java -Xmx6000000000 -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data ./data --generate-csv --csv-dir ../../../releaseScripts/default/UAutomizer-linux/csv --cacsl2boogietranslator.bitprecise.bitfields false -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/cade18-smtinterpol/svcomp-DerefFreeMemtrack-32bit-Automizer_Camel.epf -i ../../../trunk/examples/svcomp/list-ext-properties/simple-ext_1_true-valid-memsafety.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-408c70d-m [2018-04-12 14:39:56,861 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-04-12 14:39:56,863 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-04-12 14:39:56,875 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-04-12 14:39:56,875 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-04-12 14:39:56,876 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-04-12 14:39:56,876 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-04-12 14:39:56,878 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-04-12 14:39:56,879 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-04-12 14:39:56,880 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-04-12 14:39:56,881 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-04-12 14:39:56,881 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-04-12 14:39:56,882 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-04-12 14:39:56,882 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-04-12 14:39:56,883 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-04-12 14:39:56,885 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-04-12 14:39:56,887 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-04-12 14:39:56,888 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-04-12 14:39:56,889 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-04-12 14:39:56,890 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-04-12 14:39:56,892 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-04-12 14:39:56,892 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-04-12 14:39:56,892 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-04-12 14:39:56,893 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-04-12 14:39:56,894 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-04-12 14:39:56,895 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-04-12 14:39:56,895 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-04-12 14:39:56,896 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-04-12 14:39:56,896 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-04-12 14:39:56,896 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-04-12 14:39:56,897 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-04-12 14:39:56,897 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 [2018-04-12 14:39:56,907 INFO L110 SettingsManager]: Loading preferences was successful [2018-04-12 14:39:56,907 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-04-12 14:39:56,908 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-04-12 14:39:56,908 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-04-12 14:39:56,908 INFO L133 SettingsManager]: * Use SBE=true [2018-04-12 14:39:56,908 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-04-12 14:39:56,908 INFO L133 SettingsManager]: * sizeof long=4 [2018-04-12 14:39:56,908 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-04-12 14:39:56,908 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-04-12 14:39:56,908 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-04-12 14:39:56,909 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-04-12 14:39:56,909 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-04-12 14:39:56,909 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2018-04-12 14:39:56,909 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-04-12 14:39:56,909 INFO L133 SettingsManager]: * sizeof long double=12 [2018-04-12 14:39:56,909 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-04-12 14:39:56,909 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-04-12 14:39:56,909 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-04-12 14:39:56,909 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-04-12 14:39:56,909 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-04-12 14:39:56,910 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-04-12 14:39:56,910 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-04-12 14:39:56,910 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-04-12 14:39:56,910 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Bitprecise bitfields -> false [2018-04-12 14:39:56,936 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-04-12 14:39:56,945 INFO L266 ainManager$Toolchain]: [Toolchain 1]: Parser(s) successfully (re)initialized [2018-04-12 14:39:56,947 INFO L222 ainManager$Toolchain]: [Toolchain 1]: Toolchain data selected. [2018-04-12 14:39:56,948 INFO L271 PluginConnector]: Initializing CDTParser... [2018-04-12 14:39:56,948 INFO L276 PluginConnector]: CDTParser initialized [2018-04-12 14:39:56,949 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/list-ext-properties/simple-ext_1_true-valid-memsafety.i [2018-04-12 14:39:57,229 INFO L225 CDTParser]: Created temporary CDT project at /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/data/FLAG5095577cf [2018-04-12 14:39:57,370 INFO L287 CDTParser]: IsIndexed: true [2018-04-12 14:39:57,370 INFO L288 CDTParser]: Found 1 translation units. [2018-04-12 14:39:57,371 INFO L168 CDTParser]: Scanning simple-ext_1_true-valid-memsafety.i [2018-04-12 14:39:57,378 INFO L210 ultiparseSymbolTable]: Include resolver: [2018-04-12 14:39:57,378 INFO L215 ultiparseSymbolTable]: [2018-04-12 14:39:57,378 INFO L218 ultiparseSymbolTable]: Function table: [2018-04-12 14:39:57,378 INFO L221 ultiparseSymbolTable]: Function definition of __U_MULTI_fsimple_ext___true_valid_memsafety_i__exit ('exit') in simple-ext_1_true-valid-memsafety.i [2018-04-12 14:39:57,378 INFO L221 ultiparseSymbolTable]: Function definition of null ('main') in simple-ext_1_true-valid-memsafety.i [2018-04-12 14:39:57,378 INFO L227 ultiparseSymbolTable]: Global variable table: [2018-04-12 14:39:57,378 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_ext___true_valid_memsafety_i__u_quad_t in simple-ext_1_true-valid-memsafety.i [2018-04-12 14:39:57,379 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_ext___true_valid_memsafety_i____caddr_t in simple-ext_1_true-valid-memsafety.i [2018-04-12 14:39:57,379 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_ext___true_valid_memsafety_i__fd_set in simple-ext_1_true-valid-memsafety.i [2018-04-12 14:39:57,379 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_ext___true_valid_memsafety_i____u_char in simple-ext_1_true-valid-memsafety.i [2018-04-12 14:39:57,379 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_ext___true_valid_memsafety_i____off64_t in simple-ext_1_true-valid-memsafety.i [2018-04-12 14:39:57,379 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_ext___true_valid_memsafety_i__ulong in simple-ext_1_true-valid-memsafety.i [2018-04-12 14:39:57,379 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_ext___true_valid_memsafety_i__pthread_rwlockattr_t in simple-ext_1_true-valid-memsafety.i [2018-04-12 14:39:57,379 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_ext___true_valid_memsafety_i__fsblkcnt_t in simple-ext_1_true-valid-memsafety.i [2018-04-12 14:39:57,379 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_ext___true_valid_memsafety_i__clock_t in simple-ext_1_true-valid-memsafety.i [2018-04-12 14:39:57,379 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_ext___true_valid_memsafety_i__mode_t in simple-ext_1_true-valid-memsafety.i [2018-04-12 14:39:57,379 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_ext___true_valid_memsafety_i____rlim64_t in simple-ext_1_true-valid-memsafety.i [2018-04-12 14:39:57,379 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_ext___true_valid_memsafety_i____qaddr_t in simple-ext_1_true-valid-memsafety.i [2018-04-12 14:39:57,379 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_ext___true_valid_memsafety_i____dev_t in simple-ext_1_true-valid-memsafety.i [2018-04-12 14:39:57,379 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_ext___true_valid_memsafety_i____uint16_t in simple-ext_1_true-valid-memsafety.i [2018-04-12 14:39:57,379 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_ext___true_valid_memsafety_i____gid_t in simple-ext_1_true-valid-memsafety.i [2018-04-12 14:39:57,380 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_ext___true_valid_memsafety_i____id_t in simple-ext_1_true-valid-memsafety.i [2018-04-12 14:39:57,380 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_ext___true_valid_memsafety_i____blksize_t in simple-ext_1_true-valid-memsafety.i [2018-04-12 14:39:57,380 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_ext___true_valid_memsafety_i__u_int32_t in simple-ext_1_true-valid-memsafety.i [2018-04-12 14:39:57,380 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_ext___true_valid_memsafety_i__daddr_t in simple-ext_1_true-valid-memsafety.i [2018-04-12 14:39:57,380 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_ext___true_valid_memsafety_i____int32_t in simple-ext_1_true-valid-memsafety.i [2018-04-12 14:39:57,380 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_ext___true_valid_memsafety_i____WAIT_STATUS in simple-ext_1_true-valid-memsafety.i [2018-04-12 14:39:57,380 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_ext___true_valid_memsafety_i__ushort in simple-ext_1_true-valid-memsafety.i [2018-04-12 14:39:57,380 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_ext___true_valid_memsafety_i____time_t in simple-ext_1_true-valid-memsafety.i [2018-04-12 14:39:57,380 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_ext___true_valid_memsafety_i__fd_mask in simple-ext_1_true-valid-memsafety.i [2018-04-12 14:39:57,380 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_ext___true_valid_memsafety_i__pthread_mutex_t in simple-ext_1_true-valid-memsafety.i [2018-04-12 14:39:57,380 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_ext___true_valid_memsafety_i__int64_t in simple-ext_1_true-valid-memsafety.i [2018-04-12 14:39:57,380 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_ext___true_valid_memsafety_i__key_t in simple-ext_1_true-valid-memsafety.i [2018-04-12 14:39:57,380 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_ext___true_valid_memsafety_i____fsfilcnt_t in simple-ext_1_true-valid-memsafety.i [2018-04-12 14:39:57,380 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_ext___true_valid_memsafety_i____ino64_t in simple-ext_1_true-valid-memsafety.i [2018-04-12 14:39:57,380 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_ext___true_valid_memsafety_i__int8_t in simple-ext_1_true-valid-memsafety.i [2018-04-12 14:39:57,380 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_ext___true_valid_memsafety_i__fsfilcnt_t in simple-ext_1_true-valid-memsafety.i [2018-04-12 14:39:57,381 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_ext___true_valid_memsafety_i____off_t in simple-ext_1_true-valid-memsafety.i [2018-04-12 14:39:57,381 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_ext___true_valid_memsafety_i__u_int64_t in simple-ext_1_true-valid-memsafety.i [2018-04-12 14:39:57,381 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_ext___true_valid_memsafety_i__ino_t in simple-ext_1_true-valid-memsafety.i [2018-04-12 14:39:57,381 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_ext___true_valid_memsafety_i____uint8_t in simple-ext_1_true-valid-memsafety.i [2018-04-12 14:39:57,381 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_ext___true_valid_memsafety_i____key_t in simple-ext_1_true-valid-memsafety.i [2018-04-12 14:39:57,381 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_ext___true_valid_memsafety_i____u_int in simple-ext_1_true-valid-memsafety.i [2018-04-12 14:39:57,381 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_ext___true_valid_memsafety_i__dev_t in simple-ext_1_true-valid-memsafety.i [2018-04-12 14:39:57,381 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_ext___true_valid_memsafety_i__ldiv_t in simple-ext_1_true-valid-memsafety.i [2018-04-12 14:39:57,381 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_ext___true_valid_memsafety_i____useconds_t in simple-ext_1_true-valid-memsafety.i [2018-04-12 14:39:57,381 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_ext___true_valid_memsafety_i__time_t in simple-ext_1_true-valid-memsafety.i [2018-04-12 14:39:57,381 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_ext___true_valid_memsafety_i____fsfilcnt64_t in simple-ext_1_true-valid-memsafety.i [2018-04-12 14:39:57,381 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_ext___true_valid_memsafety_i__id_t in simple-ext_1_true-valid-memsafety.i [2018-04-12 14:39:57,382 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_ext___true_valid_memsafety_i__register_t in simple-ext_1_true-valid-memsafety.i [2018-04-12 14:39:57,382 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_ext___true_valid_memsafety_i__pthread_barrierattr_t in simple-ext_1_true-valid-memsafety.i [2018-04-12 14:39:57,382 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_ext___true_valid_memsafety_i__sigset_t in simple-ext_1_true-valid-memsafety.i [2018-04-12 14:39:57,382 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_ext___true_valid_memsafety_i____fsblkcnt_t in simple-ext_1_true-valid-memsafety.i [2018-04-12 14:39:57,382 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_ext___true_valid_memsafety_i__pthread_key_t in simple-ext_1_true-valid-memsafety.i [2018-04-12 14:39:57,382 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_ext___true_valid_memsafety_i__pthread_rwlock_t in simple-ext_1_true-valid-memsafety.i [2018-04-12 14:39:57,382 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_ext___true_valid_memsafety_i____blkcnt_t in simple-ext_1_true-valid-memsafety.i [2018-04-12 14:39:57,382 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_ext___true_valid_memsafety_i__pthread_once_t in simple-ext_1_true-valid-memsafety.i [2018-04-12 14:39:57,382 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_ext___true_valid_memsafety_i____uint64_t in simple-ext_1_true-valid-memsafety.i [2018-04-12 14:39:57,382 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_ext___true_valid_memsafety_i____sig_atomic_t in simple-ext_1_true-valid-memsafety.i [2018-04-12 14:39:57,382 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_ext___true_valid_memsafety_i__pthread_attr_t in simple-ext_1_true-valid-memsafety.i [2018-04-12 14:39:57,382 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_ext___true_valid_memsafety_i__nlink_t in simple-ext_1_true-valid-memsafety.i [2018-04-12 14:39:57,382 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_ext___true_valid_memsafety_i__wchar_t in simple-ext_1_true-valid-memsafety.i [2018-04-12 14:39:57,383 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_ext___true_valid_memsafety_i____swblk_t in simple-ext_1_true-valid-memsafety.i [2018-04-12 14:39:57,383 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_ext___true_valid_memsafety_i____fsblkcnt64_t in simple-ext_1_true-valid-memsafety.i [2018-04-12 14:39:57,383 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_ext___true_valid_memsafety_i__loff_t in simple-ext_1_true-valid-memsafety.i [2018-04-12 14:39:57,383 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_ext___true_valid_memsafety_i__uint in simple-ext_1_true-valid-memsafety.i [2018-04-12 14:39:57,383 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_ext___true_valid_memsafety_i____uid_t in simple-ext_1_true-valid-memsafety.i [2018-04-12 14:39:57,383 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_ext___true_valid_memsafety_i__ssize_t in simple-ext_1_true-valid-memsafety.i [2018-04-12 14:39:57,383 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_ext___true_valid_memsafety_i____int64_t in simple-ext_1_true-valid-memsafety.i [2018-04-12 14:39:57,383 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_ext___true_valid_memsafety_i____blkcnt64_t in simple-ext_1_true-valid-memsafety.i [2018-04-12 14:39:57,383 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_ext___true_valid_memsafety_i__pthread_condattr_t in simple-ext_1_true-valid-memsafety.i [2018-04-12 14:39:57,383 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_ext___true_valid_memsafety_i__int32_t in simple-ext_1_true-valid-memsafety.i [2018-04-12 14:39:57,383 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_ext___true_valid_memsafety_i____nlink_t in simple-ext_1_true-valid-memsafety.i [2018-04-12 14:39:57,383 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_ext___true_valid_memsafety_i____daddr_t in simple-ext_1_true-valid-memsafety.i [2018-04-12 14:39:57,384 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_ext___true_valid_memsafety_i__timer_t in simple-ext_1_true-valid-memsafety.i [2018-04-12 14:39:57,384 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_ext___true_valid_memsafety_i____fd_mask in simple-ext_1_true-valid-memsafety.i [2018-04-12 14:39:57,384 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_ext___true_valid_memsafety_i__fsid_t in simple-ext_1_true-valid-memsafety.i [2018-04-12 14:39:57,384 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_ext___true_valid_memsafety_i____ssize_t in simple-ext_1_true-valid-memsafety.i [2018-04-12 14:39:57,384 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_ext___true_valid_memsafety_i____int8_t in simple-ext_1_true-valid-memsafety.i [2018-04-12 14:39:57,384 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_ext___true_valid_memsafety_i__clockid_t in simple-ext_1_true-valid-memsafety.i [2018-04-12 14:39:57,384 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_ext___true_valid_memsafety_i____loff_t in simple-ext_1_true-valid-memsafety.i [2018-04-12 14:39:57,384 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_ext___true_valid_memsafety_i____clock_t in simple-ext_1_true-valid-memsafety.i [2018-04-12 14:39:57,384 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_ext___true_valid_memsafety_i__u_int8_t in simple-ext_1_true-valid-memsafety.i [2018-04-12 14:39:57,384 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_ext___true_valid_memsafety_i__pthread_t in simple-ext_1_true-valid-memsafety.i [2018-04-12 14:39:57,385 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_ext___true_valid_memsafety_i__pthread_mutexattr_t in simple-ext_1_true-valid-memsafety.i [2018-04-12 14:39:57,385 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_ext___true_valid_memsafety_i____pid_t in simple-ext_1_true-valid-memsafety.i [2018-04-12 14:39:57,385 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_ext___true_valid_memsafety_i____timer_t in simple-ext_1_true-valid-memsafety.i [2018-04-12 14:39:57,385 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_ext___true_valid_memsafety_i____u_short in simple-ext_1_true-valid-memsafety.i [2018-04-12 14:39:57,385 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_ext___true_valid_memsafety_i____sigset_t in simple-ext_1_true-valid-memsafety.i [2018-04-12 14:39:57,385 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_ext___true_valid_memsafety_i____ino_t in simple-ext_1_true-valid-memsafety.i [2018-04-12 14:39:57,385 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_ext___true_valid_memsafety_i__u_int in simple-ext_1_true-valid-memsafety.i [2018-04-12 14:39:57,385 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_ext___true_valid_memsafety_i____mode_t in simple-ext_1_true-valid-memsafety.i [2018-04-12 14:39:57,385 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_ext___true_valid_memsafety_i__suseconds_t in simple-ext_1_true-valid-memsafety.i [2018-04-12 14:39:57,385 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_ext___true_valid_memsafety_i____quad_t in simple-ext_1_true-valid-memsafety.i [2018-04-12 14:39:57,385 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_ext___true_valid_memsafety_i____fsid_t in simple-ext_1_true-valid-memsafety.i [2018-04-12 14:39:57,385 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_ext___true_valid_memsafety_i__caddr_t in simple-ext_1_true-valid-memsafety.i [2018-04-12 14:39:57,385 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_ext___true_valid_memsafety_i____rlim_t in simple-ext_1_true-valid-memsafety.i [2018-04-12 14:39:57,386 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_ext___true_valid_memsafety_i__pid_t in simple-ext_1_true-valid-memsafety.i [2018-04-12 14:39:57,386 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_ext___true_valid_memsafety_i__u_long in simple-ext_1_true-valid-memsafety.i [2018-04-12 14:39:57,386 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_ext___true_valid_memsafety_i__pthread_barrier_t in simple-ext_1_true-valid-memsafety.i [2018-04-12 14:39:57,386 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_ext___true_valid_memsafety_i____u_quad_t in simple-ext_1_true-valid-memsafety.i [2018-04-12 14:39:57,386 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_ext___true_valid_memsafety_i____suseconds_t in simple-ext_1_true-valid-memsafety.i [2018-04-12 14:39:57,386 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_ext___true_valid_memsafety_i__gid_t in simple-ext_1_true-valid-memsafety.i [2018-04-12 14:39:57,386 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_ext___true_valid_memsafety_i__List in simple-ext_1_true-valid-memsafety.i [2018-04-12 14:39:57,386 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_ext___true_valid_memsafety_i__off_t in simple-ext_1_true-valid-memsafety.i [2018-04-12 14:39:57,386 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_ext___true_valid_memsafety_i____int16_t in simple-ext_1_true-valid-memsafety.i [2018-04-12 14:39:57,386 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_ext___true_valid_memsafety_i__u_short in simple-ext_1_true-valid-memsafety.i [2018-04-12 14:39:57,386 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_ext___true_valid_memsafety_i____uint32_t in simple-ext_1_true-valid-memsafety.i [2018-04-12 14:39:57,386 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_ext___true_valid_memsafety_i__uid_t in simple-ext_1_true-valid-memsafety.i [2018-04-12 14:39:57,386 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_ext___true_valid_memsafety_i__lldiv_t in simple-ext_1_true-valid-memsafety.i [2018-04-12 14:39:57,386 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_ext___true_valid_memsafety_i____socklen_t in simple-ext_1_true-valid-memsafety.i [2018-04-12 14:39:57,387 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_ext___true_valid_memsafety_i__quad_t in simple-ext_1_true-valid-memsafety.i [2018-04-12 14:39:57,387 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_ext___true_valid_memsafety_i____pthread_list_t in simple-ext_1_true-valid-memsafety.i [2018-04-12 14:39:57,387 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_ext___true_valid_memsafety_i__int16_t in simple-ext_1_true-valid-memsafety.i [2018-04-12 14:39:57,387 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_ext___true_valid_memsafety_i__u_int16_t in simple-ext_1_true-valid-memsafety.i [2018-04-12 14:39:57,387 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_ext___true_valid_memsafety_i__blkcnt_t in simple-ext_1_true-valid-memsafety.i [2018-04-12 14:39:57,387 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_ext___true_valid_memsafety_i__blksize_t in simple-ext_1_true-valid-memsafety.i [2018-04-12 14:39:57,387 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_ext___true_valid_memsafety_i__pthread_spinlock_t in simple-ext_1_true-valid-memsafety.i [2018-04-12 14:39:57,387 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_ext___true_valid_memsafety_i____clockid_t in simple-ext_1_true-valid-memsafety.i [2018-04-12 14:39:57,387 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_ext___true_valid_memsafety_i____intptr_t in simple-ext_1_true-valid-memsafety.i [2018-04-12 14:39:57,387 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_ext___true_valid_memsafety_i____u_long in simple-ext_1_true-valid-memsafety.i [2018-04-12 14:39:57,387 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_ext___true_valid_memsafety_i__div_t in simple-ext_1_true-valid-memsafety.i [2018-04-12 14:39:57,387 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_ext___true_valid_memsafety_i__u_char in simple-ext_1_true-valid-memsafety.i [2018-04-12 14:39:57,387 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_ext___true_valid_memsafety_i__pthread_cond_t in simple-ext_1_true-valid-memsafety.i [2018-04-12 14:39:57,387 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_ext___true_valid_memsafety_i__size_t in simple-ext_1_true-valid-memsafety.i [2018-04-12 14:39:57,401 INFO L330 CDTParser]: Deleted temporary CDT project at /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/data/FLAG5095577cf [2018-04-12 14:39:57,405 INFO L304 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-04-12 14:39:57,406 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-04-12 14:39:57,407 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-04-12 14:39:57,407 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-04-12 14:39:57,411 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-04-12 14:39:57,411 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.04 02:39:57" (1/1) ... [2018-04-12 14:39:57,413 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@64e7d49f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.04 02:39:57, skipping insertion in model container [2018-04-12 14:39:57,413 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.04 02:39:57" (1/1) ... [2018-04-12 14:39:57,428 INFO L167 Dispatcher]: Using SV-COMP mode [2018-04-12 14:39:57,456 INFO L167 Dispatcher]: Using SV-COMP mode [2018-04-12 14:39:57,607 INFO L175 PostProcessor]: Settings: Checked method=main [2018-04-12 14:39:57,646 INFO L175 PostProcessor]: Settings: Checked method=main [2018-04-12 14:39:57,652 INFO L100 SccComputation]: Graph consists of 0 InCaSumBalls and 113 non ball SCCs. Number of states in SCCs 113. [2018-04-12 14:39:57,693 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.04 02:39:57 WrapperNode [2018-04-12 14:39:57,693 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-04-12 14:39:57,694 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-04-12 14:39:57,694 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-04-12 14:39:57,694 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-04-12 14:39:57,706 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.04 02:39:57" (1/1) ... [2018-04-12 14:39:57,706 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.04 02:39:57" (1/1) ... [2018-04-12 14:39:57,718 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.04 02:39:57" (1/1) ... [2018-04-12 14:39:57,719 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.04 02:39:57" (1/1) ... [2018-04-12 14:39:57,725 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.04 02:39:57" (1/1) ... [2018-04-12 14:39:57,728 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.04 02:39:57" (1/1) ... [2018-04-12 14:39:57,730 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.04 02:39:57" (1/1) ... [2018-04-12 14:39:57,734 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-04-12 14:39:57,734 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-04-12 14:39:57,734 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-04-12 14:39:57,735 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-04-12 14:39:57,735 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.04 02:39:57" (1/1) ... No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-04-12 14:39:57,819 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-04-12 14:39:57,820 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-04-12 14:39:57,820 INFO L136 BoogieDeclarations]: Found implementation of procedure __U_MULTI_fsimple_ext___true_valid_memsafety_i__exit [2018-04-12 14:39:57,820 INFO L136 BoogieDeclarations]: Found implementation of procedure main [2018-04-12 14:39:57,820 INFO L128 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-04-12 14:39:57,820 INFO L128 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-04-12 14:39:57,820 INFO L128 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2018-04-12 14:39:57,820 INFO L128 BoogieDeclarations]: Found specification of procedure atof [2018-04-12 14:39:57,821 INFO L128 BoogieDeclarations]: Found specification of procedure atoi [2018-04-12 14:39:57,821 INFO L128 BoogieDeclarations]: Found specification of procedure atol [2018-04-12 14:39:57,821 INFO L128 BoogieDeclarations]: Found specification of procedure atoll [2018-04-12 14:39:57,821 INFO L128 BoogieDeclarations]: Found specification of procedure strtod [2018-04-12 14:39:57,821 INFO L128 BoogieDeclarations]: Found specification of procedure strtof [2018-04-12 14:39:57,821 INFO L128 BoogieDeclarations]: Found specification of procedure strtold [2018-04-12 14:39:57,821 INFO L128 BoogieDeclarations]: Found specification of procedure strtol [2018-04-12 14:39:57,821 INFO L128 BoogieDeclarations]: Found specification of procedure strtoul [2018-04-12 14:39:57,821 INFO L128 BoogieDeclarations]: Found specification of procedure strtoq [2018-04-12 14:39:57,821 INFO L128 BoogieDeclarations]: Found specification of procedure strtouq [2018-04-12 14:39:57,822 INFO L128 BoogieDeclarations]: Found specification of procedure strtoll [2018-04-12 14:39:57,822 INFO L128 BoogieDeclarations]: Found specification of procedure strtoull [2018-04-12 14:39:57,822 INFO L128 BoogieDeclarations]: Found specification of procedure l64a [2018-04-12 14:39:57,822 INFO L128 BoogieDeclarations]: Found specification of procedure a64l [2018-04-12 14:39:57,822 INFO L128 BoogieDeclarations]: Found specification of procedure select [2018-04-12 14:39:57,822 INFO L128 BoogieDeclarations]: Found specification of procedure pselect [2018-04-12 14:39:57,822 INFO L128 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2018-04-12 14:39:57,822 INFO L128 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2018-04-12 14:39:57,822 INFO L128 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2018-04-12 14:39:57,822 INFO L128 BoogieDeclarations]: Found specification of procedure random [2018-04-12 14:39:57,824 INFO L128 BoogieDeclarations]: Found specification of procedure srandom [2018-04-12 14:39:57,824 INFO L128 BoogieDeclarations]: Found specification of procedure initstate [2018-04-12 14:39:57,824 INFO L128 BoogieDeclarations]: Found specification of procedure setstate [2018-04-12 14:39:57,824 INFO L128 BoogieDeclarations]: Found specification of procedure random_r [2018-04-12 14:39:57,824 INFO L128 BoogieDeclarations]: Found specification of procedure srandom_r [2018-04-12 14:39:57,824 INFO L128 BoogieDeclarations]: Found specification of procedure initstate_r [2018-04-12 14:39:57,824 INFO L128 BoogieDeclarations]: Found specification of procedure setstate_r [2018-04-12 14:39:57,824 INFO L128 BoogieDeclarations]: Found specification of procedure rand [2018-04-12 14:39:57,824 INFO L128 BoogieDeclarations]: Found specification of procedure srand [2018-04-12 14:39:57,824 INFO L128 BoogieDeclarations]: Found specification of procedure rand_r [2018-04-12 14:39:57,825 INFO L128 BoogieDeclarations]: Found specification of procedure drand48 [2018-04-12 14:39:57,825 INFO L128 BoogieDeclarations]: Found specification of procedure erand48 [2018-04-12 14:39:57,825 INFO L128 BoogieDeclarations]: Found specification of procedure lrand48 [2018-04-12 14:39:57,825 INFO L128 BoogieDeclarations]: Found specification of procedure nrand48 [2018-04-12 14:39:57,825 INFO L128 BoogieDeclarations]: Found specification of procedure mrand48 [2018-04-12 14:39:57,825 INFO L128 BoogieDeclarations]: Found specification of procedure jrand48 [2018-04-12 14:39:57,825 INFO L128 BoogieDeclarations]: Found specification of procedure srand48 [2018-04-12 14:39:57,825 INFO L128 BoogieDeclarations]: Found specification of procedure seed48 [2018-04-12 14:39:57,825 INFO L128 BoogieDeclarations]: Found specification of procedure lcong48 [2018-04-12 14:39:57,825 INFO L128 BoogieDeclarations]: Found specification of procedure drand48_r [2018-04-12 14:39:57,826 INFO L128 BoogieDeclarations]: Found specification of procedure erand48_r [2018-04-12 14:39:57,826 INFO L128 BoogieDeclarations]: Found specification of procedure lrand48_r [2018-04-12 14:39:57,826 INFO L128 BoogieDeclarations]: Found specification of procedure nrand48_r [2018-04-12 14:39:57,826 INFO L128 BoogieDeclarations]: Found specification of procedure mrand48_r [2018-04-12 14:39:57,826 INFO L128 BoogieDeclarations]: Found specification of procedure jrand48_r [2018-04-12 14:39:57,826 INFO L128 BoogieDeclarations]: Found specification of procedure srand48_r [2018-04-12 14:39:57,826 INFO L128 BoogieDeclarations]: Found specification of procedure seed48_r [2018-04-12 14:39:57,826 INFO L128 BoogieDeclarations]: Found specification of procedure lcong48_r [2018-04-12 14:39:57,826 INFO L128 BoogieDeclarations]: Found specification of procedure malloc [2018-04-12 14:39:57,826 INFO L128 BoogieDeclarations]: Found specification of procedure calloc [2018-04-12 14:39:57,826 INFO L128 BoogieDeclarations]: Found specification of procedure realloc [2018-04-12 14:39:57,827 INFO L128 BoogieDeclarations]: Found specification of procedure free [2018-04-12 14:39:57,827 INFO L128 BoogieDeclarations]: Found specification of procedure cfree [2018-04-12 14:39:57,827 INFO L128 BoogieDeclarations]: Found specification of procedure alloca [2018-04-12 14:39:57,827 INFO L128 BoogieDeclarations]: Found specification of procedure valloc [2018-04-12 14:39:57,827 INFO L128 BoogieDeclarations]: Found specification of procedure posix_memalign [2018-04-12 14:39:57,827 INFO L128 BoogieDeclarations]: Found specification of procedure abort [2018-04-12 14:39:57,827 INFO L128 BoogieDeclarations]: Found specification of procedure atexit [2018-04-12 14:39:57,827 INFO L128 BoogieDeclarations]: Found specification of procedure on_exit [2018-04-12 14:39:57,827 INFO L128 BoogieDeclarations]: Found specification of procedure __U_MULTI_fsimple_ext___true_valid_memsafety_i__exit [2018-04-12 14:39:57,827 INFO L128 BoogieDeclarations]: Found specification of procedure _Exit [2018-04-12 14:39:57,828 INFO L128 BoogieDeclarations]: Found specification of procedure getenv [2018-04-12 14:39:57,828 INFO L128 BoogieDeclarations]: Found specification of procedure __secure_getenv [2018-04-12 14:39:57,828 INFO L128 BoogieDeclarations]: Found specification of procedure putenv [2018-04-12 14:39:57,828 INFO L128 BoogieDeclarations]: Found specification of procedure setenv [2018-04-12 14:39:57,828 INFO L128 BoogieDeclarations]: Found specification of procedure unsetenv [2018-04-12 14:39:57,828 INFO L128 BoogieDeclarations]: Found specification of procedure clearenv [2018-04-12 14:39:57,828 INFO L128 BoogieDeclarations]: Found specification of procedure mktemp [2018-04-12 14:39:57,828 INFO L128 BoogieDeclarations]: Found specification of procedure mkstemp [2018-04-12 14:39:57,828 INFO L128 BoogieDeclarations]: Found specification of procedure mkstemps [2018-04-12 14:39:57,828 INFO L128 BoogieDeclarations]: Found specification of procedure mkdtemp [2018-04-12 14:39:57,828 INFO L128 BoogieDeclarations]: Found specification of procedure system [2018-04-12 14:39:57,829 INFO L128 BoogieDeclarations]: Found specification of procedure realpath [2018-04-12 14:39:57,829 INFO L128 BoogieDeclarations]: Found specification of procedure bsearch [2018-04-12 14:39:57,829 INFO L128 BoogieDeclarations]: Found specification of procedure qsort [2018-04-12 14:39:57,829 INFO L128 BoogieDeclarations]: Found specification of procedure abs [2018-04-12 14:39:57,829 INFO L128 BoogieDeclarations]: Found specification of procedure labs [2018-04-12 14:39:57,829 INFO L128 BoogieDeclarations]: Found specification of procedure llabs [2018-04-12 14:39:57,829 INFO L128 BoogieDeclarations]: Found specification of procedure div [2018-04-12 14:39:57,829 INFO L128 BoogieDeclarations]: Found specification of procedure ldiv [2018-04-12 14:39:57,829 INFO L128 BoogieDeclarations]: Found specification of procedure lldiv [2018-04-12 14:39:57,829 INFO L128 BoogieDeclarations]: Found specification of procedure ecvt [2018-04-12 14:39:57,830 INFO L128 BoogieDeclarations]: Found specification of procedure fcvt [2018-04-12 14:39:57,830 INFO L128 BoogieDeclarations]: Found specification of procedure gcvt [2018-04-12 14:39:57,830 INFO L128 BoogieDeclarations]: Found specification of procedure qecvt [2018-04-12 14:39:57,830 INFO L128 BoogieDeclarations]: Found specification of procedure qfcvt [2018-04-12 14:39:57,830 INFO L128 BoogieDeclarations]: Found specification of procedure qgcvt [2018-04-12 14:39:57,830 INFO L128 BoogieDeclarations]: Found specification of procedure ecvt_r [2018-04-12 14:39:57,830 INFO L128 BoogieDeclarations]: Found specification of procedure fcvt_r [2018-04-12 14:39:57,830 INFO L128 BoogieDeclarations]: Found specification of procedure qecvt_r [2018-04-12 14:39:57,830 INFO L128 BoogieDeclarations]: Found specification of procedure qfcvt_r [2018-04-12 14:39:57,830 INFO L128 BoogieDeclarations]: Found specification of procedure mblen [2018-04-12 14:39:57,831 INFO L128 BoogieDeclarations]: Found specification of procedure mbtowc [2018-04-12 14:39:57,831 INFO L128 BoogieDeclarations]: Found specification of procedure wctomb [2018-04-12 14:39:57,831 INFO L128 BoogieDeclarations]: Found specification of procedure mbstowcs [2018-04-12 14:39:57,831 INFO L128 BoogieDeclarations]: Found specification of procedure wcstombs [2018-04-12 14:39:57,831 INFO L128 BoogieDeclarations]: Found specification of procedure rpmatch [2018-04-12 14:39:57,831 INFO L128 BoogieDeclarations]: Found specification of procedure getsubopt [2018-04-12 14:39:57,831 INFO L128 BoogieDeclarations]: Found specification of procedure getloadavg [2018-04-12 14:39:57,831 INFO L128 BoogieDeclarations]: Found specification of procedure main [2018-04-12 14:39:57,831 INFO L128 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-04-12 14:39:57,831 INFO L128 BoogieDeclarations]: Found specification of procedure write~int [2018-04-12 14:39:57,831 INFO L128 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2018-04-12 14:39:57,832 INFO L128 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2018-04-12 14:39:57,832 INFO L128 BoogieDeclarations]: Found specification of procedure read~int [2018-04-12 14:39:57,832 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-04-12 14:39:57,832 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-04-12 14:39:57,832 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-04-12 14:39:57,832 INFO L128 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2018-04-12 14:39:58,096 INFO L259 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-04-12 14:39:58,097 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.04 02:39:58 BoogieIcfgContainer [2018-04-12 14:39:58,097 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-04-12 14:39:58,097 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-04-12 14:39:58,098 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-04-12 14:39:58,100 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-04-12 14:39:58,100 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.04 02:39:57" (1/3) ... [2018-04-12 14:39:58,100 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@cbcb482 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.04 02:39:58, skipping insertion in model container [2018-04-12 14:39:58,100 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.04 02:39:57" (2/3) ... [2018-04-12 14:39:58,101 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@cbcb482 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.04 02:39:58, skipping insertion in model container [2018-04-12 14:39:58,101 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.04 02:39:58" (3/3) ... [2018-04-12 14:39:58,102 INFO L107 eAbstractionObserver]: Analyzing ICFG simple-ext_1_true-valid-memsafety.i [2018-04-12 14:39:58,108 INFO L131 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-04-12 14:39:58,113 INFO L143 ceAbstractionStarter]: Appying trace abstraction to program that has 19 error locations. [2018-04-12 14:39:58,138 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2018-04-12 14:39:58,138 INFO L369 AbstractCegarLoop]: Interprodecural is true [2018-04-12 14:39:58,138 INFO L370 AbstractCegarLoop]: Hoare is false [2018-04-12 14:39:58,138 INFO L371 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-04-12 14:39:58,138 INFO L372 AbstractCegarLoop]: Backedges is TWOTRACK [2018-04-12 14:39:58,139 INFO L373 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-04-12 14:39:58,139 INFO L374 AbstractCegarLoop]: Difference is false [2018-04-12 14:39:58,139 INFO L375 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-04-12 14:39:58,139 INFO L380 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-04-12 14:39:58,139 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-04-12 14:39:58,148 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states. [2018-04-12 14:39:58,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-04-12 14:39:58,156 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 14:39:58,156 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 14:39:58,156 INFO L408 AbstractCegarLoop]: === Iteration 1 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr0RequiresViolation, mainErr18EnsuresViolationMEMORY_LEAK, mainErr17AssertViolationMEMORY_FREE, mainErr3RequiresViolation, mainErr7RequiresViolation, mainErr11RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr15RequiresViolation, mainErr2RequiresViolation, mainErr4RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr16AssertViolationMEMORY_FREE, mainErr14RequiresViolation]=== [2018-04-12 14:39:58,159 INFO L82 PathProgramCache]: Analyzing trace with hash -1445061309, now seen corresponding path program 1 times [2018-04-12 14:39:58,160 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-12 14:39:58,161 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-12 14:39:58,193 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 14:39:58,193 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-12 14:39:58,193 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 14:39:58,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 14:39:58,222 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 14:39:58,245 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 14:39:58,247 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-12 14:39:58,247 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-04-12 14:39:58,248 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-04-12 14:39:58,258 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-04-12 14:39:58,258 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-04-12 14:39:58,260 INFO L87 Difference]: Start difference. First operand 67 states. Second operand 2 states. [2018-04-12 14:39:58,276 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 14:39:58,276 INFO L93 Difference]: Finished difference Result 67 states and 71 transitions. [2018-04-12 14:39:58,277 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-04-12 14:39:58,278 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 11 [2018-04-12 14:39:58,278 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 14:39:58,285 INFO L225 Difference]: With dead ends: 67 [2018-04-12 14:39:58,285 INFO L226 Difference]: Without dead ends: 59 [2018-04-12 14:39:58,287 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-04-12 14:39:58,298 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59 states. [2018-04-12 14:39:58,309 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59 to 59. [2018-04-12 14:39:58,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 59 states. [2018-04-12 14:39:58,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 62 transitions. [2018-04-12 14:39:58,313 INFO L78 Accepts]: Start accepts. Automaton has 59 states and 62 transitions. Word has length 11 [2018-04-12 14:39:58,313 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 14:39:58,313 INFO L459 AbstractCegarLoop]: Abstraction has 59 states and 62 transitions. [2018-04-12 14:39:58,313 INFO L460 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-04-12 14:39:58,313 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 62 transitions. [2018-04-12 14:39:58,313 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-04-12 14:39:58,314 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 14:39:58,314 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 14:39:58,314 INFO L408 AbstractCegarLoop]: === Iteration 2 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr0RequiresViolation, mainErr18EnsuresViolationMEMORY_LEAK, mainErr17AssertViolationMEMORY_FREE, mainErr3RequiresViolation, mainErr7RequiresViolation, mainErr11RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr15RequiresViolation, mainErr2RequiresViolation, mainErr4RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr16AssertViolationMEMORY_FREE, mainErr14RequiresViolation]=== [2018-04-12 14:39:58,314 INFO L82 PathProgramCache]: Analyzing trace with hash -1396666920, now seen corresponding path program 1 times [2018-04-12 14:39:58,314 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-12 14:39:58,314 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-12 14:39:58,315 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 14:39:58,315 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-12 14:39:58,315 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 14:39:58,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 14:39:58,329 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 14:39:58,364 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 14:39:58,364 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-12 14:39:58,364 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-04-12 14:39:58,365 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-04-12 14:39:58,365 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-04-12 14:39:58,365 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-04-12 14:39:58,366 INFO L87 Difference]: Start difference. First operand 59 states and 62 transitions. Second operand 5 states. [2018-04-12 14:39:58,475 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 14:39:58,475 INFO L93 Difference]: Finished difference Result 79 states and 85 transitions. [2018-04-12 14:39:58,476 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-04-12 14:39:58,476 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 14 [2018-04-12 14:39:58,476 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 14:39:58,476 INFO L225 Difference]: With dead ends: 79 [2018-04-12 14:39:58,477 INFO L226 Difference]: Without dead ends: 79 [2018-04-12 14:39:58,477 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 [2018-04-12 14:39:58,477 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 79 states. [2018-04-12 14:39:58,481 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 79 to 66. [2018-04-12 14:39:58,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 66 states. [2018-04-12 14:39:58,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 66 states and 77 transitions. [2018-04-12 14:39:58,483 INFO L78 Accepts]: Start accepts. Automaton has 66 states and 77 transitions. Word has length 14 [2018-04-12 14:39:58,483 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 14:39:58,483 INFO L459 AbstractCegarLoop]: Abstraction has 66 states and 77 transitions. [2018-04-12 14:39:58,483 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-04-12 14:39:58,483 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 77 transitions. [2018-04-12 14:39:58,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-04-12 14:39:58,484 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 14:39:58,484 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 14:39:58,484 INFO L408 AbstractCegarLoop]: === Iteration 3 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr0RequiresViolation, mainErr18EnsuresViolationMEMORY_LEAK, mainErr17AssertViolationMEMORY_FREE, mainErr3RequiresViolation, mainErr7RequiresViolation, mainErr11RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr15RequiresViolation, mainErr2RequiresViolation, mainErr4RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr16AssertViolationMEMORY_FREE, mainErr14RequiresViolation]=== [2018-04-12 14:39:58,484 INFO L82 PathProgramCache]: Analyzing trace with hash -1396666919, now seen corresponding path program 1 times [2018-04-12 14:39:58,484 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-12 14:39:58,484 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-12 14:39:58,485 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 14:39:58,486 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-12 14:39:58,486 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 14:39:58,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 14:39:58,500 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 14:39:58,543 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 14:39:58,543 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-12 14:39:58,543 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-04-12 14:39:58,544 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-04-12 14:39:58,544 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-04-12 14:39:58,544 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-04-12 14:39:58,544 INFO L87 Difference]: Start difference. First operand 66 states and 77 transitions. Second operand 5 states. [2018-04-12 14:39:58,646 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 14:39:58,646 INFO L93 Difference]: Finished difference Result 86 states and 92 transitions. [2018-04-12 14:39:58,646 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-04-12 14:39:58,646 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 14 [2018-04-12 14:39:58,646 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 14:39:58,647 INFO L225 Difference]: With dead ends: 86 [2018-04-12 14:39:58,647 INFO L226 Difference]: Without dead ends: 86 [2018-04-12 14:39:58,647 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 [2018-04-12 14:39:58,648 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 86 states. [2018-04-12 14:39:58,651 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 86 to 76. [2018-04-12 14:39:58,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 76 states. [2018-04-12 14:39:58,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 83 transitions. [2018-04-12 14:39:58,653 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 83 transitions. Word has length 14 [2018-04-12 14:39:58,653 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 14:39:58,653 INFO L459 AbstractCegarLoop]: Abstraction has 76 states and 83 transitions. [2018-04-12 14:39:58,653 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-04-12 14:39:58,653 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 83 transitions. [2018-04-12 14:39:58,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-04-12 14:39:58,653 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 14:39:58,653 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 14:39:58,654 INFO L408 AbstractCegarLoop]: === Iteration 4 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr0RequiresViolation, mainErr18EnsuresViolationMEMORY_LEAK, mainErr17AssertViolationMEMORY_FREE, mainErr3RequiresViolation, mainErr7RequiresViolation, mainErr11RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr15RequiresViolation, mainErr2RequiresViolation, mainErr4RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr16AssertViolationMEMORY_FREE, mainErr14RequiresViolation]=== [2018-04-12 14:39:58,654 INFO L82 PathProgramCache]: Analyzing trace with hash 1581197642, now seen corresponding path program 1 times [2018-04-12 14:39:58,654 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-12 14:39:58,654 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-12 14:39:58,654 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 14:39:58,655 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-12 14:39:58,655 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 14:39:58,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 14:39:58,666 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 14:39:58,692 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 14:39:58,692 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-12 14:39:58,692 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-04-12 14:39:58,692 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-04-12 14:39:58,693 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-04-12 14:39:58,693 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-04-12 14:39:58,693 INFO L87 Difference]: Start difference. First operand 76 states and 83 transitions. Second operand 5 states. [2018-04-12 14:39:58,756 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 14:39:58,756 INFO L93 Difference]: Finished difference Result 82 states and 87 transitions. [2018-04-12 14:39:58,757 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-04-12 14:39:58,757 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 23 [2018-04-12 14:39:58,757 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 14:39:58,757 INFO L225 Difference]: With dead ends: 82 [2018-04-12 14:39:58,757 INFO L226 Difference]: Without dead ends: 82 [2018-04-12 14:39:58,758 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 [2018-04-12 14:39:58,758 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 82 states. [2018-04-12 14:39:58,760 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 82 to 76. [2018-04-12 14:39:58,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 76 states. [2018-04-12 14:39:58,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 81 transitions. [2018-04-12 14:39:58,763 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 81 transitions. Word has length 23 [2018-04-12 14:39:58,764 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 14:39:58,764 INFO L459 AbstractCegarLoop]: Abstraction has 76 states and 81 transitions. [2018-04-12 14:39:58,764 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-04-12 14:39:58,764 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 81 transitions. [2018-04-12 14:39:58,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-04-12 14:39:58,764 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 14:39:58,765 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] [2018-04-12 14:39:58,765 INFO L408 AbstractCegarLoop]: === Iteration 5 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr0RequiresViolation, mainErr18EnsuresViolationMEMORY_LEAK, mainErr17AssertViolationMEMORY_FREE, mainErr3RequiresViolation, mainErr7RequiresViolation, mainErr11RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr15RequiresViolation, mainErr2RequiresViolation, mainErr4RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr16AssertViolationMEMORY_FREE, mainErr14RequiresViolation]=== [2018-04-12 14:39:58,765 INFO L82 PathProgramCache]: Analyzing trace with hash -710334693, now seen corresponding path program 1 times [2018-04-12 14:39:58,765 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-12 14:39:58,765 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-12 14:39:58,766 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 14:39:58,766 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-12 14:39:58,766 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 14:39:58,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 14:39:58,778 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 14:39:58,823 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 14:39:58,823 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-12 14:39:58,823 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-04-12 14:39:58,823 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-04-12 14:39:58,823 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-04-12 14:39:58,824 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-04-12 14:39:58,824 INFO L87 Difference]: Start difference. First operand 76 states and 81 transitions. Second operand 7 states. [2018-04-12 14:39:58,992 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 14:39:58,993 INFO L93 Difference]: Finished difference Result 97 states and 103 transitions. [2018-04-12 14:39:58,993 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-04-12 14:39:58,993 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 25 [2018-04-12 14:39:58,993 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 14:39:58,993 INFO L225 Difference]: With dead ends: 97 [2018-04-12 14:39:58,993 INFO L226 Difference]: Without dead ends: 97 [2018-04-12 14:39:58,994 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2018-04-12 14:39:58,994 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 97 states. [2018-04-12 14:39:58,995 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 97 to 74. [2018-04-12 14:39:58,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 74 states. [2018-04-12 14:39:58,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 79 transitions. [2018-04-12 14:39:58,996 INFO L78 Accepts]: Start accepts. Automaton has 74 states and 79 transitions. Word has length 25 [2018-04-12 14:39:58,996 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 14:39:58,996 INFO L459 AbstractCegarLoop]: Abstraction has 74 states and 79 transitions. [2018-04-12 14:39:58,996 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-04-12 14:39:58,996 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 79 transitions. [2018-04-12 14:39:58,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-04-12 14:39:58,997 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 14:39:58,997 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] [2018-04-12 14:39:58,997 INFO L408 AbstractCegarLoop]: === Iteration 6 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr0RequiresViolation, mainErr18EnsuresViolationMEMORY_LEAK, mainErr17AssertViolationMEMORY_FREE, mainErr3RequiresViolation, mainErr7RequiresViolation, mainErr11RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr15RequiresViolation, mainErr2RequiresViolation, mainErr4RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr16AssertViolationMEMORY_FREE, mainErr14RequiresViolation]=== [2018-04-12 14:39:58,997 INFO L82 PathProgramCache]: Analyzing trace with hash -710334692, now seen corresponding path program 1 times [2018-04-12 14:39:58,997 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-12 14:39:58,997 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-12 14:39:58,998 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 14:39:58,998 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-12 14:39:58,998 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 14:39:59,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 14:39:59,006 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 14:39:59,050 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 14:39:59,050 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-12 14:39:59,050 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-04-12 14:39:59,051 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-04-12 14:39:59,051 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-04-12 14:39:59,051 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-04-12 14:39:59,051 INFO L87 Difference]: Start difference. First operand 74 states and 79 transitions. Second operand 7 states. [2018-04-12 14:39:59,299 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 14:39:59,299 INFO L93 Difference]: Finished difference Result 105 states and 111 transitions. [2018-04-12 14:39:59,300 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-04-12 14:39:59,300 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 25 [2018-04-12 14:39:59,300 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 14:39:59,301 INFO L225 Difference]: With dead ends: 105 [2018-04-12 14:39:59,301 INFO L226 Difference]: Without dead ends: 105 [2018-04-12 14:39:59,301 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=56, Invalid=100, Unknown=0, NotChecked=0, Total=156 [2018-04-12 14:39:59,301 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 105 states. [2018-04-12 14:39:59,304 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 105 to 57. [2018-04-12 14:39:59,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 57 states. [2018-04-12 14:39:59,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 60 transitions. [2018-04-12 14:39:59,304 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 60 transitions. Word has length 25 [2018-04-12 14:39:59,305 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 14:39:59,305 INFO L459 AbstractCegarLoop]: Abstraction has 57 states and 60 transitions. [2018-04-12 14:39:59,305 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-04-12 14:39:59,305 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 60 transitions. [2018-04-12 14:39:59,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-04-12 14:39:59,305 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 14:39:59,305 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] [2018-04-12 14:39:59,306 INFO L408 AbstractCegarLoop]: === Iteration 7 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr0RequiresViolation, mainErr18EnsuresViolationMEMORY_LEAK, mainErr17AssertViolationMEMORY_FREE, mainErr3RequiresViolation, mainErr7RequiresViolation, mainErr11RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr15RequiresViolation, mainErr2RequiresViolation, mainErr4RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr16AssertViolationMEMORY_FREE, mainErr14RequiresViolation]=== [2018-04-12 14:39:59,306 INFO L82 PathProgramCache]: Analyzing trace with hash -878945185, now seen corresponding path program 1 times [2018-04-12 14:39:59,306 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-12 14:39:59,306 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-12 14:39:59,307 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 14:39:59,307 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-12 14:39:59,307 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 14:39:59,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 14:39:59,319 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 14:39:59,403 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 14:39:59,403 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-04-12 14:39:59,403 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 [2018-04-12 14:39:59,410 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-12 14:39:59,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 14:39:59,436 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-12 14:39:59,500 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 [2018-04-12 14:39:59,502 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 [2018-04-12 14:39:59,502 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 14:39:59,503 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 14:39:59,508 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 [2018-04-12 14:39:59,510 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 [2018-04-12 14:39:59,510 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-12 14:39:59,512 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 14:39:59,515 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-12 14:39:59,516 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:26, output treesize:18 [2018-04-12 14:39:59,558 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 [2018-04-12 14:39:59,560 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 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 [2018-04-12 14:39:59,561 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 14:39:59,562 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 14:39:59,568 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 [2018-04-12 14:39:59,569 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 [2018-04-12 14:39:59,570 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-12 14:39:59,571 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 14:39:59,573 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-12 14:39:59,573 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:29, output treesize:7 [2018-04-12 14:39:59,585 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 14:39:59,603 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-12 14:39:59,603 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 11] total 13 [2018-04-12 14:39:59,604 INFO L442 AbstractCegarLoop]: Interpolant automaton has 13 states [2018-04-12 14:39:59,604 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2018-04-12 14:39:59,604 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=124, Unknown=0, NotChecked=0, Total=156 [2018-04-12 14:39:59,604 INFO L87 Difference]: Start difference. First operand 57 states and 60 transitions. Second operand 13 states. [2018-04-12 14:39:59,775 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 14:39:59,775 INFO L93 Difference]: Finished difference Result 106 states and 111 transitions. [2018-04-12 14:39:59,775 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-04-12 14:39:59,775 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 25 [2018-04-12 14:39:59,776 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 14:39:59,776 INFO L225 Difference]: With dead ends: 106 [2018-04-12 14:39:59,777 INFO L226 Difference]: Without dead ends: 106 [2018-04-12 14:39:59,777 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 17 SyntacticMatches, 6 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 64 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=104, Invalid=276, Unknown=0, NotChecked=0, Total=380 [2018-04-12 14:39:59,777 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 106 states. [2018-04-12 14:39:59,779 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 106 to 72. [2018-04-12 14:39:59,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 72 states. [2018-04-12 14:39:59,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 77 transitions. [2018-04-12 14:39:59,780 INFO L78 Accepts]: Start accepts. Automaton has 72 states and 77 transitions. Word has length 25 [2018-04-12 14:39:59,780 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 14:39:59,780 INFO L459 AbstractCegarLoop]: Abstraction has 72 states and 77 transitions. [2018-04-12 14:39:59,780 INFO L460 AbstractCegarLoop]: Interpolant automaton has 13 states. [2018-04-12 14:39:59,780 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 77 transitions. [2018-04-12 14:39:59,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-04-12 14:39:59,781 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 14:39:59,781 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] [2018-04-12 14:39:59,781 INFO L408 AbstractCegarLoop]: === Iteration 8 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr0RequiresViolation, mainErr18EnsuresViolationMEMORY_LEAK, mainErr17AssertViolationMEMORY_FREE, mainErr3RequiresViolation, mainErr7RequiresViolation, mainErr11RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr15RequiresViolation, mainErr2RequiresViolation, mainErr4RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr16AssertViolationMEMORY_FREE, mainErr14RequiresViolation]=== [2018-04-12 14:39:59,782 INFO L82 PathProgramCache]: Analyzing trace with hash -1324848324, now seen corresponding path program 1 times [2018-04-12 14:39:59,782 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-12 14:39:59,782 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-12 14:39:59,783 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 14:39:59,783 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-12 14:39:59,783 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 14:39:59,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 14:39:59,799 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 14:39:59,953 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 14:39:59,953 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-04-12 14:39:59,953 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 [2018-04-12 14:39:59,959 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-12 14:39:59,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 14:39:59,980 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-12 14:39:59,982 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 [2018-04-12 14:39:59,982 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-12 14:39:59,985 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 14:39:59,985 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2018-04-12 14:40:00,035 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 14:40:00,036 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 14:40:00,037 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 [2018-04-12 14:40:00,037 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-12 14:40:00,046 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 14:40:00,047 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:26, output treesize:24 [2018-04-12 14:40:00,092 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 13 treesize of output 10 [2018-04-12 14:40:00,094 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 10 treesize of output 9 [2018-04-12 14:40:00,094 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 14:40:00,095 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 14:40:00,103 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-12 14:40:00,104 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:37, output treesize:36 [2018-04-12 14:40:00,175 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 35 [2018-04-12 14:40:00,177 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 [2018-04-12 14:40:00,177 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 14:40:00,180 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 14:40:00,185 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. [2018-04-12 14:40:00,185 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:47, output treesize:39 [2018-04-12 14:40:00,283 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 40 treesize of output 33 [2018-04-12 14:40:00,285 INFO L682 Elim1Store]: detected equality via solver [2018-04-12 14:40:00,286 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 21 treesize of output 15 [2018-04-12 14:40:00,286 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 14:40:00,291 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 [2018-04-12 14:40:00,291 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-04-12 14:40:00,294 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 14:40:00,315 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-12 14:40:00,315 INFO L202 ElimStorePlain]: Needed 4 recursive calls to eliminate 4 variables, input treesize:51, output treesize:15 [2018-04-12 14:40:00,358 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 14:40:00,376 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-12 14:40:00,377 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 15] total 27 [2018-04-12 14:40:00,377 INFO L442 AbstractCegarLoop]: Interpolant automaton has 28 states [2018-04-12 14:40:00,377 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2018-04-12 14:40:00,378 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=121, Invalid=635, Unknown=0, NotChecked=0, Total=756 [2018-04-12 14:40:00,378 INFO L87 Difference]: Start difference. First operand 72 states and 77 transitions. Second operand 28 states. [2018-04-12 14:40:01,231 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 14:40:01,232 INFO L93 Difference]: Finished difference Result 150 states and 161 transitions. [2018-04-12 14:40:01,232 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2018-04-12 14:40:01,232 INFO L78 Accepts]: Start accepts. Automaton has 28 states. Word has length 36 [2018-04-12 14:40:01,232 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 14:40:01,233 INFO L225 Difference]: With dead ends: 150 [2018-04-12 14:40:01,233 INFO L226 Difference]: Without dead ends: 150 [2018-04-12 14:40:01,234 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 22 SyntacticMatches, 2 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 805 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=549, Invalid=2207, Unknown=0, NotChecked=0, Total=2756 [2018-04-12 14:40:01,234 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 150 states. [2018-04-12 14:40:01,236 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 150 to 95. [2018-04-12 14:40:01,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 95 states. [2018-04-12 14:40:01,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 95 states and 104 transitions. [2018-04-12 14:40:01,237 INFO L78 Accepts]: Start accepts. Automaton has 95 states and 104 transitions. Word has length 36 [2018-04-12 14:40:01,237 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 14:40:01,237 INFO L459 AbstractCegarLoop]: Abstraction has 95 states and 104 transitions. [2018-04-12 14:40:01,237 INFO L460 AbstractCegarLoop]: Interpolant automaton has 28 states. [2018-04-12 14:40:01,237 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 104 transitions. [2018-04-12 14:40:01,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-04-12 14:40:01,238 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 14:40:01,238 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] [2018-04-12 14:40:01,238 INFO L408 AbstractCegarLoop]: === Iteration 9 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr0RequiresViolation, mainErr18EnsuresViolationMEMORY_LEAK, mainErr17AssertViolationMEMORY_FREE, mainErr3RequiresViolation, mainErr7RequiresViolation, mainErr11RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr15RequiresViolation, mainErr2RequiresViolation, mainErr4RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr16AssertViolationMEMORY_FREE, mainErr14RequiresViolation]=== [2018-04-12 14:40:01,238 INFO L82 PathProgramCache]: Analyzing trace with hash -1324848323, now seen corresponding path program 1 times [2018-04-12 14:40:01,238 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-12 14:40:01,238 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-12 14:40:01,239 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 14:40:01,239 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-12 14:40:01,239 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 14:40:01,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 14:40:01,249 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 14:40:01,655 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 14:40:01,655 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-04-12 14:40:01,655 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 [2018-04-12 14:40:01,667 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-12 14:40:01,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 14:40:01,692 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-12 14:40:01,695 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 [2018-04-12 14:40:01,695 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-12 14:40:01,700 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 14:40:01,700 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2018-04-12 14:40:01,775 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 14:40:01,776 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 14:40:01,776 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 [2018-04-12 14:40:01,777 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-12 14:40:01,789 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 6 treesize of output 5 [2018-04-12 14:40:01,789 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 14:40:01,797 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 14:40:01,797 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:29, output treesize:22 [2018-04-12 14:40:01,817 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 13 treesize of output 10 [2018-04-12 14:40:01,820 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 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 [2018-04-12 14:40:01,820 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 14:40:01,824 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 14:40:01,838 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 13 treesize of output 10 [2018-04-12 14:40:01,840 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 [2018-04-12 14:40:01,841 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-12 14:40:01,844 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 14:40:01,858 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-12 14:40:01,858 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:45, output treesize:40 [2018-04-12 14:40:01,912 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 56 [2018-04-12 14:40:01,914 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 [2018-04-12 14:40:01,915 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 14:40:01,921 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 14:40:01,944 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 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 [2018-04-12 14:40:01,948 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 13 [2018-04-12 14:40:01,948 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-12 14:40:01,954 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 14:40:01,961 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 1 xjuncts. [2018-04-12 14:40:01,961 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:70, output treesize:54 [2018-04-12 14:40:02,060 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 3 new quantified variables, introduced 0 case distinctions, treesize of input 53 treesize of output 44 [2018-04-12 14:40:02,063 INFO L682 Elim1Store]: detected equality via solver [2018-04-12 14:40:02,064 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 32 treesize of output 24 [2018-04-12 14:40:02,064 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 14:40:02,072 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 [2018-04-12 14:40:02,073 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-04-12 14:40:02,076 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 14:40:02,088 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 [2018-04-12 14:40:02,090 INFO L682 Elim1Store]: detected equality via solver [2018-04-12 14:40:02,090 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 [2018-04-12 14:40:02,090 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-04-12 14:40:02,100 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 1 [2018-04-12 14:40:02,100 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-04-12 14:40:02,101 INFO L267 ElimStorePlain]: Start of recursive call 5: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 14:40:02,107 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-12 14:40:02,107 INFO L202 ElimStorePlain]: Needed 7 recursive calls to eliminate 5 variables, input treesize:75, output treesize:9 [2018-04-12 14:40:02,135 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 14:40:02,165 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-12 14:40:02,165 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 15] total 22 [2018-04-12 14:40:02,166 INFO L442 AbstractCegarLoop]: Interpolant automaton has 23 states [2018-04-12 14:40:02,166 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2018-04-12 14:40:02,166 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=72, Invalid=434, Unknown=0, NotChecked=0, Total=506 [2018-04-12 14:40:02,166 INFO L87 Difference]: Start difference. First operand 95 states and 104 transitions. Second operand 23 states. [2018-04-12 14:40:03,048 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 14:40:03,048 INFO L93 Difference]: Finished difference Result 153 states and 164 transitions. [2018-04-12 14:40:03,048 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2018-04-12 14:40:03,048 INFO L78 Accepts]: Start accepts. Automaton has 23 states. Word has length 36 [2018-04-12 14:40:03,049 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 14:40:03,049 INFO L225 Difference]: With dead ends: 153 [2018-04-12 14:40:03,049 INFO L226 Difference]: Without dead ends: 153 [2018-04-12 14:40:03,050 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 24 SyntacticMatches, 6 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 435 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=341, Invalid=1381, Unknown=0, NotChecked=0, Total=1722 [2018-04-12 14:40:03,050 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 153 states. [2018-04-12 14:40:03,052 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 153 to 94. [2018-04-12 14:40:03,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 94 states. [2018-04-12 14:40:03,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 94 states and 102 transitions. [2018-04-12 14:40:03,054 INFO L78 Accepts]: Start accepts. Automaton has 94 states and 102 transitions. Word has length 36 [2018-04-12 14:40:03,054 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 14:40:03,054 INFO L459 AbstractCegarLoop]: Abstraction has 94 states and 102 transitions. [2018-04-12 14:40:03,054 INFO L460 AbstractCegarLoop]: Interpolant automaton has 23 states. [2018-04-12 14:40:03,054 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 102 transitions. [2018-04-12 14:40:03,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-04-12 14:40:03,055 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 14:40:03,055 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] [2018-04-12 14:40:03,055 INFO L408 AbstractCegarLoop]: === Iteration 10 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr0RequiresViolation, mainErr18EnsuresViolationMEMORY_LEAK, mainErr17AssertViolationMEMORY_FREE, mainErr3RequiresViolation, mainErr7RequiresViolation, mainErr11RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr15RequiresViolation, mainErr2RequiresViolation, mainErr4RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr16AssertViolationMEMORY_FREE, mainErr14RequiresViolation]=== [2018-04-12 14:40:03,055 INFO L82 PathProgramCache]: Analyzing trace with hash -470047326, now seen corresponding path program 1 times [2018-04-12 14:40:03,055 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-12 14:40:03,055 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-12 14:40:03,056 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 14:40:03,056 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-12 14:40:03,056 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 14:40:03,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 14:40:03,065 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 14:40:03,166 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-04-12 14:40:03,166 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-04-12 14:40:03,166 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 [2018-04-12 14:40:03,173 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-12 14:40:03,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 14:40:03,186 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-12 14:40:03,214 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 [2018-04-12 14:40:03,216 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 [2018-04-12 14:40:03,216 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 14:40:03,217 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 14:40:03,223 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 [2018-04-12 14:40:03,224 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 [2018-04-12 14:40:03,224 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-12 14:40:03,226 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 14:40:03,230 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. [2018-04-12 14:40:03,230 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:30, output treesize:22 [2018-04-12 14:40:03,396 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 [2018-04-12 14:40:03,403 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 15 treesize of output 12 [2018-04-12 14:40:03,403 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 2 xjuncts. [2018-04-12 14:40:03,406 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-12 14:40:03,414 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 [2018-04-12 14:40:03,421 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 15 treesize of output 12 [2018-04-12 14:40:03,421 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 2 xjuncts. [2018-04-12 14:40:03,423 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-12 14:40:03,431 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: and 3 xjuncts. [2018-04-12 14:40:03,431 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:43, output treesize:16 [2018-04-12 14:40:03,490 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 14:40:03,516 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-12 14:40:03,516 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 16] total 23 [2018-04-12 14:40:03,516 INFO L442 AbstractCegarLoop]: Interpolant automaton has 23 states [2018-04-12 14:40:03,516 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2018-04-12 14:40:03,517 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=446, Unknown=0, NotChecked=0, Total=506 [2018-04-12 14:40:03,517 INFO L87 Difference]: Start difference. First operand 94 states and 102 transitions. Second operand 23 states. [2018-04-12 14:40:03,920 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 14:40:03,920 INFO L93 Difference]: Finished difference Result 115 states and 122 transitions. [2018-04-12 14:40:03,920 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2018-04-12 14:40:03,920 INFO L78 Accepts]: Start accepts. Automaton has 23 states. Word has length 36 [2018-04-12 14:40:03,920 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 14:40:03,921 INFO L225 Difference]: With dead ends: 115 [2018-04-12 14:40:03,921 INFO L226 Difference]: Without dead ends: 115 [2018-04-12 14:40:03,922 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 23 SyntacticMatches, 3 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 171 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=199, Invalid=857, Unknown=0, NotChecked=0, Total=1056 [2018-04-12 14:40:03,922 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 115 states. [2018-04-12 14:40:03,925 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 115 to 105. [2018-04-12 14:40:03,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 105 states. [2018-04-12 14:40:03,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 105 states and 113 transitions. [2018-04-12 14:40:03,926 INFO L78 Accepts]: Start accepts. Automaton has 105 states and 113 transitions. Word has length 36 [2018-04-12 14:40:03,926 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 14:40:03,926 INFO L459 AbstractCegarLoop]: Abstraction has 105 states and 113 transitions. [2018-04-12 14:40:03,926 INFO L460 AbstractCegarLoop]: Interpolant automaton has 23 states. [2018-04-12 14:40:03,926 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 113 transitions. [2018-04-12 14:40:03,927 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-04-12 14:40:03,927 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 14:40:03,927 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] [2018-04-12 14:40:03,927 INFO L408 AbstractCegarLoop]: === Iteration 11 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr0RequiresViolation, mainErr18EnsuresViolationMEMORY_LEAK, mainErr17AssertViolationMEMORY_FREE, mainErr3RequiresViolation, mainErr7RequiresViolation, mainErr11RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr15RequiresViolation, mainErr2RequiresViolation, mainErr4RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr16AssertViolationMEMORY_FREE, mainErr14RequiresViolation]=== [2018-04-12 14:40:03,927 INFO L82 PathProgramCache]: Analyzing trace with hash -1686566652, now seen corresponding path program 1 times [2018-04-12 14:40:03,928 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-12 14:40:03,928 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-12 14:40:03,928 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 14:40:03,928 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-12 14:40:03,928 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 14:40:03,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 14:40:03,936 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 14:40:04,010 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-04-12 14:40:04,011 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-04-12 14:40:04,011 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 [2018-04-12 14:40:04,021 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-12 14:40:04,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 14:40:04,043 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-12 14:40:04,074 WARN L1033 $PredicateComparison]: unable to prove that (exists ((main_~p~0.base Int)) (and (= 0 (select |c_old(#valid)| main_~p~0.base)) (= (store |c_old(#valid)| main_~p~0.base 0) |c_#valid|))) is different from true [2018-04-12 14:40:04,080 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 2 not checked. [2018-04-12 14:40:04,101 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-12 14:40:04,101 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 6] total 9 [2018-04-12 14:40:04,101 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-04-12 14:40:04,101 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-04-12 14:40:04,102 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=55, Unknown=1, NotChecked=14, Total=90 [2018-04-12 14:40:04,102 INFO L87 Difference]: Start difference. First operand 105 states and 113 transitions. Second operand 10 states. [2018-04-12 14:40:04,201 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 14:40:04,201 INFO L93 Difference]: Finished difference Result 107 states and 114 transitions. [2018-04-12 14:40:04,203 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-04-12 14:40:04,203 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 37 [2018-04-12 14:40:04,203 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 14:40:04,203 INFO L225 Difference]: With dead ends: 107 [2018-04-12 14:40:04,203 INFO L226 Difference]: Without dead ends: 83 [2018-04-12 14:40:04,203 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=47, Invalid=112, Unknown=1, NotChecked=22, Total=182 [2018-04-12 14:40:04,204 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 83 states. [2018-04-12 14:40:04,204 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 83 to 83. [2018-04-12 14:40:04,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 83 states. [2018-04-12 14:40:04,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 83 states and 90 transitions. [2018-04-12 14:40:04,205 INFO L78 Accepts]: Start accepts. Automaton has 83 states and 90 transitions. Word has length 37 [2018-04-12 14:40:04,205 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 14:40:04,205 INFO L459 AbstractCegarLoop]: Abstraction has 83 states and 90 transitions. [2018-04-12 14:40:04,205 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-04-12 14:40:04,205 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 90 transitions. [2018-04-12 14:40:04,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-04-12 14:40:04,206 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 14:40:04,206 INFO L355 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 14:40:04,206 INFO L408 AbstractCegarLoop]: === Iteration 12 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr0RequiresViolation, mainErr18EnsuresViolationMEMORY_LEAK, mainErr17AssertViolationMEMORY_FREE, mainErr3RequiresViolation, mainErr7RequiresViolation, mainErr11RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr15RequiresViolation, mainErr2RequiresViolation, mainErr4RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr16AssertViolationMEMORY_FREE, mainErr14RequiresViolation]=== [2018-04-12 14:40:04,206 INFO L82 PathProgramCache]: Analyzing trace with hash -976350998, now seen corresponding path program 2 times [2018-04-12 14:40:04,206 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-12 14:40:04,206 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-12 14:40:04,207 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 14:40:04,207 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-12 14:40:04,207 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 14:40:04,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 14:40:04,219 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 14:40:04,461 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 2 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 14:40:04,461 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-04-12 14:40:04,461 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 [2018-04-12 14:40:04,467 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST1 [2018-04-12 14:40:04,482 INFO L242 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2018-04-12 14:40:04,482 INFO L243 tOrderPrioritization]: Conjunction of SSA is unsat [2018-04-12 14:40:04,487 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-12 14:40:04,489 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 6 treesize of output 5 [2018-04-12 14:40:04,489 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-12 14:40:04,491 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 14:40:04,491 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2018-04-12 14:40:04,518 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 14:40:04,519 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 14:40:04,519 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 [2018-04-12 14:40:04,519 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-12 14:40:04,523 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 14:40:04,523 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:23, output treesize:17 [2018-04-12 14:40:04,557 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 13 treesize of output 10 [2018-04-12 14:40:04,559 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 10 treesize of output 9 [2018-04-12 14:40:04,559 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 14:40:04,560 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 14:40:04,568 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 13 treesize of output 10 [2018-04-12 14:40:04,569 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 [2018-04-12 14:40:04,570 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-12 14:40:04,571 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 14:40:04,576 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-12 14:40:04,576 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:40, output treesize:29 [2018-04-12 14:40:04,638 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 59 treesize of output 55 [2018-04-12 14:40:04,639 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 18 treesize of output 17 [2018-04-12 14:40:04,639 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 14:40:04,643 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 14:40:04,657 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 50 treesize of output 51 [2018-04-12 14:40:04,658 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 18 treesize of output 17 [2018-04-12 14:40:04,658 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-12 14:40:04,662 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 14:40:04,666 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-12 14:40:04,666 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:69, output treesize:53 [2018-04-12 14:40:04,778 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 77 treesize of output 64 [2018-04-12 14:40:04,780 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 31 [2018-04-12 14:40:04,780 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-12 14:40:04,787 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 3 [2018-04-12 14:40:04,787 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-04-12 14:40:04,792 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-12 14:40:04,798 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 34 treesize of output 28 [2018-04-12 14:40:04,800 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 19 treesize of output 3 [2018-04-12 14:40:04,800 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-04-12 14:40:04,803 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 [2018-04-12 14:40:04,804 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-04-12 14:40:04,804 INFO L267 ElimStorePlain]: Start of recursive call 5: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 14:40:04,807 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-12 14:40:04,807 INFO L202 ElimStorePlain]: Needed 7 recursive calls to eliminate 3 variables, input treesize:84, output treesize:7 [2018-04-12 14:40:04,830 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 2 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 14:40:04,859 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-12 14:40:04,859 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 16] total 30 [2018-04-12 14:40:04,859 INFO L442 AbstractCegarLoop]: Interpolant automaton has 30 states [2018-04-12 14:40:04,860 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2018-04-12 14:40:04,860 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=89, Invalid=778, Unknown=3, NotChecked=0, Total=870 [2018-04-12 14:40:04,860 INFO L87 Difference]: Start difference. First operand 83 states and 90 transitions. Second operand 30 states. [2018-04-12 14:40:05,923 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 14:40:05,923 INFO L93 Difference]: Finished difference Result 124 states and 131 transitions. [2018-04-12 14:40:05,924 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2018-04-12 14:40:05,924 INFO L78 Accepts]: Start accepts. Automaton has 30 states. Word has length 42 [2018-04-12 14:40:05,924 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 14:40:05,924 INFO L225 Difference]: With dead ends: 124 [2018-04-12 14:40:05,924 INFO L226 Difference]: Without dead ends: 124 [2018-04-12 14:40:05,925 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 28 SyntacticMatches, 5 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 660 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=390, Invalid=2257, Unknown=5, NotChecked=0, Total=2652 [2018-04-12 14:40:05,925 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 124 states. [2018-04-12 14:40:05,927 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 124 to 89. [2018-04-12 14:40:05,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 89 states. [2018-04-12 14:40:05,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 89 states and 96 transitions. [2018-04-12 14:40:05,927 INFO L78 Accepts]: Start accepts. Automaton has 89 states and 96 transitions. Word has length 42 [2018-04-12 14:40:05,927 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 14:40:05,927 INFO L459 AbstractCegarLoop]: Abstraction has 89 states and 96 transitions. [2018-04-12 14:40:05,927 INFO L460 AbstractCegarLoop]: Interpolant automaton has 30 states. [2018-04-12 14:40:05,927 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 96 transitions. [2018-04-12 14:40:05,931 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-04-12 14:40:05,931 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 14:40:05,931 INFO L355 BasicCegarLoop]: trace histogram [3, 3, 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] [2018-04-12 14:40:05,931 INFO L408 AbstractCegarLoop]: === Iteration 13 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr0RequiresViolation, mainErr18EnsuresViolationMEMORY_LEAK, mainErr17AssertViolationMEMORY_FREE, mainErr3RequiresViolation, mainErr7RequiresViolation, mainErr11RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr15RequiresViolation, mainErr2RequiresViolation, mainErr4RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr16AssertViolationMEMORY_FREE, mainErr14RequiresViolation]=== [2018-04-12 14:40:05,931 INFO L82 PathProgramCache]: Analyzing trace with hash -880582593, now seen corresponding path program 3 times [2018-04-12 14:40:05,931 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-12 14:40:05,931 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-12 14:40:05,932 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 14:40:05,932 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-04-12 14:40:05,932 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 14:40:05,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 14:40:05,944 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 14:40:06,189 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 14:40:06,189 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-04-12 14:40:06,189 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 [2018-04-12 14:40:06,194 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST2 [2018-04-12 14:40:06,215 INFO L242 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2018-04-12 14:40:06,215 INFO L243 tOrderPrioritization]: Conjunction of SSA is unsat [2018-04-12 14:40:06,217 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-12 14:40:06,219 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 [2018-04-12 14:40:06,219 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-12 14:40:06,222 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 14:40:06,222 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2018-04-12 14:40:06,251 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 14:40:06,251 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 14:40:06,252 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 [2018-04-12 14:40:06,252 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-12 14:40:06,255 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 14:40:06,255 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:20, output treesize:14 [2018-04-12 14:40:06,267 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 13 treesize of output 10 [2018-04-12 14:40:06,268 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 10 treesize of output 9 [2018-04-12 14:40:06,269 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 14:40:06,270 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 14:40:06,276 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-12 14:40:06,276 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:32, output treesize:25 [2018-04-12 14:40:06,290 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 14:40:06,290 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 14:40:06,291 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 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 [2018-04-12 14:40:06,291 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-12 14:40:06,295 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 14:40:06,295 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:27, output treesize:21 [2018-04-12 14:40:06,313 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 23 treesize of output 24 [2018-04-12 14:40:06,315 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 10 treesize of output 9 [2018-04-12 14:40:06,315 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 14:40:06,318 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 14:40:06,325 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-12 14:40:06,325 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:39, output treesize:32 [2018-04-12 14:40:06,405 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 4 new quantified variables, introduced 3 case distinctions, treesize of input 75 treesize of output 73 [2018-04-12 14:40:06,414 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 57 treesize of output 61 [2018-04-12 14:40:06,415 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 2 xjuncts. [2018-04-12 14:40:06,440 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 60 treesize of output 59 [2018-04-12 14:40:06,441 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-04-12 14:40:06,453 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-12 14:40:06,465 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. [2018-04-12 14:40:06,465 INFO L202 ElimStorePlain]: Needed 4 recursive calls to eliminate 3 variables, input treesize:78, output treesize:103 [2018-04-12 14:40:06,539 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 37 [2018-04-12 14:40:06,542 INFO L682 Elim1Store]: detected equality via solver [2018-04-12 14:40:06,543 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 23 treesize of output 15 [2018-04-12 14:40:06,543 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 14:40:06,548 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 [2018-04-12 14:40:06,548 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-04-12 14:40:06,550 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 14:40:06,578 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 1 case distinctions, treesize of input 66 treesize of output 60 [2018-04-12 14:40:06,587 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 [2018-04-12 14:40:06,588 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 2 xjuncts. [2018-04-12 14:40:06,608 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 50 treesize of output 43 [2018-04-12 14:40:06,609 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-04-12 14:40:06,624 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 2 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 [2018-04-12 14:40:06,625 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2018-04-12 14:40:06,640 INFO L682 Elim1Store]: detected equality via solver [2018-04-12 14:40:06,640 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 27 treesize of output 19 [2018-04-12 14:40:06,641 INFO L267 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2018-04-12 14:40:06,642 INFO L682 Elim1Store]: detected equality via solver [2018-04-12 14:40:06,642 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 23 [2018-04-12 14:40:06,643 INFO L267 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2018-04-12 14:40:06,677 INFO L682 Elim1Store]: detected equality via solver [2018-04-12 14:40:06,678 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 23 treesize of output 15 [2018-04-12 14:40:06,678 INFO L267 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2018-04-12 14:40:06,684 INFO L267 ElimStorePlain]: Start of recursive call 5: 5 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 14:40:06,689 INFO L267 ElimStorePlain]: Start of recursive call 1: 5 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-12 14:40:06,689 INFO L202 ElimStorePlain]: Needed 11 recursive calls to eliminate 7 variables, input treesize:111, output treesize:5 [2018-04-12 14:40:06,702 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 14:40:06,720 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-12 14:40:06,720 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 18] total 26 [2018-04-12 14:40:06,721 INFO L442 AbstractCegarLoop]: Interpolant automaton has 27 states [2018-04-12 14:40:06,721 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2018-04-12 14:40:06,721 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=94, Invalid=608, Unknown=0, NotChecked=0, Total=702 [2018-04-12 14:40:06,721 INFO L87 Difference]: Start difference. First operand 89 states and 96 transitions. Second operand 27 states. [2018-04-12 14:40:08,061 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 14:40:08,061 INFO L93 Difference]: Finished difference Result 167 states and 180 transitions. [2018-04-12 14:40:08,061 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2018-04-12 14:40:08,061 INFO L78 Accepts]: Start accepts. Automaton has 27 states. Word has length 47 [2018-04-12 14:40:08,061 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 14:40:08,062 INFO L225 Difference]: With dead ends: 167 [2018-04-12 14:40:08,062 INFO L226 Difference]: Without dead ends: 167 [2018-04-12 14:40:08,062 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 97 GetRequests, 32 SyntacticMatches, 9 SemanticMatches, 56 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 930 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=617, Invalid=2689, Unknown=0, NotChecked=0, Total=3306 [2018-04-12 14:40:08,063 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 167 states. [2018-04-12 14:40:08,064 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 167 to 112. [2018-04-12 14:40:08,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 112 states. [2018-04-12 14:40:08,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 112 states and 123 transitions. [2018-04-12 14:40:08,064 INFO L78 Accepts]: Start accepts. Automaton has 112 states and 123 transitions. Word has length 47 [2018-04-12 14:40:08,064 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 14:40:08,064 INFO L459 AbstractCegarLoop]: Abstraction has 112 states and 123 transitions. [2018-04-12 14:40:08,064 INFO L460 AbstractCegarLoop]: Interpolant automaton has 27 states. [2018-04-12 14:40:08,064 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 123 transitions. [2018-04-12 14:40:08,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-04-12 14:40:08,065 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 14:40:08,065 INFO L355 BasicCegarLoop]: trace histogram [3, 3, 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] [2018-04-12 14:40:08,065 INFO L408 AbstractCegarLoop]: === Iteration 14 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr0RequiresViolation, mainErr18EnsuresViolationMEMORY_LEAK, mainErr17AssertViolationMEMORY_FREE, mainErr3RequiresViolation, mainErr7RequiresViolation, mainErr11RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr15RequiresViolation, mainErr2RequiresViolation, mainErr4RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr16AssertViolationMEMORY_FREE, mainErr14RequiresViolation]=== [2018-04-12 14:40:08,065 INFO L82 PathProgramCache]: Analyzing trace with hash -880582592, now seen corresponding path program 2 times [2018-04-12 14:40:08,065 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-12 14:40:08,065 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-12 14:40:08,066 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 14:40:08,066 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-04-12 14:40:08,066 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 14:40:08,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 14:40:08,076 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 14:40:08,296 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 14:40:08,296 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-04-12 14:40:08,297 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 [2018-04-12 14:40:08,302 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST1 [2018-04-12 14:40:08,318 INFO L242 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2018-04-12 14:40:08,318 INFO L243 tOrderPrioritization]: Conjunction of SSA is unsat [2018-04-12 14:40:08,321 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-12 14:40:08,323 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 [2018-04-12 14:40:08,324 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-12 14:40:08,325 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 14:40:08,326 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2018-04-12 14:40:08,358 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 14:40:08,359 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 14:40:08,359 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 [2018-04-12 14:40:08,359 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-12 14:40:08,363 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 14:40:08,363 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:23, output treesize:17 [2018-04-12 14:40:08,399 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 13 treesize of output 10 [2018-04-12 14:40:08,400 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 10 treesize of output 9 [2018-04-12 14:40:08,400 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 14:40:08,401 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 14:40:08,409 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 13 treesize of output 10 [2018-04-12 14:40:08,410 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 [2018-04-12 14:40:08,410 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-12 14:40:08,412 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 14:40:08,418 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-12 14:40:08,418 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:45, output treesize:34 [2018-04-12 14:40:08,472 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 14:40:08,473 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 14:40:08,473 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 [2018-04-12 14:40:08,473 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-12 14:40:08,477 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 14:40:08,477 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:36, output treesize:30 [2018-04-12 14:40:08,518 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 14:40:08,521 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 21 treesize of output 26 [2018-04-12 14:40:08,522 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 [2018-04-12 14:40:08,523 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 14:40:08,526 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 14:40:08,538 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 14:40:08,541 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 [2018-04-12 14:40:08,542 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 10 treesize of output 9 [2018-04-12 14:40:08,542 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-12 14:40:08,547 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 14:40:08,555 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-12 14:40:08,556 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:68, output treesize:48 [2018-04-12 14:40:08,656 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 4 new quantified variables, introduced 3 case distinctions, treesize of input 100 treesize of output 90 [2018-04-12 14:40:08,658 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 105 treesize of output 104 [2018-04-12 14:40:08,659 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 14:40:08,693 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 79 [2018-04-12 14:40:08,694 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 2 xjuncts. [2018-04-12 14:40:08,716 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-12 14:40:08,741 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 68 treesize of output 61 [2018-04-12 14:40:08,742 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 [2018-04-12 14:40:08,742 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-04-12 14:40:08,749 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 14:40:08,752 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 93 treesize of output 80 [2018-04-12 14:40:08,754 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 20 treesize of output 19 [2018-04-12 14:40:08,754 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2018-04-12 14:40:08,761 INFO L267 ElimStorePlain]: Start of recursive call 7: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 14:40:08,781 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. [2018-04-12 14:40:08,781 INFO L202 ElimStorePlain]: Needed 8 recursive calls to eliminate 4 variables, input treesize:115, output treesize:149 [2018-04-12 14:40:08,918 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 72 treesize of output 58 [2018-04-12 14:40:08,921 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 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 [2018-04-12 14:40:08,921 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 14:40:08,929 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 21 [2018-04-12 14:40:08,929 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-04-12 14:40:08,935 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 14:40:08,954 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 40 treesize of output 34 [2018-04-12 14:40:08,957 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 [2018-04-12 14:40:08,957 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-04-12 14:40:08,963 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 [2018-04-12 14:40:08,964 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-04-12 14:40:08,967 INFO L267 ElimStorePlain]: Start of recursive call 5: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 14:40:09,010 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 1 case distinctions, treesize of input 98 treesize of output 83 [2018-04-12 14:40:09,012 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 76 treesize of output 64 [2018-04-12 14:40:09,013 INFO L267 ElimStorePlain]: Start of recursive call 9: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-12 14:40:09,052 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 64 treesize of output 55 [2018-04-12 14:40:09,053 INFO L267 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2018-04-12 14:40:09,083 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 68 treesize of output 59 [2018-04-12 14:40:09,083 INFO L267 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2018-04-12 14:40:09,108 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 [2018-04-12 14:40:09,108 INFO L267 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2018-04-12 14:40:09,142 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 59 treesize of output 56 [2018-04-12 14:40:09,143 INFO L267 ElimStorePlain]: Start of recursive call 13: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-04-12 14:40:09,172 INFO L267 ElimStorePlain]: Start of recursive call 8: 5 dim-1 vars, End of recursive call: 2 dim-0 vars, and 3 xjuncts. [2018-04-12 14:40:09,210 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 48 treesize of output 42 [2018-04-12 14:40:09,216 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 [2018-04-12 14:40:09,217 INFO L267 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2018-04-12 14:40:09,224 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 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 [2018-04-12 14:40:09,224 INFO L267 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2018-04-12 14:40:09,230 INFO L267 ElimStorePlain]: Start of recursive call 14: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 14:40:09,232 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 46 [2018-04-12 14:40:09,234 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 [2018-04-12 14:40:09,234 INFO L267 ElimStorePlain]: Start of recursive call 18: End of recursive call: and 1 xjuncts. [2018-04-12 14:40:09,244 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 [2018-04-12 14:40:09,245 INFO L267 ElimStorePlain]: Start of recursive call 19: End of recursive call: and 1 xjuncts. [2018-04-12 14:40:09,259 INFO L267 ElimStorePlain]: Start of recursive call 17: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 14:40:09,261 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 44 treesize of output 38 [2018-04-12 14:40:09,271 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 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 [2018-04-12 14:40:09,272 INFO L267 ElimStorePlain]: Start of recursive call 21: End of recursive call: and 1 xjuncts. [2018-04-12 14:40:09,279 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 [2018-04-12 14:40:09,279 INFO L267 ElimStorePlain]: Start of recursive call 22: End of recursive call: and 1 xjuncts. [2018-04-12 14:40:09,284 INFO L267 ElimStorePlain]: Start of recursive call 20: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 14:40:09,308 INFO L267 ElimStorePlain]: Start of recursive call 1: 5 dim-0 vars, 4 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-12 14:40:09,308 INFO L202 ElimStorePlain]: Needed 22 recursive calls to eliminate 9 variables, input treesize:171, output treesize:9 [2018-04-12 14:40:09,346 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 14:40:09,364 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-12 14:40:09,364 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 18] total 35 [2018-04-12 14:40:09,364 INFO L442 AbstractCegarLoop]: Interpolant automaton has 36 states [2018-04-12 14:40:09,364 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 36 interpolants. [2018-04-12 14:40:09,365 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=133, Invalid=1127, Unknown=0, NotChecked=0, Total=1260 [2018-04-12 14:40:09,365 INFO L87 Difference]: Start difference. First operand 112 states and 123 transitions. Second operand 36 states. [2018-04-12 14:40:11,536 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 14:40:11,536 INFO L93 Difference]: Finished difference Result 170 states and 183 transitions. [2018-04-12 14:40:11,537 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2018-04-12 14:40:11,537 INFO L78 Accepts]: Start accepts. Automaton has 36 states. Word has length 47 [2018-04-12 14:40:11,537 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 14:40:11,537 INFO L225 Difference]: With dead ends: 170 [2018-04-12 14:40:11,537 INFO L226 Difference]: Without dead ends: 170 [2018-04-12 14:40:11,538 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 31 SyntacticMatches, 2 SemanticMatches, 62 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 908 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=612, Invalid=3420, Unknown=0, NotChecked=0, Total=4032 [2018-04-12 14:40:11,538 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 170 states. [2018-04-12 14:40:11,540 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 170 to 111. [2018-04-12 14:40:11,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 111 states. [2018-04-12 14:40:11,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 111 states and 121 transitions. [2018-04-12 14:40:11,541 INFO L78 Accepts]: Start accepts. Automaton has 111 states and 121 transitions. Word has length 47 [2018-04-12 14:40:11,541 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 14:40:11,541 INFO L459 AbstractCegarLoop]: Abstraction has 111 states and 121 transitions. [2018-04-12 14:40:11,541 INFO L460 AbstractCegarLoop]: Interpolant automaton has 36 states. [2018-04-12 14:40:11,541 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 121 transitions. [2018-04-12 14:40:11,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-04-12 14:40:11,542 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 14:40:11,542 INFO L355 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 14:40:11,542 INFO L408 AbstractCegarLoop]: === Iteration 15 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr0RequiresViolation, mainErr18EnsuresViolationMEMORY_LEAK, mainErr17AssertViolationMEMORY_FREE, mainErr3RequiresViolation, mainErr7RequiresViolation, mainErr11RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr15RequiresViolation, mainErr2RequiresViolation, mainErr4RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr16AssertViolationMEMORY_FREE, mainErr14RequiresViolation]=== [2018-04-12 14:40:11,542 INFO L82 PathProgramCache]: Analyzing trace with hash -25781595, now seen corresponding path program 1 times [2018-04-12 14:40:11,542 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-12 14:40:11,542 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-12 14:40:11,543 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 14:40:11,543 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-04-12 14:40:11,543 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 14:40:11,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 14:40:11,553 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 14:40:11,692 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-04-12 14:40:11,693 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-04-12 14:40:11,693 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 [2018-04-12 14:40:11,701 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-12 14:40:11,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 14:40:11,718 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-12 14:40:11,817 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 [2018-04-12 14:40:11,821 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 15 treesize of output 12 [2018-04-12 14:40:11,821 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 2 xjuncts. [2018-04-12 14:40:11,823 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-12 14:40:11,830 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 [2018-04-12 14:40:11,834 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 15 treesize of output 12 [2018-04-12 14:40:11,835 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 2 xjuncts. [2018-04-12 14:40:11,837 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-12 14:40:11,843 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: and 3 xjuncts. [2018-04-12 14:40:11,843 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:43, output treesize:16 [2018-04-12 14:40:11,946 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-04-12 14:40:11,964 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-12 14:40:11,964 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 14] total 27 [2018-04-12 14:40:11,964 INFO L442 AbstractCegarLoop]: Interpolant automaton has 27 states [2018-04-12 14:40:11,964 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2018-04-12 14:40:11,965 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=89, Invalid=613, Unknown=0, NotChecked=0, Total=702 [2018-04-12 14:40:11,965 INFO L87 Difference]: Start difference. First operand 111 states and 121 transitions. Second operand 27 states. [2018-04-12 14:40:12,865 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 14:40:12,865 INFO L93 Difference]: Finished difference Result 169 states and 178 transitions. [2018-04-12 14:40:12,866 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2018-04-12 14:40:12,866 INFO L78 Accepts]: Start accepts. Automaton has 27 states. Word has length 47 [2018-04-12 14:40:12,866 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 14:40:12,867 INFO L225 Difference]: With dead ends: 169 [2018-04-12 14:40:12,867 INFO L226 Difference]: Without dead ends: 169 [2018-04-12 14:40:12,868 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 91 GetRequests, 36 SyntacticMatches, 1 SemanticMatches, 54 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 631 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=511, Invalid=2569, Unknown=0, NotChecked=0, Total=3080 [2018-04-12 14:40:12,868 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 169 states. [2018-04-12 14:40:12,870 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 169 to 128. [2018-04-12 14:40:12,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 128 states. [2018-04-12 14:40:12,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 128 states and 138 transitions. [2018-04-12 14:40:12,874 INFO L78 Accepts]: Start accepts. Automaton has 128 states and 138 transitions. Word has length 47 [2018-04-12 14:40:12,874 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 14:40:12,874 INFO L459 AbstractCegarLoop]: Abstraction has 128 states and 138 transitions. [2018-04-12 14:40:12,874 INFO L460 AbstractCegarLoop]: Interpolant automaton has 27 states. [2018-04-12 14:40:12,875 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 138 transitions. [2018-04-12 14:40:12,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-04-12 14:40:12,875 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 14:40:12,875 INFO L355 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 14:40:12,875 INFO L408 AbstractCegarLoop]: === Iteration 16 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr0RequiresViolation, mainErr18EnsuresViolationMEMORY_LEAK, mainErr17AssertViolationMEMORY_FREE, mainErr3RequiresViolation, mainErr7RequiresViolation, mainErr11RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr15RequiresViolation, mainErr2RequiresViolation, mainErr4RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr16AssertViolationMEMORY_FREE, mainErr14RequiresViolation]=== [2018-04-12 14:40:12,876 INFO L82 PathProgramCache]: Analyzing trace with hash -1842350163, now seen corresponding path program 4 times [2018-04-12 14:40:12,876 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-12 14:40:12,876 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-12 14:40:12,876 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 14:40:12,877 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-12 14:40:12,877 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 14:40:12,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 14:40:12,905 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 14:40:13,351 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 0 proven. 31 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 14:40:13,351 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-04-12 14:40:13,351 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 [2018-04-12 14:40:13,359 INFO L103 rtionOrderModulation]: Keeping assertion order TERMS_WITH_SMALL_CONSTANTS_FIRST [2018-04-12 14:40:13,378 INFO L242 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2018-04-12 14:40:13,378 INFO L243 tOrderPrioritization]: Conjunction of SSA is unsat [2018-04-12 14:40:13,383 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-12 14:40:13,385 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 6 treesize of output 5 [2018-04-12 14:40:13,385 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-12 14:40:13,387 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 14:40:13,387 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2018-04-12 14:40:13,442 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 14:40:13,442 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 14:40:13,443 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 [2018-04-12 14:40:13,443 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-12 14:40:13,449 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 14:40:13,450 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:29, output treesize:27 [2018-04-12 14:40:13,509 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 13 treesize of output 10 [2018-04-12 14:40:13,510 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 10 treesize of output 9 [2018-04-12 14:40:13,510 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 14:40:13,511 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 14:40:13,522 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 13 treesize of output 10 [2018-04-12 14:40:13,523 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 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 [2018-04-12 14:40:13,523 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-12 14:40:13,525 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 14:40:13,533 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-12 14:40:13,533 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:50, output treesize:45 [2018-04-12 14:40:13,602 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 14:40:13,602 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 14:40:13,603 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 14:40:13,603 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 46 [2018-04-12 14:40:13,604 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-12 14:40:13,613 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 14:40:13,613 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:50, output treesize:58 [2018-04-12 14:40:13,671 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 14:40:13,672 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 34 treesize of output 46 [2018-04-12 14:40:13,675 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 22 treesize of output 18 [2018-04-12 14:40:13,675 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 14:40:13,680 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 14:40:13,701 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 14:40:13,704 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 23 treesize of output 30 [2018-04-12 14:40:13,705 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 [2018-04-12 14:40:13,705 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-12 14:40:13,709 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 14:40:13,718 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-12 14:40:13,718 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:84, output treesize:72 [2018-04-12 14:40:13,816 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 14:40:13,818 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 14:40:13,821 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 127 treesize of output 108 [2018-04-12 14:40:13,823 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 20 treesize of output 19 [2018-04-12 14:40:13,823 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 14:40:13,831 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 14:40:13,843 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 43 treesize of output 44 [2018-04-12 14:40:13,844 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 20 treesize of output 19 [2018-04-12 14:40:13,845 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-12 14:40:13,847 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 14:40:13,855 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. [2018-04-12 14:40:13,855 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:144, output treesize:116 [2018-04-12 14:40:13,976 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 38 treesize of output 36 [2018-04-12 14:40:13,978 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 [2018-04-12 14:40:13,978 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 14:40:13,982 INFO L682 Elim1Store]: detected equality via solver [2018-04-12 14:40:13,982 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 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 [2018-04-12 14:40:13,982 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-04-12 14:40:13,984 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 14:40:13,993 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. [2018-04-12 14:40:13,993 INFO L202 ElimStorePlain]: Needed 4 recursive calls to eliminate 4 variables, input treesize:137, output treesize:103 [2018-04-12 14:40:14,085 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 14:40:14,085 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 14:40:14,086 INFO L682 Elim1Store]: detected equality via solver [2018-04-12 14:40:14,088 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 14:40:14,089 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 93 treesize of output 90 [2018-04-12 14:40:14,096 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 [2018-04-12 14:40:14,096 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 14:40:14,106 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 [2018-04-12 14:40:14,106 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-04-12 14:40:14,112 INFO L682 Elim1Store]: detected equality via solver [2018-04-12 14:40:14,112 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 26 treesize of output 21 [2018-04-12 14:40:14,113 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-12 14:40:14,124 INFO L267 ElimStorePlain]: Start of recursive call 2: 3 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-12 14:40:14,133 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. [2018-04-12 14:40:14,133 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:104, output treesize:28 [2018-04-12 14:40:14,207 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 0 proven. 31 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 14:40:14,225 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-12 14:40:14,225 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [22, 23] total 41 [2018-04-12 14:40:14,225 INFO L442 AbstractCegarLoop]: Interpolant automaton has 42 states [2018-04-12 14:40:14,225 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 42 interpolants. [2018-04-12 14:40:14,226 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=192, Invalid=1530, Unknown=0, NotChecked=0, Total=1722 [2018-04-12 14:40:14,226 INFO L87 Difference]: Start difference. First operand 128 states and 138 transitions. Second operand 42 states. [2018-04-12 14:40:17,103 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 14:40:17,104 INFO L93 Difference]: Finished difference Result 197 states and 211 transitions. [2018-04-12 14:40:17,104 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2018-04-12 14:40:17,104 INFO L78 Accepts]: Start accepts. Automaton has 42 states. Word has length 53 [2018-04-12 14:40:17,104 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 14:40:17,105 INFO L225 Difference]: With dead ends: 197 [2018-04-12 14:40:17,105 INFO L226 Difference]: Without dead ends: 197 [2018-04-12 14:40:17,106 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 109 GetRequests, 30 SyntacticMatches, 7 SemanticMatches, 72 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1637 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=777, Invalid=4625, Unknown=0, NotChecked=0, Total=5402 [2018-04-12 14:40:17,106 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 197 states. [2018-04-12 14:40:17,107 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 197 to 132. [2018-04-12 14:40:17,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 132 states. [2018-04-12 14:40:17,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 132 states and 144 transitions. [2018-04-12 14:40:17,108 INFO L78 Accepts]: Start accepts. Automaton has 132 states and 144 transitions. Word has length 53 [2018-04-12 14:40:17,108 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 14:40:17,108 INFO L459 AbstractCegarLoop]: Abstraction has 132 states and 144 transitions. [2018-04-12 14:40:17,108 INFO L460 AbstractCegarLoop]: Interpolant automaton has 42 states. [2018-04-12 14:40:17,108 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 144 transitions. [2018-04-12 14:40:17,109 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-04-12 14:40:17,109 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 14:40:17,109 INFO L355 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 14:40:17,109 INFO L408 AbstractCegarLoop]: === Iteration 17 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr0RequiresViolation, mainErr18EnsuresViolationMEMORY_LEAK, mainErr17AssertViolationMEMORY_FREE, mainErr3RequiresViolation, mainErr7RequiresViolation, mainErr11RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr15RequiresViolation, mainErr2RequiresViolation, mainErr4RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr16AssertViolationMEMORY_FREE, mainErr14RequiresViolation]=== [2018-04-12 14:40:17,109 INFO L82 PathProgramCache]: Analyzing trace with hash -1842350162, now seen corresponding path program 3 times [2018-04-12 14:40:17,109 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-12 14:40:17,109 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-12 14:40:17,109 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 14:40:17,110 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-04-12 14:40:17,110 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 14:40:17,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 14:40:17,125 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 14:40:17,503 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 0 proven. 31 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 14:40:17,504 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-04-12 14:40:17,504 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 [2018-04-12 14:40:17,509 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST2 [2018-04-12 14:40:17,530 INFO L242 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2018-04-12 14:40:17,530 INFO L243 tOrderPrioritization]: Conjunction of SSA is unsat [2018-04-12 14:40:17,532 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-12 14:40:17,534 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 [2018-04-12 14:40:17,535 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-12 14:40:17,537 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 14:40:17,537 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2018-04-12 14:40:17,572 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 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 [2018-04-12 14:40:17,572 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-12 14:40:17,587 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 14:40:17,588 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 14:40:17,588 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 [2018-04-12 14:40:17,588 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 14:40:17,592 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 14:40:17,592 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:29, output treesize:22 [2018-04-12 14:40:17,633 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 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 [2018-04-12 14:40:17,635 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 10 treesize of output 9 [2018-04-12 14:40:17,635 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 14:40:17,636 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 14:40:17,645 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 13 treesize of output 10 [2018-04-12 14:40:17,646 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 [2018-04-12 14:40:17,646 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-12 14:40:17,647 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 14:40:17,654 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-12 14:40:17,655 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:50, output treesize:45 [2018-04-12 14:40:17,761 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 14:40:17,761 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 14:40:17,762 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 14:40:17,762 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 14:40:17,763 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 [2018-04-12 14:40:17,763 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-12 14:40:17,774 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 16 treesize of output 23 [2018-04-12 14:40:17,774 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 14:40:17,783 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 14:40:17,784 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:66, output treesize:62 [2018-04-12 14:40:17,852 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 14:40:17,856 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 28 treesize of output 33 [2018-04-12 14:40:17,858 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 [2018-04-12 14:40:17,858 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 14:40:17,863 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 14:40:17,880 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 14:40:17,883 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 14:40:17,884 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 59 treesize of output 71 [2018-04-12 14:40:17,889 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 22 treesize of output 18 [2018-04-12 14:40:17,890 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-12 14:40:17,898 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 14:40:17,909 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-12 14:40:17,909 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:85, output treesize:82 [2018-04-12 14:40:18,081 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 14:40:18,087 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 183 treesize of output 177 [2018-04-12 14:40:18,089 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 24 treesize of output 23 [2018-04-12 14:40:18,089 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 14:40:18,101 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 14:40:18,135 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 14:40:18,136 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 14:40:18,140 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 167 treesize of output 156 [2018-04-12 14:40:18,142 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 24 treesize of output 23 [2018-04-12 14:40:18,142 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-12 14:40:18,154 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 14:40:18,168 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. [2018-04-12 14:40:18,169 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:198, output treesize:162 [2018-04-12 14:40:18,397 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 14:40:18,400 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 14:40:18,401 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 186 treesize of output 154 [2018-04-12 14:40:18,403 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 [2018-04-12 14:40:18,403 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 14:40:18,418 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 78 treesize of output 64 [2018-04-12 14:40:18,419 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-12 14:40:18,431 INFO L682 Elim1Store]: detected equality via solver [2018-04-12 14:40:18,432 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 62 treesize of output 34 [2018-04-12 14:40:18,432 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-12 14:40:18,442 INFO L267 ElimStorePlain]: Start of recursive call 2: 3 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-12 14:40:18,459 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 50 [2018-04-12 14:40:18,460 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 [2018-04-12 14:40:18,460 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-04-12 14:40:18,467 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 11 [2018-04-12 14:40:18,467 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2018-04-12 14:40:18,471 INFO L682 Elim1Store]: detected equality via solver [2018-04-12 14:40:18,471 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 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 12 [2018-04-12 14:40:18,471 INFO L267 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2018-04-12 14:40:18,474 INFO L267 ElimStorePlain]: Start of recursive call 6: 3 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 14:40:18,482 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. [2018-04-12 14:40:18,482 INFO L202 ElimStorePlain]: Needed 9 recursive calls to eliminate 5 variables, input treesize:199, output treesize:26 [2018-04-12 14:40:18,557 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 0 proven. 31 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 14:40:18,576 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-12 14:40:18,576 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [22, 23] total 43 [2018-04-12 14:40:18,577 INFO L442 AbstractCegarLoop]: Interpolant automaton has 44 states [2018-04-12 14:40:18,577 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 44 interpolants. [2018-04-12 14:40:18,578 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=183, Invalid=1709, Unknown=0, NotChecked=0, Total=1892 [2018-04-12 14:40:18,578 INFO L87 Difference]: Start difference. First operand 132 states and 144 transitions. Second operand 44 states. [2018-04-12 14:40:20,734 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 14:40:20,735 INFO L93 Difference]: Finished difference Result 200 states and 214 transitions. [2018-04-12 14:40:20,735 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2018-04-12 14:40:20,735 INFO L78 Accepts]: Start accepts. Automaton has 44 states. Word has length 53 [2018-04-12 14:40:20,735 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 14:40:20,735 INFO L225 Difference]: With dead ends: 200 [2018-04-12 14:40:20,736 INFO L226 Difference]: Without dead ends: 200 [2018-04-12 14:40:20,737 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 106 GetRequests, 32 SyntacticMatches, 3 SemanticMatches, 71 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1543 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=669, Invalid=4587, Unknown=0, NotChecked=0, Total=5256 [2018-04-12 14:40:20,737 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 200 states. [2018-04-12 14:40:20,739 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 200 to 134. [2018-04-12 14:40:20,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 134 states. [2018-04-12 14:40:20,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 134 states and 145 transitions. [2018-04-12 14:40:20,740 INFO L78 Accepts]: Start accepts. Automaton has 134 states and 145 transitions. Word has length 53 [2018-04-12 14:40:20,740 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 14:40:20,740 INFO L459 AbstractCegarLoop]: Abstraction has 134 states and 145 transitions. [2018-04-12 14:40:20,740 INFO L460 AbstractCegarLoop]: Interpolant automaton has 44 states. [2018-04-12 14:40:20,740 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 145 transitions. [2018-04-12 14:40:20,740 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-04-12 14:40:20,740 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 14:40:20,740 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] [2018-04-12 14:40:20,740 INFO L408 AbstractCegarLoop]: === Iteration 18 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr0RequiresViolation, mainErr18EnsuresViolationMEMORY_LEAK, mainErr17AssertViolationMEMORY_FREE, mainErr3RequiresViolation, mainErr7RequiresViolation, mainErr11RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr15RequiresViolation, mainErr2RequiresViolation, mainErr4RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr16AssertViolationMEMORY_FREE, mainErr14RequiresViolation]=== [2018-04-12 14:40:20,741 INFO L82 PathProgramCache]: Analyzing trace with hash 1726364727, now seen corresponding path program 2 times [2018-04-12 14:40:20,741 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-12 14:40:20,741 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-12 14:40:20,741 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 14:40:20,741 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-04-12 14:40:20,741 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 14:40:20,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 14:40:20,750 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 14:40:20,963 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-04-12 14:40:20,963 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-04-12 14:40:20,963 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 [2018-04-12 14:40:20,970 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST1 [2018-04-12 14:40:20,988 INFO L242 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2018-04-12 14:40:20,988 INFO L243 tOrderPrioritization]: Conjunction of SSA is unsat [2018-04-12 14:40:20,990 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-12 14:40:20,991 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-04-12 14:40:20,992 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-12 14:40:20,994 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 14:40:20,994 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2018-04-12 14:40:21,026 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 14:40:21,027 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 14:40:21,027 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 [2018-04-12 14:40:21,027 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-12 14:40:21,032 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 14:40:21,032 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:20, output treesize:14 [2018-04-12 14:40:21,065 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 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 [2018-04-12 14:40:21,066 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 10 treesize of output 9 [2018-04-12 14:40:21,066 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 14:40:21,068 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 14:40:21,074 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-12 14:40:21,074 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:27, output treesize:20 [2018-04-12 14:40:21,089 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 36 treesize of output 30 [2018-04-12 14:40:21,090 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 [2018-04-12 14:40:21,090 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 14:40:21,093 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 14:40:21,096 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. [2018-04-12 14:40:21,097 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:39, output treesize:29 [2018-04-12 14:40:21,229 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 42 treesize of output 35 [2018-04-12 14:40:21,230 INFO L682 Elim1Store]: detected equality via solver [2018-04-12 14:40:21,231 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 21 treesize of output 15 [2018-04-12 14:40:21,231 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 14:40:21,235 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 [2018-04-12 14:40:21,236 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-04-12 14:40:21,238 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 14:40:21,240 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-12 14:40:21,240 INFO L202 ElimStorePlain]: Needed 4 recursive calls to eliminate 2 variables, input treesize:42, output treesize:10 [2018-04-12 14:40:21,270 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 14:40:21,271 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 [2018-04-12 14:40:21,271 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-12 14:40:21,275 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. [2018-04-12 14:40:21,275 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:16, output treesize:11 [2018-04-12 14:40:21,312 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 17 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 14:40:21,330 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-12 14:40:21,330 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 19] total 30 [2018-04-12 14:40:21,330 INFO L442 AbstractCegarLoop]: Interpolant automaton has 31 states [2018-04-12 14:40:21,330 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2018-04-12 14:40:21,331 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=101, Invalid=829, Unknown=0, NotChecked=0, Total=930 [2018-04-12 14:40:21,331 INFO L87 Difference]: Start difference. First operand 134 states and 145 transitions. Second operand 31 states. [2018-04-12 14:40:22,169 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 14:40:22,169 INFO L93 Difference]: Finished difference Result 177 states and 188 transitions. [2018-04-12 14:40:22,169 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2018-04-12 14:40:22,169 INFO L78 Accepts]: Start accepts. Automaton has 31 states. Word has length 53 [2018-04-12 14:40:22,169 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 14:40:22,170 INFO L225 Difference]: With dead ends: 177 [2018-04-12 14:40:22,170 INFO L226 Difference]: Without dead ends: 177 [2018-04-12 14:40:22,171 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 97 GetRequests, 36 SyntacticMatches, 7 SemanticMatches, 54 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 848 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=496, Invalid=2584, Unknown=0, NotChecked=0, Total=3080 [2018-04-12 14:40:22,171 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 177 states. [2018-04-12 14:40:22,172 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 177 to 146. [2018-04-12 14:40:22,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 146 states. [2018-04-12 14:40:22,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 146 states and 159 transitions. [2018-04-12 14:40:22,172 INFO L78 Accepts]: Start accepts. Automaton has 146 states and 159 transitions. Word has length 53 [2018-04-12 14:40:22,173 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 14:40:22,173 INFO L459 AbstractCegarLoop]: Abstraction has 146 states and 159 transitions. [2018-04-12 14:40:22,173 INFO L460 AbstractCegarLoop]: Interpolant automaton has 31 states. [2018-04-12 14:40:22,173 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 159 transitions. [2018-04-12 14:40:22,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-04-12 14:40:22,173 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 14:40:22,173 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] [2018-04-12 14:40:22,173 INFO L408 AbstractCegarLoop]: === Iteration 19 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr0RequiresViolation, mainErr18EnsuresViolationMEMORY_LEAK, mainErr17AssertViolationMEMORY_FREE, mainErr3RequiresViolation, mainErr7RequiresViolation, mainErr11RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr15RequiresViolation, mainErr2RequiresViolation, mainErr4RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr16AssertViolationMEMORY_FREE, mainErr14RequiresViolation]=== [2018-04-12 14:40:22,173 INFO L82 PathProgramCache]: Analyzing trace with hash 1726364728, now seen corresponding path program 1 times [2018-04-12 14:40:22,173 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-12 14:40:22,174 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-12 14:40:22,174 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 14:40:22,174 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-04-12 14:40:22,174 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 14:40:22,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 14:40:22,184 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 14:40:22,401 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-04-12 14:40:22,401 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-04-12 14:40:22,401 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 [2018-04-12 14:40:22,407 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-12 14:40:22,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 14:40:22,430 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-12 14:40:22,533 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 25 [2018-04-12 14:40:22,538 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 25 treesize of output 26 [2018-04-12 14:40:22,539 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-04-12 14:40:22,544 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-04-12 14:40:22,554 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 42 treesize of output 36 [2018-04-12 14:40:22,556 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 14:40:22,557 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 28 treesize of output 21 [2018-04-12 14:40:22,557 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-12 14:40:22,560 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 14:40:22,561 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 28 [2018-04-12 14:40:22,565 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 28 treesize of output 25 [2018-04-12 14:40:22,566 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 2 xjuncts. [2018-04-12 14:40:22,571 INFO L267 ElimStorePlain]: Start of recursive call 6: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-12 14:40:22,583 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. [2018-04-12 14:40:22,583 INFO L202 ElimStorePlain]: Needed 7 recursive calls to eliminate 4 variables, input treesize:55, output treesize:44 [2018-04-12 14:40:22,681 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-04-12 14:40:22,707 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-12 14:40:22,707 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 13] total 28 [2018-04-12 14:40:22,708 INFO L442 AbstractCegarLoop]: Interpolant automaton has 29 states [2018-04-12 14:40:22,708 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2018-04-12 14:40:22,708 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=111, Invalid=701, Unknown=0, NotChecked=0, Total=812 [2018-04-12 14:40:22,709 INFO L87 Difference]: Start difference. First operand 146 states and 159 transitions. Second operand 29 states. [2018-04-12 14:40:24,117 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 14:40:24,117 INFO L93 Difference]: Finished difference Result 194 states and 204 transitions. [2018-04-12 14:40:24,123 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2018-04-12 14:40:24,123 INFO L78 Accepts]: Start accepts. Automaton has 29 states. Word has length 53 [2018-04-12 14:40:24,123 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 14:40:24,123 INFO L225 Difference]: With dead ends: 194 [2018-04-12 14:40:24,124 INFO L226 Difference]: Without dead ends: 194 [2018-04-12 14:40:24,124 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 109 GetRequests, 43 SyntacticMatches, 1 SemanticMatches, 65 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1035 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=859, Invalid=3563, Unknown=0, NotChecked=0, Total=4422 [2018-04-12 14:40:24,124 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 194 states. [2018-04-12 14:40:24,126 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 194 to 154. [2018-04-12 14:40:24,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 154 states. [2018-04-12 14:40:24,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 154 states and 168 transitions. [2018-04-12 14:40:24,126 INFO L78 Accepts]: Start accepts. Automaton has 154 states and 168 transitions. Word has length 53 [2018-04-12 14:40:24,126 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 14:40:24,126 INFO L459 AbstractCegarLoop]: Abstraction has 154 states and 168 transitions. [2018-04-12 14:40:24,126 INFO L460 AbstractCegarLoop]: Interpolant automaton has 29 states. [2018-04-12 14:40:24,126 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 168 transitions. [2018-04-12 14:40:24,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2018-04-12 14:40:24,127 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 14:40:24,127 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] [2018-04-12 14:40:24,127 INFO L408 AbstractCegarLoop]: === Iteration 20 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr0RequiresViolation, mainErr18EnsuresViolationMEMORY_LEAK, mainErr17AssertViolationMEMORY_FREE, mainErr3RequiresViolation, mainErr7RequiresViolation, mainErr11RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr15RequiresViolation, mainErr2RequiresViolation, mainErr4RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr16AssertViolationMEMORY_FREE, mainErr14RequiresViolation]=== [2018-04-12 14:40:24,127 INFO L82 PathProgramCache]: Analyzing trace with hash 1977697551, now seen corresponding path program 1 times [2018-04-12 14:40:24,127 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-12 14:40:24,127 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-12 14:40:24,128 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 14:40:24,128 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-12 14:40:24,128 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 14:40:24,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 14:40:24,134 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 14:40:24,257 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-04-12 14:40:24,257 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-04-12 14:40:24,258 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 [2018-04-12 14:40:24,262 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-12 14:40:24,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 14:40:24,277 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-12 14:40:24,383 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 35 treesize of output 31 [2018-04-12 14:40:24,388 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 16 treesize of output 17 [2018-04-12 14:40:24,388 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 2 xjuncts. [2018-04-12 14:40:24,394 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-12 14:40:24,409 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 18 [2018-04-12 14:40:24,410 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 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 [2018-04-12 14:40:24,410 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-12 14:40:24,413 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 14:40:24,414 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 22 [2018-04-12 14:40:24,415 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 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 [2018-04-12 14:40:24,415 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-04-12 14:40:24,417 INFO L267 ElimStorePlain]: Start of recursive call 6: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 14:40:24,429 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 35 treesize of output 31 [2018-04-12 14:40:24,433 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 16 treesize of output 17 [2018-04-12 14:40:24,434 INFO L267 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 2 xjuncts. [2018-04-12 14:40:24,438 INFO L267 ElimStorePlain]: Start of recursive call 8: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-12 14:40:24,453 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 18 [2018-04-12 14:40:24,454 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 [2018-04-12 14:40:24,455 INFO L267 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2018-04-12 14:40:24,457 INFO L267 ElimStorePlain]: Start of recursive call 10: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 14:40:24,458 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 22 [2018-04-12 14:40:24,459 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 [2018-04-12 14:40:24,459 INFO L267 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2018-04-12 14:40:24,462 INFO L267 ElimStorePlain]: Start of recursive call 12: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 14:40:24,475 INFO L267 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 4 dim-2 vars, End of recursive call: and 4 xjuncts. [2018-04-12 14:40:24,475 INFO L202 ElimStorePlain]: Needed 13 recursive calls to eliminate 8 variables, input treesize:71, output treesize:17 [2018-04-12 14:40:24,527 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-04-12 14:40:24,546 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-12 14:40:24,546 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 14] total 29 [2018-04-12 14:40:24,547 INFO L442 AbstractCegarLoop]: Interpolant automaton has 29 states [2018-04-12 14:40:24,547 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2018-04-12 14:40:24,547 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=111, Invalid=701, Unknown=0, NotChecked=0, Total=812 [2018-04-12 14:40:24,547 INFO L87 Difference]: Start difference. First operand 154 states and 168 transitions. Second operand 29 states. [2018-04-12 14:40:25,787 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 14:40:25,787 INFO L93 Difference]: Finished difference Result 185 states and 195 transitions. [2018-04-12 14:40:25,787 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2018-04-12 14:40:25,788 INFO L78 Accepts]: Start accepts. Automaton has 29 states. Word has length 54 [2018-04-12 14:40:25,788 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 14:40:25,788 INFO L225 Difference]: With dead ends: 185 [2018-04-12 14:40:25,788 INFO L226 Difference]: Without dead ends: 185 [2018-04-12 14:40:25,789 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 114 GetRequests, 44 SyntacticMatches, 1 SemanticMatches, 69 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1235 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=977, Invalid=3993, Unknown=0, NotChecked=0, Total=4970 [2018-04-12 14:40:25,789 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 185 states. [2018-04-12 14:40:25,790 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 185 to 154. [2018-04-12 14:40:25,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 154 states. [2018-04-12 14:40:25,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 154 states and 166 transitions. [2018-04-12 14:40:25,791 INFO L78 Accepts]: Start accepts. Automaton has 154 states and 166 transitions. Word has length 54 [2018-04-12 14:40:25,791 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 14:40:25,791 INFO L459 AbstractCegarLoop]: Abstraction has 154 states and 166 transitions. [2018-04-12 14:40:25,791 INFO L460 AbstractCegarLoop]: Interpolant automaton has 29 states. [2018-04-12 14:40:25,791 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 166 transitions. [2018-04-12 14:40:25,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-04-12 14:40:25,792 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 14:40:25,792 INFO L355 BasicCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 14:40:25,792 INFO L408 AbstractCegarLoop]: === Iteration 21 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr0RequiresViolation, mainErr18EnsuresViolationMEMORY_LEAK, mainErr17AssertViolationMEMORY_FREE, mainErr3RequiresViolation, mainErr7RequiresViolation, mainErr11RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr15RequiresViolation, mainErr2RequiresViolation, mainErr4RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr16AssertViolationMEMORY_FREE, mainErr14RequiresViolation]=== [2018-04-12 14:40:25,792 INFO L82 PathProgramCache]: Analyzing trace with hash 1528970076, now seen corresponding path program 5 times [2018-04-12 14:40:25,792 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-12 14:40:25,792 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-12 14:40:25,792 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 14:40:25,792 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-12 14:40:25,793 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 14:40:25,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 14:40:25,806 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 14:40:26,239 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 48 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 14:40:26,240 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-04-12 14:40:26,240 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 [2018-04-12 14:40:26,245 INFO L103 rtionOrderModulation]: Keeping assertion order INSIDE_LOOP_FIRST1 [2018-04-12 14:40:26,274 INFO L242 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 4 check-sat command(s) [2018-04-12 14:40:26,274 INFO L243 tOrderPrioritization]: Conjunction of SSA is unsat [2018-04-12 14:40:26,276 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-12 14:40:26,322 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 14:40:26,322 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 14:40:26,323 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 [2018-04-12 14:40:26,323 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-12 14:40:26,326 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 14:40:26,326 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:23, output treesize:17 [2018-04-12 14:40:26,365 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 13 treesize of output 10 [2018-04-12 14:40:26,366 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 10 treesize of output 9 [2018-04-12 14:40:26,366 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 14:40:26,368 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 14:40:26,373 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-12 14:40:26,374 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:35, output treesize:28 [2018-04-12 14:40:26,451 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 14:40:26,452 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 14:40:26,452 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 [2018-04-12 14:40:26,453 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-12 14:40:26,461 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. [2018-04-12 14:40:26,461 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:45, output treesize:43 [2018-04-12 14:40:26,519 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 14:40:26,521 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 33 treesize of output 34 [2018-04-12 14:40:26,522 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 10 treesize of output 9 [2018-04-12 14:40:26,523 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 14:40:26,526 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 14:40:26,535 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. [2018-04-12 14:40:26,535 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:61, output treesize:60 [2018-04-12 14:40:26,647 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 14:40:26,648 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 14:40:26,648 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 14:40:26,649 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 14:40:26,649 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 107 [2018-04-12 14:40:26,650 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-12 14:40:26,667 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. [2018-04-12 14:40:26,667 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:95, output treesize:119 [2018-04-12 14:40:26,751 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 14:40:26,763 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 3 case distinctions, treesize of input 109 treesize of output 104 [2018-04-12 14:40:26,765 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 120 treesize of output 119 [2018-04-12 14:40:26,766 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 14:40:26,804 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 14:40:26,809 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 2 case distinctions, treesize of input 56 treesize of output 65 [2018-04-12 14:40:26,809 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 2 xjuncts. [2018-04-12 14:40:26,837 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-12 14:40:26,862 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 2 xjuncts. [2018-04-12 14:40:26,862 INFO L202 ElimStorePlain]: Needed 4 recursive calls to eliminate 4 variables, input treesize:132, output treesize:220 [2018-04-12 14:40:27,104 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 128 treesize of output 101 [2018-04-12 14:40:27,105 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 [2018-04-12 14:40:27,105 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 14:40:27,116 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 14:40:27,155 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 1 case distinctions, treesize of input 225 treesize of output 147 [2018-04-12 14:40:27,157 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 28 treesize of output 27 [2018-04-12 14:40:27,157 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-12 14:40:27,170 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 14:40:27,197 INFO L267 ElimStorePlain]: Start of recursive call 1: 7 dim-0 vars, 2 dim-2 vars, End of recursive call: 7 dim-0 vars, and 2 xjuncts. [2018-04-12 14:40:27,197 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 9 variables, input treesize:354, output treesize:316 [2018-04-12 14:40:27,365 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 7 new quantified variables, introduced 1 case distinctions, treesize of input 212 treesize of output 133 [2018-04-12 14:40:27,368 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 116 treesize of output 109 [2018-04-12 14:40:27,368 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 14:40:27,412 INFO L682 Elim1Store]: detected equality via solver [2018-04-12 14:40:27,412 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 109 treesize of output 93 [2018-04-12 14:40:27,413 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-04-12 14:40:27,452 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 90 treesize of output 74 [2018-04-12 14:40:27,452 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-12 14:40:27,491 INFO L682 Elim1Store]: detected equality via solver [2018-04-12 14:40:27,491 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 104 treesize of output 92 [2018-04-12 14:40:27,492 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-04-12 14:40:27,521 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 74 treesize of output 58 [2018-04-12 14:40:27,521 INFO L267 ElimStorePlain]: Start of recursive call 7: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-12 14:40:27,563 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 89 treesize of output 69 [2018-04-12 14:40:27,564 INFO L267 ElimStorePlain]: Start of recursive call 8: 2 dim-0 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-04-12 14:40:27,601 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 69 treesize of output 62 [2018-04-12 14:40:27,601 INFO L267 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2018-04-12 14:40:27,629 INFO L267 ElimStorePlain]: Start of recursive call 2: 7 dim-1 vars, End of recursive call: 4 dim-0 vars, and 2 xjuncts. [2018-04-12 14:40:27,680 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 121 treesize of output 89 [2018-04-12 14:40:27,682 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 18 [2018-04-12 14:40:27,682 INFO L267 ElimStorePlain]: Start of recursive call 11: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-12 14:40:27,693 INFO L682 Elim1Store]: detected equality via solver [2018-04-12 14:40:27,694 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 33 treesize of output 21 [2018-04-12 14:40:27,694 INFO L267 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2018-04-12 14:40:27,712 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 [2018-04-12 14:40:27,713 INFO L267 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2018-04-12 14:40:27,720 INFO L267 ElimStorePlain]: Start of recursive call 10: 3 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-12 14:40:27,757 INFO L267 ElimStorePlain]: Start of recursive call 1: 11 dim-0 vars, 2 dim-2 vars, End of recursive call: 8 dim-0 vars, and 3 xjuncts. [2018-04-12 14:40:27,757 INFO L202 ElimStorePlain]: Needed 13 recursive calls to eliminate 13 variables, input treesize:334, output treesize:115 [2018-04-12 14:40:27,854 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 48 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 14:40:27,871 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-12 14:40:27,871 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [27, 24] total 50 [2018-04-12 14:40:27,872 INFO L442 AbstractCegarLoop]: Interpolant automaton has 51 states [2018-04-12 14:40:27,872 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 51 interpolants. [2018-04-12 14:40:27,872 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=262, Invalid=2288, Unknown=0, NotChecked=0, Total=2550 [2018-04-12 14:40:27,872 INFO L87 Difference]: Start difference. First operand 154 states and 166 transitions. Second operand 51 states. [2018-04-12 14:40:29,936 WARN L151 SmtUtils]: Spent 125ms on a formula simplification. DAG size of input: 121 DAG size of output 107 [2018-04-12 14:40:32,258 WARN L151 SmtUtils]: Spent 502ms on a formula simplification. DAG size of input: 141 DAG size of output 81 [2018-04-12 14:40:32,827 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 14:40:32,827 INFO L93 Difference]: Finished difference Result 281 states and 302 transitions. [2018-04-12 14:40:32,827 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2018-04-12 14:40:32,828 INFO L78 Accepts]: Start accepts. Automaton has 51 states. Word has length 58 [2018-04-12 14:40:32,828 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 14:40:32,828 INFO L225 Difference]: With dead ends: 281 [2018-04-12 14:40:32,828 INFO L226 Difference]: Without dead ends: 281 [2018-04-12 14:40:32,830 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 133 GetRequests, 35 SyntacticMatches, 1 SemanticMatches, 97 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2785 ImplicationChecksByTransitivity, 3.8s TimeCoverageRelationStatistics Valid=1279, Invalid=8423, Unknown=0, NotChecked=0, Total=9702 [2018-04-12 14:40:32,830 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 281 states. [2018-04-12 14:40:32,832 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 281 to 188. [2018-04-12 14:40:32,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 188 states. [2018-04-12 14:40:32,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 188 states and 206 transitions. [2018-04-12 14:40:32,833 INFO L78 Accepts]: Start accepts. Automaton has 188 states and 206 transitions. Word has length 58 [2018-04-12 14:40:32,833 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 14:40:32,833 INFO L459 AbstractCegarLoop]: Abstraction has 188 states and 206 transitions. [2018-04-12 14:40:32,833 INFO L460 AbstractCegarLoop]: Interpolant automaton has 51 states. [2018-04-12 14:40:32,833 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 206 transitions. [2018-04-12 14:40:32,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-04-12 14:40:32,833 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 14:40:32,833 INFO L355 BasicCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 14:40:32,833 INFO L408 AbstractCegarLoop]: === Iteration 22 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr0RequiresViolation, mainErr18EnsuresViolationMEMORY_LEAK, mainErr17AssertViolationMEMORY_FREE, mainErr3RequiresViolation, mainErr7RequiresViolation, mainErr11RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr15RequiresViolation, mainErr2RequiresViolation, mainErr4RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr16AssertViolationMEMORY_FREE, mainErr14RequiresViolation]=== [2018-04-12 14:40:32,833 INFO L82 PathProgramCache]: Analyzing trace with hash 1528970077, now seen corresponding path program 4 times [2018-04-12 14:40:32,834 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-12 14:40:32,834 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-12 14:40:32,834 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 14:40:32,834 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-04-12 14:40:32,834 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 14:40:32,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 14:40:32,847 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 14:40:33,401 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 48 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 14:40:33,401 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-04-12 14:40:33,401 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 [2018-04-12 14:40:33,408 INFO L103 rtionOrderModulation]: Keeping assertion order TERMS_WITH_SMALL_CONSTANTS_FIRST [2018-04-12 14:40:33,426 INFO L242 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2018-04-12 14:40:33,426 INFO L243 tOrderPrioritization]: Conjunction of SSA is unsat [2018-04-12 14:40:33,428 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-12 14:40:33,430 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 [2018-04-12 14:40:33,430 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-12 14:40:33,432 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 14:40:33,432 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2018-04-12 14:40:33,504 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 14:40:33,505 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 14:40:33,505 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 [2018-04-12 14:40:33,505 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-12 14:40:33,509 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 14:40:33,509 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:26, output treesize:20 [2018-04-12 14:40:33,562 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 [2018-04-12 14:40:33,564 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 10 treesize of output 9 [2018-04-12 14:40:33,564 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 14:40:33,565 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 14:40:33,575 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 [2018-04-12 14:40:33,576 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 [2018-04-12 14:40:33,576 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-12 14:40:33,577 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 14:40:33,584 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-12 14:40:33,584 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:48, output treesize:37 [2018-04-12 14:40:33,696 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 14:40:33,697 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 14:40:33,698 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 [2018-04-12 14:40:33,698 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-12 14:40:33,709 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. [2018-04-12 14:40:33,710 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:54, output treesize:52 [2018-04-12 14:40:33,800 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 14:40:33,803 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 33 treesize of output 34 [2018-04-12 14:40:33,805 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 10 treesize of output 9 [2018-04-12 14:40:33,805 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 14:40:33,810 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 14:40:33,833 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 23 treesize of output 30 [2018-04-12 14:40:33,834 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 [2018-04-12 14:40:33,834 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-12 14:40:33,838 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 14:40:33,856 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. [2018-04-12 14:40:33,856 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 5 variables, input treesize:95, output treesize:75 [2018-04-12 14:40:34,004 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 14:40:34,005 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 20 treesize of output 29 [2018-04-12 14:40:34,005 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-12 14:40:34,022 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 14:40:34,027 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 14:40:34,027 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 14:40:34,028 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 14:40:34,029 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 57 [2018-04-12 14:40:34,029 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 14:40:34,043 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. [2018-04-12 14:40:34,043 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:122, output treesize:113 [2018-04-12 14:40:34,140 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 14:40:34,142 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 23 treesize of output 36 [2018-04-12 14:40:34,144 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 [2018-04-12 14:40:34,144 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 14:40:34,147 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 14:40:34,166 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 14:40:34,177 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 3 case distinctions, treesize of input 115 treesize of output 110 [2018-04-12 14:40:34,179 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 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 126 treesize of output 125 [2018-04-12 14:40:34,180 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-12 14:40:34,222 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 14:40:34,227 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 71 treesize of output 76 [2018-04-12 14:40:34,227 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 2 xjuncts. [2018-04-12 14:40:34,252 INFO L267 ElimStorePlain]: Start of recursive call 4: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-12 14:40:34,279 INFO L267 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 2 dim-2 vars, End of recursive call: 3 dim-0 vars, and 2 xjuncts. [2018-04-12 14:40:34,279 INFO L202 ElimStorePlain]: Needed 6 recursive calls to eliminate 6 variables, input treesize:139, output treesize:219 [2018-04-12 14:40:34,528 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 268 treesize of output 247 [2018-04-12 14:40:34,530 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 28 treesize of output 27 [2018-04-12 14:40:34,531 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 14:40:34,551 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 14:40:34,613 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 1 case distinctions, treesize of input 246 treesize of output 162 [2018-04-12 14:40:34,615 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 28 treesize of output 27 [2018-04-12 14:40:34,615 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-12 14:40:34,632 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 14:40:34,682 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 176 treesize of output 137 [2018-04-12 14:40:34,683 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 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 [2018-04-12 14:40:34,684 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-04-12 14:40:34,699 INFO L267 ElimStorePlain]: Start of recursive call 6: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 14:40:34,741 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 160 treesize of output 145 [2018-04-12 14:40:34,742 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 [2018-04-12 14:40:34,742 INFO L267 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2018-04-12 14:40:34,755 INFO L267 ElimStorePlain]: Start of recursive call 8: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 14:40:34,790 INFO L267 ElimStorePlain]: Start of recursive call 1: 7 dim-0 vars, 4 dim-2 vars, End of recursive call: 7 dim-0 vars, and 2 xjuncts. [2018-04-12 14:40:34,790 INFO L202 ElimStorePlain]: Needed 9 recursive calls to eliminate 11 variables, input treesize:445, output treesize:369 [2018-04-12 14:40:35,675 WARN L148 SmtUtils]: Spent 802ms on a formula simplification that was a NOOP. DAG size: 88 [2018-04-12 14:40:35,843 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 7 new quantified variables, introduced 1 case distinctions, treesize of input 245 treesize of output 160 [2018-04-12 14:40:35,849 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 143 treesize of output 123 [2018-04-12 14:40:35,850 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-12 14:40:35,896 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 131 treesize of output 124 [2018-04-12 14:40:35,897 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-04-12 14:40:35,939 INFO L682 Elim1Store]: detected equality via solver [2018-04-12 14:40:35,940 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 123 treesize of output 107 [2018-04-12 14:40:35,940 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-12 14:40:35,986 INFO L682 Elim1Store]: detected equality via solver [2018-04-12 14:40:35,987 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 124 treesize of output 112 [2018-04-12 14:40:35,987 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-04-12 14:40:36,027 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 106 treesize of output 86 [2018-04-12 14:40:36,027 INFO L267 ElimStorePlain]: Start of recursive call 7: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-12 14:40:36,065 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 101 treesize of output 89 [2018-04-12 14:40:36,065 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2018-04-12 14:40:36,107 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 70 [2018-04-12 14:40:36,107 INFO L267 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2018-04-12 14:40:36,139 INFO L267 ElimStorePlain]: Start of recursive call 2: 7 dim-1 vars, End of recursive call: 2 dim-0 vars, and 2 xjuncts. [2018-04-12 14:40:36,203 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 70 treesize of output 64 [2018-04-12 14:40:36,204 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 [2018-04-12 14:40:36,205 INFO L267 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2018-04-12 14:40:36,217 INFO L682 Elim1Store]: detected equality via solver [2018-04-12 14:40:36,217 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 [2018-04-12 14:40:36,217 INFO L267 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2018-04-12 14:40:36,226 INFO L267 ElimStorePlain]: Start of recursive call 10: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 14:40:36,228 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 78 treesize of output 72 [2018-04-12 14:40:36,229 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 [2018-04-12 14:40:36,230 INFO L267 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2018-04-12 14:40:36,244 INFO L682 Elim1Store]: detected equality via solver [2018-04-12 14:40:36,244 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 [2018-04-12 14:40:36,245 INFO L267 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2018-04-12 14:40:36,254 INFO L267 ElimStorePlain]: Start of recursive call 13: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 14:40:36,299 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 165 treesize of output 125 [2018-04-12 14:40:36,301 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 27 [2018-04-12 14:40:36,302 INFO L267 ElimStorePlain]: Start of recursive call 17: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-12 14:40:36,319 INFO L682 Elim1Store]: detected equality via solver [2018-04-12 14:40:36,319 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 23 [2018-04-12 14:40:36,320 INFO L267 ElimStorePlain]: Start of recursive call 18: End of recursive call: and 1 xjuncts. [2018-04-12 14:40:36,336 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 [2018-04-12 14:40:36,337 INFO L267 ElimStorePlain]: Start of recursive call 19: End of recursive call: and 1 xjuncts. [2018-04-12 14:40:36,350 INFO L267 ElimStorePlain]: Start of recursive call 16: 3 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-12 14:40:36,397 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 70 treesize of output 64 [2018-04-12 14:40:36,398 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 [2018-04-12 14:40:36,399 INFO L267 ElimStorePlain]: Start of recursive call 21: End of recursive call: and 1 xjuncts. [2018-04-12 14:40:36,410 INFO L682 Elim1Store]: detected equality via solver [2018-04-12 14:40:36,411 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 [2018-04-12 14:40:36,411 INFO L267 ElimStorePlain]: Start of recursive call 22: End of recursive call: and 1 xjuncts. [2018-04-12 14:40:36,419 INFO L267 ElimStorePlain]: Start of recursive call 20: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 14:40:36,463 INFO L267 ElimStorePlain]: Start of recursive call 1: 11 dim-0 vars, 4 dim-2 vars, End of recursive call: 3 dim-0 vars, and 3 xjuncts. [2018-04-12 14:40:36,463 INFO L202 ElimStorePlain]: Needed 22 recursive calls to eliminate 15 variables, input treesize:411, output treesize:55 [2018-04-12 14:40:36,571 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 48 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 14:40:36,590 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-12 14:40:36,590 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [28, 25] total 52 [2018-04-12 14:40:36,590 INFO L442 AbstractCegarLoop]: Interpolant automaton has 53 states [2018-04-12 14:40:36,590 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 53 interpolants. [2018-04-12 14:40:36,591 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=194, Invalid=2562, Unknown=0, NotChecked=0, Total=2756 [2018-04-12 14:40:36,591 INFO L87 Difference]: Start difference. First operand 188 states and 206 transitions. Second operand 53 states. [2018-04-12 14:40:38,934 WARN L151 SmtUtils]: Spent 117ms on a formula simplification. DAG size of input: 140 DAG size of output 126 [2018-04-12 14:40:39,594 WARN L151 SmtUtils]: Spent 106ms on a formula simplification. DAG size of input: 146 DAG size of output 135 [2018-04-12 14:40:40,670 WARN L151 SmtUtils]: Spent 105ms on a formula simplification. DAG size of input: 210 DAG size of output 123 [2018-04-12 14:40:42,557 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 14:40:42,557 INFO L93 Difference]: Finished difference Result 311 states and 335 transitions. [2018-04-12 14:40:42,557 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2018-04-12 14:40:42,557 INFO L78 Accepts]: Start accepts. Automaton has 53 states. Word has length 58 [2018-04-12 14:40:42,558 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 14:40:42,558 INFO L225 Difference]: With dead ends: 311 [2018-04-12 14:40:42,559 INFO L226 Difference]: Without dead ends: 311 [2018-04-12 14:40:42,559 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 141 GetRequests, 35 SyntacticMatches, 1 SemanticMatches, 105 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2800 ImplicationChecksByTransitivity, 6.4s TimeCoverageRelationStatistics Valid=1292, Invalid=10050, Unknown=0, NotChecked=0, Total=11342 [2018-04-12 14:40:42,559 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 311 states. [2018-04-12 14:40:42,561 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 311 to 187. [2018-04-12 14:40:42,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 187 states. [2018-04-12 14:40:42,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 187 states and 204 transitions. [2018-04-12 14:40:42,561 INFO L78 Accepts]: Start accepts. Automaton has 187 states and 204 transitions. Word has length 58 [2018-04-12 14:40:42,561 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 14:40:42,562 INFO L459 AbstractCegarLoop]: Abstraction has 187 states and 204 transitions. [2018-04-12 14:40:42,562 INFO L460 AbstractCegarLoop]: Interpolant automaton has 53 states. [2018-04-12 14:40:42,562 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 204 transitions. [2018-04-12 14:40:42,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2018-04-12 14:40:42,562 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 14:40:42,562 INFO L355 BasicCegarLoop]: trace histogram [3, 3, 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] [2018-04-12 14:40:42,562 INFO L408 AbstractCegarLoop]: === Iteration 23 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr0RequiresViolation, mainErr18EnsuresViolationMEMORY_LEAK, mainErr17AssertViolationMEMORY_FREE, mainErr3RequiresViolation, mainErr7RequiresViolation, mainErr11RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr15RequiresViolation, mainErr2RequiresViolation, mainErr4RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr16AssertViolationMEMORY_FREE, mainErr14RequiresViolation]=== [2018-04-12 14:40:42,562 INFO L82 PathProgramCache]: Analyzing trace with hash 882457828, now seen corresponding path program 2 times [2018-04-12 14:40:42,562 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-12 14:40:42,562 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-12 14:40:42,563 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 14:40:42,563 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-04-12 14:40:42,563 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 14:40:42,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 14:40:42,569 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 14:40:42,813 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-04-12 14:40:42,813 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-04-12 14:40:42,813 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 [2018-04-12 14:40:42,820 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST1 [2018-04-12 14:40:42,840 INFO L242 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2018-04-12 14:40:42,841 INFO L243 tOrderPrioritization]: Conjunction of SSA is unsat [2018-04-12 14:40:42,843 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-12 14:40:42,846 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 [2018-04-12 14:40:42,846 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-12 14:40:42,848 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 14:40:42,848 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2018-04-12 14:40:42,873 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 14:40:42,873 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 14:40:42,874 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 [2018-04-12 14:40:42,874 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-12 14:40:42,878 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 14:40:42,878 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:23, output treesize:17 [2018-04-12 14:40:42,925 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 13 treesize of output 10 [2018-04-12 14:40:42,926 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 10 treesize of output 9 [2018-04-12 14:40:42,927 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 14:40:42,928 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 14:40:42,934 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-12 14:40:42,934 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:36, output treesize:35 [2018-04-12 14:40:42,978 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 14:40:42,978 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 14:40:42,979 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 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 [2018-04-12 14:40:42,979 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-12 14:40:42,983 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 14:40:42,983 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:37, output treesize:31 [2018-04-12 14:40:43,035 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 14:40:43,037 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 38 [2018-04-12 14:40:43,039 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 10 treesize of output 9 [2018-04-12 14:40:43,039 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 14:40:43,044 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 14:40:43,049 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-12 14:40:43,049 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:44, output treesize:37 [2018-04-12 14:40:43,131 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 4 new quantified variables, introduced 3 case distinctions, treesize of input 64 treesize of output 66 [2018-04-12 14:40:43,133 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 69 treesize of output 68 [2018-04-12 14:40:43,133 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 14:40:43,154 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 14:40:43,158 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 42 treesize of output 55 [2018-04-12 14:40:43,159 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 2 xjuncts. [2018-04-12 14:40:43,174 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-12 14:40:43,196 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. [2018-04-12 14:40:43,196 INFO L202 ElimStorePlain]: Needed 4 recursive calls to eliminate 3 variables, input treesize:67, output treesize:87 [2018-04-12 14:40:43,377 WARN L148 SmtUtils]: Spent 114ms on a formula simplification that was a NOOP. DAG size: 33 [2018-04-12 14:40:43,388 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 57 treesize of output 48 [2018-04-12 14:40:43,391 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 33 treesize of output 34 [2018-04-12 14:40:43,392 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 2 xjuncts. [2018-04-12 14:40:43,405 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 26 treesize of output 17 [2018-04-12 14:40:43,406 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-04-12 14:40:43,406 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 22 treesize of output 13 [2018-04-12 14:40:43,406 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-12 14:40:43,418 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 41 treesize of output 34 [2018-04-12 14:40:43,418 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-04-12 14:40:43,437 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 34 treesize of output 26 [2018-04-12 14:40:43,438 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-04-12 14:40:43,450 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 [2018-04-12 14:40:43,450 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2018-04-12 14:40:43,454 INFO L267 ElimStorePlain]: Start of recursive call 2: 5 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 14:40:43,461 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 37 treesize of output 25 [2018-04-12 14:40:43,462 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 [2018-04-12 14:40:43,462 INFO L267 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2018-04-12 14:40:43,465 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 [2018-04-12 14:40:43,465 INFO L267 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2018-04-12 14:40:43,467 INFO L267 ElimStorePlain]: Start of recursive call 9: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 14:40:43,471 INFO L267 ElimStorePlain]: Start of recursive call 1: 5 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-12 14:40:43,471 INFO L202 ElimStorePlain]: Needed 11 recursive calls to eliminate 7 variables, input treesize:95, output treesize:4 [2018-04-12 14:40:43,478 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-04-12 14:40:43,496 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-12 14:40:43,496 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 20] total 33 [2018-04-12 14:40:43,496 INFO L442 AbstractCegarLoop]: Interpolant automaton has 33 states [2018-04-12 14:40:43,496 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2018-04-12 14:40:43,496 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=140, Invalid=916, Unknown=0, NotChecked=0, Total=1056 [2018-04-12 14:40:43,496 INFO L87 Difference]: Start difference. First operand 187 states and 204 transitions. Second operand 33 states. [2018-04-12 14:40:44,797 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 14:40:44,797 INFO L93 Difference]: Finished difference Result 221 states and 237 transitions. [2018-04-12 14:40:44,797 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2018-04-12 14:40:44,797 INFO L78 Accepts]: Start accepts. Automaton has 33 states. Word has length 59 [2018-04-12 14:40:44,798 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 14:40:44,798 INFO L225 Difference]: With dead ends: 221 [2018-04-12 14:40:44,798 INFO L226 Difference]: Without dead ends: 221 [2018-04-12 14:40:44,798 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 111 GetRequests, 45 SyntacticMatches, 3 SemanticMatches, 63 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1148 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=686, Invalid=3474, Unknown=0, NotChecked=0, Total=4160 [2018-04-12 14:40:44,799 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 221 states. [2018-04-12 14:40:44,800 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 221 to 176. [2018-04-12 14:40:44,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 176 states. [2018-04-12 14:40:44,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 176 states and 190 transitions. [2018-04-12 14:40:44,801 INFO L78 Accepts]: Start accepts. Automaton has 176 states and 190 transitions. Word has length 59 [2018-04-12 14:40:44,801 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 14:40:44,801 INFO L459 AbstractCegarLoop]: Abstraction has 176 states and 190 transitions. [2018-04-12 14:40:44,801 INFO L460 AbstractCegarLoop]: Interpolant automaton has 33 states. [2018-04-12 14:40:44,802 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 190 transitions. [2018-04-12 14:40:44,802 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2018-04-12 14:40:44,802 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 14:40:44,802 INFO L355 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 14:40:44,802 INFO L408 AbstractCegarLoop]: === Iteration 24 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr0RequiresViolation, mainErr18EnsuresViolationMEMORY_LEAK, mainErr17AssertViolationMEMORY_FREE, mainErr3RequiresViolation, mainErr7RequiresViolation, mainErr11RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr15RequiresViolation, mainErr2RequiresViolation, mainErr4RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr16AssertViolationMEMORY_FREE, mainErr14RequiresViolation]=== [2018-04-12 14:40:44,802 INFO L82 PathProgramCache]: Analyzing trace with hash 800900251, now seen corresponding path program 6 times [2018-04-12 14:40:44,803 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-12 14:40:44,803 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-12 14:40:44,803 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 14:40:44,803 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-04-12 14:40:44,803 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 14:40:44,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 14:40:44,818 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 14:40:45,371 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 3 proven. 43 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 14:40:45,371 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-04-12 14:40:45,371 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 [2018-04-12 14:40:45,376 INFO L103 rtionOrderModulation]: Keeping assertion order MIX_INSIDE_OUTSIDE [2018-04-12 14:40:45,401 INFO L242 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 4 check-sat command(s) [2018-04-12 14:40:45,401 INFO L243 tOrderPrioritization]: Conjunction of SSA is unsat [2018-04-12 14:40:45,403 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-12 14:40:45,405 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 [2018-04-12 14:40:45,405 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-12 14:40:45,407 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 14:40:45,407 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2018-04-12 14:40:45,449 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 14:40:45,450 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 14:40:45,450 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 [2018-04-12 14:40:45,450 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-12 14:40:45,454 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 14:40:45,454 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:23, output treesize:17 [2018-04-12 14:40:45,506 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 13 treesize of output 10 [2018-04-12 14:40:45,507 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 10 treesize of output 9 [2018-04-12 14:40:45,507 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 14:40:45,508 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 14:40:45,525 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 13 treesize of output 10 [2018-04-12 14:40:45,527 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 [2018-04-12 14:40:45,527 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-12 14:40:45,529 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 14:40:45,536 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-12 14:40:45,536 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:45, output treesize:34 [2018-04-12 14:40:45,630 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 [2018-04-12 14:40:45,630 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-12 14:40:45,642 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 14:40:45,643 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 14:40:45,643 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 14:40:45,644 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 [2018-04-12 14:40:45,644 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 14:40:45,661 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 14:40:45,661 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:53, output treesize:45 [2018-04-12 14:40:45,737 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 14:40:45,738 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 23 treesize of output 35 [2018-04-12 14:40:45,739 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 22 treesize of output 18 [2018-04-12 14:40:45,740 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 14:40:45,744 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 14:40:45,758 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 14:40:45,761 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 23 treesize of output 30 [2018-04-12 14:40:45,762 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 16 treesize of output 15 [2018-04-12 14:40:45,762 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-12 14:40:45,766 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 14:40:45,776 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-12 14:40:45,776 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:71, output treesize:71 [2018-04-12 14:40:45,918 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 14:40:45,919 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 14:40:45,924 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 142 treesize of output 123 [2018-04-12 14:40:45,925 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 20 treesize of output 19 [2018-04-12 14:40:45,925 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 14:40:45,936 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 14:40:45,947 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 14:40:45,952 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 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 100 [2018-04-12 14:40:45,953 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 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 19 [2018-04-12 14:40:45,953 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-12 14:40:45,959 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 14:40:45,969 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. [2018-04-12 14:40:45,969 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:157, output treesize:129 [2018-04-12 14:40:46,309 INFO L682 Elim1Store]: detected equality via solver [2018-04-12 14:40:46,310 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 37 treesize of output 31 [2018-04-12 14:40:46,310 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-12 14:40:46,326 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 14:40:46,326 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 14:40:46,327 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 14:40:46,327 INFO L682 Elim1Store]: detected equality via solver [2018-04-12 14:40:46,328 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 14:40:46,328 INFO L682 Elim1Store]: detected equality via solver [2018-04-12 14:40:46,329 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 14:40:46,333 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 145 treesize of output 159 [2018-04-12 14:40:46,335 INFO L682 Elim1Store]: detected equality via solver [2018-04-12 14:40:46,340 INFO L477 Elim1Store]: Elim1 applied some 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 3 new quantified variables, introduced 2 case distinctions, treesize of input 88 treesize of output 66 [2018-04-12 14:40:46,340 INFO L267 ElimStorePlain]: Start of recursive call 4: 3 dim-0 vars, End of recursive call: 3 dim-0 vars, and 2 xjuncts. [2018-04-12 14:40:46,361 INFO L682 Elim1Store]: detected equality via solver [2018-04-12 14:40:46,362 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 [2018-04-12 14:40:46,362 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-12 14:40:46,381 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 1 case distinctions, treesize of input 67 treesize of output 59 [2018-04-12 14:40:46,382 INFO L267 ElimStorePlain]: Start of recursive call 6: 2 dim-0 vars, End of recursive call: 2 dim-0 vars, and 2 xjuncts. [2018-04-12 14:40:46,384 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 61 treesize of output 45 [2018-04-12 14:40:46,384 INFO L267 ElimStorePlain]: Start of recursive call 7: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-12 14:40:46,413 INFO L267 ElimStorePlain]: Start of recursive call 3: 3 dim-1 vars, End of recursive call: 6 dim-0 vars, and 3 xjuncts. [2018-04-12 14:40:46,447 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 57 treesize of output 47 [2018-04-12 14:40:46,449 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 11 treesize of output 7 [2018-04-12 14:40:46,449 INFO L267 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2018-04-12 14:40:46,455 INFO L682 Elim1Store]: detected equality via solver [2018-04-12 14:40:46,455 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 [2018-04-12 14:40:46,456 INFO L267 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2018-04-12 14:40:46,460 INFO L267 ElimStorePlain]: Start of recursive call 8: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 14:40:46,463 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 57 treesize of output 47 [2018-04-12 14:40:46,464 INFO L682 Elim1Store]: detected equality via solver [2018-04-12 14:40:46,464 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 [2018-04-12 14:40:46,464 INFO L267 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2018-04-12 14:40:46,471 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 11 treesize of output 7 [2018-04-12 14:40:46,471 INFO L267 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2018-04-12 14:40:46,475 INFO L267 ElimStorePlain]: Start of recursive call 11: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 14:40:46,478 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 57 treesize of output 47 [2018-04-12 14:40:46,479 INFO L682 Elim1Store]: detected equality via solver [2018-04-12 14:40:46,480 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 [2018-04-12 14:40:46,480 INFO L267 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2018-04-12 14:40:46,486 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 11 treesize of output 7 [2018-04-12 14:40:46,486 INFO L267 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2018-04-12 14:40:46,490 INFO L267 ElimStorePlain]: Start of recursive call 14: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 14:40:46,507 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-1 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-12 14:40:46,507 INFO L202 ElimStorePlain]: Needed 16 recursive calls to eliminate 6 variables, input treesize:196, output treesize:7 [2018-04-12 14:40:46,546 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 3 proven. 43 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 14:40:46,564 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-12 14:40:46,564 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [27, 26] total 47 [2018-04-12 14:40:46,564 INFO L442 AbstractCegarLoop]: Interpolant automaton has 47 states [2018-04-12 14:40:46,564 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 47 interpolants. [2018-04-12 14:40:46,565 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=160, Invalid=1999, Unknown=3, NotChecked=0, Total=2162 [2018-04-12 14:40:46,565 INFO L87 Difference]: Start difference. First operand 176 states and 190 transitions. Second operand 47 states. [2018-04-12 14:40:48,721 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 14:40:48,721 INFO L93 Difference]: Finished difference Result 209 states and 224 transitions. [2018-04-12 14:40:48,721 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2018-04-12 14:40:48,721 INFO L78 Accepts]: Start accepts. Automaton has 47 states. Word has length 59 [2018-04-12 14:40:48,721 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 14:40:48,722 INFO L225 Difference]: With dead ends: 209 [2018-04-12 14:40:48,722 INFO L226 Difference]: Without dead ends: 209 [2018-04-12 14:40:48,723 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 118 GetRequests, 35 SyntacticMatches, 8 SemanticMatches, 75 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1707 ImplicationChecksByTransitivity, 2.4s TimeCoverageRelationStatistics Valid=596, Invalid=5253, Unknown=3, NotChecked=0, Total=5852 [2018-04-12 14:40:48,723 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 209 states. [2018-04-12 14:40:48,725 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 209 to 182. [2018-04-12 14:40:48,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 182 states. [2018-04-12 14:40:48,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 182 states and 196 transitions. [2018-04-12 14:40:48,726 INFO L78 Accepts]: Start accepts. Automaton has 182 states and 196 transitions. Word has length 59 [2018-04-12 14:40:48,726 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 14:40:48,726 INFO L459 AbstractCegarLoop]: Abstraction has 182 states and 196 transitions. [2018-04-12 14:40:48,726 INFO L460 AbstractCegarLoop]: Interpolant automaton has 47 states. [2018-04-12 14:40:48,726 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 196 transitions. [2018-04-12 14:40:48,727 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2018-04-12 14:40:48,727 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 14:40:48,727 INFO L355 BasicCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 14:40:48,727 INFO L408 AbstractCegarLoop]: === Iteration 25 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr0RequiresViolation, mainErr18EnsuresViolationMEMORY_LEAK, mainErr17AssertViolationMEMORY_FREE, mainErr3RequiresViolation, mainErr7RequiresViolation, mainErr11RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr15RequiresViolation, mainErr2RequiresViolation, mainErr4RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr16AssertViolationMEMORY_FREE, mainErr14RequiresViolation]=== [2018-04-12 14:40:48,727 INFO L82 PathProgramCache]: Analyzing trace with hash 1252474091, now seen corresponding path program 3 times [2018-04-12 14:40:48,727 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-12 14:40:48,727 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-12 14:40:48,728 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 14:40:48,728 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-04-12 14:40:48,728 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 14:40:48,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 14:40:48,738 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 14:40:49,155 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 2 proven. 26 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 14:40:49,156 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-04-12 14:40:49,156 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 [2018-04-12 14:40:49,161 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST2 [2018-04-12 14:40:49,184 INFO L242 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2018-04-12 14:40:49,184 INFO L243 tOrderPrioritization]: Conjunction of SSA is unsat [2018-04-12 14:40:49,186 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-12 14:40:49,369 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 61 treesize of output 58 [2018-04-12 14:40:49,371 INFO L682 Elim1Store]: detected equality via solver [2018-04-12 14:40:49,371 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 47 [2018-04-12 14:40:49,371 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 14:40:49,380 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 [2018-04-12 14:40:49,380 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-12 14:40:49,389 INFO L682 Elim1Store]: detected equality via solver [2018-04-12 14:40:49,394 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 1 new quantified variables, introduced 2 case distinctions, treesize of input 45 treesize of output 51 [2018-04-12 14:40:49,394 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-04-12 14:40:49,407 INFO L267 ElimStorePlain]: Start of recursive call 2: 3 dim-1 vars, End of recursive call: 2 dim-0 vars, and 3 xjuncts. [2018-04-12 14:40:49,423 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 33 treesize of output 33 [2018-04-12 14:40:49,425 INFO L682 Elim1Store]: detected equality via solver [2018-04-12 14:40:49,425 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 29 treesize of output 25 [2018-04-12 14:40:49,425 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-04-12 14:40:49,441 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 [2018-04-12 14:40:49,441 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2018-04-12 14:40:49,448 INFO L682 Elim1Store]: detected equality via solver [2018-04-12 14:40:49,450 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 0 new quantified variables, introduced 2 case distinctions, treesize of input 25 treesize of output 7 [2018-04-12 14:40:49,450 INFO L267 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2018-04-12 14:40:49,453 INFO L267 ElimStorePlain]: Start of recursive call 6: 3 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 14:40:49,454 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 37 treesize of output 29 [2018-04-12 14:40:49,455 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 7 [2018-04-12 14:40:49,456 INFO L267 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2018-04-12 14:40:49,460 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 [2018-04-12 14:40:49,460 INFO L267 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2018-04-12 14:40:49,462 INFO L267 ElimStorePlain]: Start of recursive call 10: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 14:40:49,466 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 43 treesize of output 41 [2018-04-12 14:40:49,471 INFO L682 Elim1Store]: detected equality via solver [2018-04-12 14:40:49,471 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 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 [2018-04-12 14:40:49,471 INFO L267 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2018-04-12 14:40:49,490 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 [2018-04-12 14:40:49,490 INFO L267 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2018-04-12 14:40:49,500 INFO L682 Elim1Store]: detected equality via solver [2018-04-12 14:40:49,500 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 0 case distinctions, treesize of input 33 treesize of output 13 [2018-04-12 14:40:49,500 INFO L267 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2018-04-12 14:40:49,505 INFO L267 ElimStorePlain]: Start of recursive call 13: 3 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 14:40:49,508 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-12 14:40:49,509 INFO L202 ElimStorePlain]: Needed 16 recursive calls to eliminate 3 variables, input treesize:68, output treesize:7 [2018-04-12 14:40:49,551 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 2 proven. 22 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-04-12 14:40:49,569 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-12 14:40:49,569 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [24, 17] total 34 [2018-04-12 14:40:49,569 INFO L442 AbstractCegarLoop]: Interpolant automaton has 34 states [2018-04-12 14:40:49,569 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2018-04-12 14:40:49,569 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=100, Invalid=1021, Unknown=1, NotChecked=0, Total=1122 [2018-04-12 14:40:49,569 INFO L87 Difference]: Start difference. First operand 182 states and 196 transitions. Second operand 34 states. [2018-04-12 14:40:51,236 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 14:40:51,236 INFO L93 Difference]: Finished difference Result 230 states and 243 transitions. [2018-04-12 14:40:51,236 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2018-04-12 14:40:51,236 INFO L78 Accepts]: Start accepts. Automaton has 34 states. Word has length 61 [2018-04-12 14:40:51,237 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 14:40:51,237 INFO L225 Difference]: With dead ends: 230 [2018-04-12 14:40:51,237 INFO L226 Difference]: Without dead ends: 230 [2018-04-12 14:40:51,237 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 131 GetRequests, 49 SyntacticMatches, 10 SemanticMatches, 72 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1415 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=645, Invalid=4754, Unknown=3, NotChecked=0, Total=5402 [2018-04-12 14:40:51,238 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 230 states. [2018-04-12 14:40:51,240 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 230 to 207. [2018-04-12 14:40:51,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 207 states. [2018-04-12 14:40:51,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 207 states and 227 transitions. [2018-04-12 14:40:51,240 INFO L78 Accepts]: Start accepts. Automaton has 207 states and 227 transitions. Word has length 61 [2018-04-12 14:40:51,241 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 14:40:51,241 INFO L459 AbstractCegarLoop]: Abstraction has 207 states and 227 transitions. [2018-04-12 14:40:51,241 INFO L460 AbstractCegarLoop]: Interpolant automaton has 34 states. [2018-04-12 14:40:51,241 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 227 transitions. [2018-04-12 14:40:51,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2018-04-12 14:40:51,241 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 14:40:51,242 INFO L355 BasicCegarLoop]: trace histogram [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] [2018-04-12 14:40:51,242 INFO L408 AbstractCegarLoop]: === Iteration 26 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr0RequiresViolation, mainErr18EnsuresViolationMEMORY_LEAK, mainErr17AssertViolationMEMORY_FREE, mainErr3RequiresViolation, mainErr7RequiresViolation, mainErr11RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr15RequiresViolation, mainErr2RequiresViolation, mainErr4RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr16AssertViolationMEMORY_FREE, mainErr14RequiresViolation]=== [2018-04-12 14:40:51,242 INFO L82 PathProgramCache]: Analyzing trace with hash 171989723, now seen corresponding path program 3 times [2018-04-12 14:40:51,242 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-12 14:40:51,242 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-12 14:40:51,242 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 14:40:51,243 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-04-12 14:40:51,243 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 14:40:51,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 14:40:51,252 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 14:40:51,639 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 23 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-04-12 14:40:51,639 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-04-12 14:40:51,639 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 [2018-04-12 14:40:51,644 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST2 [2018-04-12 14:40:51,663 INFO L242 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2018-04-12 14:40:51,663 INFO L243 tOrderPrioritization]: Conjunction of SSA is unsat [2018-04-12 14:40:51,665 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-12 14:40:51,699 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 14:40:51,699 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 [2018-04-12 14:40:51,699 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-12 14:40:51,706 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 14:40:51,706 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:32, output treesize:34 [2018-04-12 14:40:51,746 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 13 treesize of output 10 [2018-04-12 14:40:51,747 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 10 treesize of output 9 [2018-04-12 14:40:51,747 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 14:40:51,748 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 14:40:51,756 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-12 14:40:51,756 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:47, output treesize:52 [2018-04-12 14:40:51,826 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 44 [2018-04-12 14:40:51,828 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 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 [2018-04-12 14:40:51,828 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 14:40:51,831 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 14:40:51,837 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. [2018-04-12 14:40:51,838 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:61, output treesize:53 [2018-04-12 14:40:51,906 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 [2018-04-12 14:40:51,907 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 [2018-04-12 14:40:51,907 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 14:40:51,911 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 15 [2018-04-12 14:40:51,912 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-04-12 14:40:51,914 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 14:40:51,918 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-12 14:40:51,919 INFO L202 ElimStorePlain]: Needed 4 recursive calls to eliminate 2 variables, input treesize:57, output treesize:25 [2018-04-12 14:40:51,966 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 14:40:51,966 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 [2018-04-12 14:40:51,966 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-12 14:40:51,971 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. [2018-04-12 14:40:51,971 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:31, output treesize:21 [2018-04-12 14:40:52,025 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 14:40:52,026 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 14:40:52,026 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 [2018-04-12 14:40:52,027 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-12 14:40:52,031 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. [2018-04-12 14:40:52,031 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:27, output treesize:25 [2018-04-12 14:40:52,113 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-04-12 14:40:52,130 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-12 14:40:52,130 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 17] total 32 [2018-04-12 14:40:52,130 INFO L442 AbstractCegarLoop]: Interpolant automaton has 33 states [2018-04-12 14:40:52,130 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2018-04-12 14:40:52,131 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=79, Invalid=969, Unknown=8, NotChecked=0, Total=1056 [2018-04-12 14:40:52,131 INFO L87 Difference]: Start difference. First operand 207 states and 227 transitions. Second operand 33 states. [2018-04-12 14:40:53,159 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 14:40:53,160 INFO L93 Difference]: Finished difference Result 214 states and 233 transitions. [2018-04-12 14:40:53,176 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2018-04-12 14:40:53,176 INFO L78 Accepts]: Start accepts. Automaton has 33 states. Word has length 62 [2018-04-12 14:40:53,176 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 14:40:53,177 INFO L225 Difference]: With dead ends: 214 [2018-04-12 14:40:53,177 INFO L226 Difference]: Without dead ends: 176 [2018-04-12 14:40:53,177 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 101 GetRequests, 50 SyntacticMatches, 3 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 396 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=236, Invalid=2206, Unknown=8, NotChecked=0, Total=2450 [2018-04-12 14:40:53,177 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 176 states. [2018-04-12 14:40:53,179 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 176 to 176. [2018-04-12 14:40:53,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 176 states. [2018-04-12 14:40:53,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 176 states and 195 transitions. [2018-04-12 14:40:53,179 INFO L78 Accepts]: Start accepts. Automaton has 176 states and 195 transitions. Word has length 62 [2018-04-12 14:40:53,180 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 14:40:53,180 INFO L459 AbstractCegarLoop]: Abstraction has 176 states and 195 transitions. [2018-04-12 14:40:53,180 INFO L460 AbstractCegarLoop]: Interpolant automaton has 33 states. [2018-04-12 14:40:53,180 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 195 transitions. [2018-04-12 14:40:53,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-04-12 14:40:53,180 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 14:40:53,180 INFO L355 BasicCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 14:40:53,180 INFO L408 AbstractCegarLoop]: === Iteration 27 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr0RequiresViolation, mainErr18EnsuresViolationMEMORY_LEAK, mainErr17AssertViolationMEMORY_FREE, mainErr3RequiresViolation, mainErr7RequiresViolation, mainErr11RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr15RequiresViolation, mainErr2RequiresViolation, mainErr4RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr16AssertViolationMEMORY_FREE, mainErr14RequiresViolation]=== [2018-04-12 14:40:53,181 INFO L82 PathProgramCache]: Analyzing trace with hash 1712539914, now seen corresponding path program 7 times [2018-04-12 14:40:53,181 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-12 14:40:53,181 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-12 14:40:53,181 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 14:40:53,181 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-04-12 14:40:53,182 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 14:40:53,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 14:40:53,198 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 14:40:53,879 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 57 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 14:40:53,879 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-04-12 14:40:53,879 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 [2018-04-12 14:40:53,885 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-12 14:40:53,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 14:40:53,907 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-12 14:40:53,909 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 [2018-04-12 14:40:53,909 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-12 14:40:53,911 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 14:40:53,911 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2018-04-12 14:40:53,987 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 [2018-04-12 14:40:53,987 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-12 14:40:53,995 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 14:40:53,996 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 14:40:53,996 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 [2018-04-12 14:40:53,996 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 14:40:54,004 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 14:40:54,004 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:38, output treesize:35 [2018-04-12 14:40:54,071 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 [2018-04-12 14:40:54,072 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 10 treesize of output 9 [2018-04-12 14:40:54,072 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 14:40:54,073 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 14:40:54,085 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 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 [2018-04-12 14:40:54,086 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 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 [2018-04-12 14:40:54,086 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-12 14:40:54,088 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 14:40:54,097 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-12 14:40:54,097 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:61, output treesize:59 [2018-04-12 14:40:54,143 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 [2018-04-12 14:40:54,144 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 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 7 [2018-04-12 14:40:54,145 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 14:40:54,146 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 14:40:54,153 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. [2018-04-12 14:40:54,153 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:74, output treesize:59 [2018-04-12 14:40:54,274 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 14:40:54,274 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 27 [2018-04-12 14:40:54,275 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-12 14:40:54,289 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 14:40:54,290 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 14:40:54,290 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 14:40:54,291 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 28 treesize of output 58 [2018-04-12 14:40:54,291 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 14:40:54,305 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. [2018-04-12 14:40:54,305 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:79, output treesize:86 [2018-04-12 14:40:54,404 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 14:40:54,406 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 14:40:54,406 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 77 [2018-04-12 14:40:54,408 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 22 treesize of output 18 [2018-04-12 14:40:54,408 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 14:40:54,414 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 14:40:54,428 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. [2018-04-12 14:40:54,428 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:104, output treesize:94 [2018-04-12 14:40:54,581 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 14:40:54,582 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 14:40:54,582 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 35 treesize of output 82 [2018-04-12 14:40:54,583 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-12 14:40:54,602 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 14:40:54,603 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 14:40:54,604 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 14:40:54,604 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 14:40:54,605 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 14:40:54,605 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 39 treesize of output 79 [2018-04-12 14:40:54,605 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 14:40:54,620 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. [2018-04-12 14:40:54,621 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:141, output treesize:132 [2018-04-12 14:40:54,720 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 14:40:54,721 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 14:40:54,721 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 14:40:54,724 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 14:40:54,726 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 121 treesize of output 129 [2018-04-12 14:40:54,727 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 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 10 treesize of output 9 [2018-04-12 14:40:54,727 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 14:40:54,739 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 14:40:54,757 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. [2018-04-12 14:40:54,757 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:150, output treesize:161 [2018-04-12 14:40:54,931 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 14:40:54,937 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 14:40:54,940 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 240 treesize of output 168 [2018-04-12 14:40:54,942 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 28 treesize of output 27 [2018-04-12 14:40:54,942 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 14:40:54,957 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 14:40:54,975 INFO L267 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 1 dim-2 vars, End of recursive call: 4 dim-0 vars, and 1 xjuncts. [2018-04-12 14:40:54,976 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 5 variables, input treesize:255, output treesize:233 [2018-04-12 14:40:55,317 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 14:40:55,317 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 14:40:55,318 INFO L682 Elim1Store]: detected equality via solver [2018-04-12 14:40:55,318 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 65 treesize of output 103 [2018-04-12 14:40:55,319 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-12 14:40:55,342 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 14:40:55,342 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 14:40:55,342 INFO L682 Elim1Store]: detected equality via solver [2018-04-12 14:40:55,343 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 14:40:55,348 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 7 disjoint index pairs (out of 10 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 182 treesize of output 128 [2018-04-12 14:40:55,350 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 [2018-04-12 14:40:55,350 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-04-12 14:40:55,360 INFO L682 Elim1Store]: detected equality via solver [2018-04-12 14:40:55,361 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 49 treesize of output 33 [2018-04-12 14:40:55,361 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-12 14:40:55,368 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 29 treesize of output 17 [2018-04-12 14:40:55,368 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-04-12 14:40:55,373 INFO L682 Elim1Store]: detected equality via solver [2018-04-12 14:40:55,373 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 17 treesize of output 16 [2018-04-12 14:40:55,373 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-04-12 14:40:55,376 INFO L267 ElimStorePlain]: Start of recursive call 3: 4 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 14:40:55,383 INFO L267 ElimStorePlain]: Start of recursive call 1: 7 dim-0 vars, 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-12 14:40:55,383 INFO L202 ElimStorePlain]: Needed 7 recursive calls to eliminate 9 variables, input treesize:267, output treesize:5 [2018-04-12 14:40:55,418 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 57 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 14:40:55,436 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-12 14:40:55,436 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [29, 29] total 55 [2018-04-12 14:40:55,436 INFO L442 AbstractCegarLoop]: Interpolant automaton has 56 states [2018-04-12 14:40:55,436 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 56 interpolants. [2018-04-12 14:40:55,436 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=213, Invalid=2867, Unknown=0, NotChecked=0, Total=3080 [2018-04-12 14:40:55,436 INFO L87 Difference]: Start difference. First operand 176 states and 195 transitions. Second operand 56 states. [2018-04-12 14:40:57,315 WARN L151 SmtUtils]: Spent 148ms on a formula simplification. DAG size of input: 142 DAG size of output 109 [2018-04-12 14:40:57,583 WARN L151 SmtUtils]: Spent 177ms on a formula simplification. DAG size of input: 162 DAG size of output 122 [2018-04-12 14:41:00,065 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 14:41:00,066 INFO L93 Difference]: Finished difference Result 255 states and 278 transitions. [2018-04-12 14:41:00,066 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2018-04-12 14:41:00,066 INFO L78 Accepts]: Start accepts. Automaton has 56 states. Word has length 64 [2018-04-12 14:41:00,066 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 14:41:00,067 INFO L225 Difference]: With dead ends: 255 [2018-04-12 14:41:00,067 INFO L226 Difference]: Without dead ends: 255 [2018-04-12 14:41:00,068 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 138 GetRequests, 37 SyntacticMatches, 5 SemanticMatches, 96 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2457 ImplicationChecksByTransitivity, 4.7s TimeCoverageRelationStatistics Valid=1040, Invalid=8466, Unknown=0, NotChecked=0, Total=9506 [2018-04-12 14:41:00,068 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 255 states. [2018-04-12 14:41:00,070 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 255 to 194. [2018-04-12 14:41:00,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 194 states. [2018-04-12 14:41:00,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 194 states and 215 transitions. [2018-04-12 14:41:00,071 INFO L78 Accepts]: Start accepts. Automaton has 194 states and 215 transitions. Word has length 64 [2018-04-12 14:41:00,071 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 14:41:00,071 INFO L459 AbstractCegarLoop]: Abstraction has 194 states and 215 transitions. [2018-04-12 14:41:00,072 INFO L460 AbstractCegarLoop]: Interpolant automaton has 56 states. [2018-04-12 14:41:00,072 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 215 transitions. [2018-04-12 14:41:00,072 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-04-12 14:41:00,072 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 14:41:00,072 INFO L355 BasicCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 14:41:00,073 INFO L408 AbstractCegarLoop]: === Iteration 28 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr0RequiresViolation, mainErr18EnsuresViolationMEMORY_LEAK, mainErr17AssertViolationMEMORY_FREE, mainErr3RequiresViolation, mainErr7RequiresViolation, mainErr11RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr15RequiresViolation, mainErr2RequiresViolation, mainErr4RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr16AssertViolationMEMORY_FREE, mainErr14RequiresViolation]=== [2018-04-12 14:41:00,073 INFO L82 PathProgramCache]: Analyzing trace with hash 1712539915, now seen corresponding path program 5 times [2018-04-12 14:41:00,073 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-12 14:41:00,073 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-12 14:41:00,073 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 14:41:00,074 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-12 14:41:00,074 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 14:41:00,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 14:41:00,090 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 14:41:01,007 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 57 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 14:41:01,007 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-04-12 14:41:01,007 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 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 [2018-04-12 14:41:01,012 INFO L103 rtionOrderModulation]: Keeping assertion order INSIDE_LOOP_FIRST1 [2018-04-12 14:41:01,039 INFO L242 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 4 check-sat command(s) [2018-04-12 14:41:01,039 INFO L243 tOrderPrioritization]: Conjunction of SSA is unsat [2018-04-12 14:41:01,041 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-12 14:41:01,075 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 14:41:01,076 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 14:41:01,076 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 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 [2018-04-12 14:41:01,076 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-12 14:41:01,079 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 14:41:01,079 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:20, output treesize:14 [2018-04-12 14:41:01,116 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 13 treesize of output 10 [2018-04-12 14:41:01,117 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 [2018-04-12 14:41:01,118 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 14:41:01,119 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 14:41:01,125 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 13 treesize of output 10 [2018-04-12 14:41:01,126 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 10 treesize of output 9 [2018-04-12 14:41:01,127 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-12 14:41:01,128 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 14:41:01,133 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-12 14:41:01,133 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:42, output treesize:31 [2018-04-12 14:41:01,231 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 14:41:01,232 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 14:41:01,232 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 14:41:01,233 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 14:41:01,233 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 46 [2018-04-12 14:41:01,233 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-12 14:41:01,246 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 14:41:01,246 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:62, output treesize:70 [2018-04-12 14:41:01,332 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 14:41:01,335 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 32 treesize of output 39 [2018-04-12 14:41:01,336 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 [2018-04-12 14:41:01,336 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 14:41:01,341 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 14:41:01,356 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 14:41:01,359 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 48 treesize of output 49 [2018-04-12 14:41:01,361 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 10 treesize of output 9 [2018-04-12 14:41:01,361 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-12 14:41:01,367 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 14:41:01,378 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-12 14:41:01,379 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:98, output treesize:94 [2018-04-12 14:41:01,723 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 14:41:01,724 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 14:41:01,731 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 14:41:01,732 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 14:41:01,732 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 45 treesize of output 97 [2018-04-12 14:41:01,733 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-12 14:41:01,751 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 14:41:01,751 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:159, output treesize:151 [2018-04-12 14:41:01,876 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 14:41:01,877 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 14:41:01,882 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 148 treesize of output 144 [2018-04-12 14:41:01,884 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 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 10 treesize of output 9 [2018-04-12 14:41:01,884 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 14:41:01,911 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 14:41:01,939 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 14:41:01,944 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 109 treesize of output 130 [2018-04-12 14:41:01,947 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 [2018-04-12 14:41:01,947 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-12 14:41:01,958 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 14:41:01,975 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-12 14:41:01,975 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:184, output treesize:158 [2018-04-12 14:41:02,182 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 337 treesize of output 205 [2018-04-12 14:41:02,184 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 34 treesize of output 33 [2018-04-12 14:41:02,184 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 14:41:02,200 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 14:41:02,226 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 308 treesize of output 294 [2018-04-12 14:41:02,228 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 34 treesize of output 33 [2018-04-12 14:41:02,228 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-12 14:41:02,246 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 14:41:02,264 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. [2018-04-12 14:41:02,265 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:349, output treesize:293 [2018-04-12 14:41:02,635 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 323 treesize of output 181 [2018-04-12 14:41:02,637 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 81 treesize of output 28 [2018-04-12 14:41:02,637 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 14:41:02,651 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 67 treesize of output 47 [2018-04-12 14:41:02,651 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-12 14:41:02,663 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 38 treesize of output 22 [2018-04-12 14:41:02,664 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-12 14:41:02,674 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 [2018-04-12 14:41:02,674 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-04-12 14:41:02,683 INFO L267 ElimStorePlain]: Start of recursive call 2: 4 dim-1 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-04-12 14:41:02,695 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 49 [2018-04-12 14:41:02,697 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 30 treesize of output 11 [2018-04-12 14:41:02,697 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2018-04-12 14:41:02,702 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 7 treesize of output 1 [2018-04-12 14:41:02,702 INFO L267 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2018-04-12 14:41:02,705 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 [2018-04-12 14:41:02,705 INFO L267 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2018-04-12 14:41:02,706 INFO L267 ElimStorePlain]: Start of recursive call 7: 3 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 14:41:02,712 INFO L267 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-12 14:41:02,712 INFO L202 ElimStorePlain]: Needed 10 recursive calls to eliminate 6 variables, input treesize:335, output treesize:9 [2018-04-12 14:41:02,747 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 57 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 14:41:02,764 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-12 14:41:02,764 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [32, 26] total 55 [2018-04-12 14:41:02,764 INFO L442 AbstractCegarLoop]: Interpolant automaton has 56 states [2018-04-12 14:41:02,765 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 56 interpolants. [2018-04-12 14:41:02,765 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=173, Invalid=2907, Unknown=0, NotChecked=0, Total=3080 [2018-04-12 14:41:02,765 INFO L87 Difference]: Start difference. First operand 194 states and 215 transitions. Second operand 56 states. [2018-04-12 14:41:04,312 WARN L151 SmtUtils]: Spent 120ms on a formula simplification. DAG size of input: 118 DAG size of output 80 [2018-04-12 14:41:04,536 WARN L151 SmtUtils]: Spent 159ms on a formula simplification. DAG size of input: 136 DAG size of output 96 [2018-04-12 14:41:07,030 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 14:41:07,031 INFO L93 Difference]: Finished difference Result 297 states and 324 transitions. [2018-04-12 14:41:07,031 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2018-04-12 14:41:07,031 INFO L78 Accepts]: Start accepts. Automaton has 56 states. Word has length 64 [2018-04-12 14:41:07,031 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 14:41:07,032 INFO L225 Difference]: With dead ends: 297 [2018-04-12 14:41:07,032 INFO L226 Difference]: Without dead ends: 297 [2018-04-12 14:41:07,032 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 144 GetRequests, 41 SyntacticMatches, 4 SemanticMatches, 99 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2825 ImplicationChecksByTransitivity, 4.7s TimeCoverageRelationStatistics Valid=862, Invalid=9238, Unknown=0, NotChecked=0, Total=10100 [2018-04-12 14:41:07,032 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 297 states. [2018-04-12 14:41:07,034 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 297 to 196. [2018-04-12 14:41:07,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 196 states. [2018-04-12 14:41:07,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 196 states and 216 transitions. [2018-04-12 14:41:07,034 INFO L78 Accepts]: Start accepts. Automaton has 196 states and 216 transitions. Word has length 64 [2018-04-12 14:41:07,034 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 14:41:07,035 INFO L459 AbstractCegarLoop]: Abstraction has 196 states and 216 transitions. [2018-04-12 14:41:07,035 INFO L460 AbstractCegarLoop]: Interpolant automaton has 56 states. [2018-04-12 14:41:07,035 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 216 transitions. [2018-04-12 14:41:07,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-04-12 14:41:07,035 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 14:41:07,035 INFO L355 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 14:41:07,035 INFO L408 AbstractCegarLoop]: === Iteration 29 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr0RequiresViolation, mainErr18EnsuresViolationMEMORY_LEAK, mainErr17AssertViolationMEMORY_FREE, mainErr3RequiresViolation, mainErr7RequiresViolation, mainErr11RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr15RequiresViolation, mainErr2RequiresViolation, mainErr4RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr16AssertViolationMEMORY_FREE, mainErr14RequiresViolation]=== [2018-04-12 14:41:07,035 INFO L82 PathProgramCache]: Analyzing trace with hash 986287508, now seen corresponding path program 4 times [2018-04-12 14:41:07,035 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-12 14:41:07,035 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-12 14:41:07,036 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 14:41:07,036 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-04-12 14:41:07,036 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 14:41:07,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 14:41:07,042 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 14:41:07,405 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 29 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-04-12 14:41:07,405 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-04-12 14:41:07,405 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 [2018-04-12 14:41:07,412 INFO L103 rtionOrderModulation]: Keeping assertion order TERMS_WITH_SMALL_CONSTANTS_FIRST [2018-04-12 14:41:07,439 INFO L242 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2018-04-12 14:41:07,439 INFO L243 tOrderPrioritization]: Conjunction of SSA is unsat [2018-04-12 14:41:07,442 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-12 14:41:07,444 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 [2018-04-12 14:41:07,444 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-12 14:41:07,449 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 [2018-04-12 14:41:07,449 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 14:41:07,453 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 14:41:07,453 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:16, output treesize:14 [2018-04-12 14:41:07,514 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 14:41:07,515 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 14:41:07,515 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 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 [2018-04-12 14:41:07,515 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-12 14:41:07,521 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 [2018-04-12 14:41:07,521 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 14:41:07,526 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. [2018-04-12 14:41:07,526 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:28, output treesize:21 [2018-04-12 14:41:07,569 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 14:41:07,569 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 14:41:07,569 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 [2018-04-12 14:41:07,570 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-12 14:41:07,575 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 [2018-04-12 14:41:07,575 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 14:41:07,580 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. [2018-04-12 14:41:07,580 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:34, output treesize:27 [2018-04-12 14:41:07,619 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 [2018-04-12 14:41:07,620 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 10 treesize of output 9 [2018-04-12 14:41:07,620 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 14:41:07,621 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 14:41:07,625 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-12 14:41:07,626 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:31, output treesize:30 [2018-04-12 14:41:07,648 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 31 treesize of output 25 [2018-04-12 14:41:07,649 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 25 treesize of output 10 [2018-04-12 14:41:07,649 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 14:41:07,651 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 14:41:07,654 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-12 14:41:07,654 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:39, output treesize:18 [2018-04-12 14:41:07,819 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 1 case distinctions, treesize of input 15 treesize of output 23 [2018-04-12 14:41:07,820 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 14 treesize of output 8 [2018-04-12 14:41:07,820 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 14:41:07,827 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 12 [2018-04-12 14:41:07,827 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 2 xjuncts. [2018-04-12 14:41:07,830 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-04-12 14:41:07,840 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: 3 dim-0 vars, and 3 xjuncts. [2018-04-12 14:41:07,841 INFO L202 ElimStorePlain]: Needed 4 recursive calls to eliminate 2 variables, input treesize:54, output treesize:140 [2018-04-12 14:41:07,935 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 14:41:07,936 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 14:41:07,936 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 14:41:07,937 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 54 treesize of output 58 [2018-04-12 14:41:07,937 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-12 14:41:07,954 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 1 case distinctions, treesize of input 54 treesize of output 50 [2018-04-12 14:41:07,955 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 2 xjuncts. [2018-04-12 14:41:07,970 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-04-12 14:41:07,970 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:109, output treesize:91 [2018-04-12 14:41:08,021 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 27 treesize of output 21 [2018-04-12 14:41:08,025 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 21 treesize of output 20 [2018-04-12 14:41:08,025 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-04-12 14:41:08,031 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-04-12 14:41:08,039 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 17 treesize of output 13 [2018-04-12 14:41:08,042 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 13 treesize of output 14 [2018-04-12 14:41:08,042 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 2 xjuncts. [2018-04-12 14:41:08,044 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-12 14:41:08,052 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: 2 dim-0 vars, and 4 xjuncts. [2018-04-12 14:41:08,052 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:43, output treesize:65 [2018-04-12 14:41:08,142 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 14:41:08,142 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 [2018-04-12 14:41:08,142 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-12 14:41:08,146 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. [2018-04-12 14:41:08,146 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:19, output treesize:14 [2018-04-12 14:41:08,206 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 32 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 14:41:08,223 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-12 14:41:08,223 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [22, 25] total 46 [2018-04-12 14:41:08,223 INFO L442 AbstractCegarLoop]: Interpolant automaton has 47 states [2018-04-12 14:41:08,224 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 47 interpolants. [2018-04-12 14:41:08,224 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=147, Invalid=2015, Unknown=0, NotChecked=0, Total=2162 [2018-04-12 14:41:08,224 INFO L87 Difference]: Start difference. First operand 196 states and 216 transitions. Second operand 47 states. [2018-04-12 14:41:10,364 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 14:41:10,364 INFO L93 Difference]: Finished difference Result 203 states and 218 transitions. [2018-04-12 14:41:10,365 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2018-04-12 14:41:10,365 INFO L78 Accepts]: Start accepts. Automaton has 47 states. Word has length 64 [2018-04-12 14:41:10,365 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 14:41:10,365 INFO L225 Difference]: With dead ends: 203 [2018-04-12 14:41:10,365 INFO L226 Difference]: Without dead ends: 203 [2018-04-12 14:41:10,366 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 118 GetRequests, 41 SyntacticMatches, 1 SemanticMatches, 76 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1350 ImplicationChecksByTransitivity, 2.4s TimeCoverageRelationStatistics Valid=806, Invalid=5200, Unknown=0, NotChecked=0, Total=6006 [2018-04-12 14:41:10,366 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 203 states. [2018-04-12 14:41:10,367 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 203 to 196. [2018-04-12 14:41:10,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 196 states. [2018-04-12 14:41:10,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 196 states and 213 transitions. [2018-04-12 14:41:10,367 INFO L78 Accepts]: Start accepts. Automaton has 196 states and 213 transitions. Word has length 64 [2018-04-12 14:41:10,367 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 14:41:10,367 INFO L459 AbstractCegarLoop]: Abstraction has 196 states and 213 transitions. [2018-04-12 14:41:10,367 INFO L460 AbstractCegarLoop]: Interpolant automaton has 47 states. [2018-04-12 14:41:10,367 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 213 transitions. [2018-04-12 14:41:10,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-04-12 14:41:10,368 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 14:41:10,368 INFO L355 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 14:41:10,368 INFO L408 AbstractCegarLoop]: === Iteration 30 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr0RequiresViolation, mainErr18EnsuresViolationMEMORY_LEAK, mainErr17AssertViolationMEMORY_FREE, mainErr3RequiresViolation, mainErr7RequiresViolation, mainErr11RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr15RequiresViolation, mainErr2RequiresViolation, mainErr4RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr16AssertViolationMEMORY_FREE, mainErr14RequiresViolation]=== [2018-04-12 14:41:10,368 INFO L82 PathProgramCache]: Analyzing trace with hash -1365474860, now seen corresponding path program 1 times [2018-04-12 14:41:10,368 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-12 14:41:10,368 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-12 14:41:10,369 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 14:41:10,369 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-04-12 14:41:10,369 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 14:41:10,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 14:41:10,378 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 14:41:10,584 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 31 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-04-12 14:41:10,584 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-04-12 14:41:10,584 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 [2018-04-12 14:41:10,590 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-12 14:41:10,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 14:41:10,625 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-12 14:41:10,632 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 [2018-04-12 14:41:10,632 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-12 14:41:10,635 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 14:41:10,635 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2018-04-12 14:41:10,685 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 14:41:10,686 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 14:41:10,686 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 [2018-04-12 14:41:10,686 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-12 14:41:10,693 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 6 treesize of output 5 [2018-04-12 14:41:10,694 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 14:41:10,699 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 14:41:10,699 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:26, output treesize:19 [2018-04-12 14:41:10,754 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 13 treesize of output 10 [2018-04-12 14:41:10,755 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 10 treesize of output 9 [2018-04-12 14:41:10,756 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 14:41:10,757 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 14:41:10,765 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-12 14:41:10,766 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:37, output treesize:36 [2018-04-12 14:41:10,863 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 15 [2018-04-12 14:41:10,863 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-12 14:41:10,870 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 14:41:10,870 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 14:41:10,871 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 [2018-04-12 14:41:10,871 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 14:41:10,876 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 14:41:10,876 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:44, output treesize:37 [2018-04-12 14:41:10,917 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 14:41:10,919 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 38 treesize of output 39 [2018-04-12 14:41:10,920 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 10 treesize of output 9 [2018-04-12 14:41:10,920 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 14:41:10,924 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 14:41:10,930 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-12 14:41:10,930 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:50, output treesize:49 [2018-04-12 14:41:11,017 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 4 new quantified variables, introduced 3 case distinctions, treesize of input 80 treesize of output 76 [2018-04-12 14:41:11,019 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 85 treesize of output 84 [2018-04-12 14:41:11,020 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 14:41:11,048 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 43 treesize of output 53 [2018-04-12 14:41:11,049 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 2 xjuncts. [2018-04-12 14:41:11,062 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-12 14:41:11,074 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. [2018-04-12 14:41:11,074 INFO L202 ElimStorePlain]: Needed 4 recursive calls to eliminate 3 variables, input treesize:83, output treesize:104 [2018-04-12 14:41:11,861 WARN L148 SmtUtils]: Spent 454ms on a formula simplification that was a NOOP. DAG size: 53 [2018-04-12 14:41:11,866 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 64 treesize of output 57 [2018-04-12 14:41:11,870 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 21 treesize of output 20 [2018-04-12 14:41:11,870 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-04-12 14:41:11,881 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 [2018-04-12 14:41:11,881 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-04-12 14:41:11,891 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-04-12 14:41:11,918 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 34 treesize of output 30 [2018-04-12 14:41:11,930 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 1 new quantified variables, introduced 1 case distinctions, treesize of input 15 treesize of output 16 [2018-04-12 14:41:11,931 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 2 xjuncts. [2018-04-12 14:41:11,936 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-12 14:41:11,937 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 40 treesize of output 36 [2018-04-12 14:41:11,938 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 14:41:11,939 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 15 treesize of output 12 [2018-04-12 14:41:11,939 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2018-04-12 14:41:11,944 INFO L267 ElimStorePlain]: Start of recursive call 7: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 14:41:11,975 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 1 case distinctions, treesize of input 99 treesize of output 89 [2018-04-12 14:41:11,980 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 79 treesize of output 76 [2018-04-12 14:41:11,981 INFO L267 ElimStorePlain]: Start of recursive call 10: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-04-12 14:41:12,015 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 66 treesize of output 59 [2018-04-12 14:41:12,015 INFO L267 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2018-04-12 14:41:12,016 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 72 treesize of output 65 [2018-04-12 14:41:12,016 INFO L267 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2018-04-12 14:41:12,067 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 59 treesize of output 47 [2018-04-12 14:41:12,068 INFO L267 ElimStorePlain]: Start of recursive call 13: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-12 14:41:12,094 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 53 [2018-04-12 14:41:12,094 INFO L267 ElimStorePlain]: Start of recursive call 14: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-12 14:41:12,128 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 69 treesize of output 68 [2018-04-12 14:41:12,128 INFO L267 ElimStorePlain]: Start of recursive call 15: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-04-12 14:41:12,174 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 58 treesize of output 55 [2018-04-12 14:41:12,175 INFO L267 ElimStorePlain]: Start of recursive call 16: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-04-12 14:41:12,179 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 64 treesize of output 61 [2018-04-12 14:41:12,180 INFO L267 ElimStorePlain]: Start of recursive call 17: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-04-12 14:41:12,241 INFO L267 ElimStorePlain]: Start of recursive call 9: 5 dim-1 vars, End of recursive call: 7 dim-0 vars, and 6 xjuncts. [2018-04-12 14:41:12,318 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 47 treesize of output 43 [2018-04-12 14:41:12,322 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 15 treesize of output 16 [2018-04-12 14:41:12,322 INFO L267 ElimStorePlain]: Start of recursive call 19: End of recursive call: and 2 xjuncts. [2018-04-12 14:41:12,330 INFO L267 ElimStorePlain]: Start of recursive call 18: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-12 14:41:12,331 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 43 treesize of output 39 [2018-04-12 14:41:12,334 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 15 treesize of output 16 [2018-04-12 14:41:12,335 INFO L267 ElimStorePlain]: Start of recursive call 21: End of recursive call: and 2 xjuncts. [2018-04-12 14:41:12,341 INFO L267 ElimStorePlain]: Start of recursive call 20: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-12 14:41:12,343 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 47 [2018-04-12 14:41:12,355 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 15 treesize of output 16 [2018-04-12 14:41:12,355 INFO L267 ElimStorePlain]: Start of recursive call 23: End of recursive call: and 2 xjuncts. [2018-04-12 14:41:12,363 INFO L267 ElimStorePlain]: Start of recursive call 22: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-12 14:41:12,364 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 49 treesize of output 45 [2018-04-12 14:41:12,366 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 14:41:12,367 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 0 case distinctions, treesize of input 15 treesize of output 12 [2018-04-12 14:41:12,367 INFO L267 ElimStorePlain]: Start of recursive call 25: End of recursive call: and 1 xjuncts. [2018-04-12 14:41:12,373 INFO L267 ElimStorePlain]: Start of recursive call 24: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 14:41:12,374 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 57 treesize of output 53 [2018-04-12 14:41:12,375 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 14:41:12,376 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 15 treesize of output 12 [2018-04-12 14:41:12,376 INFO L267 ElimStorePlain]: Start of recursive call 27: End of recursive call: and 1 xjuncts. [2018-04-12 14:41:12,384 INFO L267 ElimStorePlain]: Start of recursive call 26: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 14:41:12,385 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 53 treesize of output 49 [2018-04-12 14:41:12,386 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 14:41:12,387 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 15 treesize of output 12 [2018-04-12 14:41:12,387 INFO L267 ElimStorePlain]: Start of recursive call 29: End of recursive call: and 1 xjuncts. [2018-04-12 14:41:12,394 INFO L267 ElimStorePlain]: Start of recursive call 28: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 14:41:12,492 INFO L267 ElimStorePlain]: Start of recursive call 1: 7 dim-0 vars, 4 dim-2 vars, End of recursive call: 10 dim-0 vars, and 12 xjuncts. [2018-04-12 14:41:12,492 INFO L202 ElimStorePlain]: Needed 29 recursive calls to eliminate 11 variables, input treesize:164, output treesize:214 [2018-04-12 14:41:12,633 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 13 treesize of output 3 [2018-04-12 14:41:12,633 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-12 14:41:12,634 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 14:41:12,635 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:16, output treesize:7 [2018-04-12 14:41:12,664 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 34 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 14:41:12,682 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-12 14:41:12,682 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [22, 27] total 46 [2018-04-12 14:41:12,682 INFO L442 AbstractCegarLoop]: Interpolant automaton has 47 states [2018-04-12 14:41:12,682 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 47 interpolants. [2018-04-12 14:41:12,682 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=169, Invalid=1993, Unknown=0, NotChecked=0, Total=2162 [2018-04-12 14:41:12,682 INFO L87 Difference]: Start difference. First operand 196 states and 213 transitions. Second operand 47 states. [2018-04-12 14:41:15,981 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 14:41:15,981 INFO L93 Difference]: Finished difference Result 248 states and 264 transitions. [2018-04-12 14:41:15,981 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2018-04-12 14:41:15,982 INFO L78 Accepts]: Start accepts. Automaton has 47 states. Word has length 66 [2018-04-12 14:41:15,982 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 14:41:15,982 INFO L225 Difference]: With dead ends: 248 [2018-04-12 14:41:15,982 INFO L226 Difference]: Without dead ends: 248 [2018-04-12 14:41:15,983 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 132 GetRequests, 41 SyntacticMatches, 3 SemanticMatches, 88 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2064 ImplicationChecksByTransitivity, 3.8s TimeCoverageRelationStatistics Valid=1056, Invalid=6954, Unknown=0, NotChecked=0, Total=8010 [2018-04-12 14:41:15,983 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 248 states. [2018-04-12 14:41:15,985 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 248 to 198. [2018-04-12 14:41:15,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 198 states. [2018-04-12 14:41:15,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 198 states to 198 states and 214 transitions. [2018-04-12 14:41:15,985 INFO L78 Accepts]: Start accepts. Automaton has 198 states and 214 transitions. Word has length 66 [2018-04-12 14:41:15,985 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 14:41:15,985 INFO L459 AbstractCegarLoop]: Abstraction has 198 states and 214 transitions. [2018-04-12 14:41:15,986 INFO L460 AbstractCegarLoop]: Interpolant automaton has 47 states. [2018-04-12 14:41:15,986 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 214 transitions. [2018-04-12 14:41:15,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2018-04-12 14:41:15,986 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 14:41:15,986 INFO L355 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 14:41:15,986 INFO L408 AbstractCegarLoop]: === Iteration 31 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr0RequiresViolation, mainErr18EnsuresViolationMEMORY_LEAK, mainErr17AssertViolationMEMORY_FREE, mainErr3RequiresViolation, mainErr7RequiresViolation, mainErr11RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr15RequiresViolation, mainErr2RequiresViolation, mainErr4RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr16AssertViolationMEMORY_FREE, mainErr14RequiresViolation]=== [2018-04-12 14:41:15,987 INFO L82 PathProgramCache]: Analyzing trace with hash 1573051448, now seen corresponding path program 8 times [2018-04-12 14:41:15,987 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-12 14:41:15,987 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-12 14:41:15,987 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 14:41:15,987 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-12 14:41:15,987 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 14:41:16,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 14:41:16,006 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 14:41:17,074 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 72 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 14:41:17,074 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-04-12 14:41:17,101 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 [2018-04-12 14:41:17,106 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST1 [2018-04-12 14:41:17,129 INFO L242 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2018-04-12 14:41:17,129 INFO L243 tOrderPrioritization]: Conjunction of SSA is unsat [2018-04-12 14:41:17,132 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-12 14:41:17,133 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 6 treesize of output 5 [2018-04-12 14:41:17,133 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-12 14:41:17,135 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 14:41:17,135 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2018-04-12 14:41:17,203 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 14:41:17,204 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 14:41:17,204 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 [2018-04-12 14:41:17,204 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-12 14:41:17,212 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 6 treesize of output 5 [2018-04-12 14:41:17,212 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 14:41:17,218 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 14:41:17,218 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:35, output treesize:32 [2018-04-12 14:41:17,285 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 [2018-04-12 14:41:17,286 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 [2018-04-12 14:41:17,286 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 14:41:17,287 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 14:41:17,296 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 [2018-04-12 14:41:17,298 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 10 treesize of output 9 [2018-04-12 14:41:17,298 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-12 14:41:17,299 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 14:41:17,307 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-12 14:41:17,307 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:55, output treesize:56 [2018-04-12 14:41:17,474 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 14:41:17,475 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 14:41:17,475 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 14:41:17,476 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 28 treesize of output 58 [2018-04-12 14:41:17,476 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-12 14:41:17,492 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 18 treesize of output 27 [2018-04-12 14:41:17,492 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 14:41:17,513 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 14:41:17,513 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:82, output treesize:89 [2018-04-12 14:41:17,617 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 17 [2018-04-12 14:41:17,617 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-12 14:41:17,633 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 14:41:17,636 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 23 treesize of output 30 [2018-04-12 14:41:17,637 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 [2018-04-12 14:41:17,637 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-04-12 14:41:17,640 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 14:41:17,653 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 14:41:17,654 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 14:41:17,655 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 48 treesize of output 60 [2018-04-12 14:41:17,656 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 22 treesize of output 18 [2018-04-12 14:41:17,656 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-04-12 14:41:17,661 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 14:41:17,671 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-12 14:41:17,671 INFO L202 ElimStorePlain]: Needed 6 recursive calls to eliminate 4 variables, input treesize:124, output treesize:84 [2018-04-12 14:41:17,891 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 14:41:17,892 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 14:41:17,893 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 14:41:17,893 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 14:41:17,894 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 14:41:17,894 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 45 treesize of output 129 [2018-04-12 14:41:17,894 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-12 14:41:17,920 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. [2018-04-12 14:41:17,921 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:152, output treesize:176 [2018-04-12 14:41:18,067 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 14:41:18,067 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 14:41:18,068 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 14:41:18,071 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 14:41:18,072 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 14:41:18,073 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 14:41:18,073 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 8 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 151 treesize of output 181 [2018-04-12 14:41:18,075 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 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 32 [2018-04-12 14:41:18,075 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 14:41:18,093 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 14:41:18,124 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 14:41:18,125 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 14:41:18,125 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 14:41:18,129 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 53 treesize of output 86 [2018-04-12 14:41:18,131 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 [2018-04-12 14:41:18,131 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-12 14:41:18,138 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 14:41:18,158 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 1 xjuncts. [2018-04-12 14:41:18,158 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:199, output treesize:180 [2018-04-12 14:41:18,384 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 14:41:18,385 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 14:41:18,386 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 14:41:18,400 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 195 treesize of output 306 [2018-04-12 14:41:18,402 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 46 treesize of output 45 [2018-04-12 14:41:18,403 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 14:41:18,424 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 14:41:18,449 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 14:41:18,449 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 14:41:18,450 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 14:41:18,451 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 14:41:18,452 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 14:41:18,454 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 14:41:18,458 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 9 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 299 treesize of output 257 [2018-04-12 14:41:18,460 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 46 treesize of output 45 [2018-04-12 14:41:18,460 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-12 14:41:18,479 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 14:41:18,503 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. [2018-04-12 14:41:18,504 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:347, output treesize:303 [2018-04-12 14:41:18,937 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 14:41:18,938 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 14:41:18,939 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 14:41:18,942 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 169 treesize of output 205 [2018-04-12 14:41:18,944 INFO L682 Elim1Store]: detected equality via solver [2018-04-12 14:41:18,944 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 24 treesize of output 16 [2018-04-12 14:41:18,945 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 14:41:18,959 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 25 treesize of output 13 [2018-04-12 14:41:18,959 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-04-12 14:41:18,967 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 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 29 [2018-04-12 14:41:18,967 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-12 14:41:18,972 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 [2018-04-12 14:41:18,973 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-04-12 14:41:18,977 INFO L267 ElimStorePlain]: Start of recursive call 2: 4 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 14:41:18,991 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. [2018-04-12 14:41:18,991 INFO L202 ElimStorePlain]: Needed 6 recursive calls to eliminate 4 variables, input treesize:310, output treesize:164 [2018-04-12 14:41:19,221 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 14:41:19,221 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 14:41:19,222 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 14:41:19,222 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 14:41:19,223 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 14:41:19,224 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 14:41:19,225 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 14:41:19,226 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 14:41:19,226 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 11 disjoint index pairs (out of 6 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 148 treesize of output 131 [2018-04-12 14:41:19,231 INFO L477 Elim1Store]: Elim1 applied some 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 1 case distinctions, treesize of input 10 treesize of output 15 [2018-04-12 14:41:19,231 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 14:41:19,246 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 40 treesize of output 30 [2018-04-12 14:41:19,246 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-12 14:41:19,257 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 38 treesize of output 22 [2018-04-12 14:41:19,258 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-12 14:41:19,268 INFO L682 Elim1Store]: detected equality via solver [2018-04-12 14:41:19,268 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 23 [2018-04-12 14:41:19,269 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-04-12 14:41:19,277 INFO L267 ElimStorePlain]: Start of recursive call 2: 4 dim-1 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-04-12 14:41:19,290 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. [2018-04-12 14:41:19,291 INFO L202 ElimStorePlain]: Needed 6 recursive calls to eliminate 4 variables, input treesize:165, output treesize:49 [2018-04-12 14:41:19,428 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 72 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 14:41:19,446 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-12 14:41:19,446 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [35, 30] total 64 [2018-04-12 14:41:19,447 INFO L442 AbstractCegarLoop]: Interpolant automaton has 65 states [2018-04-12 14:41:19,447 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 65 interpolants. [2018-04-12 14:41:19,447 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=302, Invalid=3858, Unknown=0, NotChecked=0, Total=4160 [2018-04-12 14:41:19,447 INFO L87 Difference]: Start difference. First operand 198 states and 214 transitions. Second operand 65 states. [2018-04-12 14:41:24,584 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 14:41:24,584 INFO L93 Difference]: Finished difference Result 247 states and 265 transitions. [2018-04-12 14:41:24,584 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2018-04-12 14:41:24,584 INFO L78 Accepts]: Start accepts. Automaton has 65 states. Word has length 70 [2018-04-12 14:41:24,584 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 14:41:24,585 INFO L225 Difference]: With dead ends: 247 [2018-04-12 14:41:24,585 INFO L226 Difference]: Without dead ends: 247 [2018-04-12 14:41:24,586 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 148 GetRequests, 39 SyntacticMatches, 5 SemanticMatches, 104 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3342 ImplicationChecksByTransitivity, 5.2s TimeCoverageRelationStatistics Valid=1137, Invalid=9993, Unknown=0, NotChecked=0, Total=11130 [2018-04-12 14:41:24,586 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 247 states. [2018-04-12 14:41:24,587 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 247 to 202. [2018-04-12 14:41:24,587 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 202 states. [2018-04-12 14:41:24,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 202 states and 220 transitions. [2018-04-12 14:41:24,587 INFO L78 Accepts]: Start accepts. Automaton has 202 states and 220 transitions. Word has length 70 [2018-04-12 14:41:24,588 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 14:41:24,588 INFO L459 AbstractCegarLoop]: Abstraction has 202 states and 220 transitions. [2018-04-12 14:41:24,588 INFO L460 AbstractCegarLoop]: Interpolant automaton has 65 states. [2018-04-12 14:41:24,588 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 220 transitions. [2018-04-12 14:41:24,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2018-04-12 14:41:24,588 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 14:41:24,588 INFO L355 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 14:41:24,588 INFO L408 AbstractCegarLoop]: === Iteration 32 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr0RequiresViolation, mainErr18EnsuresViolationMEMORY_LEAK, mainErr17AssertViolationMEMORY_FREE, mainErr3RequiresViolation, mainErr7RequiresViolation, mainErr11RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr15RequiresViolation, mainErr2RequiresViolation, mainErr4RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr16AssertViolationMEMORY_FREE, mainErr14RequiresViolation]=== [2018-04-12 14:41:24,588 INFO L82 PathProgramCache]: Analyzing trace with hash 1573051449, now seen corresponding path program 6 times [2018-04-12 14:41:24,588 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-12 14:41:24,588 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-12 14:41:24,589 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 14:41:24,589 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-04-12 14:41:24,589 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 14:41:24,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 14:41:24,604 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 14:41:25,803 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 72 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 14:41:25,803 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-04-12 14:41:25,803 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 [2018-04-12 14:41:25,808 INFO L103 rtionOrderModulation]: Keeping assertion order MIX_INSIDE_OUTSIDE [2018-04-12 14:41:25,841 INFO L242 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 4 check-sat command(s) [2018-04-12 14:41:25,841 INFO L243 tOrderPrioritization]: Conjunction of SSA is unsat [2018-04-12 14:41:25,844 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-12 14:41:25,851 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 14:41:25,851 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 14:41:25,851 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 [2018-04-12 14:41:25,852 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-12 14:41:25,857 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 14:41:25,857 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:26, output treesize:20 [2018-04-12 14:41:25,913 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 13 treesize of output 10 [2018-04-12 14:41:25,914 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 [2018-04-12 14:41:25,915 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 14:41:25,916 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 14:41:25,925 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 13 treesize of output 10 [2018-04-12 14:41:25,926 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 10 treesize of output 9 [2018-04-12 14:41:25,926 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-12 14:41:25,927 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 14:41:25,934 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-12 14:41:25,934 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:48, output treesize:37 [2018-04-12 14:41:26,082 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 14:41:26,082 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 14:41:26,083 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 [2018-04-12 14:41:26,083 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-12 14:41:26,096 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 6 treesize of output 5 [2018-04-12 14:41:26,096 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 14:41:26,107 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 14:41:26,107 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:64, output treesize:61 [2018-04-12 14:41:26,194 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 14:41:26,196 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 [2018-04-12 14:41:26,197 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 10 treesize of output 9 [2018-04-12 14:41:26,197 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 14:41:26,201 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 14:41:26,215 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 14:41:26,217 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 28 treesize of output 33 [2018-04-12 14:41:26,219 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 [2018-04-12 14:41:26,219 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-12 14:41:26,223 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 14:41:26,234 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-12 14:41:26,234 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:84, output treesize:81 [2018-04-12 14:41:26,390 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 18 [2018-04-12 14:41:26,391 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 18 treesize of output 27 [2018-04-12 14:41:26,392 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 14:41:26,393 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 14:41:26,409 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. [2018-04-12 14:41:26,409 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:128, output treesize:129 [2018-04-12 14:41:26,477 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 14:41:26,478 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 14:41:26,478 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 14:41:26,479 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 14:41:26,479 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 [2018-04-12 14:41:26,479 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-12 14:41:26,501 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 22 treesize of output 35 [2018-04-12 14:41:26,502 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 14:41:26,521 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. [2018-04-12 14:41:26,521 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:143, output treesize:135 [2018-04-12 14:41:26,658 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 14:41:26,664 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 14:41:26,671 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 3 case distinctions, treesize of input 109 treesize of output 127 [2018-04-12 14:41:26,673 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 141 treesize of output 137 [2018-04-12 14:41:26,674 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 14:41:26,710 INFO L682 Elim1Store]: detected equality via solver [2018-04-12 14:41:26,710 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 89 treesize of output 76 [2018-04-12 14:41:26,710 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-04-12 14:41:26,729 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-12 14:41:26,761 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 14:41:26,762 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 14:41:26,766 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 132 treesize of output 159 [2018-04-12 14:41:26,767 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 20 treesize of output 19 [2018-04-12 14:41:26,767 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-04-12 14:41:26,781 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 14:41:26,784 INFO L682 Elim1Store]: detected equality via solver [2018-04-12 14:41:26,786 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 90 treesize of output 90 [2018-04-12 14:41:26,788 INFO L682 Elim1Store]: detected equality via solver [2018-04-12 14:41:26,788 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 40 treesize of output 28 [2018-04-12 14:41:26,788 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2018-04-12 14:41:26,798 INFO L267 ElimStorePlain]: Start of recursive call 7: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 14:41:26,832 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 2 xjuncts. [2018-04-12 14:41:26,832 INFO L202 ElimStorePlain]: Needed 8 recursive calls to eliminate 4 variables, input treesize:158, output treesize:261 [2018-04-12 14:41:27,161 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 14:41:27,162 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 14:41:27,163 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 292 treesize of output 348 [2018-04-12 14:41:27,165 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 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 104 [2018-04-12 14:41:27,165 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 14:41:27,190 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 14:41:27,236 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 14:41:27,237 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 14:41:27,238 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 151 treesize of output 179 [2018-04-12 14:41:27,240 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 50 [2018-04-12 14:41:27,240 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-12 14:41:27,259 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 14:41:27,299 INFO L267 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 2 dim-2 vars, End of recursive call: 2 dim-0 vars, and 2 xjuncts. [2018-04-12 14:41:27,299 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 6 variables, input treesize:444, output treesize:444 [2018-04-12 14:41:27,421 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 14:41:27,423 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 14:41:27,423 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 14:41:27,434 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 14:41:27,435 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 14:41:27,447 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 3 case distinctions, treesize of input 421 treesize of output 380 [2018-04-12 14:41:27,450 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 526 treesize of output 525 [2018-04-12 14:41:27,450 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 14:41:27,570 INFO L682 Elim1Store]: detected equality via solver [2018-04-12 14:41:27,571 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 325 treesize of output 282 [2018-04-12 14:41:27,572 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-12 14:41:27,626 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-04-12 14:41:27,744 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 14:41:27,745 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 14:41:27,746 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 14:41:27,781 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 391 treesize of output 380 [2018-04-12 14:41:27,784 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 462 treesize of output 461 [2018-04-12 14:41:27,784 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-04-12 14:41:27,836 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 14:41:27,838 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 14:41:27,840 INFO L682 Elim1Store]: detected equality via solver [2018-04-12 14:41:27,844 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 256 treesize of output 216 [2018-04-12 14:41:27,846 INFO L682 Elim1Store]: detected equality via solver [2018-04-12 14:41:27,846 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 179 treesize of output 103 [2018-04-12 14:41:27,847 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2018-04-12 14:41:27,865 INFO L267 ElimStorePlain]: Start of recursive call 7: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 14:41:27,945 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 14:41:27,946 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 14:41:27,946 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 14:41:27,951 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 206 treesize of output 209 [2018-04-12 14:41:27,953 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 29 [2018-04-12 14:41:27,953 INFO L267 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2018-04-12 14:41:27,972 INFO L267 ElimStorePlain]: Start of recursive call 9: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 14:41:28,047 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 14:41:28,048 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 14:41:28,052 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 192 treesize of output 205 [2018-04-12 14:41:28,054 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 30 treesize of output 29 [2018-04-12 14:41:28,054 INFO L267 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2018-04-12 14:41:28,077 INFO L267 ElimStorePlain]: Start of recursive call 11: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 14:41:28,138 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 4 dim-2 vars, End of recursive call: 4 dim-0 vars, and 3 xjuncts. [2018-04-12 14:41:28,138 INFO L202 ElimStorePlain]: Needed 12 recursive calls to eliminate 6 variables, input treesize:628, output treesize:653 [2018-04-12 14:41:29,007 WARN L151 SmtUtils]: Spent 137ms on a formula simplification. DAG size of input: 149 DAG size of output 148 [2018-04-12 14:41:29,326 INFO L682 Elim1Store]: detected equality via solver [2018-04-12 14:41:29,327 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 14:41:29,328 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 14:41:29,328 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 14:41:29,329 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 14:41:29,330 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 14:41:29,330 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 14:41:29,331 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 8 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 109 treesize of output 158 [2018-04-12 14:41:29,343 INFO L477 Elim1Store]: Elim1 applied some 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 5 new quantified variables, introduced 3 case distinctions, treesize of input 18 treesize of output 48 [2018-04-12 14:41:29,344 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 14:41:29,353 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 3 [2018-04-12 14:41:29,354 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-04-12 14:41:29,360 INFO L682 Elim1Store]: detected equality via solver [2018-04-12 14:41:29,360 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 21 treesize of output 17 [2018-04-12 14:41:29,361 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-12 14:41:29,365 INFO L267 ElimStorePlain]: Start of recursive call 2: 3 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 14:41:29,389 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. [2018-04-12 14:41:29,389 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:420, output treesize:362 [2018-04-12 14:41:29,584 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 14:41:29,585 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 14:41:29,585 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 14:41:29,586 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 14:41:29,586 INFO L682 Elim1Store]: detected equality via solver [2018-04-12 14:41:29,587 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 14:41:29,587 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 14:41:29,588 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 14:41:29,591 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 9 disjoint index pairs (out of 10 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 428 treesize of output 370 [2018-04-12 14:41:29,593 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 25 treesize of output 1 [2018-04-12 14:41:29,593 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 14:41:29,615 INFO L682 Elim1Store]: detected equality via solver [2018-04-12 14:41:29,616 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 130 treesize of output 78 [2018-04-12 14:41:29,616 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-04-12 14:41:29,631 INFO L682 Elim1Store]: detected equality via solver [2018-04-12 14:41:29,632 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 117 treesize of output 92 [2018-04-12 14:41:29,632 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-12 14:41:29,651 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 91 treesize of output 77 [2018-04-12 14:41:29,652 INFO L267 ElimStorePlain]: Start of recursive call 6: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-12 14:41:29,664 INFO L267 ElimStorePlain]: Start of recursive call 2: 4 dim-1 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-04-12 14:41:29,687 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 4 new quantified variables, introduced 0 case distinctions, treesize of input 79 treesize of output 81 [2018-04-12 14:41:29,689 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 13 [2018-04-12 14:41:29,689 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2018-04-12 14:41:29,701 INFO L682 Elim1Store]: detected equality via solver [2018-04-12 14:41:29,701 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 25 [2018-04-12 14:41:29,702 INFO L267 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2018-04-12 14:41:29,708 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 [2018-04-12 14:41:29,708 INFO L267 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2018-04-12 14:41:29,712 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 [2018-04-12 14:41:29,712 INFO L267 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2018-04-12 14:41:29,714 INFO L267 ElimStorePlain]: Start of recursive call 7: 4 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 14:41:29,722 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 1 xjuncts. [2018-04-12 14:41:29,722 INFO L202 ElimStorePlain]: Needed 11 recursive calls to eliminate 4 variables, input treesize:445, output treesize:18 [2018-04-12 14:41:29,881 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 72 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 14:41:29,898 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-12 14:41:29,898 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [36, 35] total 66 [2018-04-12 14:41:29,899 INFO L442 AbstractCegarLoop]: Interpolant automaton has 67 states [2018-04-12 14:41:29,899 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 67 interpolants. [2018-04-12 14:41:29,899 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=255, Invalid=4167, Unknown=0, NotChecked=0, Total=4422 [2018-04-12 14:41:29,899 INFO L87 Difference]: Start difference. First operand 202 states and 220 transitions. Second operand 67 states. [2018-04-12 14:41:31,904 WARN L151 SmtUtils]: Spent 115ms on a formula simplification. DAG size of input: 145 DAG size of output 95 [2018-04-12 14:41:32,173 WARN L151 SmtUtils]: Spent 126ms on a formula simplification. DAG size of input: 195 DAG size of output 100 [2018-04-12 14:41:33,061 WARN L151 SmtUtils]: Spent 131ms on a formula simplification. DAG size of input: 211 DAG size of output 127 [2018-04-12 14:41:33,811 WARN L151 SmtUtils]: Spent 116ms on a formula simplification. DAG size of input: 255 DAG size of output 147 [2018-04-12 14:41:34,528 WARN L151 SmtUtils]: Spent 120ms on a formula simplification. DAG size of input: 260 DAG size of output 150 [2018-04-12 14:41:45,674 WARN L151 SmtUtils]: Spent 10846ms on a formula simplification. DAG size of input: 358 DAG size of output 261 [2018-04-12 14:41:48,295 WARN L151 SmtUtils]: Spent 2417ms on a formula simplification. DAG size of input: 280 DAG size of output 263 [2018-04-12 14:41:50,067 WARN L151 SmtUtils]: Spent 1451ms on a formula simplification. DAG size of input: 284 DAG size of output 267 [2018-04-12 14:41:50,443 WARN L151 SmtUtils]: Spent 171ms on a formula simplification. DAG size of input: 209 DAG size of output 195 [2018-04-12 14:41:50,958 WARN L151 SmtUtils]: Spent 280ms on a formula simplification. DAG size of input: 221 DAG size of output 207 [2018-04-12 14:41:51,282 WARN L151 SmtUtils]: Spent 159ms on a formula simplification. DAG size of input: 202 DAG size of output 196 [2018-04-12 14:41:51,645 WARN L151 SmtUtils]: Spent 206ms on a formula simplification. DAG size of input: 225 DAG size of output 200 [2018-04-12 14:41:51,918 WARN L151 SmtUtils]: Spent 149ms on a formula simplification. DAG size of input: 178 DAG size of output 172 [2018-04-12 14:41:52,274 WARN L151 SmtUtils]: Spent 203ms on a formula simplification. DAG size of input: 210 DAG size of output 198 [2018-04-12 14:41:52,668 WARN L151 SmtUtils]: Spent 179ms on a formula simplification. DAG size of input: 214 DAG size of output 201 [2018-04-12 14:41:52,937 WARN L151 SmtUtils]: Spent 110ms on a formula simplification. DAG size of input: 161 DAG size of output 148 [2018-04-12 14:41:53,501 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 14:41:53,501 INFO L93 Difference]: Finished difference Result 264 states and 282 transitions. [2018-04-12 14:41:53,501 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2018-04-12 14:41:53,501 INFO L78 Accepts]: Start accepts. Automaton has 67 states. Word has length 70 [2018-04-12 14:41:53,501 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 14:41:53,502 INFO L225 Difference]: With dead ends: 264 [2018-04-12 14:41:53,502 INFO L226 Difference]: Without dead ends: 264 [2018-04-12 14:41:53,503 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 148 GetRequests, 38 SyntacticMatches, 4 SemanticMatches, 106 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3216 ImplicationChecksByTransitivity, 24.6s TimeCoverageRelationStatistics Valid=951, Invalid=10605, Unknown=0, NotChecked=0, Total=11556 [2018-04-12 14:41:53,503 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 264 states. [2018-04-12 14:41:53,505 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 264 to 204. [2018-04-12 14:41:53,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 204 states. [2018-04-12 14:41:53,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 204 states and 221 transitions. [2018-04-12 14:41:53,505 INFO L78 Accepts]: Start accepts. Automaton has 204 states and 221 transitions. Word has length 70 [2018-04-12 14:41:53,505 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 14:41:53,505 INFO L459 AbstractCegarLoop]: Abstraction has 204 states and 221 transitions. [2018-04-12 14:41:53,505 INFO L460 AbstractCegarLoop]: Interpolant automaton has 67 states. [2018-04-12 14:41:53,506 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 221 transitions. [2018-04-12 14:41:53,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2018-04-12 14:41:53,506 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 14:41:53,506 INFO L355 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 14:41:53,506 INFO L408 AbstractCegarLoop]: === Iteration 33 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr0RequiresViolation, mainErr18EnsuresViolationMEMORY_LEAK, mainErr17AssertViolationMEMORY_FREE, mainErr3RequiresViolation, mainErr7RequiresViolation, mainErr11RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr15RequiresViolation, mainErr2RequiresViolation, mainErr4RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr16AssertViolationMEMORY_FREE, mainErr14RequiresViolation]=== [2018-04-12 14:41:53,506 INFO L82 PathProgramCache]: Analyzing trace with hash -516537826, now seen corresponding path program 4 times [2018-04-12 14:41:53,506 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-12 14:41:53,506 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-12 14:41:53,507 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 14:41:53,507 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-04-12 14:41:53,507 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 14:41:53,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 14:41:53,514 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 14:41:54,043 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 0 proven. 41 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 14:41:54,043 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-04-12 14:41:54,043 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 [2018-04-12 14:41:54,049 INFO L103 rtionOrderModulation]: Keeping assertion order TERMS_WITH_SMALL_CONSTANTS_FIRST [2018-04-12 14:41:54,071 INFO L242 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2018-04-12 14:41:54,071 INFO L243 tOrderPrioritization]: Conjunction of SSA is unsat [2018-04-12 14:41:54,074 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-12 14:41:54,076 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 [2018-04-12 14:41:54,076 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-12 14:41:54,078 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 14:41:54,078 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2018-04-12 14:41:54,150 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 14:41:54,151 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 14:41:54,151 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 [2018-04-12 14:41:54,151 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-12 14:41:54,157 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 14:41:54,157 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:29, output treesize:23 [2018-04-12 14:41:54,213 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 13 treesize of output 10 [2018-04-12 14:41:54,214 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 [2018-04-12 14:41:54,214 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 14:41:54,215 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 14:41:54,229 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 [2018-04-12 14:41:54,230 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 10 treesize of output 9 [2018-04-12 14:41:54,230 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-12 14:41:54,231 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 14:41:54,239 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-12 14:41:54,239 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:54, output treesize:40 [2018-04-12 14:41:54,389 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 14:41:54,390 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 14:41:54,390 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 [2018-04-12 14:41:54,390 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-12 14:41:54,404 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. [2018-04-12 14:41:54,404 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:66, output treesize:60 [2018-04-12 14:41:54,522 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 14:41:54,524 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 32 treesize of output 39 [2018-04-12 14:41:54,526 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 [2018-04-12 14:41:54,526 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 14:41:54,530 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 14:41:54,545 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 14:41:54,547 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 48 treesize of output 49 [2018-04-12 14:41:54,549 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 10 treesize of output 9 [2018-04-12 14:41:54,549 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-12 14:41:54,554 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 14:41:54,567 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 1 xjuncts. [2018-04-12 14:41:54,567 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:87, output treesize:78 [2018-04-12 14:41:54,620 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 14:41:54,621 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 49 treesize of output 39 [2018-04-12 14:41:54,622 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 [2018-04-12 14:41:54,622 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 14:41:54,627 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 7 [2018-04-12 14:41:54,627 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-04-12 14:41:54,629 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 14:41:54,639 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. [2018-04-12 14:41:54,639 INFO L202 ElimStorePlain]: Needed 4 recursive calls to eliminate 3 variables, input treesize:111, output treesize:69 [2018-04-12 14:41:54,727 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 20 [2018-04-12 14:41:54,728 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 20 treesize of output 19 [2018-04-12 14:41:54,728 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 14:41:54,729 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 14:41:54,740 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. [2018-04-12 14:41:54,740 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:80, output treesize:85 [2018-04-12 14:41:54,790 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 14:41:54,794 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 14:41:54,800 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 4 new quantified variables, introduced 3 case distinctions, treesize of input 87 treesize of output 86 [2018-04-12 14:41:54,802 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 119 treesize of output 129 [2018-04-12 14:41:54,803 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 14:41:54,822 INFO L682 Elim1Store]: detected equality via solver [2018-04-12 14:41:54,823 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 0 case distinctions, treesize of input 43 treesize of output 47 [2018-04-12 14:41:54,823 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-04-12 14:41:54,833 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-12 14:41:54,847 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 4 dim-0 vars, and 2 xjuncts. [2018-04-12 14:41:54,847 INFO L202 ElimStorePlain]: Needed 4 recursive calls to eliminate 3 variables, input treesize:102, output treesize:141 [2018-04-12 14:41:55,193 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 14:41:55,195 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 120 treesize of output 120 [2018-04-12 14:41:55,196 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 11 treesize of output 3 [2018-04-12 14:41:55,197 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 14:41:55,208 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 14:41:55,234 INFO L682 Elim1Store]: detected equality via solver [2018-04-12 14:41:55,235 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 88 treesize of output 87 [2018-04-12 14:41:55,239 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 17 treesize of output 21 [2018-04-12 14:41:55,240 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 2 xjuncts. [2018-04-12 14:41:55,251 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-12 14:41:55,288 INFO L267 ElimStorePlain]: Start of recursive call 1: 6 dim-0 vars, 2 dim-2 vars, End of recursive call: 9 dim-0 vars, and 3 xjuncts. [2018-04-12 14:41:55,288 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 8 variables, input treesize:209, output treesize:208 [2018-04-12 14:41:55,581 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 97 treesize of output 93 [2018-04-12 14:41:55,586 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 15 treesize of output 16 [2018-04-12 14:41:55,587 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 2 xjuncts. [2018-04-12 14:41:55,602 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-12 14:41:55,662 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 81 treesize of output 75 [2018-04-12 14:41:55,667 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 23 treesize of output 20 [2018-04-12 14:41:55,667 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 2 xjuncts. [2018-04-12 14:41:55,681 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-12 14:41:55,748 INFO L267 ElimStorePlain]: Start of recursive call 1: 8 dim-0 vars, 2 dim-2 vars, End of recursive call: 12 dim-0 vars, and 4 xjuncts. [2018-04-12 14:41:55,748 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 10 variables, input treesize:179, output treesize:269 [2018-04-12 14:41:56,185 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 14:41:56,185 INFO L682 Elim1Store]: detected equality via solver [2018-04-12 14:41:56,185 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 14:41:56,186 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 58 treesize of output 68 [2018-04-12 14:41:56,188 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 14:41:56,195 INFO L477 Elim1Store]: Elim1 applied some 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 2 new quantified variables, introduced 2 case distinctions, treesize of input 19 treesize of output 35 [2018-04-12 14:41:56,195 INFO L267 ElimStorePlain]: Start of recursive call 3: 3 dim-0 vars, End of recursive call: 3 dim-0 vars, and 4 xjuncts. [2018-04-12 14:41:56,208 INFO L682 Elim1Store]: detected equality via solver [2018-04-12 14:41:56,208 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 15 treesize of output 14 [2018-04-12 14:41:56,209 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-04-12 14:41:56,214 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 14:41:56,228 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 14:41:56,229 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 14:41:56,229 INFO L682 Elim1Store]: detected equality via solver [2018-04-12 14:41:56,230 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 14:41:56,230 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 14:41:56,231 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 14:41:56,231 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 5 new quantified variables, introduced 0 case distinctions, treesize of input 80 treesize of output 111 [2018-04-12 14:41:56,233 INFO L682 Elim1Store]: detected equality via solver [2018-04-12 14:41:56,237 INFO L477 Elim1Store]: Elim1 applied some 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 3 new quantified variables, introduced 2 case distinctions, treesize of input 50 treesize of output 34 [2018-04-12 14:41:56,237 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-04-12 14:41:56,246 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 [2018-04-12 14:41:56,246 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-04-12 14:41:56,255 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 24 treesize of output 21 [2018-04-12 14:41:56,255 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 2 xjuncts. [2018-04-12 14:41:56,261 INFO L267 ElimStorePlain]: Start of recursive call 5: 3 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-12 14:41:56,276 INFO L267 ElimStorePlain]: Start of recursive call 1: 6 dim-0 vars, 2 dim-2 vars, End of recursive call: and 2 xjuncts. [2018-04-12 14:41:56,277 INFO L202 ElimStorePlain]: Needed 8 recursive calls to eliminate 8 variables, input treesize:139, output treesize:22 [2018-04-12 14:41:56,416 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 0 proven. 41 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 14:41:56,433 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-12 14:41:56,433 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [31, 35] total 62 [2018-04-12 14:41:56,434 INFO L442 AbstractCegarLoop]: Interpolant automaton has 62 states [2018-04-12 14:41:56,434 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 62 interpolants. [2018-04-12 14:41:56,434 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=221, Invalid=3561, Unknown=0, NotChecked=0, Total=3782 [2018-04-12 14:41:56,434 INFO L87 Difference]: Start difference. First operand 204 states and 221 transitions. Second operand 62 states. [2018-04-12 14:41:59,137 WARN L151 SmtUtils]: Spent 110ms on a formula simplification. DAG size of input: 224 DAG size of output 74 [2018-04-12 14:42:01,278 WARN L151 SmtUtils]: Spent 117ms on a formula simplification. DAG size of input: 157 DAG size of output 93 [2018-04-12 14:42:01,590 WARN L151 SmtUtils]: Spent 128ms on a formula simplification. DAG size of input: 164 DAG size of output 99 [2018-04-12 14:42:01,820 WARN L151 SmtUtils]: Spent 118ms on a formula simplification. DAG size of input: 146 DAG size of output 92 [2018-04-12 14:42:03,157 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 14:42:03,157 INFO L93 Difference]: Finished difference Result 265 states and 281 transitions. [2018-04-12 14:42:03,157 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2018-04-12 14:42:03,157 INFO L78 Accepts]: Start accepts. Automaton has 62 states. Word has length 73 [2018-04-12 14:42:03,157 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 14:42:03,158 INFO L225 Difference]: With dead ends: 265 [2018-04-12 14:42:03,158 INFO L226 Difference]: Without dead ends: 246 [2018-04-12 14:42:03,158 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 154 GetRequests, 44 SyntacticMatches, 4 SemanticMatches, 106 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2986 ImplicationChecksByTransitivity, 7.1s TimeCoverageRelationStatistics Valid=1184, Invalid=10372, Unknown=0, NotChecked=0, Total=11556 [2018-04-12 14:42:03,159 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 246 states. [2018-04-12 14:42:03,160 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 246 to 223. [2018-04-12 14:42:03,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 223 states. [2018-04-12 14:42:03,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 223 states and 239 transitions. [2018-04-12 14:42:03,161 INFO L78 Accepts]: Start accepts. Automaton has 223 states and 239 transitions. Word has length 73 [2018-04-12 14:42:03,161 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 14:42:03,161 INFO L459 AbstractCegarLoop]: Abstraction has 223 states and 239 transitions. [2018-04-12 14:42:03,161 INFO L460 AbstractCegarLoop]: Interpolant automaton has 62 states. [2018-04-12 14:42:03,161 INFO L276 IsEmpty]: Start isEmpty. Operand 223 states and 239 transitions. [2018-04-12 14:42:03,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2018-04-12 14:42:03,161 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 14:42:03,162 INFO L355 BasicCegarLoop]: trace histogram [5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 14:42:03,162 INFO L408 AbstractCegarLoop]: === Iteration 34 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr0RequiresViolation, mainErr18EnsuresViolationMEMORY_LEAK, mainErr17AssertViolationMEMORY_FREE, mainErr3RequiresViolation, mainErr7RequiresViolation, mainErr11RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr15RequiresViolation, mainErr2RequiresViolation, mainErr4RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr16AssertViolationMEMORY_FREE, mainErr14RequiresViolation]=== [2018-04-12 14:42:03,162 INFO L82 PathProgramCache]: Analyzing trace with hash 1462528909, now seen corresponding path program 9 times [2018-04-12 14:42:03,162 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-12 14:42:03,162 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-12 14:42:03,162 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 14:42:03,162 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-04-12 14:42:03,162 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 14:42:03,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 14:42:03,179 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 14:42:04,391 INFO L134 CoverageAnalysis]: Checked inductivity of 94 backedges. 0 proven. 94 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 14:42:04,391 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-04-12 14:42:04,391 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 [2018-04-12 14:42:04,397 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST2 [2018-04-12 14:42:04,436 INFO L242 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2018-04-12 14:42:04,436 INFO L243 tOrderPrioritization]: Conjunction of SSA is unsat [2018-04-12 14:42:04,439 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-12 14:42:04,441 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 [2018-04-12 14:42:04,441 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-12 14:42:04,442 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 14:42:04,443 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2018-04-12 14:42:04,524 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 14:42:04,525 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 14:42:04,525 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 [2018-04-12 14:42:04,525 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-12 14:42:04,531 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 14:42:04,531 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:29, output treesize:27 [2018-04-12 14:42:04,596 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 [2018-04-12 14:42:04,597 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 [2018-04-12 14:42:04,598 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 14:42:04,599 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 14:42:04,608 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 [2018-04-12 14:42:04,609 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 10 treesize of output 9 [2018-04-12 14:42:04,609 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-12 14:42:04,610 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 14:42:04,617 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-12 14:42:04,617 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:50, output treesize:45 [2018-04-12 14:42:04,770 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 14:42:04,771 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 14:42:04,772 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 14:42:04,772 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 28 treesize of output 58 [2018-04-12 14:42:04,772 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-12 14:42:04,782 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 14:42:04,783 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:68, output treesize:76 [2018-04-12 14:42:04,875 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 14:42:04,877 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 32 treesize of output 39 [2018-04-12 14:42:04,879 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 [2018-04-12 14:42:04,879 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 14:42:04,883 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 14:42:04,896 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 14:42:04,897 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 14:42:04,898 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 69 treesize of output 81 [2018-04-12 14:42:04,899 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 22 treesize of output 18 [2018-04-12 14:42:04,900 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-12 14:42:04,906 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 14:42:04,918 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-12 14:42:04,918 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:102, output treesize:84 [2018-04-12 14:42:05,098 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 14:42:05,099 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 14:42:05,099 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 14:42:05,100 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 14:42:05,101 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 14:42:05,101 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 51 treesize of output 153 [2018-04-12 14:42:05,101 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-12 14:42:05,116 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 14:42:05,117 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:134, output treesize:164 [2018-04-12 14:42:05,249 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 14:42:05,249 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 14:42:05,250 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 14:42:05,253 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 14:42:05,255 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 151 treesize of output 159 [2018-04-12 14:42:05,256 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 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 10 treesize of output 9 [2018-04-12 14:42:05,256 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 14:42:05,268 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 14:42:05,292 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 14:42:05,294 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 88 treesize of output 89 [2018-04-12 14:42:05,295 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 [2018-04-12 14:42:05,296 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-12 14:42:05,302 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 14:42:05,320 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-12 14:42:05,320 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:195, output treesize:152 [2018-04-12 14:42:05,600 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 14:42:05,600 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 14:42:05,601 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 14:42:05,602 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 14:42:05,603 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 14:42:05,604 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 14:42:05,604 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 11 disjoint index pairs (out of 10 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 80 treesize of output 318 [2018-04-12 14:42:05,604 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-12 14:42:05,634 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. [2018-04-12 14:42:05,634 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:277, output treesize:335 [2018-04-12 14:42:05,796 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 14:42:05,796 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 14:42:05,797 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 14:42:05,798 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 14:42:05,800 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 14:42:05,806 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 322 treesize of output 253 [2018-04-12 14:42:05,808 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 4 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 [2018-04-12 14:42:05,808 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 14:42:05,832 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 14:42:05,865 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 14:42:05,868 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 276 treesize of output 277 [2018-04-12 14:42:05,869 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 [2018-04-12 14:42:05,870 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-12 14:42:05,886 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 14:42:05,912 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. [2018-04-12 14:42:05,912 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 5 variables, input treesize:361, output treesize:341 [2018-04-12 14:42:06,167 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 14:42:06,171 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 14:42:06,183 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 11 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 587 treesize of output 296 [2018-04-12 14:42:06,185 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 40 treesize of output 39 [2018-04-12 14:42:06,186 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 14:42:06,217 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 14:42:06,254 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 551 treesize of output 521 [2018-04-12 14:42:06,256 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 40 treesize of output 39 [2018-04-12 14:42:06,256 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-12 14:42:06,279 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 14:42:06,308 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 2 dim-2 vars, End of recursive call: 3 dim-0 vars, and 1 xjuncts. [2018-04-12 14:42:06,308 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 5 variables, input treesize:604, output treesize:536 [2018-04-12 14:42:06,473 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 448 treesize of output 411 [2018-04-12 14:42:06,475 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 [2018-04-12 14:42:06,475 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 14:42:06,497 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 377 treesize of output 338 [2018-04-12 14:42:06,498 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-04-12 14:42:06,517 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 14:42:06,540 INFO L267 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 1 dim-2 vars, End of recursive call: 4 dim-0 vars, and 1 xjuncts. [2018-04-12 14:42:06,541 INFO L202 ElimStorePlain]: Needed 4 recursive calls to eliminate 5 variables, input treesize:469, output treesize:359 [2018-04-12 14:42:06,661 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 14:42:06,664 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 14:42:06,668 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 11 disjoint index pairs (out of 10 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 323 treesize of output 156 [2018-04-12 14:42:06,670 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 50 treesize of output 30 [2018-04-12 14:42:06,671 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-12 14:42:06,689 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 28 [2018-04-12 14:42:06,689 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-04-12 14:42:06,705 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 24 [2018-04-12 14:42:06,705 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-12 14:42:06,723 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 7 treesize of output 1 [2018-04-12 14:42:06,724 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-04-12 14:42:06,737 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 22 [2018-04-12 14:42:06,737 INFO L267 ElimStorePlain]: Start of recursive call 7: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-12 14:42:06,749 INFO L267 ElimStorePlain]: Start of recursive call 2: 5 dim-1 vars, End of recursive call: 3 dim-0 vars, and 1 xjuncts. [2018-04-12 14:42:06,762 INFO L267 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 1 dim-2 vars, End of recursive call: 4 dim-0 vars, and 1 xjuncts. [2018-04-12 14:42:06,762 INFO L202 ElimStorePlain]: Needed 7 recursive calls to eliminate 5 variables, input treesize:328, output treesize:66 [2018-04-12 14:42:06,933 INFO L134 CoverageAnalysis]: Checked inductivity of 94 backedges. 0 proven. 94 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 14:42:06,952 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-12 14:42:06,952 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [37, 30] total 66 [2018-04-12 14:42:06,952 INFO L442 AbstractCegarLoop]: Interpolant automaton has 67 states [2018-04-12 14:42:06,952 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 67 interpolants. [2018-04-12 14:42:06,952 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=309, Invalid=4113, Unknown=0, NotChecked=0, Total=4422 [2018-04-12 14:42:06,952 INFO L87 Difference]: Start difference. First operand 223 states and 239 transitions. Second operand 67 states. [2018-04-12 14:42:12,088 WARN L151 SmtUtils]: Spent 100ms on a formula simplification. DAG size of input: 128 DAG size of output 78 [2018-04-12 14:42:12,398 WARN L151 SmtUtils]: Spent 107ms on a formula simplification. DAG size of input: 146 DAG size of output 91 [2018-04-12 14:42:16,502 WARN L151 SmtUtils]: Spent 133ms on a formula simplification. DAG size of input: 142 DAG size of output 117 [2018-04-12 14:42:16,780 WARN L151 SmtUtils]: Spent 176ms on a formula simplification. DAG size of input: 171 DAG size of output 137 [2018-04-12 14:42:19,384 WARN L151 SmtUtils]: Spent 152ms on a formula simplification. DAG size of input: 175 DAG size of output 135 [2018-04-12 14:42:22,338 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 14:42:22,338 INFO L93 Difference]: Finished difference Result 339 states and 363 transitions. [2018-04-12 14:42:22,339 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2018-04-12 14:42:22,339 INFO L78 Accepts]: Start accepts. Automaton has 67 states. Word has length 75 [2018-04-12 14:42:22,339 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 14:42:22,339 INFO L225 Difference]: With dead ends: 339 [2018-04-12 14:42:22,339 INFO L226 Difference]: Without dead ends: 339 [2018-04-12 14:42:22,340 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 170 GetRequests, 43 SyntacticMatches, 5 SemanticMatches, 122 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4442 ImplicationChecksByTransitivity, 11.0s TimeCoverageRelationStatistics Valid=1680, Invalid=13572, Unknown=0, NotChecked=0, Total=15252 [2018-04-12 14:42:22,340 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 339 states. [2018-04-12 14:42:22,341 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 339 to 252. [2018-04-12 14:42:22,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 252 states. [2018-04-12 14:42:22,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 252 states to 252 states and 274 transitions. [2018-04-12 14:42:22,342 INFO L78 Accepts]: Start accepts. Automaton has 252 states and 274 transitions. Word has length 75 [2018-04-12 14:42:22,342 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 14:42:22,342 INFO L459 AbstractCegarLoop]: Abstraction has 252 states and 274 transitions. [2018-04-12 14:42:22,342 INFO L460 AbstractCegarLoop]: Interpolant automaton has 67 states. [2018-04-12 14:42:22,342 INFO L276 IsEmpty]: Start isEmpty. Operand 252 states and 274 transitions. [2018-04-12 14:42:22,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2018-04-12 14:42:22,343 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 14:42:22,343 INFO L355 BasicCegarLoop]: trace histogram [5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 14:42:22,343 INFO L408 AbstractCegarLoop]: === Iteration 35 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr0RequiresViolation, mainErr18EnsuresViolationMEMORY_LEAK, mainErr17AssertViolationMEMORY_FREE, mainErr3RequiresViolation, mainErr7RequiresViolation, mainErr11RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr15RequiresViolation, mainErr2RequiresViolation, mainErr4RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr16AssertViolationMEMORY_FREE, mainErr14RequiresViolation]=== [2018-04-12 14:42:22,343 INFO L82 PathProgramCache]: Analyzing trace with hash 1462528910, now seen corresponding path program 7 times [2018-04-12 14:42:22,343 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-12 14:42:22,343 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-12 14:42:22,344 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 14:42:22,344 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-04-12 14:42:22,344 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 14:42:22,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 14:42:22,358 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 14:42:23,817 INFO L134 CoverageAnalysis]: Checked inductivity of 94 backedges. 0 proven. 94 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 14:42:23,817 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-04-12 14:42:23,817 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 [2018-04-12 14:42:23,824 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-12 14:42:23,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 14:42:23,858 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-12 14:42:23,860 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 [2018-04-12 14:42:23,860 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-12 14:42:23,862 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 14:42:23,862 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2018-04-12 14:42:23,945 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 14:42:23,946 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 14:42:23,946 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 [2018-04-12 14:42:23,946 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-12 14:42:23,952 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 14:42:23,952 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:32, output treesize:30 [2018-04-12 14:42:24,025 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 13 treesize of output 10 [2018-04-12 14:42:24,027 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 10 treesize of output 9 [2018-04-12 14:42:24,027 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 14:42:24,028 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 14:42:24,038 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 13 treesize of output 10 [2018-04-12 14:42:24,043 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 [2018-04-12 14:42:24,043 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-12 14:42:24,044 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 14:42:24,052 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-12 14:42:24,052 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:53, output treesize:48 [2018-04-12 14:42:24,227 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 14:42:24,228 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 14:42:24,228 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 14:42:24,229 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 [2018-04-12 14:42:24,229 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-12 14:42:24,242 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 14:42:24,242 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:67, output treesize:73 [2018-04-12 14:42:24,351 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 14:42:24,353 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 14:42:24,353 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 46 treesize of output 58 [2018-04-12 14:42:24,355 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 22 treesize of output 18 [2018-04-12 14:42:24,355 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 14:42:24,361 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 14:42:24,376 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 14:42:24,378 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 28 treesize of output 33 [2018-04-12 14:42:24,379 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 [2018-04-12 14:42:24,379 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-12 14:42:24,383 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 14:42:24,394 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-12 14:42:24,394 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:101, output treesize:89 [2018-04-12 14:42:24,560 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 14:42:24,561 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 14:42:24,561 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 14:42:24,562 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 14:42:24,562 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 14:42:24,562 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 35 treesize of output 67 [2018-04-12 14:42:24,563 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-12 14:42:24,575 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. [2018-04-12 14:42:24,575 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:116, output treesize:108 [2018-04-12 14:42:24,694 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 14:42:24,695 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 14:42:24,696 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 14:42:24,697 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 14:42:24,701 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 94 treesize of output 110 [2018-04-12 14:42:24,712 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 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 10 treesize of output 9 [2018-04-12 14:42:24,712 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 14:42:24,725 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 14:42:24,756 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 14:42:24,756 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 14:42:24,757 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 14:42:24,761 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 68 [2018-04-12 14:42:24,763 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 20 treesize of output 19 [2018-04-12 14:42:24,763 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-12 14:42:24,770 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 14:42:24,789 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. [2018-04-12 14:42:24,790 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 5 variables, input treesize:151, output treesize:143 [2018-04-12 14:42:24,996 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 14:42:24,997 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 14:42:24,997 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 14 [2018-04-12 14:42:24,997 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-12 14:42:25,019 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 24 treesize of output 37 [2018-04-12 14:42:25,019 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 14:42:25,038 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. [2018-04-12 14:42:25,038 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:213, output treesize:206 [2018-04-12 14:42:25,180 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 14:42:25,180 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 14:42:25,181 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 14:42:25,181 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 14:42:25,187 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 14:42:25,189 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 8 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 183 treesize of output 174 [2018-04-12 14:42:25,191 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 10 treesize of output 9 [2018-04-12 14:42:25,191 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 14:42:25,210 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 14:42:25,232 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 14:42:25,233 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 14:42:25,237 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 41 treesize of output 74 [2018-04-12 14:42:25,238 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 26 treesize of output 25 [2018-04-12 14:42:25,238 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-12 14:42:25,245 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 14:42:25,265 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. [2018-04-12 14:42:25,266 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 5 variables, input treesize:229, output treesize:208 [2018-04-12 14:42:25,518 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 30 [2018-04-12 14:42:25,519 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 30 treesize of output 51 [2018-04-12 14:42:25,519 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 14:42:25,521 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 14:42:25,546 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. [2018-04-12 14:42:25,546 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:311, output treesize:351 [2018-04-12 14:42:25,642 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 14:42:25,684 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 9 case distinctions, treesize of input 262 treesize of output 424 [2018-04-12 14:42:25,690 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 387 treesize of output 386 [2018-04-12 14:42:25,690 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 14:42:25,922 INFO L267 ElimStorePlain]: Start of recursive call 2: 4 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 14:42:25,953 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 14:42:25,963 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 14:42:25,989 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 8 disjoint index pairs (out of 10 index pairs), introduced 8 new quantified variables, introduced 9 case distinctions, treesize of input 408 treesize of output 272 [2018-04-12 14:42:25,989 WARN L130 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2018-04-12 14:42:26,017 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 501 treesize of output 500 [2018-04-12 14:42:26,017 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-12 14:42:26,300 INFO L267 ElimStorePlain]: Start of recursive call 6: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-12 14:42:26,479 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 298 treesize of output 393 [2018-04-12 14:42:26,479 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 2 xjuncts. [2018-04-12 14:42:26,646 INFO L682 Elim1Store]: detected equality via solver [2018-04-12 14:42:26,647 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 271 treesize of output 239 [2018-04-12 14:42:26,648 INFO L267 ElimStorePlain]: Start of recursive call 8: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-12 14:42:26,807 INFO L682 Elim1Store]: detected equality via solver [2018-04-12 14:42:26,808 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 263 treesize of output 209 [2018-04-12 14:42:26,809 INFO L267 ElimStorePlain]: Start of recursive call 9: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-12 14:42:26,958 INFO L267 ElimStorePlain]: Start of recursive call 10: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-12 14:42:27,101 INFO L267 ElimStorePlain]: Start of recursive call 4: 6 dim-1 vars, End of recursive call: 4 dim-0 vars, and 6 xjuncts. [2018-04-12 14:42:27,278 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 2 dim-2 vars, End of recursive call: 21 dim-0 vars, and 6 xjuncts. [2018-04-12 14:42:27,278 INFO L202 ElimStorePlain]: Needed 10 recursive calls to eliminate 5 variables, input treesize:459, output treesize:1748 [2018-04-12 14:42:27,706 WARN L151 SmtUtils]: Spent 142ms on a formula simplification. DAG size of input: 294 DAG size of output 201 [2018-04-12 14:42:28,195 WARN L151 SmtUtils]: Spent 142ms on a formula simplification. DAG size of input: 208 DAG size of output 207 [2018-04-12 14:42:28,453 WARN L151 SmtUtils]: Spent 108ms on a formula simplification. DAG size of input: 206 DAG size of output 157 [2018-04-12 14:42:28,834 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 14:42:28,837 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 14:42:28,837 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 358 treesize of output 364 [2018-04-12 14:42:28,844 INFO L477 Elim1Store]: Elim1 applied some 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 1 case distinctions, treesize of input 12 treesize of output 17 [2018-04-12 14:42:28,844 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 14:42:28,887 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 27 treesize of output 1 [2018-04-12 14:42:28,888 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-04-12 14:42:28,921 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 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 [2018-04-12 14:42:28,921 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-12 14:42:28,950 INFO L267 ElimStorePlain]: Start of recursive call 2: 3 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 14:42:29,071 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 14:42:29,072 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 14:42:29,072 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 258 treesize of output 263 [2018-04-12 14:42:29,079 INFO L477 Elim1Store]: Elim1 applied some 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 1 case distinctions, treesize of input 12 treesize of output 17 [2018-04-12 14:42:29,080 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-04-12 14:42:29,109 INFO L682 Elim1Store]: detected equality via solver [2018-04-12 14:42:29,109 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 23 treesize of output 19 [2018-04-12 14:42:29,109 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2018-04-12 14:42:29,134 INFO L267 ElimStorePlain]: Start of recursive call 6: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 14:42:29,233 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 14:42:29,235 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 14:42:29,237 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 14:42:29,240 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 1 case distinctions, treesize of input 437 treesize of output 477 [2018-04-12 14:42:29,247 INFO L477 Elim1Store]: Elim1 applied some 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 1 case distinctions, treesize of input 473 treesize of output 478 [2018-04-12 14:42:29,248 INFO L267 ElimStorePlain]: Start of recursive call 10: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-04-12 14:42:29,376 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 458 treesize of output 453 [2018-04-12 14:42:29,376 INFO L267 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2018-04-12 14:42:29,470 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 435 treesize of output 428 [2018-04-12 14:42:29,471 INFO L267 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2018-04-12 14:42:29,564 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 453 treesize of output 426 [2018-04-12 14:42:29,565 INFO L267 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2018-04-12 14:42:29,664 INFO L682 Elim1Store]: detected equality via solver [2018-04-12 14:42:29,665 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 428 treesize of output 424 [2018-04-12 14:42:29,665 INFO L267 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2018-04-12 14:42:29,750 INFO L267 ElimStorePlain]: Start of recursive call 9: 5 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-12 14:42:29,919 INFO L267 ElimStorePlain]: Start of recursive call 1: 12 dim-0 vars, 3 dim-2 vars, End of recursive call: 16 dim-0 vars, and 4 xjuncts. [2018-04-12 14:42:29,920 INFO L202 ElimStorePlain]: Needed 14 recursive calls to eliminate 15 variables, input treesize:1060, output treesize:1338 [2018-04-12 14:42:30,336 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 14:42:30,339 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 14:42:30,347 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 9 new quantified variables, introduced 1 case distinctions, treesize of input 443 treesize of output 255 [2018-04-12 14:42:30,358 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 221 treesize of output 206 [2018-04-12 14:42:30,359 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-04-12 14:42:30,467 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 180 treesize of output 168 [2018-04-12 14:42:30,468 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-12 14:42:30,469 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 198 treesize of output 186 [2018-04-12 14:42:30,469 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-12 14:42:30,566 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 229 treesize of output 205 [2018-04-12 14:42:30,566 INFO L267 ElimStorePlain]: Start of recursive call 6: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-12 14:42:30,670 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 205 treesize of output 193 [2018-04-12 14:42:30,670 INFO L267 ElimStorePlain]: Start of recursive call 7: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-12 14:42:30,763 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 193 treesize of output 176 [2018-04-12 14:42:30,763 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2018-04-12 14:42:30,855 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 168 treesize of output 148 [2018-04-12 14:42:30,856 INFO L267 ElimStorePlain]: Start of recursive call 9: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-12 14:42:30,857 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 186 treesize of output 162 [2018-04-12 14:42:30,858 INFO L267 ElimStorePlain]: Start of recursive call 10: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-12 14:42:30,945 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 176 treesize of output 152 [2018-04-12 14:42:30,946 INFO L267 ElimStorePlain]: Start of recursive call 11: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-12 14:42:31,035 INFO L682 Elim1Store]: detected equality via solver [2018-04-12 14:42:31,035 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 152 treesize of output 132 [2018-04-12 14:42:31,035 INFO L267 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2018-04-12 14:42:31,120 INFO L682 Elim1Store]: detected equality via solver [2018-04-12 14:42:31,120 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 162 treesize of output 142 [2018-04-12 14:42:31,121 INFO L267 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2018-04-12 14:42:31,122 INFO L682 Elim1Store]: detected equality via solver [2018-04-12 14:42:31,122 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 148 treesize of output 128 [2018-04-12 14:42:31,123 INFO L267 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2018-04-12 14:42:31,203 INFO L267 ElimStorePlain]: Start of recursive call 2: 9 dim-1 vars, End of recursive call: 8 dim-0 vars, and 3 xjuncts. [2018-04-12 14:42:31,316 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 14:42:31,319 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 14:42:31,320 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 311 treesize of output 200 [2018-04-12 14:42:31,323 INFO L682 Elim1Store]: detected equality via solver [2018-04-12 14:42:31,327 INFO L477 Elim1Store]: Elim1 applied some 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 2 case distinctions, treesize of input 57 treesize of output 57 [2018-04-12 14:42:31,328 INFO L267 ElimStorePlain]: Start of recursive call 16: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-04-12 14:42:31,354 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 68 treesize of output 58 [2018-04-12 14:42:31,354 INFO L267 ElimStorePlain]: Start of recursive call 17: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-12 14:42:31,374 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 77 treesize of output 49 [2018-04-12 14:42:31,374 INFO L267 ElimStorePlain]: Start of recursive call 18: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-12 14:42:31,396 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 13 treesize of output 1 [2018-04-12 14:42:31,396 INFO L267 ElimStorePlain]: Start of recursive call 19: End of recursive call: and 1 xjuncts. [2018-04-12 14:42:31,412 INFO L267 ElimStorePlain]: Start of recursive call 15: 4 dim-1 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-04-12 14:42:31,519 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 121 treesize of output 105 [2018-04-12 14:42:31,520 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 5 [2018-04-12 14:42:31,520 INFO L267 ElimStorePlain]: Start of recursive call 21: End of recursive call: and 1 xjuncts. [2018-04-12 14:42:31,542 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 5 treesize of output 1 [2018-04-12 14:42:31,542 INFO L267 ElimStorePlain]: Start of recursive call 22: End of recursive call: and 1 xjuncts. [2018-04-12 14:42:31,562 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 9 [2018-04-12 14:42:31,562 INFO L267 ElimStorePlain]: Start of recursive call 23: End of recursive call: and 1 xjuncts. [2018-04-12 14:42:31,581 INFO L682 Elim1Store]: detected equality via solver [2018-04-12 14:42:31,581 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 [2018-04-12 14:42:31,581 INFO L267 ElimStorePlain]: Start of recursive call 24: End of recursive call: and 1 xjuncts. [2018-04-12 14:42:31,596 INFO L267 ElimStorePlain]: Start of recursive call 20: 4 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 14:42:31,603 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 9 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 1 case distinctions, treesize of input 131 treesize of output 121 [2018-04-12 14:42:31,605 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 117 treesize of output 106 [2018-04-12 14:42:31,606 INFO L267 ElimStorePlain]: Start of recursive call 26: End of recursive call: and 1 xjuncts. [2018-04-12 14:42:31,660 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 106 treesize of output 87 [2018-04-12 14:42:31,660 INFO L267 ElimStorePlain]: Start of recursive call 27: End of recursive call: and 1 xjuncts. [2018-04-12 14:42:31,708 INFO L682 Elim1Store]: detected equality via solver [2018-04-12 14:42:31,709 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 87 treesize of output 83 [2018-04-12 14:42:31,709 INFO L267 ElimStorePlain]: Start of recursive call 28: End of recursive call: and 1 xjuncts. [2018-04-12 14:42:31,765 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 77 treesize of output 72 [2018-04-12 14:42:31,765 INFO L267 ElimStorePlain]: Start of recursive call 29: End of recursive call: and 1 xjuncts. [2018-04-12 14:42:31,810 INFO L682 Elim1Store]: detected equality via solver [2018-04-12 14:42:31,810 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 109 treesize of output 105 [2018-04-12 14:42:31,810 INFO L267 ElimStorePlain]: Start of recursive call 30: End of recursive call: and 1 xjuncts. [2018-04-12 14:42:31,856 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 96 treesize of output 89 [2018-04-12 14:42:31,856 INFO L267 ElimStorePlain]: Start of recursive call 31: End of recursive call: and 1 xjuncts. [2018-04-12 14:42:31,898 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 14:42:31,898 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 89 treesize of output 76 [2018-04-12 14:42:31,898 INFO L267 ElimStorePlain]: Start of recursive call 32: End of recursive call: and 1 xjuncts. [2018-04-12 14:42:31,923 INFO L267 ElimStorePlain]: Start of recursive call 25: 7 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 14:42:31,931 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 8 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 1 case distinctions, treesize of input 117 treesize of output 109 [2018-04-12 14:42:31,933 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 105 treesize of output 94 [2018-04-12 14:42:31,933 INFO L267 ElimStorePlain]: Start of recursive call 34: End of recursive call: and 1 xjuncts. [2018-04-12 14:42:31,984 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 94 treesize of output 81 [2018-04-12 14:42:31,985 INFO L267 ElimStorePlain]: Start of recursive call 35: End of recursive call: and 1 xjuncts. [2018-04-12 14:42:32,060 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 101 treesize of output 86 [2018-04-12 14:42:32,061 INFO L267 ElimStorePlain]: Start of recursive call 36: End of recursive call: and 1 xjuncts. [2018-04-12 14:42:32,115 INFO L682 Elim1Store]: detected equality via solver [2018-04-12 14:42:32,116 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 81 treesize of output 77 [2018-04-12 14:42:32,116 INFO L267 ElimStorePlain]: Start of recursive call 37: End of recursive call: and 1 xjuncts. [2018-04-12 14:42:32,159 INFO L682 Elim1Store]: detected equality via solver [2018-04-12 14:42:32,159 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 83 treesize of output 79 [2018-04-12 14:42:32,159 INFO L267 ElimStorePlain]: Start of recursive call 38: End of recursive call: and 1 xjuncts. [2018-04-12 14:42:32,198 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 71 treesize of output 66 [2018-04-12 14:42:32,199 INFO L267 ElimStorePlain]: Start of recursive call 39: End of recursive call: and 1 xjuncts. [2018-04-12 14:42:32,234 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 71 treesize of output 60 [2018-04-12 14:42:32,234 INFO L267 ElimStorePlain]: Start of recursive call 40: End of recursive call: and 1 xjuncts. [2018-04-12 14:42:32,255 INFO L267 ElimStorePlain]: Start of recursive call 33: 7 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 14:42:32,319 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 3 new quantified variables, introduced 0 case distinctions, treesize of input 99 treesize of output 85 [2018-04-12 14:42:32,321 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 15 treesize of output 3 [2018-04-12 14:42:32,345 INFO L267 ElimStorePlain]: Start of recursive call 42: End of recursive call: and 1 xjuncts. [2018-04-12 14:42:32,361 INFO L682 Elim1Store]: detected equality via solver [2018-04-12 14:42:32,361 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 17 treesize of output 13 [2018-04-12 14:42:32,361 INFO L267 ElimStorePlain]: Start of recursive call 43: End of recursive call: and 1 xjuncts. [2018-04-12 14:42:32,375 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 [2018-04-12 14:42:32,376 INFO L267 ElimStorePlain]: Start of recursive call 44: End of recursive call: and 1 xjuncts. [2018-04-12 14:42:32,387 INFO L267 ElimStorePlain]: Start of recursive call 41: 3 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 14:42:32,449 INFO L267 ElimStorePlain]: Start of recursive call 1: 8 dim-0 vars, 4 dim-2 vars, End of recursive call: 3 dim-0 vars, and 4 xjuncts. [2018-04-12 14:42:32,450 INFO L202 ElimStorePlain]: Needed 44 recursive calls to eliminate 12 variables, input treesize:755, output treesize:73 [2018-04-12 14:42:32,676 INFO L134 CoverageAnalysis]: Checked inductivity of 94 backedges. 0 proven. 94 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 14:42:32,694 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-12 14:42:32,694 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [39, 37] total 74 [2018-04-12 14:42:32,694 INFO L442 AbstractCegarLoop]: Interpolant automaton has 75 states [2018-04-12 14:42:32,695 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 75 interpolants. [2018-04-12 14:42:32,695 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=279, Invalid=5271, Unknown=0, NotChecked=0, Total=5550 [2018-04-12 14:42:32,695 INFO L87 Difference]: Start difference. First operand 252 states and 274 transitions. Second operand 75 states. [2018-04-12 14:42:35,304 WARN L151 SmtUtils]: Spent 113ms on a formula simplification. DAG size of input: 144 DAG size of output 95 [2018-04-12 14:42:35,597 WARN L151 SmtUtils]: Spent 134ms on a formula simplification. DAG size of input: 167 DAG size of output 108 [2018-04-12 14:42:37,195 WARN L151 SmtUtils]: Spent 114ms on a formula simplification. DAG size of input: 112 DAG size of output 86 [2018-04-12 14:42:37,854 WARN L151 SmtUtils]: Spent 155ms on a formula simplification. DAG size of input: 144 DAG size of output 108 [2018-04-12 14:42:38,232 WARN L151 SmtUtils]: Spent 198ms on a formula simplification. DAG size of input: 166 DAG size of output 124 [2018-04-12 14:42:39,504 WARN L151 SmtUtils]: Spent 208ms on a formula simplification. DAG size of input: 256 DAG size of output 248 [2018-04-12 14:42:40,129 WARN L151 SmtUtils]: Spent 263ms on a formula simplification. DAG size of input: 377 DAG size of output 236 [2018-04-12 14:42:40,827 WARN L151 SmtUtils]: Spent 225ms on a formula simplification. DAG size of input: 380 DAG size of output 239 [2018-04-12 14:42:41,387 WARN L151 SmtUtils]: Spent 193ms on a formula simplification. DAG size of input: 362 DAG size of output 188 [2018-04-12 14:42:44,647 WARN L151 SmtUtils]: Spent 2841ms on a formula simplification. DAG size of input: 499 DAG size of output 326 [2018-04-12 14:42:48,845 WARN L151 SmtUtils]: Spent 3868ms on a formula simplification. DAG size of input: 394 DAG size of output 374 [2018-04-12 14:42:58,069 WARN L151 SmtUtils]: Spent 8670ms on a formula simplification. DAG size of input: 475 DAG size of output 447 [2018-04-12 14:43:18,613 WARN L151 SmtUtils]: Spent 20184ms on a formula simplification. DAG size of input: 461 DAG size of output 433 [2018-04-12 14:43:46,671 WARN L151 SmtUtils]: Spent 26059ms on a formula simplification. DAG size of input: 482 DAG size of output 447 [2018-04-12 14:43:47,084 WARN L151 SmtUtils]: Spent 165ms on a formula simplification. DAG size of input: 249 DAG size of output 241 [2018-04-12 14:43:47,517 WARN L151 SmtUtils]: Spent 159ms on a formula simplification. DAG size of input: 236 DAG size of output 229 [2018-04-12 14:43:48,376 WARN L151 SmtUtils]: Spent 138ms on a formula simplification. DAG size of input: 230 DAG size of output 223 [2018-04-12 14:43:48,622 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 14:43:48,622 INFO L93 Difference]: Finished difference Result 372 states and 397 transitions. [2018-04-12 14:43:48,623 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2018-04-12 14:43:48,623 INFO L78 Accepts]: Start accepts. Automaton has 75 states. Word has length 75 [2018-04-12 14:43:48,623 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 14:43:48,624 INFO L225 Difference]: With dead ends: 372 [2018-04-12 14:43:48,624 INFO L226 Difference]: Without dead ends: 372 [2018-04-12 14:43:48,625 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 169 GetRequests, 40 SyntacticMatches, 2 SemanticMatches, 127 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4148 ImplicationChecksByTransitivity, 76.9s TimeCoverageRelationStatistics Valid=1321, Invalid=15191, Unknown=0, NotChecked=0, Total=16512 [2018-04-12 14:43:48,625 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 372 states. [2018-04-12 14:43:48,629 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 372 to 255. [2018-04-12 14:43:48,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 255 states. [2018-04-12 14:43:48,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 255 states to 255 states and 278 transitions. [2018-04-12 14:43:48,629 INFO L78 Accepts]: Start accepts. Automaton has 255 states and 278 transitions. Word has length 75 [2018-04-12 14:43:48,630 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 14:43:48,630 INFO L459 AbstractCegarLoop]: Abstraction has 255 states and 278 transitions. [2018-04-12 14:43:48,630 INFO L460 AbstractCegarLoop]: Interpolant automaton has 75 states. [2018-04-12 14:43:48,630 INFO L276 IsEmpty]: Start isEmpty. Operand 255 states and 278 transitions. [2018-04-12 14:43:48,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2018-04-12 14:43:48,630 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 14:43:48,631 INFO L355 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 14:43:48,631 INFO L408 AbstractCegarLoop]: === Iteration 36 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr0RequiresViolation, mainErr18EnsuresViolationMEMORY_LEAK, mainErr17AssertViolationMEMORY_FREE, mainErr3RequiresViolation, mainErr7RequiresViolation, mainErr11RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr15RequiresViolation, mainErr2RequiresViolation, mainErr4RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr16AssertViolationMEMORY_FREE, mainErr14RequiresViolation]=== [2018-04-12 14:43:48,631 INFO L82 PathProgramCache]: Analyzing trace with hash 1268176102, now seen corresponding path program 10 times [2018-04-12 14:43:48,631 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-12 14:43:48,631 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-12 14:43:48,631 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 14:43:48,631 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-12 14:43:48,631 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 14:43:48,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 14:43:48,648 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 14:43:49,956 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 4 proven. 89 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 14:43:49,956 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-04-12 14:43:49,957 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 [2018-04-12 14:43:49,961 INFO L103 rtionOrderModulation]: Keeping assertion order TERMS_WITH_SMALL_CONSTANTS_FIRST [2018-04-12 14:43:49,986 INFO L242 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2018-04-12 14:43:49,987 INFO L243 tOrderPrioritization]: Conjunction of SSA is unsat [2018-04-12 14:43:49,989 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-12 14:43:49,991 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-04-12 14:43:49,991 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-12 14:43:50,005 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 14:43:50,006 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2018-04-12 14:43:50,112 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 [2018-04-12 14:43:50,112 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-12 14:43:50,120 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 14:43:50,121 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 14:43:50,121 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 [2018-04-12 14:43:50,121 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 14:43:50,128 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 14:43:50,128 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:38, output treesize:35 [2018-04-12 14:43:50,210 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 [2018-04-12 14:43:50,211 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 [2018-04-12 14:43:50,211 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 14:43:50,212 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 14:43:50,222 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 [2018-04-12 14:43:50,223 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 10 treesize of output 9 [2018-04-12 14:43:50,224 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-12 14:43:50,225 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 14:43:50,233 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-12 14:43:50,234 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:58, output treesize:59 [2018-04-12 14:43:50,440 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 14:43:50,441 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 27 [2018-04-12 14:43:50,441 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-12 14:43:50,458 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 14:43:50,459 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 14:43:50,459 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 14:43:50,459 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 28 treesize of output 58 [2018-04-12 14:43:50,460 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 14:43:50,477 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. [2018-04-12 14:43:50,477 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:88, output treesize:95 [2018-04-12 14:43:50,606 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 14:43:50,609 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 23 treesize of output 30 [2018-04-12 14:43:50,611 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 [2018-04-12 14:43:50,611 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 14:43:50,615 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 14:43:50,638 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 14:43:50,641 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 14:43:50,641 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 80 treesize of output 92 [2018-04-12 14:43:50,643 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 22 treesize of output 18 [2018-04-12 14:43:50,643 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-12 14:43:50,653 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 14:43:50,673 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 1 xjuncts. [2018-04-12 14:43:50,673 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:130, output treesize:128 [2018-04-12 14:43:50,989 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 14:43:50,990 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 14:43:50,990 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 48 treesize of output 95 [2018-04-12 14:43:50,990 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-12 14:43:51,019 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 14:43:51,020 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 14:43:51,020 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 14:43:51,021 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 14:43:51,021 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 14:43:51,021 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 39 treesize of output 79 [2018-04-12 14:43:51,022 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 14:43:51,044 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. [2018-04-12 14:43:51,044 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:196, output treesize:187 [2018-04-12 14:43:51,193 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 14:43:51,193 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 14:43:51,194 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 14:43:51,197 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 14:43:51,197 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 14:43:51,198 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 14:43:51,198 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 8 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 164 treesize of output 194 [2018-04-12 14:43:51,200 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 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 32 [2018-04-12 14:43:51,200 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 14:43:51,219 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 14:43:51,245 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 14:43:51,245 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 14:43:51,246 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 14:43:51,251 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 53 treesize of output 86 [2018-04-12 14:43:51,252 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 [2018-04-12 14:43:51,252 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-12 14:43:51,259 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 14:43:51,281 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. [2018-04-12 14:43:51,282 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 5 variables, input treesize:210, output treesize:191 [2018-04-12 14:43:51,699 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 14:43:51,700 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 90 treesize of output 91 [2018-04-12 14:43:51,700 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-12 14:43:51,728 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 14:43:51,729 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 14:43:51,729 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 14:43:51,734 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 14:43:51,734 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 14:43:51,736 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 14:43:51,739 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 9 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 234 treesize of output 210 [2018-04-12 14:43:51,741 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 28 treesize of output 27 [2018-04-12 14:43:51,741 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-04-12 14:43:51,768 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 14:43:51,792 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 14:43:51,793 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 14:43:51,793 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 14:43:51,804 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 110 treesize of output 221 [2018-04-12 14:43:51,806 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 28 treesize of output 27 [2018-04-12 14:43:51,806 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-04-12 14:43:51,821 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 14:43:51,847 INFO L267 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 1 dim-1 vars, 2 dim-2 vars, End of recursive call: 4 dim-0 vars, and 1 xjuncts. [2018-04-12 14:43:51,847 INFO L202 ElimStorePlain]: Needed 6 recursive calls to eliminate 7 variables, input treesize:350, output treesize:223 [2018-04-12 14:44:09,028 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 14:44:09,029 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 14:44:09,030 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 14:44:09,030 INFO L682 Elim1Store]: detected equality via solver [2018-04-12 14:44:09,031 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 14:44:09,031 INFO L682 Elim1Store]: detected equality via solver [2018-04-12 14:44:09,032 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 14:44:09,032 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 14:44:09,033 INFO L682 Elim1Store]: detected equality via solver [2018-04-12 14:44:09,034 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 14:44:09,035 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 14:44:09,037 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 14:44:09,045 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 7 select indices, 7 select index equivalence classes, 11 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 376 treesize of output 404 [2018-04-12 14:44:09,051 INFO L682 Elim1Store]: detected equality via solver [2018-04-12 14:44:09,063 INFO L477 Elim1Store]: Elim1 applied some 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 5 new quantified variables, introduced 5 case distinctions, treesize of input 279 treesize of output 255 [2018-04-12 14:44:09,068 INFO L267 ElimStorePlain]: Start of recursive call 3: 17 dim-0 vars, End of recursive call: 17 dim-0 vars, and 7 xjuncts. [2018-04-12 14:44:09,249 INFO L682 Elim1Store]: detected equality via solver [2018-04-12 14:44:09,249 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 134 treesize of output 130 [2018-04-12 14:44:09,250 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-04-12 14:44:09,251 INFO L682 Elim1Store]: detected equality via solver [2018-04-12 14:44:09,252 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 168 treesize of output 164 [2018-04-12 14:44:09,252 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-12 14:44:09,254 INFO L682 Elim1Store]: detected equality via solver [2018-04-12 14:44:09,254 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 158 treesize of output 154 [2018-04-12 14:44:09,255 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-04-12 14:44:09,256 INFO L682 Elim1Store]: detected equality via solver [2018-04-12 14:44:09,257 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 152 treesize of output 148 [2018-04-12 14:44:09,257 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-04-12 14:44:09,259 INFO L682 Elim1Store]: detected equality via solver [2018-04-12 14:44:09,259 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 164 treesize of output 160 [2018-04-12 14:44:09,259 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2018-04-12 14:44:09,261 INFO L682 Elim1Store]: detected equality via solver [2018-04-12 14:44:09,261 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 158 treesize of output 154 [2018-04-12 14:44:09,262 INFO L267 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2018-04-12 14:44:09,263 INFO L682 Elim1Store]: detected equality via solver [2018-04-12 14:44:09,264 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 158 treesize of output 154 [2018-04-12 14:44:09,264 INFO L267 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2018-04-12 14:44:09,399 INFO L682 Elim1Store]: detected equality via solver [2018-04-12 14:44:09,403 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 2 case distinctions, treesize of input 152 treesize of output 147 [2018-04-12 14:44:09,404 INFO L267 ElimStorePlain]: Start of recursive call 11: 2 dim-0 vars, End of recursive call: 2 dim-0 vars, and 2 xjuncts. [2018-04-12 14:44:09,407 INFO L682 Elim1Store]: detected equality via solver [2018-04-12 14:44:09,412 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 2 new quantified variables, introduced 2 case distinctions, treesize of input 162 treesize of output 157 [2018-04-12 14:44:09,413 INFO L267 ElimStorePlain]: Start of recursive call 12: 2 dim-0 vars, End of recursive call: 2 dim-0 vars, and 2 xjuncts. [2018-04-12 14:44:09,415 INFO L682 Elim1Store]: detected equality via solver [2018-04-12 14:44:09,420 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 2 case distinctions, treesize of input 146 treesize of output 147 [2018-04-12 14:44:09,421 INFO L267 ElimStorePlain]: Start of recursive call 13: 2 dim-0 vars, End of recursive call: 2 dim-0 vars, and 2 xjuncts. [2018-04-12 14:44:09,422 INFO L682 Elim1Store]: detected equality via solver [2018-04-12 14:44:09,423 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 152 treesize of output 133 [2018-04-12 14:44:09,423 INFO L267 ElimStorePlain]: Start of recursive call 14: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-12 14:44:09,425 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 14:44:09,426 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 14:44:09,426 INFO L682 Elim1Store]: detected equality via solver [2018-04-12 14:44:09,427 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 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 158 treesize of output 161 [2018-04-12 14:44:09,428 INFO L267 ElimStorePlain]: Start of recursive call 15: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-12 14:44:09,430 INFO L682 Elim1Store]: detected equality via solver [2018-04-12 14:44:09,430 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 128 treesize of output 115 [2018-04-12 14:44:09,431 INFO L267 ElimStorePlain]: Start of recursive call 16: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-12 14:44:09,434 INFO L682 Elim1Store]: detected equality via solver [2018-04-12 14:44:09,440 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 2 case distinctions, treesize of input 152 treesize of output 153 [2018-04-12 14:44:09,441 INFO L267 ElimStorePlain]: Start of recursive call 17: 2 dim-0 vars, End of recursive call: 2 dim-0 vars, and 2 xjuncts. [2018-04-12 14:44:09,717 INFO L682 Elim1Store]: detected equality via solver [2018-04-12 14:44:09,726 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 2 case distinctions, treesize of input 153 treesize of output 148 [2018-04-12 14:44:09,727 INFO L267 ElimStorePlain]: Start of recursive call 18: 2 dim-0 vars, End of recursive call: 2 dim-0 vars, and 2 xjuncts. [2018-04-12 14:44:09,729 INFO L682 Elim1Store]: detected equality via solver [2018-04-12 14:44:09,735 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 2 new quantified variables, introduced 2 case distinctions, treesize of input 145 treesize of output 140 [2018-04-12 14:44:09,736 INFO L267 ElimStorePlain]: Start of recursive call 19: 2 dim-0 vars, End of recursive call: 2 dim-0 vars, and 2 xjuncts. [2018-04-12 14:44:09,738 INFO L682 Elim1Store]: detected equality via solver [2018-04-12 14:44:09,743 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 2 case distinctions, treesize of input 141 treesize of output 136 [2018-04-12 14:44:09,744 INFO L267 ElimStorePlain]: Start of recursive call 20: 2 dim-0 vars, End of recursive call: 2 dim-0 vars, and 2 xjuncts. [2018-04-12 14:44:09,746 INFO L682 Elim1Store]: detected equality via solver [2018-04-12 14:44:09,752 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 2 new quantified variables, introduced 2 case distinctions, treesize of input 157 treesize of output 152 [2018-04-12 14:44:09,752 INFO L267 ElimStorePlain]: Start of recursive call 21: 2 dim-0 vars, End of recursive call: 2 dim-0 vars, and 2 xjuncts. [2018-04-12 14:44:09,754 INFO L682 Elim1Store]: detected equality via solver [2018-04-12 14:44:09,759 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 2 case distinctions, treesize of input 141 treesize of output 136 [2018-04-12 14:44:09,760 INFO L267 ElimStorePlain]: Start of recursive call 22: 2 dim-0 vars, End of recursive call: 2 dim-0 vars, and 2 xjuncts. [2018-04-12 14:44:09,762 INFO L682 Elim1Store]: detected equality via solver [2018-04-12 14:44:09,762 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 135 treesize of output 110 [2018-04-12 14:44:09,763 INFO L267 ElimStorePlain]: Start of recursive call 23: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-12 14:44:09,765 INFO L682 Elim1Store]: detected equality via solver [2018-04-12 14:44:09,765 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 123 treesize of output 110 [2018-04-12 14:44:09,766 INFO L267 ElimStorePlain]: Start of recursive call 24: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-12 14:44:09,768 INFO L682 Elim1Store]: detected equality via solver [2018-04-12 14:44:09,768 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 147 treesize of output 122 [2018-04-12 14:44:09,769 INFO L267 ElimStorePlain]: Start of recursive call 25: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-12 14:44:09,771 INFO L682 Elim1Store]: detected equality via solver [2018-04-12 14:44:09,772 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 14:44:09,774 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 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 147 treesize of output 150 [2018-04-12 14:44:09,774 INFO L267 ElimStorePlain]: Start of recursive call 26: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-12 14:44:09,781 INFO L682 Elim1Store]: detected equality via solver [2018-04-12 14:44:09,781 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 14:44:09,783 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 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 135 treesize of output 138 [2018-04-12 14:44:09,783 INFO L267 ElimStorePlain]: Start of recursive call 27: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-12 14:44:09,785 INFO L682 Elim1Store]: detected equality via solver [2018-04-12 14:44:09,791 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 147 treesize of output 142 [2018-04-12 14:44:09,792 INFO L267 ElimStorePlain]: Start of recursive call 28: 2 dim-0 vars, End of recursive call: 2 dim-0 vars, and 2 xjuncts. [2018-04-12 14:44:10,356 INFO L267 ElimStorePlain]: Start of recursive call 2: 4 dim-1 vars, End of recursive call: 51 dim-0 vars, and 17 xjuncts. [2018-04-12 14:44:10,901 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 4 new quantified variables, introduced 0 case distinctions, treesize of input 110 treesize of output 90 [2018-04-12 14:44:10,903 INFO L682 Elim1Store]: detected equality via solver [2018-04-12 14:44:10,903 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 42 treesize of output 26 [2018-04-12 14:44:10,903 INFO L267 ElimStorePlain]: Start of recursive call 30: End of recursive call: and 1 xjuncts. [2018-04-12 14:44:10,917 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 5 [2018-04-12 14:44:10,917 INFO L267 ElimStorePlain]: Start of recursive call 31: End of recursive call: and 1 xjuncts. [2018-04-12 14:44:10,939 INFO L682 Elim1Store]: detected equality via solver [2018-04-12 14:44:10,939 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 [2018-04-12 14:44:10,939 INFO L267 ElimStorePlain]: Start of recursive call 32: End of recursive call: and 1 xjuncts. [2018-04-12 14:44:10,950 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 11 treesize of output 1 [2018-04-12 14:44:10,950 INFO L267 ElimStorePlain]: Start of recursive call 33: End of recursive call: and 1 xjuncts. [2018-04-12 14:44:10,956 INFO L267 ElimStorePlain]: Start of recursive call 29: 4 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 14:44:10,961 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 4 new quantified variables, introduced 0 case distinctions, treesize of input 100 treesize of output 86 [2018-04-12 14:44:10,963 INFO L682 Elim1Store]: detected equality via solver [2018-04-12 14:44:10,963 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 27 treesize of output 23 [2018-04-12 14:44:10,963 INFO L267 ElimStorePlain]: Start of recursive call 35: End of recursive call: and 1 xjuncts. [2018-04-12 14:44:10,977 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 [2018-04-12 14:44:10,978 INFO L267 ElimStorePlain]: Start of recursive call 36: End of recursive call: and 1 xjuncts. [2018-04-12 14:44:10,989 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 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 [2018-04-12 14:44:10,990 INFO L267 ElimStorePlain]: Start of recursive call 37: End of recursive call: and 1 xjuncts. [2018-04-12 14:44:11,000 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 [2018-04-12 14:44:11,000 INFO L267 ElimStorePlain]: Start of recursive call 38: End of recursive call: and 1 xjuncts. [2018-04-12 14:44:11,007 INFO L267 ElimStorePlain]: Start of recursive call 34: 4 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 14:44:11,012 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 4 new quantified variables, introduced 0 case distinctions, treesize of input 110 treesize of output 94 [2018-04-12 14:44:11,014 INFO L682 Elim1Store]: detected equality via solver [2018-04-12 14:44:11,014 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 27 treesize of output 23 [2018-04-12 14:44:11,014 INFO L267 ElimStorePlain]: Start of recursive call 40: End of recursive call: and 1 xjuncts. [2018-04-12 14:44:11,031 INFO L682 Elim1Store]: detected equality via solver [2018-04-12 14:44:11,031 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 42 treesize of output 30 [2018-04-12 14:44:11,031 INFO L267 ElimStorePlain]: Start of recursive call 41: End of recursive call: and 1 xjuncts. [2018-04-12 14:44:11,044 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 1 [2018-04-12 14:44:11,044 INFO L267 ElimStorePlain]: Start of recursive call 42: End of recursive call: and 1 xjuncts. [2018-04-12 14:44:11,056 INFO L682 Elim1Store]: detected equality via solver [2018-04-12 14:44:11,056 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 17 treesize of output 9 [2018-04-12 14:44:11,057 INFO L267 ElimStorePlain]: Start of recursive call 43: End of recursive call: and 1 xjuncts. [2018-04-12 14:44:11,066 INFO L267 ElimStorePlain]: Start of recursive call 39: 4 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 14:44:11,070 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 4 new quantified variables, introduced 0 case distinctions, treesize of input 100 treesize of output 82 [2018-04-12 14:44:11,072 INFO L682 Elim1Store]: detected equality via solver [2018-04-12 14:44:11,072 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 27 treesize of output 23 [2018-04-12 14:44:11,073 INFO L267 ElimStorePlain]: Start of recursive call 45: End of recursive call: and 1 xjuncts. [2018-04-12 14:44:11,086 INFO L682 Elim1Store]: detected equality via solver [2018-04-12 14:44:11,086 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 34 treesize of output 24 [2018-04-12 14:44:11,086 INFO L267 ElimStorePlain]: Start of recursive call 46: End of recursive call: and 1 xjuncts. [2018-04-12 14:44:11,097 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 [2018-04-12 14:44:11,098 INFO L267 ElimStorePlain]: Start of recursive call 47: End of recursive call: and 1 xjuncts. [2018-04-12 14:44:11,108 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 1 [2018-04-12 14:44:11,108 INFO L267 ElimStorePlain]: Start of recursive call 48: End of recursive call: and 1 xjuncts. [2018-04-12 14:44:11,114 INFO L267 ElimStorePlain]: Start of recursive call 44: 4 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 14:44:11,119 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 4 new quantified variables, introduced 0 case distinctions, treesize of input 110 treesize of output 90 [2018-04-12 14:44:11,121 INFO L682 Elim1Store]: detected equality via solver [2018-04-12 14:44:11,122 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 42 treesize of output 30 [2018-04-12 14:44:11,122 INFO L267 ElimStorePlain]: Start of recursive call 50: End of recursive call: and 1 xjuncts. [2018-04-12 14:44:11,137 INFO L682 Elim1Store]: detected equality via solver [2018-04-12 14:44:11,137 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 21 treesize of output 17 [2018-04-12 14:44:11,138 INFO L267 ElimStorePlain]: Start of recursive call 51: End of recursive call: and 1 xjuncts. [2018-04-12 14:44:11,150 INFO L682 Elim1Store]: detected equality via solver [2018-04-12 14:44:11,150 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 30 treesize of output 20 [2018-04-12 14:44:11,150 INFO L267 ElimStorePlain]: Start of recursive call 52: End of recursive call: and 1 xjuncts. [2018-04-12 14:44:11,160 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 1 [2018-04-12 14:44:11,160 INFO L267 ElimStorePlain]: Start of recursive call 53: End of recursive call: and 1 xjuncts. [2018-04-12 14:44:11,170 INFO L267 ElimStorePlain]: Start of recursive call 49: 4 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 14:44:11,176 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 4 new quantified variables, introduced 0 case distinctions, treesize of input 100 treesize of output 82 [2018-04-12 14:44:11,177 INFO L682 Elim1Store]: detected equality via solver [2018-04-12 14:44:11,178 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 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 21 [2018-04-12 14:44:11,178 INFO L267 ElimStorePlain]: Start of recursive call 55: End of recursive call: and 1 xjuncts. [2018-04-12 14:44:11,193 INFO L682 Elim1Store]: detected equality via solver [2018-04-12 14:44:11,193 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 15 [2018-04-12 14:44:11,193 INFO L267 ElimStorePlain]: Start of recursive call 56: End of recursive call: and 1 xjuncts. [2018-04-12 14:44:11,206 INFO L682 Elim1Store]: detected equality via solver [2018-04-12 14:44:11,206 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 [2018-04-12 14:44:11,206 INFO L267 ElimStorePlain]: Start of recursive call 57: End of recursive call: and 1 xjuncts. [2018-04-12 14:44:11,217 INFO L682 Elim1Store]: detected equality via solver [2018-04-12 14:44:11,217 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 17 treesize of output 9 [2018-04-12 14:44:11,217 INFO L267 ElimStorePlain]: Start of recursive call 58: End of recursive call: and 1 xjuncts. [2018-04-12 14:44:11,224 INFO L267 ElimStorePlain]: Start of recursive call 54: 4 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 14:44:11,229 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 4 new quantified variables, introduced 0 case distinctions, treesize of input 100 treesize of output 86 [2018-04-12 14:44:11,231 INFO L682 Elim1Store]: detected equality via solver [2018-04-12 14:44:11,231 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 34 treesize of output 24 [2018-04-12 14:44:11,231 INFO L267 ElimStorePlain]: Start of recursive call 60: End of recursive call: and 1 xjuncts. [2018-04-12 14:44:11,245 INFO L682 Elim1Store]: detected equality via solver [2018-04-12 14:44:11,245 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 17 treesize of output 11 [2018-04-12 14:44:11,245 INFO L267 ElimStorePlain]: Start of recursive call 61: End of recursive call: and 1 xjuncts. [2018-04-12 14:44:11,257 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 [2018-04-12 14:44:11,257 INFO L267 ElimStorePlain]: Start of recursive call 62: End of recursive call: and 1 xjuncts. [2018-04-12 14:44:11,266 INFO L682 Elim1Store]: detected equality via solver [2018-04-12 14:44:11,266 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 [2018-04-12 14:44:11,266 INFO L267 ElimStorePlain]: Start of recursive call 63: End of recursive call: and 1 xjuncts. [2018-04-12 14:44:11,273 INFO L267 ElimStorePlain]: Start of recursive call 59: 4 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 14:44:11,278 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 4 new quantified variables, introduced 0 case distinctions, treesize of input 110 treesize of output 90 [2018-04-12 14:44:11,280 INFO L682 Elim1Store]: detected equality via solver [2018-04-12 14:44:11,280 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 27 treesize of output 23 [2018-04-12 14:44:11,280 INFO L267 ElimStorePlain]: Start of recursive call 65: End of recursive call: and 1 xjuncts. [2018-04-12 14:44:11,293 INFO L682 Elim1Store]: detected equality via solver [2018-04-12 14:44:11,294 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 42 treesize of output 30 [2018-04-12 14:44:11,294 INFO L267 ElimStorePlain]: Start of recursive call 66: End of recursive call: and 1 xjuncts. [2018-04-12 14:44:11,305 INFO L682 Elim1Store]: detected equality via solver [2018-04-12 14:44:11,305 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 30 treesize of output 20 [2018-04-12 14:44:11,305 INFO L267 ElimStorePlain]: Start of recursive call 67: End of recursive call: and 1 xjuncts. [2018-04-12 14:44:11,316 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 1 [2018-04-12 14:44:11,316 INFO L267 ElimStorePlain]: Start of recursive call 68: End of recursive call: and 1 xjuncts. [2018-04-12 14:44:11,322 INFO L267 ElimStorePlain]: Start of recursive call 64: 4 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 14:44:11,327 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 4 new quantified variables, introduced 0 case distinctions, treesize of input 110 treesize of output 94 [2018-04-12 14:44:11,329 INFO L682 Elim1Store]: detected equality via solver [2018-04-12 14:44:11,330 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 27 treesize of output 23 [2018-04-12 14:44:11,330 INFO L267 ElimStorePlain]: Start of recursive call 70: End of recursive call: and 1 xjuncts. [2018-04-12 14:44:11,344 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 [2018-04-12 14:44:11,344 INFO L267 ElimStorePlain]: Start of recursive call 71: End of recursive call: and 1 xjuncts. [2018-04-12 14:44:11,354 INFO L682 Elim1Store]: detected equality via solver [2018-04-12 14:44:11,355 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 23 treesize of output 15 [2018-04-12 14:44:11,355 INFO L267 ElimStorePlain]: Start of recursive call 72: End of recursive call: and 1 xjuncts. [2018-04-12 14:44:11,364 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 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 [2018-04-12 14:44:11,364 INFO L267 ElimStorePlain]: Start of recursive call 73: End of recursive call: and 1 xjuncts. [2018-04-12 14:44:11,371 INFO L267 ElimStorePlain]: Start of recursive call 69: 4 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 14:44:11,391 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 4 new quantified variables, introduced 0 case distinctions, treesize of input 110 treesize of output 94 [2018-04-12 14:44:11,392 INFO L682 Elim1Store]: detected equality via solver [2018-04-12 14:44:11,393 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 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 30 [2018-04-12 14:44:11,393 INFO L267 ElimStorePlain]: Start of recursive call 75: End of recursive call: and 1 xjuncts. [2018-04-12 14:44:11,411 INFO L682 Elim1Store]: detected equality via solver [2018-04-12 14:44:11,412 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 21 treesize of output 15 [2018-04-12 14:44:11,412 INFO L267 ElimStorePlain]: Start of recursive call 76: End of recursive call: and 1 xjuncts. [2018-04-12 14:44:11,423 INFO L682 Elim1Store]: detected equality via solver [2018-04-12 14:44:11,423 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 [2018-04-12 14:44:11,423 INFO L267 ElimStorePlain]: Start of recursive call 77: End of recursive call: and 1 xjuncts. [2018-04-12 14:44:11,433 INFO L682 Elim1Store]: detected equality via solver [2018-04-12 14:44:11,433 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 17 treesize of output 9 [2018-04-12 14:44:11,433 INFO L267 ElimStorePlain]: Start of recursive call 78: End of recursive call: and 1 xjuncts. [2018-04-12 14:44:11,440 INFO L267 ElimStorePlain]: Start of recursive call 74: 4 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 14:44:11,444 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 4 new quantified variables, introduced 0 case distinctions, treesize of input 100 treesize of output 82 [2018-04-12 14:44:11,446 INFO L682 Elim1Store]: detected equality via solver [2018-04-12 14:44:11,446 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 27 treesize of output 21 [2018-04-12 14:44:11,446 INFO L267 ElimStorePlain]: Start of recursive call 80: End of recursive call: and 1 xjuncts. [2018-04-12 14:44:11,459 INFO L682 Elim1Store]: detected equality via solver [2018-04-12 14:44:11,459 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 28 treesize of output 18 [2018-04-12 14:44:11,459 INFO L267 ElimStorePlain]: Start of recursive call 81: End of recursive call: and 1 xjuncts. [2018-04-12 14:44:11,471 INFO L682 Elim1Store]: detected equality via solver [2018-04-12 14:44:11,472 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 17 treesize of output 11 [2018-04-12 14:44:11,472 INFO L267 ElimStorePlain]: Start of recursive call 82: End of recursive call: and 1 xjuncts. [2018-04-12 14:44:11,482 INFO L682 Elim1Store]: detected equality via solver [2018-04-12 14:44:11,482 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 [2018-04-12 14:44:11,482 INFO L267 ElimStorePlain]: Start of recursive call 83: End of recursive call: and 1 xjuncts. [2018-04-12 14:44:11,489 INFO L267 ElimStorePlain]: Start of recursive call 79: 4 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 14:44:11,494 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 4 new quantified variables, introduced 0 case distinctions, treesize of input 110 treesize of output 90 [2018-04-12 14:44:11,495 INFO L682 Elim1Store]: detected equality via solver [2018-04-12 14:44:11,496 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 27 treesize of output 23 [2018-04-12 14:44:11,496 INFO L267 ElimStorePlain]: Start of recursive call 85: End of recursive call: and 1 xjuncts. [2018-04-12 14:44:11,509 INFO L682 Elim1Store]: detected equality via solver [2018-04-12 14:44:11,509 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 42 treesize of output 26 [2018-04-12 14:44:11,509 INFO L267 ElimStorePlain]: Start of recursive call 86: End of recursive call: and 1 xjuncts. [2018-04-12 14:44:11,520 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 1 [2018-04-12 14:44:11,520 INFO L267 ElimStorePlain]: Start of recursive call 87: End of recursive call: and 1 xjuncts. [2018-04-12 14:44:11,529 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 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 [2018-04-12 14:44:11,529 INFO L267 ElimStorePlain]: Start of recursive call 88: End of recursive call: and 1 xjuncts. [2018-04-12 14:44:11,537 INFO L267 ElimStorePlain]: Start of recursive call 84: 4 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 14:44:11,542 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 4 new quantified variables, introduced 0 case distinctions, treesize of input 110 treesize of output 94 [2018-04-12 14:44:11,544 INFO L682 Elim1Store]: detected equality via solver [2018-04-12 14:44:11,544 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 42 treesize of output 26 [2018-04-12 14:44:11,545 INFO L267 ElimStorePlain]: Start of recursive call 90: End of recursive call: and 1 xjuncts. [2018-04-12 14:44:11,559 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 1 [2018-04-12 14:44:11,559 INFO L267 ElimStorePlain]: Start of recursive call 91: End of recursive call: and 1 xjuncts. [2018-04-12 14:44:11,571 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 5 [2018-04-12 14:44:11,571 INFO L267 ElimStorePlain]: Start of recursive call 92: End of recursive call: and 1 xjuncts. [2018-04-12 14:44:11,581 INFO L682 Elim1Store]: detected equality via solver [2018-04-12 14:44:11,581 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 [2018-04-12 14:44:11,581 INFO L267 ElimStorePlain]: Start of recursive call 93: End of recursive call: and 1 xjuncts. [2018-04-12 14:44:11,589 INFO L267 ElimStorePlain]: Start of recursive call 89: 4 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 14:44:11,594 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 4 new quantified variables, introduced 0 case distinctions, treesize of input 100 treesize of output 86 [2018-04-12 14:44:11,596 INFO L682 Elim1Store]: detected equality via solver [2018-04-12 14:44:11,596 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 27 treesize of output 21 [2018-04-12 14:44:11,596 INFO L267 ElimStorePlain]: Start of recursive call 95: End of recursive call: and 1 xjuncts. [2018-04-12 14:44:11,612 INFO L682 Elim1Store]: detected equality via solver [2018-04-12 14:44:11,612 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 21 treesize of output 17 [2018-04-12 14:44:11,612 INFO L267 ElimStorePlain]: Start of recursive call 96: End of recursive call: and 1 xjuncts. [2018-04-12 14:44:11,625 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 13 treesize of output 1 [2018-04-12 14:44:11,625 INFO L267 ElimStorePlain]: Start of recursive call 97: End of recursive call: and 1 xjuncts. [2018-04-12 14:44:11,636 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 [2018-04-12 14:44:11,637 INFO L267 ElimStorePlain]: Start of recursive call 98: End of recursive call: and 1 xjuncts. [2018-04-12 14:44:11,644 INFO L267 ElimStorePlain]: Start of recursive call 94: 4 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 14:44:11,649 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 4 new quantified variables, introduced 0 case distinctions, treesize of input 110 treesize of output 90 [2018-04-12 14:44:11,651 INFO L682 Elim1Store]: detected equality via solver [2018-04-12 14:44:11,651 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 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 26 [2018-04-12 14:44:11,652 INFO L267 ElimStorePlain]: Start of recursive call 100: End of recursive call: and 1 xjuncts. [2018-04-12 14:44:11,665 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 1 [2018-04-12 14:44:11,665 INFO L267 ElimStorePlain]: Start of recursive call 101: End of recursive call: and 1 xjuncts. [2018-04-12 14:44:11,677 INFO L682 Elim1Store]: detected equality via solver [2018-04-12 14:44:11,677 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 [2018-04-12 14:44:11,678 INFO L267 ElimStorePlain]: Start of recursive call 102: End of recursive call: and 1 xjuncts. [2018-04-12 14:44:11,688 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 11 treesize of output 1 [2018-04-12 14:44:11,688 INFO L267 ElimStorePlain]: Start of recursive call 103: End of recursive call: and 1 xjuncts. [2018-04-12 14:44:11,695 INFO L267 ElimStorePlain]: Start of recursive call 99: 4 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 14:44:11,699 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 4 new quantified variables, introduced 0 case distinctions, treesize of input 100 treesize of output 82 [2018-04-12 14:44:11,701 INFO L682 Elim1Store]: detected equality via solver [2018-04-12 14:44:11,701 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 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 21 [2018-04-12 14:44:11,701 INFO L267 ElimStorePlain]: Start of recursive call 105: End of recursive call: and 1 xjuncts. [2018-04-12 14:44:11,715 INFO L682 Elim1Store]: detected equality via solver [2018-04-12 14:44:11,715 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 21 treesize of output 17 [2018-04-12 14:44:11,716 INFO L267 ElimStorePlain]: Start of recursive call 106: End of recursive call: and 1 xjuncts. [2018-04-12 14:44:11,728 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 [2018-04-12 14:44:11,728 INFO L267 ElimStorePlain]: Start of recursive call 107: End of recursive call: and 1 xjuncts. [2018-04-12 14:44:11,737 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 [2018-04-12 14:44:11,738 INFO L267 ElimStorePlain]: Start of recursive call 108: End of recursive call: and 1 xjuncts. [2018-04-12 14:44:11,745 INFO L267 ElimStorePlain]: Start of recursive call 104: 4 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 14:44:11,750 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 4 new quantified variables, introduced 0 case distinctions, treesize of input 110 treesize of output 94 [2018-04-12 14:44:11,752 INFO L682 Elim1Store]: detected equality via solver [2018-04-12 14:44:11,753 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 27 treesize of output 21 [2018-04-12 14:44:11,753 INFO L267 ElimStorePlain]: Start of recursive call 110: End of recursive call: and 1 xjuncts. [2018-04-12 14:44:11,767 INFO L682 Elim1Store]: detected equality via solver [2018-04-12 14:44:11,768 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 23 treesize of output 17 [2018-04-12 14:44:11,768 INFO L267 ElimStorePlain]: Start of recursive call 111: End of recursive call: and 1 xjuncts. [2018-04-12 14:44:11,781 INFO L682 Elim1Store]: detected equality via solver [2018-04-12 14:44:11,791 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 [2018-04-12 14:44:11,791 INFO L267 ElimStorePlain]: Start of recursive call 112: End of recursive call: and 1 xjuncts. [2018-04-12 14:44:11,857 INFO L682 Elim1Store]: detected equality via solver [2018-04-12 14:44:11,857 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 17 treesize of output 9 [2018-04-12 14:44:11,857 INFO L267 ElimStorePlain]: Start of recursive call 113: End of recursive call: and 1 xjuncts. [2018-04-12 14:44:11,867 INFO L267 ElimStorePlain]: Start of recursive call 109: 4 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 14:44:12,089 INFO L267 ElimStorePlain]: Start of recursive call 1: 6 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-12 14:44:12,089 INFO L202 ElimStorePlain]: Needed 113 recursive calls to eliminate 8 variables, input treesize:412, output treesize:7 [2018-04-12 14:44:12,177 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 4 proven. 89 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 14:44:12,194 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-12 14:44:12,194 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [39, 35] total 70 [2018-04-12 14:44:12,195 INFO L442 AbstractCegarLoop]: Interpolant automaton has 70 states [2018-04-12 14:44:12,195 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 70 interpolants. [2018-04-12 14:44:12,195 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=233, Invalid=4594, Unknown=3, NotChecked=0, Total=4830 [2018-04-12 14:44:12,195 INFO L87 Difference]: Start difference. First operand 255 states and 278 transitions. Second operand 70 states. [2018-04-12 14:44:13,746 WARN L151 SmtUtils]: Spent 100ms on a formula simplification. DAG size of input: 154 DAG size of output 89 [2018-04-12 14:44:15,230 WARN L151 SmtUtils]: Spent 177ms on a formula simplification. DAG size of input: 175 DAG size of output 107 [2018-04-12 14:44:50,601 WARN L151 SmtUtils]: Spent 784ms on a formula simplification. DAG size of input: 179 DAG size of output 97 [2018-04-12 14:46:07,023 WARN L151 SmtUtils]: Spent 6405ms on a formula simplification. DAG size of input: 177 DAG size of output 147 [2018-04-12 14:46:26,931 WARN L151 SmtUtils]: Spent 127ms on a formula simplification. DAG size of input: 154 DAG size of output 135 [2018-04-12 14:46:57,048 WARN L151 SmtUtils]: Spent 1797ms on a formula simplification. DAG size of input: 169 DAG size of output 140 [2018-04-12 14:48:07,947 WARN L151 SmtUtils]: Spent 8276ms on a formula simplification. DAG size of input: 173 DAG size of output 148 [2018-04-12 14:48:32,010 WARN L151 SmtUtils]: Spent 505ms on a formula simplification. DAG size of input: 160 DAG size of output 138 [2018-04-12 14:49:14,730 WARN L151 SmtUtils]: Spent 4091ms on a formula simplification. DAG size of input: 186 DAG size of output 145 [2018-04-12 14:50:35,225 WARN L151 SmtUtils]: Spent 460ms on a formula simplification. DAG size of input: 164 DAG size of output 142 [2018-04-12 14:50:51,528 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 14:50:51,528 INFO L93 Difference]: Finished difference Result 309 states and 332 transitions. [2018-04-12 14:50:51,528 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2018-04-12 14:50:51,528 INFO L78 Accepts]: Start accepts. Automaton has 70 states. Word has length 76 [2018-04-12 14:50:51,529 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 14:50:51,529 INFO L225 Difference]: With dead ends: 309 [2018-04-12 14:50:51,529 INFO L226 Difference]: Without dead ends: 309 [2018-04-12 14:50:51,530 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 163 GetRequests, 41 SyntacticMatches, 8 SemanticMatches, 114 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3562 ImplicationChecksByTransitivity, 177.3s TimeCoverageRelationStatistics Valid=994, Invalid=12281, Unknown=65, NotChecked=0, Total=13340 [2018-04-12 14:50:51,530 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 309 states. [2018-04-12 14:50:51,531 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 309 to 261. [2018-04-12 14:50:51,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 261 states. [2018-04-12 14:50:51,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 261 states and 284 transitions. [2018-04-12 14:50:51,532 INFO L78 Accepts]: Start accepts. Automaton has 261 states and 284 transitions. Word has length 76 [2018-04-12 14:50:51,532 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 14:50:51,532 INFO L459 AbstractCegarLoop]: Abstraction has 261 states and 284 transitions. [2018-04-12 14:50:51,532 INFO L460 AbstractCegarLoop]: Interpolant automaton has 70 states. [2018-04-12 14:50:51,532 INFO L276 IsEmpty]: Start isEmpty. Operand 261 states and 284 transitions. [2018-04-12 14:50:51,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2018-04-12 14:50:51,533 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 14:50:51,533 INFO L355 BasicCegarLoop]: trace histogram [4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 14:50:51,533 INFO L408 AbstractCegarLoop]: === Iteration 37 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr0RequiresViolation, mainErr18EnsuresViolationMEMORY_LEAK, mainErr17AssertViolationMEMORY_FREE, mainErr3RequiresViolation, mainErr7RequiresViolation, mainErr11RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr15RequiresViolation, mainErr2RequiresViolation, mainErr4RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr16AssertViolationMEMORY_FREE, mainErr14RequiresViolation]=== [2018-04-12 14:50:51,533 INFO L82 PathProgramCache]: Analyzing trace with hash -574430822, now seen corresponding path program 5 times [2018-04-12 14:50:51,533 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-12 14:50:51,533 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-12 14:50:51,533 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 14:50:51,533 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-04-12 14:50:51,533 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 14:50:51,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 14:50:51,540 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 14:50:52,112 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 54 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-04-12 14:50:52,112 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-04-12 14:50:52,112 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 [2018-04-12 14:50:52,117 INFO L103 rtionOrderModulation]: Keeping assertion order INSIDE_LOOP_FIRST1 [2018-04-12 14:50:52,143 INFO L242 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 4 check-sat command(s) [2018-04-12 14:50:52,143 INFO L243 tOrderPrioritization]: Conjunction of SSA is unsat [2018-04-12 14:50:52,145 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-12 14:50:52,170 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 14:50:52,171 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 14:50:52,171 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 [2018-04-12 14:50:52,171 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-12 14:50:52,176 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 14:50:52,176 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:26, output treesize:24 [2018-04-12 14:50:52,213 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 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 [2018-04-12 14:50:52,214 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 10 treesize of output 9 [2018-04-12 14:50:52,214 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 14:50:52,215 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 14:50:52,226 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 13 treesize of output 10 [2018-04-12 14:50:52,227 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 [2018-04-12 14:50:52,227 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-12 14:50:52,228 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 14:50:52,234 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-12 14:50:52,234 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:47, output treesize:42 [2018-04-12 14:50:52,257 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 [2018-04-12 14:50:52,258 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 [2018-04-12 14:50:52,258 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 14:50:52,259 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 14:50:52,263 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-12 14:50:52,263 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:54, output treesize:39 [2018-04-12 14:50:52,303 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 14:50:52,304 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 14:50:52,304 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 14:50:52,304 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 22 treesize of output 25 [2018-04-12 14:50:52,304 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-12 14:50:52,308 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 14:50:52,309 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:44, output treesize:37 [2018-04-12 14:50:52,348 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 14:50:52,349 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 43 treesize of output 44 [2018-04-12 14:50:52,351 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 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 [2018-04-12 14:50:52,351 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 14:50:52,355 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 14:50:52,360 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-12 14:50:52,360 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:50, output treesize:49 [2018-04-12 14:50:52,421 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 78 treesize of output 59 [2018-04-12 14:50:52,422 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 20 treesize of output 19 [2018-04-12 14:50:52,423 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 14:50:52,427 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 14:50:52,430 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. [2018-04-12 14:50:52,430 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:78, output treesize:64 [2018-04-12 14:50:52,806 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 42 treesize of output 36 [2018-04-12 14:50:52,811 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 36 treesize of output 33 [2018-04-12 14:50:52,812 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-04-12 14:50:52,821 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-04-12 14:50:52,837 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 5 dim-0 vars, and 2 xjuncts. [2018-04-12 14:50:52,837 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:120, output treesize:207 [2018-04-12 14:50:53,049 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 14:50:53,054 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 2 case distinctions, treesize of input 24 treesize of output 39 [2018-04-12 14:50:53,054 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2018-04-12 14:50:53,070 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-1 vars, End of recursive call: 6 dim-0 vars, and 2 xjuncts. [2018-04-12 14:50:53,071 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 4 variables, input treesize:103, output treesize:183 [2018-04-12 14:50:53,206 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 14:50:53,207 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 14:50:53,207 INFO L682 Elim1Store]: detected equality via solver [2018-04-12 14:50:53,209 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 14:50:53,210 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 4 new quantified variables, introduced 0 case distinctions, treesize of input 101 treesize of output 85 [2018-04-12 14:50:53,212 INFO L682 Elim1Store]: detected equality via solver [2018-04-12 14:50:53,215 INFO L477 Elim1Store]: Elim1 applied some 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 2 new quantified variables, introduced 2 case distinctions, treesize of input 27 treesize of output 28 [2018-04-12 14:50:53,216 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-04-12 14:50:53,229 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 [2018-04-12 14:50:53,229 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-04-12 14:50:53,238 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 29 treesize of output 24 [2018-04-12 14:50:53,239 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 2 xjuncts. [2018-04-12 14:50:53,247 INFO L267 ElimStorePlain]: Start of recursive call 2: 3 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-12 14:50:53,272 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 14:50:53,272 INFO L682 Elim1Store]: detected equality via solver [2018-04-12 14:50:53,273 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 14:50:53,274 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 14:50:53,275 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 99 treesize of output 83 [2018-04-12 14:50:53,277 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 [2018-04-12 14:50:53,277 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-04-12 14:50:53,288 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 [2018-04-12 14:50:53,288 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2018-04-12 14:50:53,297 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 27 treesize of output 18 [2018-04-12 14:50:53,297 INFO L267 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2018-04-12 14:50:53,302 INFO L267 ElimStorePlain]: Start of recursive call 6: 3 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 14:50:53,321 INFO L267 ElimStorePlain]: Start of recursive call 1: 6 dim-0 vars, 2 dim-2 vars, End of recursive call: 2 dim-0 vars, and 3 xjuncts. [2018-04-12 14:50:53,324 INFO L202 ElimStorePlain]: Needed 9 recursive calls to eliminate 8 variables, input treesize:201, output treesize:66 [2018-04-12 14:50:53,473 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 14:50:53,474 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 14:50:53,474 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 17 treesize of output 36 [2018-04-12 14:50:53,475 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-12 14:50:53,483 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. [2018-04-12 14:50:53,483 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:25, output treesize:20 [2018-04-12 14:50:53,591 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 57 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 14:50:53,610 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-12 14:50:53,610 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [31, 34] total 64 [2018-04-12 14:50:53,610 INFO L442 AbstractCegarLoop]: Interpolant automaton has 65 states [2018-04-12 14:50:53,610 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 65 interpolants. [2018-04-12 14:50:53,610 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=233, Invalid=3927, Unknown=0, NotChecked=0, Total=4160 [2018-04-12 14:50:53,610 INFO L87 Difference]: Start difference. First operand 261 states and 284 transitions. Second operand 65 states. [2018-04-12 14:50:56,281 WARN L151 SmtUtils]: Spent 138ms on a formula simplification. DAG size of input: 134 DAG size of output 120 [2018-04-12 14:50:56,586 WARN L151 SmtUtils]: Spent 174ms on a formula simplification. DAG size of input: 158 DAG size of output 131 [2018-04-12 14:50:57,935 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 14:50:57,935 INFO L93 Difference]: Finished difference Result 282 states and 305 transitions. [2018-04-12 14:50:57,935 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2018-04-12 14:50:57,935 INFO L78 Accepts]: Start accepts. Automaton has 65 states. Word has length 78 [2018-04-12 14:50:57,935 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 14:50:57,936 INFO L225 Difference]: With dead ends: 282 [2018-04-12 14:50:57,936 INFO L226 Difference]: Without dead ends: 282 [2018-04-12 14:50:57,936 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 156 GetRequests, 48 SyntacticMatches, 2 SemanticMatches, 106 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3566 ImplicationChecksByTransitivity, 4.4s TimeCoverageRelationStatistics Valid=962, Invalid=10594, Unknown=0, NotChecked=0, Total=11556 [2018-04-12 14:50:57,936 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 282 states. [2018-04-12 14:50:57,939 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 282 to 262. [2018-04-12 14:50:57,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 262 states. [2018-04-12 14:50:57,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 262 states to 262 states and 286 transitions. [2018-04-12 14:50:57,939 INFO L78 Accepts]: Start accepts. Automaton has 262 states and 286 transitions. Word has length 78 [2018-04-12 14:50:57,940 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 14:50:57,940 INFO L459 AbstractCegarLoop]: Abstraction has 262 states and 286 transitions. [2018-04-12 14:50:57,940 INFO L460 AbstractCegarLoop]: Interpolant automaton has 65 states. [2018-04-12 14:50:57,940 INFO L276 IsEmpty]: Start isEmpty. Operand 262 states and 286 transitions. [2018-04-12 14:50:57,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2018-04-12 14:50:57,940 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 14:50:57,941 INFO L355 BasicCegarLoop]: trace histogram [4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 14:50:57,941 INFO L408 AbstractCegarLoop]: === Iteration 38 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr0RequiresViolation, mainErr18EnsuresViolationMEMORY_LEAK, mainErr17AssertViolationMEMORY_FREE, mainErr3RequiresViolation, mainErr7RequiresViolation, mainErr11RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr15RequiresViolation, mainErr2RequiresViolation, mainErr4RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr16AssertViolationMEMORY_FREE, mainErr14RequiresViolation]=== [2018-04-12 14:50:57,941 INFO L82 PathProgramCache]: Analyzing trace with hash -574430821, now seen corresponding path program 2 times [2018-04-12 14:50:57,941 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-12 14:50:57,941 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-12 14:50:57,942 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 14:50:57,942 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-04-12 14:50:57,942 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 14:50:57,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 14:50:57,955 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 14:50:58,480 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 54 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-04-12 14:50:58,480 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-04-12 14:50:58,480 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 [2018-04-12 14:50:58,485 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST1 [2018-04-12 14:50:58,509 INFO L242 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2018-04-12 14:50:58,510 INFO L243 tOrderPrioritization]: Conjunction of SSA is unsat [2018-04-12 14:50:58,512 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-12 14:50:58,770 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 81 treesize of output 76 [2018-04-12 14:50:58,771 INFO L682 Elim1Store]: detected equality via solver [2018-04-12 14:50:58,772 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 69 treesize of output 65 [2018-04-12 14:50:58,772 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 14:50:58,783 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 46 [2018-04-12 14:50:58,783 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-12 14:50:58,794 INFO L682 Elim1Store]: detected equality via solver [2018-04-12 14:50:58,798 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 1 new quantified variables, introduced 2 case distinctions, treesize of input 63 treesize of output 67 [2018-04-12 14:50:58,799 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-04-12 14:50:58,813 INFO L267 ElimStorePlain]: Start of recursive call 2: 3 dim-1 vars, End of recursive call: 2 dim-0 vars, and 3 xjuncts. [2018-04-12 14:50:58,836 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 56 treesize of output 50 [2018-04-12 14:50:58,837 INFO L682 Elim1Store]: detected equality via solver [2018-04-12 14:50:58,837 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 46 treesize of output 36 [2018-04-12 14:50:58,838 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-04-12 14:50:58,849 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 27 treesize of output 20 [2018-04-12 14:50:58,850 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2018-04-12 14:50:58,860 INFO L682 Elim1Store]: detected equality via solver [2018-04-12 14:50:58,864 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 0 new quantified variables, introduced 2 case distinctions, treesize of input 42 treesize of output 26 [2018-04-12 14:50:58,865 INFO L267 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 2 xjuncts. [2018-04-12 14:50:58,879 INFO L267 ElimStorePlain]: Start of recursive call 6: 3 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-04-12 14:50:58,883 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 66 treesize of output 58 [2018-04-12 14:50:58,884 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 14:50:58,885 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 14:50:58,885 INFO L682 Elim1Store]: detected equality via solver [2018-04-12 14:50:58,886 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 0 case distinctions, treesize of input 50 treesize of output 22 [2018-04-12 14:50:58,887 INFO L267 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2018-04-12 14:50:58,898 INFO L267 ElimStorePlain]: Start of recursive call 10: 3 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 14:50:58,900 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 60 treesize of output 46 [2018-04-12 14:50:58,901 INFO L682 Elim1Store]: detected equality via solver [2018-04-12 14:50:58,901 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 32 treesize of output 22 [2018-04-12 14:50:58,901 INFO L267 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2018-04-12 14:50:58,907 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 [2018-04-12 14:50:58,907 INFO L267 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2018-04-12 14:50:58,910 INFO L267 ElimStorePlain]: Start of recursive call 12: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 14:50:58,924 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: and 3 xjuncts. [2018-04-12 14:50:58,925 INFO L202 ElimStorePlain]: Needed 14 recursive calls to eliminate 3 variables, input treesize:95, output treesize:53 [2018-04-12 14:50:59,036 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 38 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-04-12 14:50:59,054 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-12 14:50:59,054 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [28, 18] total 42 [2018-04-12 14:50:59,054 INFO L442 AbstractCegarLoop]: Interpolant automaton has 43 states [2018-04-12 14:50:59,054 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 43 interpolants. [2018-04-12 14:50:59,054 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=131, Invalid=1675, Unknown=0, NotChecked=0, Total=1806 [2018-04-12 14:50:59,055 INFO L87 Difference]: Start difference. First operand 262 states and 286 transitions. Second operand 43 states. [2018-04-12 14:51:02,126 WARN L151 SmtUtils]: Spent 168ms on a formula simplification. DAG size of input: 86 DAG size of output 78 [2018-04-12 14:51:03,289 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 14:51:03,289 INFO L93 Difference]: Finished difference Result 304 states and 324 transitions. [2018-04-12 14:51:03,289 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 64 states. [2018-04-12 14:51:03,289 INFO L78 Accepts]: Start accepts. Automaton has 43 states. Word has length 78 [2018-04-12 14:51:03,289 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 14:51:03,290 INFO L225 Difference]: With dead ends: 304 [2018-04-12 14:51:03,290 INFO L226 Difference]: Without dead ends: 304 [2018-04-12 14:51:03,290 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 173 GetRequests, 66 SyntacticMatches, 5 SemanticMatches, 102 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2676 ImplicationChecksByTransitivity, 3.9s TimeCoverageRelationStatistics Valid=1148, Invalid=9564, Unknown=0, NotChecked=0, Total=10712 [2018-04-12 14:51:03,290 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 304 states. [2018-04-12 14:51:03,292 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 304 to 270. [2018-04-12 14:51:03,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 270 states. [2018-04-12 14:51:03,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 270 states to 270 states and 295 transitions. [2018-04-12 14:51:03,293 INFO L78 Accepts]: Start accepts. Automaton has 270 states and 295 transitions. Word has length 78 [2018-04-12 14:51:03,293 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 14:51:03,293 INFO L459 AbstractCegarLoop]: Abstraction has 270 states and 295 transitions. [2018-04-12 14:51:03,293 INFO L460 AbstractCegarLoop]: Interpolant automaton has 43 states. [2018-04-12 14:51:03,293 INFO L276 IsEmpty]: Start isEmpty. Operand 270 states and 295 transitions. [2018-04-12 14:51:03,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2018-04-12 14:51:03,293 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 14:51:03,293 INFO L355 BasicCegarLoop]: trace histogram [6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 14:51:03,293 INFO L408 AbstractCegarLoop]: === Iteration 39 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr0RequiresViolation, mainErr18EnsuresViolationMEMORY_LEAK, mainErr17AssertViolationMEMORY_FREE, mainErr3RequiresViolation, mainErr7RequiresViolation, mainErr11RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr15RequiresViolation, mainErr2RequiresViolation, mainErr4RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr16AssertViolationMEMORY_FREE, mainErr14RequiresViolation]=== [2018-04-12 14:51:03,294 INFO L82 PathProgramCache]: Analyzing trace with hash 255013757, now seen corresponding path program 8 times [2018-04-12 14:51:03,294 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-12 14:51:03,294 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-12 14:51:03,294 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 14:51:03,294 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-04-12 14:51:03,294 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 14:51:03,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 14:51:03,306 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 14:51:04,771 INFO L134 CoverageAnalysis]: Checked inductivity of 133 backedges. 0 proven. 133 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 14:51:04,771 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-04-12 14:51:04,771 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 [2018-04-12 14:51:04,776 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST1 [2018-04-12 14:51:04,805 INFO L242 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2018-04-12 14:51:04,806 INFO L243 tOrderPrioritization]: Conjunction of SSA is unsat [2018-04-12 14:51:04,809 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-12 14:51:04,810 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 [2018-04-12 14:51:04,810 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-12 14:51:04,812 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 14:51:04,812 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2018-04-12 14:51:04,859 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 6 treesize of output 5 [2018-04-12 14:51:04,860 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-12 14:51:04,868 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 14:51:04,869 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 14:51:04,869 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 [2018-04-12 14:51:04,869 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 14:51:04,877 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 14:51:04,877 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:38, output treesize:35 [2018-04-12 14:51:04,953 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 13 treesize of output 10 [2018-04-12 14:51:04,955 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 10 treesize of output 9 [2018-04-12 14:51:04,955 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 14:51:04,957 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 14:51:04,968 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 13 treesize of output 10 [2018-04-12 14:51:04,969 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 [2018-04-12 14:51:04,969 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-12 14:51:04,970 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 14:51:04,980 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-12 14:51:04,980 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:58, output treesize:59 [2018-04-12 14:51:05,037 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 14:51:05,038 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 14:51:05,039 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 14:51:05,039 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 28 treesize of output 58 [2018-04-12 14:51:05,039 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-12 14:51:05,052 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 18 treesize of output 27 [2018-04-12 14:51:05,052 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 14:51:05,063 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 14:51:05,063 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:79, output treesize:86 [2018-04-12 14:51:05,161 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 14:51:05,163 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 65 treesize of output 66 [2018-04-12 14:51:05,165 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 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 [2018-04-12 14:51:05,165 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 14:51:05,172 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 14:51:05,193 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 14:51:05,195 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 23 treesize of output 30 [2018-04-12 14:51:05,196 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 [2018-04-12 14:51:05,196 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-12 14:51:05,200 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 14:51:05,216 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-12 14:51:05,217 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:129, output treesize:116 [2018-04-12 14:51:05,405 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 14:51:05,405 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 14:51:05,406 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 14:51:05,406 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 14:51:05,407 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 39 treesize of output 79 [2018-04-12 14:51:05,407 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-12 14:51:05,425 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 48 treesize of output 95 [2018-04-12 14:51:05,425 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 14:51:05,442 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. [2018-04-12 14:51:05,442 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:169, output treesize:160 [2018-04-12 14:51:05,559 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 14:51:05,562 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 23 treesize of output 36 [2018-04-12 14:51:05,563 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 22 treesize of output 21 [2018-04-12 14:51:05,564 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 14:51:05,567 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 14:51:05,590 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 14:51:05,591 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 14:51:05,596 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 165 treesize of output 149 [2018-04-12 14:51:05,597 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 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 10 treesize of output 9 [2018-04-12 14:51:05,598 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-12 14:51:05,612 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 14:51:05,632 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. [2018-04-12 14:51:05,632 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 5 variables, input treesize:186, output treesize:184 [2018-04-12 14:51:05,833 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 144 [2018-04-12 14:51:05,834 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-12 14:51:05,853 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-1 vars, End of recursive call: 3 dim-0 vars, and 1 xjuncts. [2018-04-12 14:51:05,854 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 4 variables, input treesize:247, output treesize:236 [2018-04-12 14:51:06,000 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 14:51:06,001 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 14:51:06,002 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 14:51:06,009 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 218 treesize of output 173 [2018-04-12 14:51:06,011 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 [2018-04-12 14:51:06,011 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 14:51:06,026 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 14:51:06,049 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 14:51:06,051 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 23 treesize of output 42 [2018-04-12 14:51:06,052 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 28 treesize of output 27 [2018-04-12 14:51:06,052 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-12 14:51:06,056 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 14:51:06,078 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. [2018-04-12 14:51:06,078 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 5 variables, input treesize:254, output treesize:255 [2018-04-12 14:51:06,300 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 [2018-04-12 14:51:06,302 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 8 treesize of output 31 [2018-04-12 14:51:06,302 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 14:51:06,303 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 14:51:06,331 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. [2018-04-12 14:51:06,331 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:269, output treesize:289 [2018-04-12 14:51:06,413 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 58 treesize of output 141 [2018-04-12 14:51:06,413 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-12 14:51:06,436 INFO L267 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 1 dim-1 vars, End of recursive call: 4 dim-0 vars, and 1 xjuncts. [2018-04-12 14:51:06,437 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 5 variables, input treesize:298, output treesize:297 [2018-04-12 14:51:06,634 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 6 case distinctions, treesize of input 108 treesize of output 149 [2018-04-12 14:51:06,636 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 153 treesize of output 152 [2018-04-12 14:51:06,637 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 14:51:06,684 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 14:51:06,746 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 6 new quantified variables, introduced 9 case distinctions, treesize of input 282 treesize of output 206 [2018-04-12 14:51:06,746 WARN L130 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2018-04-12 14:51:06,760 WARN L307 Elim1Store]: Array PQE input equivalent to false [2018-04-12 14:51:06,760 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-12 14:51:07,371 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 279 treesize of output 278 [2018-04-12 14:51:07,371 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-04-12 14:51:07,657 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 1 new quantified variables, introduced 2 case distinctions, treesize of input 200 treesize of output 172 [2018-04-12 14:51:07,657 INFO L267 ElimStorePlain]: Start of recursive call 7: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-04-12 14:51:07,923 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 1 new quantified variables, introduced 2 case distinctions, treesize of input 196 treesize of output 184 [2018-04-12 14:51:07,924 INFO L267 ElimStorePlain]: Start of recursive call 8: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-04-12 14:51:08,716 INFO L682 Elim1Store]: detected equality via solver [2018-04-12 14:51:08,717 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 252 treesize of output 198 [2018-04-12 14:51:08,718 INFO L267 ElimStorePlain]: Start of recursive call 9: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-12 14:51:09,237 INFO L267 ElimStorePlain]: Start of recursive call 4: 6 dim-0 vars, 8 dim-1 vars, End of recursive call: 7 dim-0 vars, and 9 xjuncts. [2018-04-12 14:51:09,500 INFO L267 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 2 dim-2 vars, End of recursive call: 37 dim-0 vars, and 9 xjuncts. [2018-04-12 14:51:09,501 INFO L202 ElimStorePlain]: Needed 9 recursive calls to eliminate 6 variables, input treesize:315, output treesize:2108 [2018-04-12 14:51:09,920 WARN L151 SmtUtils]: Spent 124ms on a formula simplification. DAG size of input: 385 DAG size of output 167 [2018-04-12 14:51:10,494 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 2 new quantified variables, introduced 3 case distinctions, treesize of input 205 treesize of output 229 [2018-04-12 14:51:10,497 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 212 treesize of output 235 [2018-04-12 14:51:10,497 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 14:51:10,583 INFO L682 Elim1Store]: detected equality via solver [2018-04-12 14:51:10,584 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 203 treesize of output 224 [2018-04-12 14:51:10,584 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-04-12 14:51:10,643 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-12 14:51:10,836 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 2 new quantified variables, introduced 3 case distinctions, treesize of input 234 treesize of output 246 [2018-04-12 14:51:10,838 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 235 treesize of output 258 [2018-04-12 14:51:10,838 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-04-12 14:51:10,922 INFO L682 Elim1Store]: detected equality via solver [2018-04-12 14:51:10,924 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 232 treesize of output 253 [2018-04-12 14:51:10,924 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-04-12 14:51:10,993 INFO L267 ElimStorePlain]: Start of recursive call 5: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-12 14:51:11,227 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 231 treesize of output 267 [2018-04-12 14:51:11,231 INFO L682 Elim1Store]: detected equality via solver [2018-04-12 14:51:11,232 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 229 treesize of output 250 [2018-04-12 14:51:11,232 INFO L267 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2018-04-12 14:51:11,328 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 228 treesize of output 251 [2018-04-12 14:51:11,328 INFO L267 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2018-04-12 14:51:11,397 INFO L267 ElimStorePlain]: Start of recursive call 8: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-12 14:51:11,654 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 339 treesize of output 351 [2018-04-12 14:51:11,657 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 340 treesize of output 369 [2018-04-12 14:51:11,657 INFO L267 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2018-04-12 14:51:11,756 INFO L682 Elim1Store]: detected equality via solver [2018-04-12 14:51:11,757 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 337 treesize of output 364 [2018-04-12 14:51:11,758 INFO L267 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2018-04-12 14:51:11,832 INFO L267 ElimStorePlain]: Start of recursive call 11: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-12 14:51:12,131 INFO L267 ElimStorePlain]: Start of recursive call 1: 18 dim-0 vars, 4 dim-2 vars, End of recursive call: 27 dim-0 vars, and 8 xjuncts. [2018-04-12 14:51:12,132 INFO L202 ElimStorePlain]: Needed 13 recursive calls to eliminate 22 variables, input treesize:1010, output treesize:1834 [2018-04-12 14:51:12,655 WARN L148 SmtUtils]: Spent 228ms on a formula simplification that was a NOOP. DAG size: 323 [2018-04-12 14:51:12,675 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 264 treesize of output 258 [2018-04-12 14:51:12,688 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 40 treesize of output 39 [2018-04-12 14:51:12,688 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 14:51:12,714 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 14:51:20,676 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 3 new quantified variables, introduced 6 case distinctions, treesize of input 270 treesize of output 257 [2018-04-12 14:51:20,680 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 287 treesize of output 286 [2018-04-12 14:51:20,680 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-12 14:51:20,832 INFO L267 ElimStorePlain]: Start of recursive call 4: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 14:51:27,879 INFO L682 Elim1Store]: detected equality via solver [2018-04-12 14:51:27,881 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 254 treesize of output 236 [2018-04-12 14:51:27,882 INFO L682 Elim1Store]: detected equality via solver [2018-04-12 14:51:27,883 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 137 treesize of output 70 [2018-04-12 14:51:27,883 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-04-12 14:51:27,899 INFO L267 ElimStorePlain]: Start of recursive call 6: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 14:51:32,755 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 9 case distinctions, treesize of input 267 treesize of output 309 [2018-04-12 14:51:32,761 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 320 treesize of output 319 [2018-04-12 14:51:32,761 INFO L267 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2018-04-12 14:51:33,050 INFO L267 ElimStorePlain]: Start of recursive call 8: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 14:51:36,860 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 4 new quantified variables, introduced 6 case distinctions, treesize of input 266 treesize of output 224 [2018-04-12 14:51:36,872 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 2 new quantified variables, introduced 2 case distinctions, treesize of input 204 treesize of output 185 [2018-04-12 14:51:36,873 INFO L267 ElimStorePlain]: Start of recursive call 11: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-04-12 14:51:37,436 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 263 treesize of output 262 [2018-04-12 14:51:37,436 INFO L267 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2018-04-12 14:51:37,629 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 2 new quantified variables, introduced 2 case distinctions, treesize of input 240 treesize of output 205 [2018-04-12 14:51:37,631 INFO L267 ElimStorePlain]: Start of recursive call 13: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-04-12 14:51:37,793 INFO L267 ElimStorePlain]: Start of recursive call 14: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-12 14:51:37,947 INFO L267 ElimStorePlain]: Start of recursive call 10: 5 dim-1 vars, End of recursive call: 3 dim-0 vars, and 5 xjuncts. [2018-04-12 14:51:42,009 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 4 new quantified variables, introduced 6 case distinctions, treesize of input 263 treesize of output 229 [2018-04-12 14:51:42,015 WARN L307 Elim1Store]: Array PQE input equivalent to false [2018-04-12 14:51:42,015 INFO L267 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2018-04-12 14:51:42,286 INFO L267 ElimStorePlain]: Start of recursive call 17: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-12 14:51:42,499 INFO L682 Elim1Store]: detected equality via solver [2018-04-12 14:51:42,500 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 230 treesize of output 188 [2018-04-12 14:51:42,501 INFO L267 ElimStorePlain]: Start of recursive call 18: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-12 14:51:42,699 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 260 treesize of output 259 [2018-04-12 14:51:42,699 INFO L267 ElimStorePlain]: Start of recursive call 19: End of recursive call: and 1 xjuncts. [2018-04-12 14:51:42,837 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 2 new quantified variables, introduced 2 case distinctions, treesize of input 205 treesize of output 190 [2018-04-12 14:51:42,838 INFO L267 ElimStorePlain]: Start of recursive call 20: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-04-12 14:51:42,956 INFO L267 ElimStorePlain]: Start of recursive call 15: 5 dim-1 vars, End of recursive call: 3 dim-0 vars, and 4 xjuncts. [2018-04-12 14:51:46,691 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 6 case distinctions, treesize of input 241 treesize of output 238 [2018-04-12 14:51:46,696 WARN L307 Elim1Store]: Array PQE input equivalent to false [2018-04-12 14:51:46,696 INFO L267 ElimStorePlain]: Start of recursive call 22: End of recursive call: and 1 xjuncts. [2018-04-12 14:51:47,509 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 238 treesize of output 237 [2018-04-12 14:51:47,509 INFO L267 ElimStorePlain]: Start of recursive call 23: End of recursive call: and 1 xjuncts. [2018-04-12 14:51:47,792 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 2 new quantified variables, introduced 2 case distinctions, treesize of input 223 treesize of output 204 [2018-04-12 14:51:47,793 INFO L267 ElimStorePlain]: Start of recursive call 24: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-04-12 14:51:48,148 INFO L682 Elim1Store]: detected equality via solver [2018-04-12 14:51:48,149 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 225 treesize of output 199 [2018-04-12 14:51:48,150 INFO L267 ElimStorePlain]: Start of recursive call 25: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-12 14:51:48,388 INFO L267 ElimStorePlain]: Start of recursive call 21: 4 dim-1 vars, End of recursive call: 2 dim-0 vars, and 4 xjuncts. [2018-04-12 14:52:04,782 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 6 new quantified variables, introduced 9 case distinctions, treesize of input 381 treesize of output 277 [2018-04-12 14:52:04,782 WARN L130 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2018-04-12 14:52:04,799 INFO L267 ElimStorePlain]: Start of recursive call 27: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. Received shutdown request... [2018-04-12 14:54:01,471 INFO L175 TraceCheckSpWp]: Timeout while computing interpolants [2018-04-12 14:54:01,472 WARN L519 AbstractCegarLoop]: Verification canceled [2018-04-12 14:54:01,474 WARN L197 ceAbstractionStarter]: Timeout [2018-04-12 14:54:01,474 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.04 02:54:01 BoogieIcfgContainer [2018-04-12 14:54:01,475 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-04-12 14:54:01,475 INFO L168 Benchmark]: Toolchain (without parser) took 844069.45 ms. Allocated memory was 405.3 MB in the beginning and 553.6 MB in the end (delta: 148.4 MB). Free memory was 342.3 MB in the beginning and 367.5 MB in the end (delta: -25.2 MB). Peak memory consumption was 140.0 MB. Max. memory is 5.3 GB. [2018-04-12 14:54:01,476 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 405.3 MB. Free memory is still 368.3 MB. There was no memory consumed. Max. memory is 5.3 GB. [2018-04-12 14:54:01,476 INFO L168 Benchmark]: CACSL2BoogieTranslator took 286.67 ms. Allocated memory is still 405.3 MB. Free memory was 342.3 MB in the beginning and 317.1 MB in the end (delta: 25.2 MB). Peak memory consumption was 25.2 MB. Max. memory is 5.3 GB. [2018-04-12 14:54:01,477 INFO L168 Benchmark]: Boogie Preprocessor took 40.26 ms. Allocated memory is still 405.3 MB. Free memory was 317.1 MB in the beginning and 314.4 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 5.3 GB. [2018-04-12 14:54:01,477 INFO L168 Benchmark]: RCFGBuilder took 362.78 ms. Allocated memory was 405.3 MB in the beginning and 615.5 MB in the end (delta: 210.2 MB). Free memory was 314.4 MB in the beginning and 548.9 MB in the end (delta: -234.5 MB). Peak memory consumption was 23.3 MB. Max. memory is 5.3 GB. [2018-04-12 14:54:01,477 INFO L168 Benchmark]: TraceAbstraction took 843377.09 ms. Allocated memory was 615.5 MB in the beginning and 553.6 MB in the end (delta: -61.9 MB). Free memory was 548.9 MB in the beginning and 367.5 MB in the end (delta: 181.5 MB). Peak memory consumption was 136.4 MB. Max. memory is 5.3 GB. [2018-04-12 14:54:01,479 INFO L344 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12 ms. Allocated memory is still 405.3 MB. Free memory is still 368.3 MB. There was no memory consumed. Max. memory is 5.3 GB. * CACSL2BoogieTranslator took 286.67 ms. Allocated memory is still 405.3 MB. Free memory was 342.3 MB in the beginning and 317.1 MB in the end (delta: 25.2 MB). Peak memory consumption was 25.2 MB. Max. memory is 5.3 GB. * Boogie Preprocessor took 40.26 ms. Allocated memory is still 405.3 MB. Free memory was 317.1 MB in the beginning and 314.4 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 5.3 GB. * RCFGBuilder took 362.78 ms. Allocated memory was 405.3 MB in the beginning and 615.5 MB in the end (delta: 210.2 MB). Free memory was 314.4 MB in the beginning and 548.9 MB in the end (delta: -234.5 MB). Peak memory consumption was 23.3 MB. Max. memory is 5.3 GB. * TraceAbstraction took 843377.09 ms. Allocated memory was 615.5 MB in the beginning and 553.6 MB in the end (delta: -61.9 MB). Free memory was 548.9 MB in the beginning and 367.5 MB in the end (delta: 181.5 MB). Peak memory consumption was 136.4 MB. Max. memory is 5.3 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 638]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 638). Cancelled while BasicCegarLoop was analyzing trace of length 81 with TraceHistMax 6, while TraceCheckSpWp was constructing forward predicates, while PartialQuantifierElimination was eliminating quantifiers from formula with 0 quantifier alternations, while SimplifyDDAWithTimeout was simplifying term of DAG size 709. - TimeoutResultAtElement [Line: 649]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 649). Cancelled while BasicCegarLoop was analyzing trace of length 81 with TraceHistMax 6, while TraceCheckSpWp was constructing forward predicates, while PartialQuantifierElimination was eliminating quantifiers from formula with 0 quantifier alternations, while SimplifyDDAWithTimeout was simplifying term of DAG size 709. - TimeoutResultAtElement [Line: 634]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 634). Cancelled while BasicCegarLoop was analyzing trace of length 81 with TraceHistMax 6, while TraceCheckSpWp was constructing forward predicates, while PartialQuantifierElimination was eliminating quantifiers from formula with 0 quantifier alternations, while SimplifyDDAWithTimeout was simplifying term of DAG size 709. - TimeoutResultAtElement [Line: 642]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 642). Cancelled while BasicCegarLoop was analyzing trace of length 81 with TraceHistMax 6, while TraceCheckSpWp was constructing forward predicates, while PartialQuantifierElimination was eliminating quantifiers from formula with 0 quantifier alternations, while SimplifyDDAWithTimeout was simplifying term of DAG size 709. - TimeoutResultAtElement [Line: 634]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 634). Cancelled while BasicCegarLoop was analyzing trace of length 81 with TraceHistMax 6, while TraceCheckSpWp was constructing forward predicates, while PartialQuantifierElimination was eliminating quantifiers from formula with 0 quantifier alternations, while SimplifyDDAWithTimeout was simplifying term of DAG size 709. - TimeoutResultAtElement [Line: 627]: Timeout (TraceAbstraction) Unable to prove that all allocated memory was freed (line 627). Cancelled while BasicCegarLoop was analyzing trace of length 81 with TraceHistMax 6, while TraceCheckSpWp was constructing forward predicates, while PartialQuantifierElimination was eliminating quantifiers from formula with 0 quantifier alternations, while SimplifyDDAWithTimeout was simplifying term of DAG size 709. - TimeoutResultAtElement [Line: 655]: Timeout (TraceAbstraction) Unable to prove that free always succeeds (line 655). Cancelled while BasicCegarLoop was analyzing trace of length 81 with TraceHistMax 6, while TraceCheckSpWp was constructing forward predicates, while PartialQuantifierElimination was eliminating quantifiers from formula with 0 quantifier alternations, while SimplifyDDAWithTimeout was simplifying term of DAG size 709. - TimeoutResultAtElement [Line: 637]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 637). Cancelled while BasicCegarLoop was analyzing trace of length 81 with TraceHistMax 6, while TraceCheckSpWp was constructing forward predicates, while PartialQuantifierElimination was eliminating quantifiers from formula with 0 quantifier alternations, while SimplifyDDAWithTimeout was simplifying term of DAG size 709. - TimeoutResultAtElement [Line: 641]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 641). Cancelled while BasicCegarLoop was analyzing trace of length 81 with TraceHistMax 6, while TraceCheckSpWp was constructing forward predicates, while PartialQuantifierElimination was eliminating quantifiers from formula with 0 quantifier alternations, while SimplifyDDAWithTimeout was simplifying term of DAG size 709. - TimeoutResultAtElement [Line: 646]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 646). Cancelled while BasicCegarLoop was analyzing trace of length 81 with TraceHistMax 6, while TraceCheckSpWp was constructing forward predicates, while PartialQuantifierElimination was eliminating quantifiers from formula with 0 quantifier alternations, while SimplifyDDAWithTimeout was simplifying term of DAG size 709. - TimeoutResultAtElement [Line: 642]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 642). Cancelled while BasicCegarLoop was analyzing trace of length 81 with TraceHistMax 6, while TraceCheckSpWp was constructing forward predicates, while PartialQuantifierElimination was eliminating quantifiers from formula with 0 quantifier alternations, while SimplifyDDAWithTimeout was simplifying term of DAG size 709. - TimeoutResultAtElement [Line: 646]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 646). Cancelled while BasicCegarLoop was analyzing trace of length 81 with TraceHistMax 6, while TraceCheckSpWp was constructing forward predicates, while PartialQuantifierElimination was eliminating quantifiers from formula with 0 quantifier alternations, while SimplifyDDAWithTimeout was simplifying term of DAG size 709. - TimeoutResultAtElement [Line: 654]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 654). Cancelled while BasicCegarLoop was analyzing trace of length 81 with TraceHistMax 6, while TraceCheckSpWp was constructing forward predicates, while PartialQuantifierElimination was eliminating quantifiers from formula with 0 quantifier alternations, while SimplifyDDAWithTimeout was simplifying term of DAG size 709. - TimeoutResultAtElement [Line: 637]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 637). Cancelled while BasicCegarLoop was analyzing trace of length 81 with TraceHistMax 6, while TraceCheckSpWp was constructing forward predicates, while PartialQuantifierElimination was eliminating quantifiers from formula with 0 quantifier alternations, while SimplifyDDAWithTimeout was simplifying term of DAG size 709. - TimeoutResultAtElement [Line: 638]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 638). Cancelled while BasicCegarLoop was analyzing trace of length 81 with TraceHistMax 6, while TraceCheckSpWp was constructing forward predicates, while PartialQuantifierElimination was eliminating quantifiers from formula with 0 quantifier alternations, while SimplifyDDAWithTimeout was simplifying term of DAG size 709. - TimeoutResultAtElement [Line: 649]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 649). Cancelled while BasicCegarLoop was analyzing trace of length 81 with TraceHistMax 6, while TraceCheckSpWp was constructing forward predicates, while PartialQuantifierElimination was eliminating quantifiers from formula with 0 quantifier alternations, while SimplifyDDAWithTimeout was simplifying term of DAG size 709. - TimeoutResultAtElement [Line: 641]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 641). Cancelled while BasicCegarLoop was analyzing trace of length 81 with TraceHistMax 6, while TraceCheckSpWp was constructing forward predicates, while PartialQuantifierElimination was eliminating quantifiers from formula with 0 quantifier alternations, while SimplifyDDAWithTimeout was simplifying term of DAG size 709. - TimeoutResultAtElement [Line: 655]: Timeout (TraceAbstraction) Unable to prove that free always succeeds (line 655). Cancelled while BasicCegarLoop was analyzing trace of length 81 with TraceHistMax 6, while TraceCheckSpWp was constructing forward predicates, while PartialQuantifierElimination was eliminating quantifiers from formula with 0 quantifier alternations, while SimplifyDDAWithTimeout was simplifying term of DAG size 709. - TimeoutResultAtElement [Line: 654]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 654). Cancelled while BasicCegarLoop was analyzing trace of length 81 with TraceHistMax 6, while TraceCheckSpWp was constructing forward predicates, while PartialQuantifierElimination was eliminating quantifiers from formula with 0 quantifier alternations, while SimplifyDDAWithTimeout was simplifying term of DAG size 709. - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 69 locations, 19 error locations. TIMEOUT Result, 843.3s OverallTime, 39 OverallIterations, 6 TraceHistogramMax, 583.2s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 1665 SDtfs, 20163 SDslu, 27853 SDs, 0 SdLazy, 54897 SolverSat, 4768 SolverUnsat, 127 SolverUnknown, 0 SolverNotchecked, 276.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 3784 GetRequests, 1210 SyntacticMatches, 127 SemanticMatches, 2447 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 57806 ImplicationChecksByTransitivity, 359.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=270occurred in iteration=38, 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, 38 MinimizatonAttempts, 1646 StatesRemovedByMinimization, 35 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.9s SatisfiabilityAnalysisTime, 79.1s InterpolantComputationTime, 3770 NumberOfCodeBlocks, 3736 NumberOfCodeBlocksAsserted, 103 NumberOfCheckSat, 3700 ConstructedInterpolants, 734 QuantifiedInterpolants, 12523632 SizeOfPredicates, 723 NumberOfNonLiveVariables, 7008 ConjunctsInSsa, 1990 ConjunctsInUnsatCore, 70 InterpolantComputations, 6 PerfectInterpolantSequences, 119/2382 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/simple-ext_1_true-valid-memsafety.i_svcomp-DerefFreeMemtrack-32bit-Automizer_Camel.epf_AutomizerC.xml/Csv-Benchmark-0-2018-04-12_14-54-01-487.csv Written .csv to /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/simple-ext_1_true-valid-memsafety.i_svcomp-DerefFreeMemtrack-32bit-Automizer_Camel.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-0-2018-04-12_14-54-01-487.csv Completed graceful shutdown