:09:24,625 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2018-04-10 14:09:24,636 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: 2 dim-0 vars, and 2 xjuncts. [2018-04-10 14:09:24,636 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:47, output treesize:64 [2018-04-10 14:09:24,689 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 60 treesize of output 58 [2018-04-10 14:09:24,690 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 46 [2018-04-10 14:09:24,691 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-10 14:09:24,711 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 46 treesize of output 41 [2018-04-10 14:09:24,711 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-04-10 14:09:24,738 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 46 treesize of output 44 [2018-04-10 14:09:24,738 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-04-10 14:09:24,760 INFO L267 ElimStorePlain]: Start of recursive call 2: 3 dim-1 vars, End of recursive call: 2 dim-0 vars, and 3 xjuncts. [2018-04-10 14:09:24,791 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 61 treesize of output 49 [2018-04-10 14:09:24,792 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 20 [2018-04-10 14:09:24,792 INFO L267 ElimStorePlain]: Start of recursive call 7: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-10 14:09:24,799 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 5 treesize of output 1 [2018-04-10 14:09:24,799 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2018-04-10 14:09:24,804 INFO L267 ElimStorePlain]: Start of recursive call 6: 2 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-10 14:09:24,833 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: 7 dim-0 vars, and 4 xjuncts. [2018-04-10 14:09:24,833 INFO L202 ElimStorePlain]: Needed 8 recursive calls to eliminate 4 variables, input treesize:122, output treesize:150 [2018-04-10 14:09:25,773 WARN L151 SmtUtils]: Spent 424ms on a formula simplification. DAG size of input: 71 DAG size of output 68 [2018-04-10 14:09:25,973 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 2 case distinctions, treesize of input 53 treesize of output 63 [2018-04-10 14:09:25,985 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 3 case distinctions, treesize of input 45 treesize of output 53 [2018-04-10 14:09:25,986 INFO L267 ElimStorePlain]: Start of recursive call 3: 2 dim-0 vars, End of recursive call: 2 dim-0 vars, and 8 xjuncts. [2018-04-10 14:09:26,084 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 3 case distinctions, treesize of input 37 treesize of output 47 [2018-04-10 14:09:26,084 INFO L267 ElimStorePlain]: Start of recursive call 4: 2 dim-0 vars, End of recursive call: 2 dim-0 vars, and 8 xjuncts. [2018-04-10 14:09:26,179 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 34 [2018-04-10 14:09:26,180 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-10 14:09:26,181 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 35 [2018-04-10 14:09:26,181 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-04-10 14:09:26,256 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 51 treesize of output 46 [2018-04-10 14:09:26,256 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-04-10 14:09:26,334 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 43 treesize of output 42 [2018-04-10 14:09:26,334 INFO L267 ElimStorePlain]: Start of recursive call 8: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-04-10 14:09:26,434 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 1 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 35 [2018-04-10 14:09:26,435 INFO L267 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 2 xjuncts. [2018-04-10 14:09:26,438 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 1 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 35 [2018-04-10 14:09:26,439 INFO L267 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 2 xjuncts. [2018-04-10 14:09:26,541 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 42 [2018-04-10 14:09:26,542 INFO L267 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2018-04-10 14:09:26,637 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 32 treesize of output 31 [2018-04-10 14:09:26,638 INFO L267 ElimStorePlain]: Start of recursive call 12: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-04-10 14:09:26,713 INFO L267 ElimStorePlain]: Start of recursive call 2: 8 dim-1 vars, End of recursive call: 7 dim-0 vars, and 9 xjuncts. [2018-04-10 14:09:26,844 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 2 case distinctions, treesize of input 53 treesize of output 63 [2018-04-10 14:09:26,848 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 1 new quantified variables, introduced 1 case distinctions, treesize of input 43 treesize of output 42 [2018-04-10 14:09:26,849 INFO L267 ElimStorePlain]: Start of recursive call 14: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-04-10 14:09:26,904 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 3 case distinctions, treesize of input 37 treesize of output 47 [2018-04-10 14:09:26,905 INFO L267 ElimStorePlain]: Start of recursive call 15: 2 dim-0 vars, End of recursive call: 2 dim-0 vars, and 8 xjuncts. [2018-04-10 14:09:26,992 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 43 [2018-04-10 14:09:26,992 INFO L267 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2018-04-10 14:09:27,074 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 51 treesize of output 46 [2018-04-10 14:09:27,074 INFO L267 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 1 xjuncts. [2018-04-10 14:09:27,167 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 3 case distinctions, treesize of input 37 treesize of output 47 [2018-04-10 14:09:27,168 INFO L267 ElimStorePlain]: Start of recursive call 18: 2 dim-0 vars, End of recursive call: 2 dim-0 vars, and 8 xjuncts. [2018-04-10 14:09:27,268 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 46 treesize of output 43 [2018-04-10 14:09:27,268 INFO L267 ElimStorePlain]: Start of recursive call 19: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-04-10 14:09:27,367 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 1 new quantified variables, introduced 1 case distinctions, treesize of input 38 treesize of output 39 [2018-04-10 14:09:27,367 INFO L267 ElimStorePlain]: Start of recursive call 20: End of recursive call: and 2 xjuncts. [2018-04-10 14:09:27,371 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 1 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 35 [2018-04-10 14:09:27,371 INFO L267 ElimStorePlain]: Start of recursive call 21: End of recursive call: and 2 xjuncts. [2018-04-10 14:09:27,445 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 35 [2018-04-10 14:09:27,446 INFO L267 ElimStorePlain]: Start of recursive call 22: End of recursive call: and 1 xjuncts. [2018-04-10 14:09:27,508 INFO L267 ElimStorePlain]: Start of recursive call 13: 8 dim-1 vars, End of recursive call: 6 dim-0 vars, and 8 xjuncts. [2018-04-10 14:09:27,695 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 3 case distinctions, treesize of input 48 treesize of output 68 [2018-04-10 14:09:27,701 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 46 treesize of output 45 [2018-04-10 14:09:27,701 INFO L267 ElimStorePlain]: Start of recursive call 24: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-04-10 14:09:27,801 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 48 treesize of output 46 [2018-04-10 14:09:27,801 INFO L267 ElimStorePlain]: Start of recursive call 25: End of recursive call: and 1 xjuncts. [2018-04-10 14:09:27,905 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 3 case distinctions, treesize of input 40 treesize of output 50 [2018-04-10 14:09:27,906 INFO L267 ElimStorePlain]: Start of recursive call 26: 2 dim-0 vars, End of recursive call: 2 dim-0 vars, and 8 xjuncts. [2018-04-10 14:09:28,060 INFO L700 Elim1Store]: detected not equals via solver [2018-04-10 14:09:28,079 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 4 case distinctions, treesize of input 38 treesize of output 62 [2018-04-10 14:09:28,080 INFO L267 ElimStorePlain]: Start of recursive call 27: 4 dim-0 vars, End of recursive call: 4 dim-0 vars, and 11 xjuncts. [2018-04-10 14:09:28,301 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 44 treesize of output 39 [2018-04-10 14:09:28,301 INFO L267 ElimStorePlain]: Start of recursive call 28: End of recursive call: and 1 xjuncts. [2018-04-10 14:09:28,528 INFO L700 Elim1Store]: detected not equals via solver [2018-04-10 14:09:28,542 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 4 case distinctions, treesize of input 40 treesize of output 62 [2018-04-10 14:09:28,543 INFO L267 ElimStorePlain]: Start of recursive call 29: 4 dim-0 vars, End of recursive call: 4 dim-0 vars, and 16 xjuncts. [2018-04-10 14:09:28,818 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 3 case distinctions, treesize of input 34 treesize of output 46 [2018-04-10 14:09:28,819 INFO L267 ElimStorePlain]: Start of recursive call 30: 2 dim-0 vars, End of recursive call: 2 dim-0 vars, and 8 xjuncts. [2018-04-10 14:09:29,062 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 41 treesize of output 42 [2018-04-10 14:09:29,062 INFO L267 ElimStorePlain]: Start of recursive call 31: End of recursive call: and 2 xjuncts. [2018-04-10 14:09:29,066 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 37 treesize of output 38 [2018-04-10 14:09:29,067 INFO L267 ElimStorePlain]: Start of recursive call 32: End of recursive call: and 2 xjuncts. [2018-04-10 14:09:29,323 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 3 case distinctions, treesize of input 40 treesize of output 50 [2018-04-10 14:09:29,324 INFO L267 ElimStorePlain]: Start of recursive call 33: 2 dim-0 vars, End of recursive call: 2 dim-0 vars, and 8 xjuncts. [2018-04-10 14:09:29,583 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 50 [2018-04-10 14:09:29,583 INFO L267 ElimStorePlain]: Start of recursive call 34: End of recursive call: and 1 xjuncts. [2018-04-10 14:09:29,830 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 40 treesize of output 39 [2018-04-10 14:09:29,831 INFO L267 ElimStorePlain]: Start of recursive call 35: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-04-10 14:09:30,079 INFO L700 Elim1Store]: detected not equals via solver [2018-04-10 14:09:30,082 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 42 [2018-04-10 14:09:30,083 INFO L267 ElimStorePlain]: Start of recursive call 36: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-04-10 14:09:30,317 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 35 treesize of output 30 [2018-04-10 14:09:30,318 INFO L267 ElimStorePlain]: Start of recursive call 37: End of recursive call: and 1 xjuncts. [2018-04-10 14:09:30,520 INFO L267 ElimStorePlain]: Start of recursive call 23: 13 dim-1 vars, End of recursive call: 18 dim-0 vars, and 20 xjuncts. [2018-04-10 14:09:31,000 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 3 case distinctions, treesize of input 48 treesize of output 68 [2018-04-10 14:09:31,008 INFO L700 Elim1Store]: detected not equals via solver [2018-04-10 14:09:31,015 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 34 treesize of output 42 [2018-04-10 14:09:31,015 INFO L267 ElimStorePlain]: Start of recursive call 39: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 4 xjuncts. [2018-04-10 14:09:31,127 INFO L700 Elim1Store]: detected not equals via solver [2018-04-10 14:09:31,134 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 40 treesize of output 46 [2018-04-10 14:09:31,135 INFO L267 ElimStorePlain]: Start of recursive call 40: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 4 xjuncts. [2018-04-10 14:09:31,260 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 54 treesize of output 49 [2018-04-10 14:09:31,260 INFO L267 ElimStorePlain]: Start of recursive call 41: End of recursive call: and 1 xjuncts. [2018-04-10 14:09:31,356 INFO L700 Elim1Store]: detected not equals via solver [2018-04-10 14:09:31,363 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 40 treesize of output 46 [2018-04-10 14:09:31,364 INFO L267 ElimStorePlain]: Start of recursive call 42: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 4 xjuncts. [2018-04-10 14:09:31,471 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 49 treesize of output 46 [2018-04-10 14:09:31,472 INFO L267 ElimStorePlain]: Start of recursive call 43: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-04-10 14:09:31,575 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 34 [2018-04-10 14:09:31,575 INFO L267 ElimStorePlain]: Start of recursive call 44: End of recursive call: and 1 xjuncts. [2018-04-10 14:09:31,576 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 34 [2018-04-10 14:09:31,576 INFO L267 ElimStorePlain]: Start of recursive call 45: End of recursive call: and 1 xjuncts. [2018-04-10 14:09:31,685 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 46 treesize of output 45 [2018-04-10 14:09:31,685 INFO L267 ElimStorePlain]: Start of recursive call 46: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-04-10 14:09:31,788 INFO L700 Elim1Store]: detected not equals via solver [2018-04-10 14:09:31,791 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 38 treesize of output 38 [2018-04-10 14:09:31,791 INFO L267 ElimStorePlain]: Start of recursive call 47: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-04-10 14:09:31,891 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 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 37 treesize of output 30 [2018-04-10 14:09:31,891 INFO L267 ElimStorePlain]: Start of recursive call 48: End of recursive call: and 1 xjuncts. [2018-04-10 14:09:31,989 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 48 treesize of output 46 [2018-04-10 14:09:31,990 INFO L267 ElimStorePlain]: Start of recursive call 49: End of recursive call: and 1 xjuncts. [2018-04-10 14:09:32,080 INFO L700 Elim1Store]: detected not equals via solver [2018-04-10 14:09:32,087 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 40 treesize of output 46 [2018-04-10 14:09:32,087 INFO L267 ElimStorePlain]: Start of recursive call 50: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 4 xjuncts. [2018-04-10 14:09:32,193 INFO L700 Elim1Store]: detected not equals via solver [2018-04-10 14:09:32,196 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 44 treesize of output 47 [2018-04-10 14:09:32,197 INFO L267 ElimStorePlain]: Start of recursive call 51: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-04-10 14:09:32,289 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 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 31 treesize of output 26 [2018-04-10 14:09:32,289 INFO L267 ElimStorePlain]: Start of recursive call 52: End of recursive call: and 1 xjuncts. [2018-04-10 14:09:32,367 INFO L267 ElimStorePlain]: Start of recursive call 38: 13 dim-1 vars, End of recursive call: 8 dim-0 vars, and 11 xjuncts. [2018-04-10 14:09:33,004 INFO L267 ElimStorePlain]: Start of recursive call 1: 11 dim-0 vars, 4 dim-2 vars, End of recursive call: 39 dim-0 vars, and 45 xjuncts. [2018-04-10 14:09:33,004 INFO L202 ElimStorePlain]: Needed 52 recursive calls to eliminate 15 variables, input treesize:203, output treesize:807 [2018-04-10 14:09:33,372 INFO L700 Elim1Store]: detected not equals via solver [2018-04-10 14:09:33,372 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 21 [2018-04-10 14:09:33,372 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-10 14:09:33,376 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-10 14:09:33,376 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:20, output treesize:15 [2018-04-10 14:09:33,498 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 14:09:33,516 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-10 14:09:33,516 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [31, 23] total 53 [2018-04-10 14:09:33,516 INFO L442 AbstractCegarLoop]: Interpolant automaton has 54 states [2018-04-10 14:09:33,516 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 54 interpolants. [2018-04-10 14:09:33,517 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=181, Invalid=2681, Unknown=0, NotChecked=0, Total=2862 [2018-04-10 14:09:33,517 INFO L87 Difference]: Start difference. First operand 584 states and 650 transitions. Second operand 54 states. [2018-04-10 14:09:38,028 WARN L151 SmtUtils]: Spent 130ms on a formula simplification. DAG size of input: 138 DAG size of output 101 [2018-04-10 14:09:40,342 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 14:09:40,342 INFO L93 Difference]: Finished difference Result 667 states and 732 transitions. [2018-04-10 14:09:40,342 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 66 states. [2018-04-10 14:09:40,342 INFO L78 Accepts]: Start accepts. Automaton has 54 states. Word has length 92 [2018-04-10 14:09:40,342 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 14:09:40,344 INFO L225 Difference]: With dead ends: 667 [2018-04-10 14:09:40,344 INFO L226 Difference]: Without dead ends: 667 [2018-04-10 14:09:40,344 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 188 GetRequests, 68 SyntacticMatches, 4 SemanticMatches, 116 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3277 ImplicationChecksByTransitivity, 6.8s TimeCoverageRelationStatistics Valid=2021, Invalid=11779, Unknown=6, NotChecked=0, Total=13806 [2018-04-10 14:09:40,345 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 667 states. [2018-04-10 14:09:40,347 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 667 to 610. [2018-04-10 14:09:40,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 610 states. [2018-04-10 14:09:40,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 610 states to 610 states and 680 transitions. [2018-04-10 14:09:40,348 INFO L78 Accepts]: Start accepts. Automaton has 610 states and 680 transitions. Word has length 92 [2018-04-10 14:09:40,349 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 14:09:40,349 INFO L459 AbstractCegarLoop]: Abstraction has 610 states and 680 transitions. [2018-04-10 14:09:40,349 INFO L460 AbstractCegarLoop]: Interpolant automaton has 54 states. [2018-04-10 14:09:40,349 INFO L276 IsEmpty]: Start isEmpty. Operand 610 states and 680 transitions. [2018-04-10 14:09:40,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2018-04-10 14:09:40,349 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 14:09:40,349 INFO L355 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-10 14:09:40,349 INFO L408 AbstractCegarLoop]: === Iteration 50 === [mainErr55AssertViolationMEMORY_FREE, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr58AssertViolationMEMORY_FREE, mainErr3RequiresViolation, mainErr60EnsuresViolationMEMORY_LEAK, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr54AssertViolationMEMORY_FREE, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr59AssertViolationMEMORY_FREE, mainErr36RequiresViolation, mainErr51AssertViolationMEMORY_FREE, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr50AssertViolationMEMORY_FREE, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-04-10 14:09:40,350 INFO L82 PathProgramCache]: Analyzing trace with hash -1164541384, now seen corresponding path program 4 times [2018-04-10 14:09:40,350 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-10 14:09:40,350 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-10 14:09:40,351 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-10 14:09:40,351 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-10 14:09:40,351 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-10 14:09:40,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 14:09:40,363 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-10 14:09:40,819 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 3 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 14:09:40,819 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-04-10 14:09:40,819 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 37 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 37 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-04-10 14:09:40,824 INFO L103 rtionOrderModulation]: Keeping assertion order TERMS_WITH_SMALL_CONSTANTS_FIRST [2018-04-10 14:09:40,847 INFO L242 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2018-04-10 14:09:40,847 INFO L243 tOrderPrioritization]: Conjunction of SSA is unsat [2018-04-10 14:09:40,849 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-10 14:09:40,867 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 14:09:40,868 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 14:09:40,868 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-10 14:09:40,869 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-10 14:09:40,875 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 14:09:40,876 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 14:09:40,876 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-10 14:09:40,877 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-10 14:09:40,880 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 14:09:40,880 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:29, output treesize:7 [2018-04-10 14:09:40,899 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 14 [2018-04-10 14:09:40,900 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 14 treesize of output 13 [2018-04-10 14:09:40,900 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-10 14:09:40,901 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-10 14:09:40,914 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 35 treesize of output 44 [2018-04-10 14:09:40,916 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 36 treesize of output 35 [2018-04-10 14:09:40,916 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-10 14:09:40,929 INFO L267 ElimStorePlain]: Start of recursive call 4: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-10 14:09:40,933 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-10 14:09:40,933 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:49, output treesize:33 [2018-04-10 14:09:41,018 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 4 case distinctions, treesize of input 45 treesize of output 49 [2018-04-10 14:09:41,027 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 40 treesize of output 55 [2018-04-10 14:09:41,027 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 2 xjuncts. [2018-04-10 14:09:41,064 INFO L682 Elim1Store]: detected equality via solver [2018-04-10 14:09:41,075 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 4 case distinctions, treesize of input 35 treesize of output 58 [2018-04-10 14:09:41,076 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 4 xjuncts. [2018-04-10 14:09:41,118 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 4 xjuncts. [2018-04-10 14:09:41,159 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 58 treesize of output 47 [2018-04-10 14:09:41,169 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 35 treesize of output 33 [2018-04-10 14:09:41,169 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 2 xjuncts. [2018-04-10 14:09:41,191 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-10 14:09:41,205 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 4 case distinctions, treesize of input 59 treesize of output 73 [2018-04-10 14:09:41,214 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 3 case distinctions, treesize of input 55 treesize of output 53 [2018-04-10 14:09:41,214 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 2 xjuncts. [2018-04-10 14:09:41,254 INFO L682 Elim1Store]: detected equality via solver [2018-04-10 14:09:41,255 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 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 54 treesize of output 55 [2018-04-10 14:09:41,255 INFO L267 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2018-04-10 14:09:41,279 INFO L267 ElimStorePlain]: Start of recursive call 7: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-10 14:09:41,298 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 4 case distinctions, treesize of input 59 treesize of output 93 [2018-04-10 14:09:41,313 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 5 case distinctions, treesize of input 63 treesize of output 82 [2018-04-10 14:09:41,313 INFO L267 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 4 xjuncts. [2018-04-10 14:09:41,375 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 66 treesize of output 97 [2018-04-10 14:09:41,375 INFO L267 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 2 xjuncts. [2018-04-10 14:09:41,421 INFO L267 ElimStorePlain]: Start of recursive call 10: 2 dim-1 vars, End of recursive call: and 4 xjuncts. [2018-04-10 14:09:41,424 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 38 [2018-04-10 14:09:41,426 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 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 35 treesize of output 23 [2018-04-10 14:09:41,426 INFO L267 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2018-04-10 14:09:41,431 INFO L267 ElimStorePlain]: Start of recursive call 13: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-10 14:09:41,490 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: 2 dim-0 vars, and 4 xjuncts. [2018-04-10 14:09:41,490 INFO L202 ElimStorePlain]: Needed 14 recursive calls to eliminate 3 variables, input treesize:63, output treesize:183 [2018-04-10 14:09:41,558 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 43 treesize of output 38 [2018-04-10 14:09:41,560 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 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 14 treesize of output 11 [2018-04-10 14:09:41,560 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-10 14:09:41,565 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-10 14:09:41,595 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 63 treesize of output 71 [2018-04-10 14:09:41,597 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 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 62 treesize of output 63 [2018-04-10 14:09:41,598 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-10 14:09:41,637 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 3 case distinctions, treesize of input 57 treesize of output 78 [2018-04-10 14:09:41,637 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 3 xjuncts. [2018-04-10 14:09:41,674 INFO L267 ElimStorePlain]: Start of recursive call 4: 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-04-10 14:09:41,718 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 59 treesize of output 46 [2018-04-10 14:09:41,721 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 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 36 treesize of output 34 [2018-04-10 14:09:41,721 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2018-04-10 14:09:41,727 INFO L267 ElimStorePlain]: Start of recursive call 7: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-10 14:09:41,729 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 41 [2018-04-10 14:09:41,732 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 21 [2018-04-10 14:09:41,732 INFO L267 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2018-04-10 14:09:41,737 INFO L267 ElimStorePlain]: Start of recursive call 9: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-10 14:09:41,742 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 56 treesize of output 51 [2018-04-10 14:09:41,744 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 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 22 treesize of output 23 [2018-04-10 14:09:41,744 INFO L267 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2018-04-10 14:09:41,755 INFO L267 ElimStorePlain]: Start of recursive call 11: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-10 14:09:41,783 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 32 treesize of output 27 [2018-04-10 14:09:41,785 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 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 14 treesize of output 11 [2018-04-10 14:09:41,785 INFO L267 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2018-04-10 14:09:41,789 INFO L267 ElimStorePlain]: Start of recursive call 13: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-10 14:09:41,812 INFO L267 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 4 dim-2 vars, End of recursive call: and 4 xjuncts. [2018-04-10 14:09:41,813 INFO L202 ElimStorePlain]: Needed 14 recursive calls to eliminate 8 variables, input treesize:107, output treesize:66 [2018-04-10 14:09:41,894 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 57 treesize of output 73 [2018-04-10 14:09:41,896 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 58 treesize of output 57 [2018-04-10 14:09:41,896 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-10 14:09:41,918 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-10 14:09:41,944 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 49 treesize of output 56 [2018-04-10 14:09:41,946 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 50 treesize of output 49 [2018-04-10 14:09:41,946 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-10 14:09:41,963 INFO L267 ElimStorePlain]: Start of recursive call 4: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-10 14:09:41,979 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 41 treesize of output 34 [2018-04-10 14:09:41,980 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 14 treesize of output 13 [2018-04-10 14:09:41,980 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-04-10 14:09:41,985 INFO L267 ElimStorePlain]: Start of recursive call 6: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-10 14:09:42,020 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 7 case distinctions, treesize of input 49 treesize of output 73 [2018-04-10 14:09:42,027 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 47 [2018-04-10 14:09:42,027 INFO L267 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2018-04-10 14:09:42,092 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 42 treesize of output 41 [2018-04-10 14:09:42,092 INFO L267 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2018-04-10 14:09:42,105 INFO L267 ElimStorePlain]: Start of recursive call 8: 4 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-10 14:09:42,117 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 4 dim-2 vars, End of recursive call: 2 dim-0 vars, and 2 xjuncts. [2018-04-10 14:09:42,117 INFO L202 ElimStorePlain]: Needed 10 recursive calls to eliminate 6 variables, input treesize:107, output treesize:75 [2018-04-10 14:09:42,270 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 73 treesize of output 72 [2018-04-10 14:09:42,283 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 4 case distinctions, treesize of input 55 treesize of output 70 [2018-04-10 14:09:42,284 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 4 xjuncts. [2018-04-10 14:09:42,334 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 60 treesize of output 75 [2018-04-10 14:09:42,335 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 2 xjuncts. [2018-04-10 14:09:42,373 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 4 xjuncts. [2018-04-10 14:09:42,435 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 52 treesize of output 41 [2018-04-10 14:09:42,442 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 32 treesize of output 30 [2018-04-10 14:09:42,442 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 2 xjuncts. [2018-04-10 14:09:42,452 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-10 14:09:42,462 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 65 treesize of output 73 [2018-04-10 14:09:42,475 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 5 case distinctions, treesize of input 55 treesize of output 80 [2018-04-10 14:09:42,475 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 4 xjuncts. [2018-04-10 14:09:42,528 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 52 treesize of output 67 [2018-04-10 14:09:42,529 INFO L267 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 2 xjuncts. [2018-04-10 14:09:42,560 INFO L267 ElimStorePlain]: Start of recursive call 7: 2 dim-1 vars, End of recursive call: and 4 xjuncts. [2018-04-10 14:09:42,561 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 43 treesize of output 32 [2018-04-10 14:09:42,563 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 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 32 treesize of output 20 [2018-04-10 14:09:42,563 INFO L267 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2018-04-10 14:09:42,566 INFO L267 ElimStorePlain]: Start of recursive call 10: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-10 14:09:42,576 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 61 treesize of output 67 [2018-04-10 14:09:42,585 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 3 case distinctions, treesize of input 49 treesize of output 53 [2018-04-10 14:09:42,585 INFO L267 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 2 xjuncts. [2018-04-10 14:09:42,612 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 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 48 treesize of output 40 [2018-04-10 14:09:42,612 INFO L267 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2018-04-10 14:09:42,627 INFO L267 ElimStorePlain]: Start of recursive call 12: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-10 14:09:42,701 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 145 treesize of output 128 [2018-04-10 14:09:42,718 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 4 case distinctions, treesize of input 115 treesize of output 145 [2018-04-10 14:09:42,719 INFO L267 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 4 xjuncts. [2018-04-10 14:09:43,013 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 131 treesize of output 134 [2018-04-10 14:09:43,015 INFO L267 ElimStorePlain]: Start of recursive call 18: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-10 14:09:43,087 INFO L267 ElimStorePlain]: Start of recursive call 19: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-10 14:09:43,161 INFO L267 ElimStorePlain]: Start of recursive call 20: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-10 14:09:43,239 INFO L267 ElimStorePlain]: Start of recursive call 17: 1 dim-0 vars, 3 dim-1 vars, End of recursive call: 4 dim-0 vars, and 4 xjuncts. [2018-04-10 14:09:43,885 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 6 case distinctions, treesize of input 106 treesize of output 93 [2018-04-10 14:09:43,886 INFO L267 ElimStorePlain]: Start of recursive call 21: End of recursive call: and 8 xjuncts. [2018-04-10 14:09:45,002 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 132 treesize of output 163 [2018-04-10 14:09:45,003 INFO L267 ElimStorePlain]: Start of recursive call 22: End of recursive call: and 2 xjuncts. [2018-04-10 14:09:45,691 INFO L267 ElimStorePlain]: Start of recursive call 23: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-10 14:09:46,298 INFO L267 ElimStorePlain]: Start of recursive call 15: 5 dim-1 vars, End of recursive call: 4 dim-0 vars, and 13 xjuncts. [2018-04-10 14:09:47,184 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 108 treesize of output 92 [2018-04-10 14:09:47,199 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 74 treesize of output 91 [2018-04-10 14:09:47,200 INFO L267 ElimStorePlain]: Start of recursive call 25: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 4 xjuncts. [2018-04-10 14:09:47,245 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 3 case distinctions, treesize of input 77 treesize of output 73 [2018-04-10 14:09:47,245 INFO L267 ElimStorePlain]: Start of recursive call 26: End of recursive call: and 2 xjuncts. [2018-04-10 14:09:47,268 INFO L267 ElimStorePlain]: Start of recursive call 24: 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-04-10 14:09:47,288 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 7 case distinctions, treesize of input 129 treesize of output 125 [2018-04-10 14:09:47,303 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 5 case distinctions, treesize of input 123 treesize of output 164 [2018-04-10 14:09:47,304 INFO L267 ElimStorePlain]: Start of recursive call 28: End of recursive call: and 4 xjuncts. [2018-04-10 14:09:47,432 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 119 treesize of output 126 [2018-04-10 14:09:47,434 INFO L267 ElimStorePlain]: Start of recursive call 30: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-10 14:09:47,469 INFO L267 ElimStorePlain]: Start of recursive call 31: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-10 14:09:47,502 INFO L267 ElimStorePlain]: Start of recursive call 32: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-10 14:09:47,534 INFO L267 ElimStorePlain]: Start of recursive call 29: 1 dim-0 vars, 3 dim-1 vars, End of recursive call: 4 dim-0 vars, and 4 xjuncts. [2018-04-10 14:09:47,667 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 116 treesize of output 147 [2018-04-10 14:09:47,667 INFO L267 ElimStorePlain]: Start of recursive call 33: End of recursive call: and 2 xjuncts. [2018-04-10 14:09:47,800 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 6 new quantified variables, introduced 8 case distinctions, treesize of input 106 treesize of output 121 [2018-04-10 14:09:47,802 INFO L267 ElimStorePlain]: Start of recursive call 34: 5 dim-0 vars, End of recursive call: 5 dim-0 vars, and 8 xjuncts. [2018-04-10 14:09:47,970 INFO L267 ElimStorePlain]: Start of recursive call 27: 4 dim-1 vars, End of recursive call: 6 dim-0 vars, and 13 xjuncts. [2018-04-10 14:09:47,984 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 4 case distinctions, treesize of input 94 treesize of output 72 [2018-04-10 14:09:47,986 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 67 treesize of output 50 [2018-04-10 14:09:47,986 INFO L267 ElimStorePlain]: Start of recursive call 36: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-10 14:09:48,018 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 58 treesize of output 48 [2018-04-10 14:09:48,019 INFO L267 ElimStorePlain]: Start of recursive call 37: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-04-10 14:09:48,047 INFO L267 ElimStorePlain]: Start of recursive call 35: 2 dim-1 vars, End of recursive call: 2 dim-0 vars, and 4 xjuncts. [2018-04-10 14:09:48,066 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 4 case distinctions, treesize of input 142 treesize of output 114 [2018-04-10 14:09:48,078 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 105 treesize of output 119 [2018-04-10 14:09:48,079 INFO L267 ElimStorePlain]: Start of recursive call 39: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 4 xjuncts. [2018-04-10 14:09:48,188 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 8 case distinctions, treesize of input 88 treesize of output 112 [2018-04-10 14:09:48,190 INFO L267 ElimStorePlain]: Start of recursive call 40: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 8 xjuncts. [2018-04-10 14:09:48,448 INFO L267 ElimStorePlain]: Start of recursive call 38: 2 dim-1 vars, End of recursive call: 1 dim-0 vars, and 11 xjuncts. [2018-04-10 14:09:48,458 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 91 treesize of output 75 [2018-04-10 14:09:48,460 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 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 68 treesize of output 48 [2018-04-10 14:09:48,460 INFO L267 ElimStorePlain]: Start of recursive call 42: End of recursive call: and 1 xjuncts. [2018-04-10 14:09:48,484 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 57 treesize of output 53 [2018-04-10 14:09:48,484 INFO L267 ElimStorePlain]: Start of recursive call 43: End of recursive call: and 2 xjuncts. [2018-04-10 14:09:48,497 INFO L267 ElimStorePlain]: Start of recursive call 41: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-10 14:09:48,499 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 56 treesize of output 43 [2018-04-10 14:09:48,507 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 27 treesize of output 23 [2018-04-10 14:09:48,507 INFO L267 ElimStorePlain]: Start of recursive call 45: End of recursive call: and 2 xjuncts. [2018-04-10 14:09:48,515 INFO L267 ElimStorePlain]: Start of recursive call 44: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-10 14:09:48,529 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 137 treesize of output 122 [2018-04-10 14:09:48,531 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 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 128 treesize of output 116 [2018-04-10 14:09:48,531 INFO L267 ElimStorePlain]: Start of recursive call 47: End of recursive call: and 1 xjuncts. [2018-04-10 14:09:48,563 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 3 case distinctions, treesize of input 101 treesize of output 97 [2018-04-10 14:09:48,564 INFO L267 ElimStorePlain]: Start of recursive call 48: End of recursive call: and 2 xjuncts. [2018-04-10 14:09:48,587 INFO L267 ElimStorePlain]: Start of recursive call 46: 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-04-10 14:09:48,600 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 4 case distinctions, treesize of input 153 treesize of output 105 [2018-04-10 14:09:48,617 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 79 treesize of output 82 [2018-04-10 14:09:48,618 INFO L267 ElimStorePlain]: Start of recursive call 50: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 4 xjuncts. [2018-04-10 14:09:48,670 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 94 treesize of output 82 [2018-04-10 14:09:48,670 INFO L267 ElimStorePlain]: Start of recursive call 51: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-04-10 14:09:48,708 INFO L267 ElimStorePlain]: Start of recursive call 49: 2 dim-1 vars, End of recursive call: 1 dim-0 vars, and 5 xjuncts. [2018-04-10 14:09:48,710 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 71 treesize of output 54 [2018-04-10 14:09:48,725 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 38 treesize of output 47 [2018-04-10 14:09:48,725 INFO L267 ElimStorePlain]: Start of recursive call 53: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 4 xjuncts. [2018-04-10 14:09:48,744 INFO L267 ElimStorePlain]: Start of recursive call 52: 1 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-04-10 14:09:48,754 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 108 treesize of output 92 [2018-04-10 14:09:48,762 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 85 treesize of output 83 [2018-04-10 14:09:48,763 INFO L267 ElimStorePlain]: Start of recursive call 55: End of recursive call: and 2 xjuncts. [2018-04-10 14:09:48,804 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 74 treesize of output 90 [2018-04-10 14:09:48,804 INFO L267 ElimStorePlain]: Start of recursive call 56: End of recursive call: and 4 xjuncts. [2018-04-10 14:09:48,851 INFO L267 ElimStorePlain]: Start of recursive call 54: 2 dim-1 vars, End of recursive call: and 6 xjuncts. [2018-04-10 14:09:48,863 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 4 case distinctions, treesize of input 139 treesize of output 97 [2018-04-10 14:09:48,879 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 75 treesize of output 82 [2018-04-10 14:09:48,880 INFO L267 ElimStorePlain]: Start of recursive call 58: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 4 xjuncts. [2018-04-10 14:09:48,940 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 86 treesize of output 76 [2018-04-10 14:09:48,940 INFO L267 ElimStorePlain]: Start of recursive call 59: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-04-10 14:09:48,987 INFO L267 ElimStorePlain]: Start of recursive call 57: 2 dim-1 vars, End of recursive call: 1 dim-0 vars, and 5 xjuncts. [2018-04-10 14:09:48,989 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 54 treesize of output 41 [2018-04-10 14:09:48,997 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 29 treesize of output 29 [2018-04-10 14:09:48,998 INFO L267 ElimStorePlain]: Start of recursive call 61: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-04-10 14:09:49,007 INFO L267 ElimStorePlain]: Start of recursive call 60: 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-04-10 14:09:49,008 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 39 treesize of output 30 [2018-04-10 14:09:49,010 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 7 [2018-04-10 14:09:49,010 INFO L267 ElimStorePlain]: Start of recursive call 63: End of recursive call: and 1 xjuncts. [2018-04-10 14:09:49,014 INFO L267 ElimStorePlain]: Start of recursive call 62: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-10 14:09:49,536 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 4 dim-2 vars, End of recursive call: 17 dim-0 vars, and 17 xjuncts. [2018-04-10 14:09:49,536 INFO L202 ElimStorePlain]: Needed 63 recursive calls to eliminate 6 variables, input treesize:219, output treesize:1308 Received shutdown request... [2018-04-10 14:09:49,896 INFO L175 TraceCheckSpWp]: Timeout while computing interpolants [2018-04-10 14:09:49,896 WARN L519 AbstractCegarLoop]: Verification canceled [2018-04-10 14:09:49,899 WARN L197 ceAbstractionStarter]: Timeout [2018-04-10 14:09:49,900 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.04 02:09:49 BoogieIcfgContainer [2018-04-10 14:09:49,900 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-04-10 14:09:49,900 INFO L168 Benchmark]: Toolchain (without parser) took 177691.04 ms. Allocated memory was 400.6 MB in the beginning and 612.9 MB in the end (delta: 212.3 MB). Free memory was 335.5 MB in the beginning and 477.7 MB in the end (delta: -142.2 MB). Peak memory consumption was 70.1 MB. Max. memory is 5.3 GB. [2018-04-10 14:09:49,901 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 400.6 MB. Free memory is still 362.4 MB. There was no memory consumed. Max. memory is 5.3 GB. [2018-04-10 14:09:49,901 INFO L168 Benchmark]: CACSL2BoogieTranslator took 246.43 ms. Allocated memory is still 400.6 MB. Free memory was 335.5 MB in the beginning and 306.4 MB in the end (delta: 29.1 MB). Peak memory consumption was 29.1 MB. Max. memory is 5.3 GB. [2018-04-10 14:09:49,901 INFO L168 Benchmark]: Boogie Preprocessor took 40.91 ms. Allocated memory is still 400.6 MB. Free memory was 306.4 MB in the beginning and 303.8 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 5.3 GB. [2018-04-10 14:09:49,901 INFO L168 Benchmark]: RCFGBuilder took 486.48 ms. Allocated memory was 400.6 MB in the beginning and 609.7 MB in the end (delta: 209.2 MB). Free memory was 303.8 MB in the beginning and 525.6 MB in the end (delta: -221.8 MB). Peak memory consumption was 22.1 MB. Max. memory is 5.3 GB. [2018-04-10 14:09:49,901 INFO L168 Benchmark]: TraceAbstraction took 176914.49 ms. Allocated memory was 609.7 MB in the beginning and 612.9 MB in the end (delta: 3.1 MB). Free memory was 525.6 MB in the beginning and 477.7 MB in the end (delta: 47.9 MB). Peak memory consumption was 51.1 MB. Max. memory is 5.3 GB. [2018-04-10 14:09:49,902 INFO L344 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 400.6 MB. Free memory is still 362.4 MB. There was no memory consumed. Max. memory is 5.3 GB. * CACSL2BoogieTranslator took 246.43 ms. Allocated memory is still 400.6 MB. Free memory was 335.5 MB in the beginning and 306.4 MB in the end (delta: 29.1 MB). Peak memory consumption was 29.1 MB. Max. memory is 5.3 GB. * Boogie Preprocessor took 40.91 ms. Allocated memory is still 400.6 MB. Free memory was 306.4 MB in the beginning and 303.8 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 5.3 GB. * RCFGBuilder took 486.48 ms. Allocated memory was 400.6 MB in the beginning and 609.7 MB in the end (delta: 209.2 MB). Free memory was 303.8 MB in the beginning and 525.6 MB in the end (delta: -221.8 MB). Peak memory consumption was 22.1 MB. Max. memory is 5.3 GB. * TraceAbstraction took 176914.49 ms. Allocated memory was 609.7 MB in the beginning and 612.9 MB in the end (delta: 3.1 MB). Free memory was 525.6 MB in the beginning and 477.7 MB in the end (delta: 47.9 MB). Peak memory consumption was 51.1 MB. Max. memory is 5.3 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 1054]: Timeout (TraceAbstraction) Unable to prove that free always succeeds (line 1054). Cancelled while BasicCegarLoop was analyzing trace of length 94 with TraceHistMax 4, while TraceCheckSpWp was constructing forward predicates, while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 225. - TimeoutResultAtElement [Line: 1019]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1019). Cancelled while BasicCegarLoop was analyzing trace of length 94 with TraceHistMax 4, while TraceCheckSpWp was constructing forward predicates, while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 225. - TimeoutResultAtElement [Line: 1016]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1016). Cancelled while BasicCegarLoop was analyzing trace of length 94 with TraceHistMax 4, while TraceCheckSpWp was constructing forward predicates, while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 225. - TimeoutResultAtElement [Line: 1018]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1018). Cancelled while BasicCegarLoop was analyzing trace of length 94 with TraceHistMax 4, while TraceCheckSpWp was constructing forward predicates, while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 225. - TimeoutResultAtElement [Line: 1036]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1036). Cancelled while BasicCegarLoop was analyzing trace of length 94 with TraceHistMax 4, while TraceCheckSpWp was constructing forward predicates, while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 225. - TimeoutResultAtElement [Line: 995]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 995). Cancelled while BasicCegarLoop was analyzing trace of length 94 with TraceHistMax 4, while TraceCheckSpWp was constructing forward predicates, while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 225. - TimeoutResultAtElement [Line: 1021]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1021). Cancelled while BasicCegarLoop was analyzing trace of length 94 with TraceHistMax 4, while TraceCheckSpWp was constructing forward predicates, while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 225. - TimeoutResultAtElement [Line: 1049]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1049). Cancelled while BasicCegarLoop was analyzing trace of length 94 with TraceHistMax 4, while TraceCheckSpWp was constructing forward predicates, while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 225. - TimeoutResultAtElement [Line: 1020]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1020). Cancelled while BasicCegarLoop was analyzing trace of length 94 with TraceHistMax 4, while TraceCheckSpWp was constructing forward predicates, while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 225. - TimeoutResultAtElement [Line: 1059]: Timeout (TraceAbstraction) Unable to prove that free always succeeds (line 1059). Cancelled while BasicCegarLoop was analyzing trace of length 94 with TraceHistMax 4, while TraceCheckSpWp was constructing forward predicates, while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 225. - TimeoutResultAtElement [Line: 996]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 996). Cancelled while BasicCegarLoop was analyzing trace of length 94 with TraceHistMax 4, while TraceCheckSpWp was constructing forward predicates, while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 225. - TimeoutResultAtElement [Line: 991]: Timeout (TraceAbstraction) Unable to prove that all allocated memory was freed (line 991). Cancelled while BasicCegarLoop was analyzing trace of length 94 with TraceHistMax 4, while TraceCheckSpWp was constructing forward predicates, while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 225. - TimeoutResultAtElement [Line: 1008]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1008). Cancelled while BasicCegarLoop was analyzing trace of length 94 with TraceHistMax 4, while TraceCheckSpWp was constructing forward predicates, while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 225. - TimeoutResultAtElement [Line: 1051]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1051). Cancelled while BasicCegarLoop was analyzing trace of length 94 with TraceHistMax 4, while TraceCheckSpWp was constructing forward predicates, while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 225. - TimeoutResultAtElement [Line: 1007]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1007). Cancelled while BasicCegarLoop was analyzing trace of length 94 with TraceHistMax 4, while TraceCheckSpWp was constructing forward predicates, while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 225. - TimeoutResultAtElement [Line: 1005]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1005). Cancelled while BasicCegarLoop was analyzing trace of length 94 with TraceHistMax 4, while TraceCheckSpWp was constructing forward predicates, while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 225. - TimeoutResultAtElement [Line: 1024]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1024). Cancelled while BasicCegarLoop was analyzing trace of length 94 with TraceHistMax 4, while TraceCheckSpWp was constructing forward predicates, while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 225. - TimeoutResultAtElement [Line: 1012]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1012). Cancelled while BasicCegarLoop was analyzing trace of length 94 with TraceHistMax 4, while TraceCheckSpWp was constructing forward predicates, while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 225. - TimeoutResultAtElement [Line: 1040]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1040). Cancelled while BasicCegarLoop was analyzing trace of length 94 with TraceHistMax 4, while TraceCheckSpWp was constructing forward predicates, while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 225. - TimeoutResultAtElement [Line: 1021]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1021). Cancelled while BasicCegarLoop was analyzing trace of length 94 with TraceHistMax 4, while TraceCheckSpWp was constructing forward predicates, while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 225. - TimeoutResultAtElement [Line: 1054]: Timeout (TraceAbstraction) Unable to prove that free always succeeds (line 1054). Cancelled while BasicCegarLoop was analyzing trace of length 94 with TraceHistMax 4, while TraceCheckSpWp was constructing forward predicates, while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 225. - TimeoutResultAtElement [Line: 1006]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1006). Cancelled while BasicCegarLoop was analyzing trace of length 94 with TraceHistMax 4, while TraceCheckSpWp was constructing forward predicates, while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 225. - TimeoutResultAtElement [Line: 1058]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1058). Cancelled while BasicCegarLoop was analyzing trace of length 94 with TraceHistMax 4, while TraceCheckSpWp was constructing forward predicates, while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 225. - TimeoutResultAtElement [Line: 1018]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1018). Cancelled while BasicCegarLoop was analyzing trace of length 94 with TraceHistMax 4, while TraceCheckSpWp was constructing forward predicates, while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 225. - TimeoutResultAtElement [Line: 1043]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1043). Cancelled while BasicCegarLoop was analyzing trace of length 94 with TraceHistMax 4, while TraceCheckSpWp was constructing forward predicates, while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 225. - TimeoutResultAtElement [Line: 1006]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1006). Cancelled while BasicCegarLoop was analyzing trace of length 94 with TraceHistMax 4, while TraceCheckSpWp was constructing forward predicates, while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 225. - TimeoutResultAtElement [Line: 1040]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1040). Cancelled while BasicCegarLoop was analyzing trace of length 94 with TraceHistMax 4, while TraceCheckSpWp was constructing forward predicates, while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 225. - TimeoutResultAtElement [Line: 997]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 997). Cancelled while BasicCegarLoop was analyzing trace of length 94 with TraceHistMax 4, while TraceCheckSpWp was constructing forward predicates, while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 225. - TimeoutResultAtElement [Line: 1033]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1033). Cancelled while BasicCegarLoop was analyzing trace of length 94 with TraceHistMax 4, while TraceCheckSpWp was constructing forward predicates, while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 225. - TimeoutResultAtElement [Line: 997]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 997). Cancelled while BasicCegarLoop was analyzing trace of length 94 with TraceHistMax 4, while TraceCheckSpWp was constructing forward predicates, while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 225. - TimeoutResultAtElement [Line: 1007]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1007). Cancelled while BasicCegarLoop was analyzing trace of length 94 with TraceHistMax 4, while TraceCheckSpWp was constructing forward predicates, while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 225. - TimeoutResultAtElement [Line: 1059]: Timeout (TraceAbstraction) Unable to prove that free always succeeds (line 1059). Cancelled while BasicCegarLoop was analyzing trace of length 94 with TraceHistMax 4, while TraceCheckSpWp was constructing forward predicates, while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 225. - TimeoutResultAtElement [Line: 1033]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1033). Cancelled while BasicCegarLoop was analyzing trace of length 94 with TraceHistMax 4, while TraceCheckSpWp was constructing forward predicates, while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 225. - TimeoutResultAtElement [Line: 1052]: Timeout (TraceAbstraction) Unable to prove that free always succeeds (line 1052). Cancelled while BasicCegarLoop was analyzing trace of length 94 with TraceHistMax 4, while TraceCheckSpWp was constructing forward predicates, while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 225. - TimeoutResultAtElement [Line: 1020]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1020). Cancelled while BasicCegarLoop was analyzing trace of length 94 with TraceHistMax 4, while TraceCheckSpWp was constructing forward predicates, while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 225. - TimeoutResultAtElement [Line: 1023]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1023). Cancelled while BasicCegarLoop was analyzing trace of length 94 with TraceHistMax 4, while TraceCheckSpWp was constructing forward predicates, while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 225. - TimeoutResultAtElement [Line: 1017]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1017). Cancelled while BasicCegarLoop was analyzing trace of length 94 with TraceHistMax 4, while TraceCheckSpWp was constructing forward predicates, while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 225. - TimeoutResultAtElement [Line: 1038]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1038). Cancelled while BasicCegarLoop was analyzing trace of length 94 with TraceHistMax 4, while TraceCheckSpWp was constructing forward predicates, while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 225. - TimeoutResultAtElement [Line: 1058]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1058). Cancelled while BasicCegarLoop was analyzing trace of length 94 with TraceHistMax 4, while TraceCheckSpWp was constructing forward predicates, while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 225. - TimeoutResultAtElement [Line: 1051]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1051). Cancelled while BasicCegarLoop was analyzing trace of length 94 with TraceHistMax 4, while TraceCheckSpWp was constructing forward predicates, while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 225. - TimeoutResultAtElement [Line: 1036]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1036). Cancelled while BasicCegarLoop was analyzing trace of length 94 with TraceHistMax 4, while TraceCheckSpWp was constructing forward predicates, while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 225. - TimeoutResultAtElement [Line: 1012]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1012). Cancelled while BasicCegarLoop was analyzing trace of length 94 with TraceHistMax 4, while TraceCheckSpWp was constructing forward predicates, while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 225. - TimeoutResultAtElement [Line: 1018]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1018). Cancelled while BasicCegarLoop was analyzing trace of length 94 with TraceHistMax 4, while TraceCheckSpWp was constructing forward predicates, while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 225. - TimeoutResultAtElement [Line: 996]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 996). Cancelled while BasicCegarLoop was analyzing trace of length 94 with TraceHistMax 4, while TraceCheckSpWp was constructing forward predicates, while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 225. - TimeoutResultAtElement [Line: 1053]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1053). Cancelled while BasicCegarLoop was analyzing trace of length 94 with TraceHistMax 4, while TraceCheckSpWp was constructing forward predicates, while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 225. - TimeoutResultAtElement [Line: 1043]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1043). Cancelled while BasicCegarLoop was analyzing trace of length 94 with TraceHistMax 4, while TraceCheckSpWp was constructing forward predicates, while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 225. - TimeoutResultAtElement [Line: 1016]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1016). Cancelled while BasicCegarLoop was analyzing trace of length 94 with TraceHistMax 4, while TraceCheckSpWp was constructing forward predicates, while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 225. - TimeoutResultAtElement [Line: 1018]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1018). Cancelled while BasicCegarLoop was analyzing trace of length 94 with TraceHistMax 4, while TraceCheckSpWp was constructing forward predicates, while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 225. - TimeoutResultAtElement [Line: 1023]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1023). Cancelled while BasicCegarLoop was analyzing trace of length 94 with TraceHistMax 4, while TraceCheckSpWp was constructing forward predicates, while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 225. - TimeoutResultAtElement [Line: 1019]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1019). Cancelled while BasicCegarLoop was analyzing trace of length 94 with TraceHistMax 4, while TraceCheckSpWp was constructing forward predicates, while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 225. - TimeoutResultAtElement [Line: 995]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 995). Cancelled while BasicCegarLoop was analyzing trace of length 94 with TraceHistMax 4, while TraceCheckSpWp was constructing forward predicates, while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 225. - TimeoutResultAtElement [Line: 1006]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1006). Cancelled while BasicCegarLoop was analyzing trace of length 94 with TraceHistMax 4, while TraceCheckSpWp was constructing forward predicates, while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 225. - TimeoutResultAtElement [Line: 1053]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1053). Cancelled while BasicCegarLoop was analyzing trace of length 94 with TraceHistMax 4, while TraceCheckSpWp was constructing forward predicates, while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 225. - TimeoutResultAtElement [Line: 1005]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1005). Cancelled while BasicCegarLoop was analyzing trace of length 94 with TraceHistMax 4, while TraceCheckSpWp was constructing forward predicates, while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 225. - TimeoutResultAtElement [Line: 1017]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1017). Cancelled while BasicCegarLoop was analyzing trace of length 94 with TraceHistMax 4, while TraceCheckSpWp was constructing forward predicates, while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 225. - TimeoutResultAtElement [Line: 1052]: Timeout (TraceAbstraction) Unable to prove that free always succeeds (line 1052). Cancelled while BasicCegarLoop was analyzing trace of length 94 with TraceHistMax 4, while TraceCheckSpWp was constructing forward predicates, while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 225. - TimeoutResultAtElement [Line: 1006]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1006). Cancelled while BasicCegarLoop was analyzing trace of length 94 with TraceHistMax 4, while TraceCheckSpWp was constructing forward predicates, while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 225. - TimeoutResultAtElement [Line: 1024]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1024). Cancelled while BasicCegarLoop was analyzing trace of length 94 with TraceHistMax 4, while TraceCheckSpWp was constructing forward predicates, while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 225. - TimeoutResultAtElement [Line: 1049]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1049). Cancelled while BasicCegarLoop was analyzing trace of length 94 with TraceHistMax 4, while TraceCheckSpWp was constructing forward predicates, while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 225. - TimeoutResultAtElement [Line: 1008]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1008). Cancelled while BasicCegarLoop was analyzing trace of length 94 with TraceHistMax 4, while TraceCheckSpWp was constructing forward predicates, while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 225. - TimeoutResultAtElement [Line: 1038]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1038). Cancelled while BasicCegarLoop was analyzing trace of length 94 with TraceHistMax 4, while TraceCheckSpWp was constructing forward predicates, while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 225. - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 155 locations, 61 error locations. TIMEOUT Result, 176.8s OverallTime, 50 OverallIterations, 4 TraceHistogramMax, 92.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 4664 SDtfs, 29914 SDslu, 54063 SDs, 0 SdLazy, 77093 SolverSat, 5315 SolverUnsat, 158 SolverUnknown, 0 SolverNotchecked, 36.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 4551 GetRequests, 2023 SyntacticMatches, 90 SemanticMatches, 2438 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55135 ImplicationChecksByTransitivity, 79.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=610occurred in iteration=49, 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: 0.1s AutomataMinimizationTime, 49 MinimizatonAttempts, 2927 StatesRemovedByMinimization, 49 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.2s SsaConstructionTime, 1.0s SatisfiabilityAnalysisTime, 72.0s InterpolantComputationTime, 5433 NumberOfCodeBlocks, 5417 NumberOfCodeBlocksAsserted, 100 NumberOfCheckSat, 5349 ConstructedInterpolants, 1242 QuantifiedInterpolants, 15653839 SizeOfPredicates, 634 NumberOfNonLiveVariables, 8964 ConjunctsInSsa, 1774 ConjunctsInUnsatCore, 84 InterpolantComputations, 15 PerfectInterpolantSequences, 100/1314 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Written .csv to /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/dll-rb-cnstr_1_true-unreach-call_true-valid-memsafety.i_svcomp-DerefFreeMemtrack-32bit-Automizer_Camel.epf_AutomizerC.xml/Csv-Benchmark-0-2018-04-10_14-09-49-909.csv Written .csv to /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/dll-rb-cnstr_1_true-unreach-call_true-valid-memsafety.i_svcomp-DerefFreeMemtrack-32bit-Automizer_Camel.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-0-2018-04-10_14-09-49-909.csv Completed graceful shutdown